WO2015025350A1 - 車載表示制御装置 - Google Patents
車載表示制御装置 Download PDFInfo
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- WO2015025350A1 WO2015025350A1 PCT/JP2013/072081 JP2013072081W WO2015025350A1 WO 2015025350 A1 WO2015025350 A1 WO 2015025350A1 JP 2013072081 W JP2013072081 W JP 2013072081W WO 2015025350 A1 WO2015025350 A1 WO 2015025350A1
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- vehicle
- information
- display
- driver
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/23—Head-up displays [HUD]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/80—Arrangements for controlling instruments
- B60K35/81—Arrangements for controlling instruments for controlling displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/24—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view in front of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3697—Output of additional, non-guidance related information, e.g. low fuel level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/16—Type of output information
- B60K2360/177—Augmented reality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/16—Type of output information
- B60K2360/178—Warnings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/18—Information management
- B60K2360/186—Displaying information according to relevancy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/18—Information management
- B60K2360/191—Highlight information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/70—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by an event-triggered choice to display a specific image among a selection of captured images
Definitions
- the present invention relates to an in-vehicle display control device that provides information to a driver while traveling.
- the in-vehicle display control device provides information to the driver during traveling. Therefore, depending on the display method of the in-vehicle display control device, there are cases where the display of information provided to the driver is not sufficient. As a solution, a method of changing the information providing method according to the driver's attribute and state can be considered.
- a vehicle-mounted display control device a head-up display display (HUD) that displays information on the driver's front part (on the dashboard, windshield, sun visor part, etc.)
- HUD head-up display display
- An in-vehicle display control apparatus that performs display in an area where the driver's line-of-sight movement is small, such as display, has attracted attention.
- HUD is a display that projects a navigation display such as characters by installing a high-reflectance board (combiner) or seat in the front view area of the driver, such as on the windshield, dashboard, or sun visor.
- Instrument panel display means displaying information in the area behind the handle.
- Patent Document 1 discloses a technique for changing the display width of a display image according to the age information of a driver and the wearing / non-wearing of sunglasses for HUD.
- Patent Document 2 discloses a technique for changing the display position of a blind spot image input from each in-vehicle camera based on the driver's visual field range for HUD.
- the in-vehicle display control device provides information to the driver while traveling.
- the information here is a warning about the own vehicle, a warning about the driver, a warning about other vehicles, the speed of the own vehicle, the running state of the own vehicle (other than the speed), the air conditioning state of the own vehicle, and the function setting state of the own vehicle.
- the driver who is driving must pay attention to the front. Therefore, depending on the display control method of the in-vehicle display control device, the driver's information acquisition load becomes high.
- the instrument panel and HUD have a low information acquisition load during driving because the position of the display area is close to the front field of view (windshield), but depending on the area where information is displayed, the driver's state (age, visual assistance)
- the visibility of the display and the amount of information that can be acquired vary depending on the situation of the vehicle and the condition of the vehicle.
- the present invention has been made to solve the above-described problems, and by determining the state of the vehicle and changing the display area or the amount of display information, the driver can obtain more information while driving. It is an object of the present invention to provide an in-vehicle display control device that can be accurately performed.
- An in-vehicle display control device is an in-vehicle display control device that provides information to a driver during traveling, and a vehicle state acquisition unit that acquires information related to a vehicle state as information to be provided to the driver.
- a urgency level determination unit that determines the urgency level of the information acquired by the vehicle state acquisition unit, and a display mode that determines a display mode so that the information is displayed in a display area based on the determination result of the urgency level determination unit And a determination unit.
- the present invention with respect to information displayed by the vehicle, by changing the displayed area or the amount of information according to the state of the vehicle, the visibility of the display is improved, and sufficient information is obtained more accurately during driving. Acquiring can be done.
- FIG. 6 is a configuration diagram of an in-vehicle display control device that further includes a driver state acquisition unit and a driver state determination unit in the in-vehicle display control device described in Embodiments 1 to 5 with reference to FIG. 1;
- FIG. 6 is a configuration diagram of an in-vehicle display control device that further includes a driver state acquisition unit and a driver state determination unit in the in-vehicle display control device described in Embodiments 1 to 5 with reference to FIG. 1;
- FIG. 6 is a configuration diagram of an in-vehicle display control device that further includes a driver state acquisition unit and a driver state determination unit in the in-vehicle display control device described in Embodiments 1 to 5 with reference to FIG. 1;
- FIG. 6 is a configuration diagram of an in-vehicle display control device that further includes a driver state acquisition unit and a driver state determination unit in the in-vehicle display control device described in Embodiments 1 to 5 with reference to FIG. 1;
- FIG. 10 is a configuration diagram of an in-vehicle display control device that further includes a driver state acquisition unit and a driver state determination unit in the in-vehicle display control device described in Embodiments 6 to 9 with reference to FIG. It is a flowchart of operation
- FIG. 1 is a configuration diagram of an in-vehicle display control apparatus 1 according to Embodiment 1 of the present invention.
- the in-vehicle display control apparatus 1 according to the first embodiment includes a vehicle state acquisition unit 10, an information emergency state determination unit 11, a display mode determination unit 12, a display unit 13, and a control parameter 14.
- the vehicle-mounted display control apparatus 1 is set as the structure provided with the display part 13 here, the display part 13 is good also as what is provided in the exterior of the vehicle-mounted display control apparatus 1.
- the vehicle state acquisition unit 10 acquires vehicle state information.
- the vehicle state acquisition unit 10 acquires the legal speed of the current location and the speed of the host vehicle.
- the information emergency state determination unit 11 determines the urgency of information according to the vehicle state acquired by the vehicle state acquisition unit 10.
- the display mode determination unit 12 determines a display area for displaying information or a display information amount in the display area according to the urgency of the information determined by the information emergency state determination unit 11.
- the display unit 13 displays information for the driver.
- the information here refers to a warning about the own vehicle, a warning about the driver, a warning about other vehicles, the speed of the own vehicle, the running state of the own vehicle (other than the speed), the air conditioning state of the own vehicle, and the function setting of the own vehicle.
- State AV device state of own vehicle, radio wave reception information, destination guidance information, route information to the destination, state of each display area, and the like.
- the control parameter 14 stores parameters of an appropriate display area corresponding to the situation of the driver and the vehicle.
- FIG. 2 is a flowchart showing the operation of the in-vehicle display control apparatus 1 according to Embodiment 1 of the present invention.
- the vehicle state acquisition unit 10 acquires the state of the vehicle (step ST102).
- the vehicle state acquisition unit 10 acquires the vehicle state such as the legal speed of the current location by navigation and the speed of the host vehicle as the vehicle state information.
- the information emergency state determination unit 11 receives the legal speed of the current location acquired by the vehicle status acquisition unit 10 in step ST102 and the speed of the host vehicle, and information based on the received legal speed of the current location and the speed of the host vehicle.
- the degree of urgency is determined (step ST103). Specifically, for example, when the speed of the host vehicle exceeds the legal speed, it is determined as “emergency: high”, and when the speed of the host vehicle is within the legal speed, it is determined as “emergency: low”. This is because the urgency is high because it is necessary to provide information more quickly if the vehicle speed is high.
- the speed of the own vehicle used as a reference for determination is not limited to this, and can be set as appropriate.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the information urgency determined by the information emergency state determination unit 11 in step ST103 with the determination rule (step ST104).
- the display information here means own vehicle speed information (external environment warning information) such as a numerical value of the own vehicle speed and a meter / icon, etc.
- Control here refers to the display information. It is the determination of the area and the increase / decrease of the information amount. Specifically, referring to the control parameter 14, an appropriate display area and the amount of information to be displayed are determined.
- the external environmental warning information display amount in the HUD upper region, the HUD lower region, and the dashboard upper region is increased, or the display amount in the instrument panel region and the navigation region is decreased. , Etc. This is because the HUD upper region, the HUD lower region, and the dashboard upper region are close to the driver's eyes and easily obtain information.
- these corresponding display areas and display amounts are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the emergency state. However, only the display area may be changed according to the emergency state, or only the information amount to be displayed is displayed. May be changed.
- the display area refers to five areas: a navigation area, an instrument panel area, a dashboard upper area, a HUD upper area, and a HUD lower area.
- the navigation area refers to navigation screens such as route guidance
- the instrument panel area refers to the instrument panel part provided in front of the driver's seat
- the area above the dashboard refers to the passenger seat immediately above the dashboard to the driver's seat
- the HUD upper region and HUD lower region refer to the upper and lower regions of the HUD, respectively. Note that the dashboard upper region is located in front of the HUD.
- the control unit determines whether or not the vehicle is traveling (step ST105). When it is determined that the vehicle is traveling (in the case of “YES” in step ST105), the control unit repeats the processing from step ST102. On the other hand, if it is determined in step ST105 that the vehicle is not traveling (in the case of “NO” in step ST105), the control unit determines whether the car key is turned off or the brake is turned on. It is determined whether or not (step ST106). If it is determined in step ST106 that the key is turned off or the brake is turned on (in the case of “YES” in step ST106), the processing is terminated.
- step ST106 if it is determined that the key is not turned off and the brake is turned off (in the case of “NO” in step ST106), the process returns to step ST102 and the subsequent processing is repeated. That is, the vehicle state acquisition unit 10 performs detection whenever necessary while the vehicle is traveling, and does not detect when the vehicle is stopped.
- the information displayed by the vehicle is displayed in the display area on the upper part of the HUD that is easily noticed even if the emergency level is determined from the state of the vehicle.
- the urgency level is not high, the urgency level estimated from inside / outside the stipulated speed limit for the speed information of the host vehicle displayed by the vehicle, for example, by displaying in a display area below the HUD where information acquisition is easy
- the display area to be displayed or the amount of information to be displayed it is possible to make it easier to see necessary information in a highly urgent situation such as traveling at a speed exceeding the legal speed.
- Embodiment 2 the vehicle state acquisition part 10 demonstrated embodiment which acquires the legal speed of the present location, and the speed of the own vehicle as information on the state of a vehicle.
- the vehicle state acquisition unit 10 uses the vehicle state information as information on the distance between the destination and the current location or the time taken to reach the destination when the navigation is during route guidance.
- An embodiment for obtaining the above will be described. Since the configuration of the in-vehicle display control device 1 according to Embodiment 2 of the present invention is the same as the configuration of the in-vehicle display control device 1 described in Embodiment 1 with reference to FIG.
- the operation of the in-vehicle display control device 1 according to the second embodiment of the present invention is different from the operation shown in FIG. 2 in the first embodiment only in the contents of steps ST102 to ST104, and only the different contents will be described. To do.
- the vehicle state acquisition unit 10 acquires information on the distance between the destination and the current location, or the time taken to reach the destination, as information on the state of the vehicle. Note that the distance between the destination and the current location or the time taken to reach the destination may be calculated using the technology of the existing navigation device.
- the information emergency state determination unit 11 receives information on the distance between the destination and the current location acquired by the vehicle state acquisition unit 10 in step ST102 or the time taken to reach the destination, and determines the information urgency based on the received content. (Step ST103). Specifically, for example, based on information acquired from the vehicle state acquisition unit 10, when the current location is within about 500 m from the destination (when close), “urgent level: high”, the current location is 1 km or more from the destination In the case of (if far away), it is determined that “the degree of urgency is low”. That is, when the destination is approaching, it is determined that the urgency of providing information is high so as not to overlook it.
- the determination criteria can be set as appropriate.
- the time required to reach the destination acquired from the vehicle state acquisition unit 10 is a predetermined time or more, it is determined that the degree of urgency is low, and the time required to reach the destination is determined. If it is less than the predetermined time, it may be determined that “urgency level is high”. In other words, if the time required to reach the destination is less than the predetermined time, it may be determined that the destination has approached and the urgency of providing information is high so that it will not be overlooked. . Also in this case, the criterion for determination of the predetermined time can be set as appropriate.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the information urgency determined in step ST103 with the determination rule (step ST104).
- the display information here is destination-related information (external environment warning information) such as destination information and route information to the destination.
- Control here refers to the information displayed in the display area. It is decision and increase / decrease of information amount. Specifically, referring to the control parameter 14, an appropriate display area and the amount of information to be displayed are determined. For example, in the case of “emergency level: high”, the external environment warning information display amount in the HUD upper region, the HUD lower region, and the dashboard upper region is increased, and the display amount in the instrument panel region and the navigation region is decreased.
- the external environmental warning information display amount is increased in the HUD lower area, the dashboard upper area / instrument area, and the navigation area, and the display amount in the HUD upper area is decreased. This is because the HUD upper region, the HUD lower region, and the dashboard upper region are close to the driver's eyes and easily obtain information.
- These corresponding display areas are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the emergency state. However, only the display area may be changed according to the emergency state, or only the information amount to be displayed is displayed. May be changed.
- the emergency related to the destination related information of the host vehicle is estimated from the distance from the current location acquired as the vehicle state to the destination and the time taken to reach the destination.
- the displayed area or the amount of information according to the degree it is possible to make it easier to see the necessary information in a highly urgent situation such as when you are around the destination.
- Embodiment 3 In the third embodiment, as yet another embodiment, an embodiment in which the vehicle state acquisition unit 10 acquires in-vehicle environment information, for example, in-vehicle temperature and in-vehicle humidity as vehicle state information will be described. .
- the configuration of the in-vehicle display control device 1 according to Embodiment 3 of the present invention is the same as the configuration of the in-vehicle display control device 1 described in Embodiments 1 and 2 with reference to FIG.
- the operation of the in-vehicle display control device 1 according to the third embodiment of the present invention is different from the operation shown in FIG. 2 in the first and second embodiments only in the contents of steps ST102 to ST104. Only explained.
- the vehicle state acquisition part 10 acquires vehicle interior temperature as information on a vehicle state.
- the information emergency state determination unit 11 receives the vehicle temperature information acquired by the vehicle state acquisition unit 10 in step ST102, and determines the information urgency based on the received content (step ST103). Specifically, based on the information acquired from the vehicle state acquisition unit 10, for example, when it is 25 ° C. or higher in summer or 22 ° C. or lower in winter, “emergency: high”, and 24 ° C. or lower in summer If it is 22 degrees or more in winter, it is determined that the degree of urgency is low.
- the urgency level is determined at 25 ° C. or more in summer and below, and at 22 ° C. or below in winter, respectively.
- the determination criteria are not limited to this, and the determination criteria can be set as appropriate.
- the urgency level is determined from the in-vehicle temperature as the in-vehicle environment information.
- the present invention is not limited to this, and the urgency level may be determined from the in-vehicle humidity.
- the degree of urgency may be determined from information or a combination of a plurality of pieces of environmental information such as in-vehicle temperature and in-vehicle humidity.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the information urgency determined in step ST103 with the determination rule (step ST104).
- the display information here refers to information related to the vehicle's air conditioning (external environment warning information) such as the temperature and humidity inside the vehicle, and the air conditioning status.
- Control here refers to the information displayed. It is the determination of the display area and the increase / decrease of the information amount. Specifically, referring to the control parameter 14, an appropriate display area and the amount of information to be displayed are determined. For example, in the case of “emergency level: high”, the external environment warning information display amount in the HUD upper region, the HUD lower region, and the dashboard upper region is increased, and the display amount in the instrument panel region and the navigation region is decreased.
- the external environmental warning information display amount is increased in the HUD lower area, the dashboard upper area / instrument area, and the navigation area, and the display amount in the HUD upper area is decreased. This is because the HUD upper region, the HUD lower region, and the dashboard upper region are close to the driver's eyes and easily obtain information.
- These corresponding display areas are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the emergency state. However, only the display area may be changed according to the emergency state, or only the information amount to be displayed is displayed. May be changed.
- the displayed area or the amount of information is changed according to the urgency estimated from the vehicle state information such as the vehicle interior temperature and the vehicle interior humidity. By doing so, it is possible to make it easier to see necessary information in a highly urgent situation such as a high temperature inside the vehicle in summer.
- Embodiment 4 FIG.
- the configuration of the in-vehicle display control apparatus 1 according to Embodiment 4 of the present invention is the same as the configuration of the in-vehicle display control apparatus 1 described in Embodiments 1 to 3 in FIG.
- the operation of the in-vehicle display control device 1 according to the fourth embodiment of the present invention is different from the operation shown in FIG. 2 in the first to third embodiments only in the contents of steps ST102 to ST104. Only explained.
- the vehicle state acquisition part 10 acquires a vehicle front state as information on a vehicle state. Specifically, the vehicle state acquisition unit 10 acquires information about a pedestrian and an oncoming vehicle as a vehicle front state based on an image obtained from an imaging camera attached to the front of the vehicle.
- the information emergency state determination unit 11 receives the vehicle forward state information acquired by the vehicle state acquisition unit 10 in step ST102, and determines the information urgency based on the received content (step ST103). Specifically, for example, based on information acquired from the vehicle state acquisition unit 10, “emergency level: high” is detected when an object of caution such as a pedestrian jumping out or an oncoming vehicle protruding is detected, and otherwise It is determined that the level of urgency is low.
- the urgency level is high because there is a high need for the driver to provide information promptly because the danger increases if a pedestrian jumps out of the vehicle or an oncoming vehicle protrudes.
- the urgency level is determined by jumping out of a pedestrian or protruding an oncoming vehicle.
- the present invention is not limited to this, and a criterion for determination can be set as appropriate.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the information urgency determined in step ST103 with the determination rule (step ST104).
- the display information here is external environment warning information regarding oncoming vehicles and pedestrians
- the control here is the determination of the display area and the increase / decrease of the information amount for the information to be displayed. Specifically, referring to the control parameter 14, an appropriate display area and the amount of information to be displayed are determined. For example, when the degree of urgency is high, the external environment warning information display amount is increased in the HUD upper region, the HUD lower region, and the dashboard upper region, and the display amount in the instrument panel region and the navigation region is decreased.
- the external environmental warning information display amount is increased in the HUD lower area, the dashboard upper area / instrument area, and the navigation area, and the display amount in the HUD upper area is decreased. This is because the HUD upper region, the HUD lower region, and the dashboard upper region are close to the driver's eyes and easily obtain information.
- These corresponding display areas are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the emergency state. However, only the display area may be changed according to the emergency state, or only the information amount to be displayed is displayed. May be changed.
- the pedestrian is changed by changing the area or the amount of information displayed according to the urgency level estimated from the vehicle front state. It is possible to make it easier to see necessary information in situations of high urgency such as popping out.
- Embodiment 5 FIG.
- the vehicle state acquisition unit 10 acquires a vehicle rear state as vehicle state information
- the configuration of the in-vehicle display control device 1 according to Embodiment 5 of the present invention is the same as the configuration of the in-vehicle display control device 1 described in Embodiments 1 to 4 with reference to FIG.
- the operation of the in-vehicle display control device 1 according to the fifth embodiment of the present invention is different from the operation shown in FIG. 2 in the first to fourth embodiments only in the contents of the steps ST102 to ST104. Only explained.
- the vehicle state acquisition unit 10 acquires the vehicle rear state as the vehicle state information. Specifically, the vehicle state acquisition unit 10 acquires information such as overtaking or approaching a vehicle, a motorcycle, a bicycle, or the like from the rear as a vehicle rear state based on an image obtained from an imaging camera attached to the rear of the vehicle.
- the information emergency state determination unit 11 receives the vehicle forward state information acquired by the vehicle state acquisition unit 10 in step ST102, and determines the information urgency based on the received content (step ST103). Specifically, for example, based on the information acquired from the vehicle state acquisition unit 10, when the overtaking or approach of a vehicle, motorcycle, bicycle, etc. from the rear is detected, “emergency level: high”, otherwise It is determined that the level of urgency is low. This is because urgency is high because overtaking or approaching vehicles, motorcycles, bicycles, etc. from the outside of the vehicle increases the risk, and it is necessary to provide information more promptly to the driver. .
- the urgency level is determined by overtaking or approaching a vehicle, a motorcycle, a bicycle, or the like from the rear.
- the present invention is not limited to this, and the determination criterion can be set as appropriate.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the information urgency determined in step ST103 with the determination rule (step ST104).
- the display information here refers to external environmental warning information regarding vehicles, motorcycles, bicycles, etc. from the rear.
- Control here refers to determining the display area and increasing / decreasing the amount of information. It is. Specifically, referring to the control parameter 14, an appropriate display area and the amount of information to be displayed are determined. For example, in the case of “emergency level: high”, the external environment warning information display amount in the HUD upper region, the HUD lower region, and the dashboard upper region is increased, and the display amount in the instrument panel region and the navigation region is decreased.
- the external environmental warning information display amount is increased in the HUD lower area, the dashboard upper area / instrument area, and the navigation area, and the display amount in the HUD upper area is decreased. This is because the HUD upper region, the HUD lower region, and the dashboard upper region are close to the driver's eyes and easily obtain information.
- These corresponding display areas are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the emergency state. However, only the display area may be changed according to the emergency state, or only the information amount to be displayed is displayed. May be changed.
- the external environment warning information displayed by the vehicle is changed from the rear by changing the displayed region or the amount of information according to the urgency estimated from the vehicle rear state. This makes it easier to read the necessary information in situations of high urgency such as overtaking motorcycles.
- FIG. FIG. 4 is a configuration diagram of the in-vehicle display control apparatus 1 according to Embodiment 6 of the present invention.
- the in-vehicle display control device 1 according to the sixth embodiment includes an outside state acquisition unit 15 and a visibility state determination unit 16 in addition to the configuration of the vehicle state acquisition unit 10 described in the first to fifth embodiments. Are only different.
- FIG. 4 the description of the same configuration as that described with reference to FIG. 1 in Embodiments 1 to 5 is omitted.
- the vehicle outside state acquisition unit 15 acquires information on the state outside the vehicle.
- the vehicle exterior state acquisition unit 15 acquires the illuminance outside the vehicle.
- the visibility state determination unit 16 determines the visibility state of the driver based on the information acquired by the vehicle exterior state acquisition unit 15.
- FIG. 5 is a flowchart showing the operation of the in-vehicle display control apparatus 1 according to Embodiment 6 of the present invention.
- the vehicle exterior state acquisition unit 15 acquires the vehicle exterior state (step ST202).
- the vehicle exterior state acquisition unit 15 acquires the vehicle exterior illuminance in each display area as the vehicle exterior state information.
- the illuminance outside the vehicle may be obtained from, for example, an image of an imaging camera in front of the vehicle, or may be obtained by other methods.
- the visibility state determination unit 16 receives the illuminance outside the vehicle acquired by the outside state acquisition unit 15 in step ST202, and determines the driver's visibility state based on the received illuminance outside the vehicle (step ST203). Specifically, for example, the illuminance outside the vehicle, which is the background of the HUD display area, is determined as “dazzling” or “dark”. If the background of each display area, that is, the illuminance of the image captured by the imaging camera in front of the vehicle is greater than or equal to the reference, the visibility state of the display area is determined to be “dazzling”, otherwise it is determined to be “dark” .
- the illuminance used as a criterion for determination may be, for example, 2000 lux (illuminance equivalent to sunlight after 1 hour of cloudy daylight).
- the illuminance used as a criterion for determination is not limited to this, and can be set as appropriate.
- the background color tone may be determined.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the visibility state determined in step ST203 with the determination rule (step ST204).
- the display information here is, for example, the display information described in the first to fifth embodiments.
- Control refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. For example, when the visibility state of each area of the HUD display is “dark”, the display of the area is increased. When the entire area of the HUD display is “dazzling”, the display on the dashboard, the instrument panel area, and the navigation area is increased. Etc. These corresponding display areas and the amount of information to be displayed are registered in advance in the control parameters.
- the display mode determination unit 12 also considers the information emergency level determined by the information emergency state determination unit 11 by receiving the vehicle front state information from the vehicle state acquisition unit 10, and displays an appropriate display area and display. Decide how much information you want. Specifically, for example, when there is information that the information emergency state determination unit 11 determines as “urgent level: high”, display information that is displayed with priority on information of “urgent level: high” is controlled. Like that.
- an appropriate display area or an appropriate amount of information is determined.
- the specific operations of the vehicle state acquisition unit 10 and the information emergency state determination unit 11 are the same as in the first to fifth embodiments, and thus detailed description thereof is omitted.
- a color that is a complementary color to the color tone of the background of the HUD display is a character color (if the background is red, the character color is yellowish green).
- the control unit determines whether or not the vehicle is traveling (step ST205). When it is determined that the vehicle is traveling (in the case of “YES” in step ST205), the control unit repeats the processing from step ST202. On the other hand, if it is determined in step ST205 that the vehicle is not traveling (in the case of “NO” in step ST205), the control unit determines whether the car key is turned off or the brake is turned on. It is determined whether or not (step ST206). If it is determined in step ST206 that the key is turned off or the brake is turned on (in the case of “YES” in step ST206), the process is terminated.
- the process returns to step ST202, and the subsequent processing is repeated. That is, the vehicle state acquisition unit 10 performs detection whenever necessary while the vehicle is traveling, and does not detect when the vehicle is stopped.
- the in-vehicle display control device 1 described in the first to fifth embodiments further includes an out-of-vehicle state acquisition unit 15 and a visibility state determination unit 16, and is based on the degree of urgency of information and the visibility state of the driver.
- the present invention is not limited to this, and the vehicle state acquisition unit 10 and the information emergency state determination unit 11 of FIG.
- the determination of the display area of the information to be displayed and the increase / decrease in the information amount may be suppressed based only on the driver's visibility state determined by the visibility state determination unit 16 from the information on the state outside the vehicle acquired by the vehicle. .
- an out-of-vehicle state acquisition unit that acquires information related to an out-of-vehicle state
- a visibility state determination unit that determines a driver's visibility state based on information acquired by the out-of-vehicle state acquisition unit
- a determination result of the visibility state determination unit It can also be set as the vehicle-mounted display control apparatus provided with the display mode determination part which changes the display area which displays information based on this, or the display information amount.
- the information obtained by the vehicle is displayed more appropriately in the easy-to-see area according to the background illuminance of the HUD display. can do.
- Embodiment 7 FIG.
- the embodiment in which the vehicle outside state acquisition unit 15 acquires the illuminance outside the vehicle as information on the state outside the vehicle has been described.
- the seventh embodiment an embodiment in which the vehicle exterior state acquisition unit 15 acquires the presence / absence of a traffic information indicator as the vehicle exterior state information will be described.
- the configuration of the in-vehicle display control device 1 according to Embodiment 7 of the present invention is the same as the configuration of the in-vehicle display control device 1 described in Embodiment 6 with reference to FIG.
- the operation of the in-vehicle display control apparatus 1 according to the seventh embodiment of the present invention is different from the operation shown in FIG. 5 in the sixth embodiment only in the contents of steps ST202 to ST204. To do.
- the vehicle exterior state acquisition part 15 acquires the presence or absence of the traffic information display of the background of each HUD display area as information on a vehicle exterior state.
- the presence / absence of a traffic information display may be acquired from an image taken by an imaging camera in front of the vehicle, or the presence / absence of a traffic information display may be acquired by other methods.
- the visibility state determination unit 16 receives the presence or absence of the traffic information display acquired by the vehicle exterior state acquisition unit 15 in step ST202, and determines the visibility state based on the received content (step ST203).
- the visibility state is determined to be bad. If it is “none”, it is determined that the visibility state is good.
- the traffic information indicator to be determined here is, for example, a traffic light, speed display, traffic sign, etc., and is an example of a display obstacle in the present invention.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the visibility state determined in step ST203 with the determination rule (step ST204).
- the display information here is, for example, the display information described in the first to fifth embodiments.
- Control refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. For example, here, when a traffic information indicator exists in the background of the HUD display area, control is performed such that information is not displayed in the area or the amount of information to be displayed is reduced. Or you may make it perform control which displays an icon etc. on a traffic information display.
- corresponding display areas and the amount of information to be displayed are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the state outside the vehicle. However, only the display area may be changed according to the state outside the vehicle, or only the amount of information to be displayed is displayed. May be changed.
- the in-vehicle display control device 1 described in the first to fifth embodiments is further provided with the vehicle exterior state acquisition unit 15 and the visibility state determination unit 16, but as in the sixth embodiment, The vehicle state acquisition unit 10 and the information emergency state determination unit 11 of FIG.
- the visibility state determination unit 16 are not provided, and only based on the driver's visibility state determined by the visibility state determination unit 16 from the information on the state outside the vehicle acquired by the vehicle exterior state acquisition unit 15. The determination of the display area of the information to be displayed and the increase or decrease in the information amount may be suppressed.
- the vehicle outside state acquisition unit 15 acquires the presence or absence of an obstacle such as a pedestrian existing in front of the driver as information on the vehicle outside state. Will be described.
- an obstacle such as a pedestrian is an example of a display obstacle in the present invention.
- the configuration of the in-vehicle display control device 1 according to the eighth embodiment of the present invention is the same as the configuration of the in-vehicle display control device 1 described in FIGS.
- movement of the vehicle-mounted display control apparatus 1 which concerns on Embodiment 8 of this invention since the operation
- the vehicle exterior state acquisition part 15 acquires the presence or absence of the obstacle of the background of each HUD display area as information on a vehicle exterior state.
- the presence or absence of an obstacle may be acquired from an image taken by an imaging camera in front of the vehicle, or the presence or absence of an obstacle may be acquired by other methods.
- the visibility state determination unit 16 receives the presence / absence of the obstacle acquired by the vehicle exterior state acquisition unit 15 in step ST202, and determines the visibility state based on the received content (step ST203). Specifically, for example, based on the presence / absence of an obstacle acquired from the vehicle outside state acquisition unit 15, when an obstacle outside the vehicle is “present” in the background of each HUD display area, it is determined that the visibility state is bad, and the obstacle Is “None”, it is determined that the visibility state is good.
- the display mode determination unit 12 controls the display information displayed on the display unit 13 by comparing the visibility state determined in step ST203 with the determination rule (step ST204).
- the display information here is, for example, the display information described in the first to fifth embodiments.
- Control refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. For example, when there is an obstacle in the background of the HUD display area, control is performed such that information is not displayed in the area or the amount of information to be displayed is reduced. Or you may make it perform the control which superimposes and displays an icon etc. on an obstruction.
- corresponding display areas and the amount of information to be displayed are registered in advance in the control parameters.
- the display area and the amount of information to be displayed are determined to be changed according to the state outside the vehicle. However, only the display area may be changed according to the state outside the vehicle, or only the amount of information to be displayed is displayed. May be changed.
- the eighth embodiment when there is an obstacle or a pedestrian in the background of the HUD display area, more accurate information is displayed by not displaying the information displayed by the vehicle. You can make provisions.
- the information displayed by the vehicle is displayed by superimposing an icon or the like to make the obstacle or the pedestrian more Can be emphasized and communicated to the driver. As a result, the driver can be alerted to obstacles and pedestrians.
- the in-vehicle display control device 1 described in the first to fifth embodiments is further provided with the vehicle exterior state acquisition unit 15 and the visibility state determination unit 16, but the sixth and seventh embodiments Similarly, the vehicle state acquisition unit 10 and the information emergency state determination unit 11 of FIG. 4 are not provided, and only the driver's visibility state determined by the visibility state determination unit 16 from the information on the state outside the vehicle acquired by the vehicle exterior state acquisition unit 15 is used. Based on this, the display area of the information to be displayed may be determined and the increase or decrease in the information amount may be suppressed.
- Embodiment 9 FIG. In the ninth embodiment, as another embodiment, an embodiment in which the vehicle outside state acquisition unit 15 acquires peripheral facility information as information on the state outside the vehicle will be described.
- the configuration of the in-vehicle display control device 1 according to Embodiment 9 of the present invention is the same as the configuration of the in-vehicle display control device 1 described in Embodiments 6 to 8 with reference to FIG.
- the operation of the in-vehicle display control device 1 according to the ninth embodiment of the present invention is different from the operation shown in FIG. 5 in the sixth to eighth embodiments, except for the contents of the steps ST202 to ST204. Only explained.
- the vehicle exterior state acquisition unit 15 acquires current location peripheral facility information from map data stored in advance as the vehicle exterior state information.
- the current location surrounding facility information refers to information such as, for example, a shopping street, in front of an elementary school, a residential area, a main street, a highway, or a road without surrounding facilities.
- the visibility state determination unit 16 receives the current location facility information acquired by the vehicle exterior state acquisition unit 15 in step ST202, and determines the visibility state based on the received content (step ST203). Specifically, for example, based on the current location surrounding facility information acquired from the vehicle exterior state acquisition unit 15, it is determined whether the forward caution level is a “front near point caution spot” or a “front far point caution spot”. For example, if the current location is a shopping street, in front of an elementary school, or in a residential area, it is determined to be “a point near the front”. It should be noted that “front near point caution spot” or “front far point caution spot” can be appropriately set in advance.
- the display mode determination unit 12 controls the display unit 13 by comparing the visibility state determined in step ST203 with the determination rule (step ST204).
- the control here refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. . For example, in this case, if the HUD display area is a “front near point caution spot”, the display on the HUD upper area is not performed or the amount of display is reduced. -Control is performed such that display on the instrument panel area is not performed or the amount of display is reduced.
- an area for displaying information according to whether the type of the current location is a place where attention is paid to a near point in front or a place where attention is paid to a far point Alternatively, it is possible to provide more accurate information by changing the amount of information to be displayed.
- the in-vehicle display control device 1 described in the first to fifth embodiments is further provided with the vehicle exterior state acquisition unit 15 and the visibility state determination unit 16, but the sixth and seventh embodiments Similarly, the vehicle state acquisition unit 10 and the information emergency state determination unit 11 of FIG. 4 are not provided, and only the driver's visibility state determined by the visibility state determination unit 16 from the information on the state outside the vehicle acquired by the vehicle exterior state acquisition unit 15 is used. Based on this, the display area of the information to be displayed may be determined and the increase or decrease in the information amount may be suppressed.
- FIG. 6 shows a configuration of the in-vehicle display control device 1 further including a driver state acquisition unit 17 and a driver state determination unit 18 in addition to the in-vehicle display control device 1 described with reference to FIG. 1 in the first to fifth embodiments.
- FIG. FIG. 7 shows a configuration of the in-vehicle display control device 1 further including a driver state acquisition unit 17 and a driver state determination unit 18 in addition to the in-vehicle display control device 1 described in Embodiments 6 to 9 with reference to FIG. FIG. In FIGS. 6 and 7, the description of the same configuration as that described in Embodiments 1 to 9 is omitted.
- the driver state acquisition unit 17 acquires information related to the driver state.
- the driver state determination unit 18 determines the state of the driver based on the driver state information acquired by the driver state acquisition unit 17.
- the display mode determination unit 12 determines the amount of information and the display area to be displayed in accordance with the driver state information acquired by the driver state acquisition unit 17. In an emergency state, the amount of information to be displayed and the display area are determined according to the degree of urgency. Further, the amount of information to be displayed and the display area are determined according to the state outside the vehicle.
- the vehicle state acquisition unit 10 acquires vehicle state information
- the information emergency state determination unit 11 determines the urgency of the information based on the vehicle state
- the determination result of the information emergency state determination unit 11 Since the operation of determining the display area or the amount of information to be displayed based on the display mode determination unit 12 is based on the description in Embodiments 1 to 5, detailed description thereof is omitted.
- the operation of the display mode determination unit 12 determining the display area or the amount of information to be displayed based on the determination result of determining the degree of urgency is the same as described in the sixth to ninth embodiments. Omitted.
- the operations of the driver state acquisition unit 17 and the driver state determination unit 18 and the operation of the display mode determination unit 12 in response to the operation of the driver state determination unit 18 will be described.
- FIG. 8 is a flowchart of the operations of the driver state acquisition unit 17, the driver state determination unit 18, and the display mode determination unit 12 of the in-vehicle display control device 1 according to Embodiment 10 of the present invention.
- the driver state acquisition unit 17 acquires the driver state (step ST302).
- the driver state acquisition part 17 acquires the height of a driver
- the driver may be photographed with a camera installed in the vehicle, and the height of the line of sight may be detected from the position of the photographed driver's eyes. This is only an example, and the height of the driver's line of sight may be detected using another method.
- the driver state determination unit 18 receives the eye height acquired by the driver state acquisition unit 17 in step ST302, and determines the driver attribute, that is, the state of the driver based on the received eye height (step ST303). . Specifically, for example, based on the eye height acquired from the driver state acquisition unit 17, an eye height of 80 cm or more from the seating surface to the eye of the vehicle is set as “eye height: high”, and the eye height is 80 cm. The following is referred to as “eye height: low”. Here, 80 cm or more is defined as “eye height: high”, and the eye height of 80 cm or less is defined as “eye height: low”. It can be set.
- the display mode determination unit 12 controls the display unit 13 by comparing the state of the driver determined in step ST103 with the determination rule (step ST304).
- the control here refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. .
- the HUD upper area is set as an appropriate display area.
- the driver is “eye height: low”
- the HUD lower area, the dashboard upper area, and the instrument panel area are set as appropriate display areas.
- These corresponding display areas are registered in advance in the control parameters. As described above, only the display area may be changed based on the state of the driver, or only the amount of information to be displayed may be changed. Further, both the display area and the amount of information to be displayed may be changed.
- the control unit determines whether or not the vehicle is traveling (step ST305), and when it is determined that the vehicle is traveling (in the case of “YES” in step ST305), the process from step ST302 is repeated. On the other hand, when it is determined in step ST305 that the vehicle is not traveling (in the case of “NO” in step ST305), the control unit determines whether the car key is turned off or the brake is turned on. It is determined whether or not (step ST306). If it is determined in step ST306 that the key is turned off or the brake is turned on (in the case of “YES” in step ST306), the process is terminated.
- step ST306 the process returns to step ST302 and the subsequent processing is repeated. That is, the driver state acquisition unit 17 performs detection whenever necessary while the vehicle is traveling, and does not detect when the vehicle is stopped.
- the driver state acquisition unit 17 and the driver state determination unit 18 it is possible to provide information in consideration of the driver's state.
- the configuration of FIG. 6 will be described.
- the external environment warning information display area or display is performed according to the degree of emergency determined by the information emergency state determination unit 11.
- the degree of urgency is low, more accurate information can be provided by changing the display area or the amount of information to be displayed based on the state of the driver.
- FIG. 7 the configuration of FIG. 7 will be described.
- the driver's field of view determined by the field of view determination unit 16 based on the state outside the vehicle acquired by the vehicle state acquisition unit 15 and the vehicle acquired by the vehicle state acquisition unit 10 are described.
- the degree of urgency determined by the information emergency state determination unit 11 based on the state of
- more accurate information can be provided by changing the display area or the amount of information to be displayed based on the state of the driver. Note that the vehicle state acquisition unit 10 and the information emergency state determination unit 11 of FIG.
- the display area or the amount of information to be displayed is set based on the driver's condition. It may be changed. Also in this case, there is an effect that more accurate information can be provided.
- necessary information can be displayed in an appropriate display area that is easy to see according to the state of the driver. Can acquire necessary information more accurately during driving.
- Embodiment 11 FIG.
- the embodiment in which the driver state acquisition unit 17 acquires the height of the driver's eyes as information related to the driver's state has been described.
- the eleventh embodiment an embodiment in which the driver state acquisition unit 17 acquires the age of the driver as information related to the driver's state will be described.
- the configuration of the in-vehicle display control device 1 according to the eleventh embodiment of the present invention is the same as the configuration of the in-vehicle display control device 1 described in the tenth embodiment with reference to FIG. 6 and FIG. .
- the operation of the in-vehicle display control device 1 according to the eleventh embodiment of the present invention is different from the operation shown in FIG. 8 in the tenth embodiment only in the contents of steps ST302 to ST304, and only the different contents will be described. To do.
- the driver state acquisition unit 17 acquires the age of the driver as the driver state information.
- a conventional technique may be used as a method for obtaining the age of the driver. Specifically, for example, the driver may be photographed with a camera installed in the vehicle, and the age may be acquired by authentication of the photographed image. Further, when the driver gets to the driver's seat, the age is input from an input unit (not shown) included in the in-vehicle display control device 1, and the driver status acquisition unit 17 receives the input age information from the input unit. Thus, the age may be acquired. This is only an example, and the driver's age may be acquired using another method.
- the driver state determination unit 18 receives the age acquired by the driver state acquisition unit 17 in step ST302, and determines the driver attribute, that is, the state (age) of the driver based on the received age (step ST303). Specifically, based on the age acquired from the driver state acquisition unit 17, a person 65 years or older is determined as an “elderly person” and a person 64 years or younger is determined as a “young person”. In addition, although 65 years old or older was made into "elderly person” and 64 years old or younger was made into "young person” here, not only this but the age of setting it as elderly person can be set suitably.
- the display mode determination unit 12 controls the display unit 13 by comparing the age of the driver determined by the driver state determination unit 18 in step ST303 with the determination rule (step ST304).
- the control here refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. .
- the appropriate display area and the information amount to be displayed For example, when the driver is “elderly”, the instrument panel area, the navigation area, and the dashboard area are set as appropriate display areas.
- the HUD display area is set as an appropriate display area. These corresponding display areas are registered in advance in the control parameters. As described above, only the display area may be changed based on the state of the driver, or only the amount of information to be displayed may be changed. Further, both the display area and the amount of information to be displayed may be changed.
- necessary information is displayed in an appropriate display area that is easy to see according to the state of the driver in addition to the state of the vehicle and the state outside the vehicle.
- the driver can acquire necessary information more accurately while driving.
- Embodiment 12 FIG.
- the driver state acquisition unit 17 acquires the driver's visual aid information as information on the driver's state.
- the configuration of the in-vehicle display control device 1 according to the twelfth embodiment of the present invention is the same as the configuration of the in-vehicle display control device 1 described with reference to FIGS. Description is omitted.
- the operation of the in-vehicle display control apparatus 1 according to the twelfth embodiment of the present invention is different from the operation shown in FIG. 8 in the tenth and eleventh embodiments, except for the contents of steps ST302 to ST304. Only explained.
- the driver state acquisition unit 17 uses the driver's visual aid information, that is, the driver's visual aid usage status information as the driver state information. get.
- the driver state determination unit 18 receives the visual aid information acquired by the driver state acquisition unit 17 in step ST302, and determines the driver attribute, that is, the state of the driver based on the received visual aid information (step S302). ST303). Specifically, when the driver gets to the driver's seat, the visual aid information to be used, such as a lens, is input from an input unit (not shown) included in the in-vehicle display control device 1, and the input visual aid information is input.
- the driver state acquisition unit 17 may receive from the input unit to determine whether or not the visual aid is used. Note that this is an example, and the driver's visual aid information may be calculated using another method.
- the driver state acquisition unit 17 always determines that the driver's state is “naked eye”. Based on the received visual aid information of the driver, the presence / absence of “use of multifocal lens (bifocal lens)”, “multifocal” It is determined whether or not “use of a lens (a lens for middle and near vision)”, “use of a progressive lens that reduces eyestrain”, and “use of a lens for myopia”. In the case of a multifocal lens (bifocal lens) and a multifocal lens (middle and near bifocal lens), the regions of the hyperopic (medium vision) lens and the myopic lens are designated. For example, information is obtained such that the near vision lens is a near vision and the near vision is far vision and the lower lens is myopia. In addition, the lens here refers to all visual aids that use lenses, such as contact lenses and eyeglass lenses.
- the display mode determination unit 12 controls the display unit 13 by comparing the visual aid information of the driver determined in step ST303 with the determination rule (step ST304).
- the control here refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. . For example, if the driver is “use of multifocal lens (bifocal lens)”, the HUD upper area and the navigation area / dashboard area are appropriate. If the driver is “naked eye”, the HUD area or dashboard area When the driver is using a “progressive lens that reduces eyestrain”, the navigation area, instrument panel area, and dashboard area are appropriate.
- the HUD lower area, instrument panel area, and dashboard upper area are appropriate. These corresponding display areas are registered in advance in the control parameters. As described above, only the display area may be changed based on the state of the driver, or only the amount of information to be displayed may be changed. Further, both the display area and the amount of information to be displayed may be changed.
- necessary information is displayed in an appropriate display area that is easy to see according to the state of the driver in addition to the state of the vehicle and the state outside the vehicle.
- the information can be displayed, and the driver can acquire necessary information more accurately while driving.
- Embodiment 13 FIG.
- the driver state acquisition unit 17 acquires the driver's eye movement amount as information on the driver's state.
- the configuration of the in-vehicle display control device 1 according to the thirteenth embodiment of the present invention is the same as the configuration of the in-vehicle display control device 1 described in FIGS. 6 and 7 in the tenth to twelfth embodiments. Omitted.
- the operation of the in-vehicle display control apparatus 1 according to the thirteenth embodiment of the present invention is different from the operation shown in FIG. 8 in the tenth to twelfth embodiments, except for the contents of the steps ST302 to ST304. Only explained.
- the driver state acquisition unit 17 acquires the driver's eye movement amount as information on the driver's state. Specifically, the amount of eyeball movement of the driver is calculated from an image obtained by photographing the driver with an imaging camera installed in front of the driver. In that case, the eyeball position when the driver gets to the driver's seat is treated as an initial value. This is merely an example, and the driver's eye movement amount may be calculated using another method.
- the driver state determination unit 18 receives the eyeball movement amount acquired by the driver state acquisition unit 17 in step ST302, and determines the driver attribute, that is, the driver state based on the received eyeball movement amount (step ST303). .
- the information acquisition load is “high” when the position of the driver's eyeball is 5 cm or more per minute on the secondary plane image and the displacement is 4 times or more, and “low” otherwise. Is determined.
- the information acquisition load is “high” when the position of the driver's eyeball is 5 or more displacements per minute on the secondary plane image, but the information acquisition load is not limited to this.
- the criterion for whether or not the value is high can be set as appropriate.
- the display mode determination unit 12 controls the display unit 13 by comparing the driver's information acquisition load determined in step ST303 with the determination rule (step ST304).
- the control here refers to the determination of the display area and the increase / decrease of the information amount for the information to be displayed.
- the control parameter 14 is referred to determine the appropriate display area and the information amount to be displayed. . For example, when the information acquisition load of the driver is “high”, the display of the HUD display area and the area on the dashboard is increased, or the display of the instrument panel area and the navigation area is decreased. These corresponding display areas are registered in advance in the control parameters. As described above, only the amount of information to be displayed may be changed or only the display area may be changed based on the state of the driver. Further, both the display area and the amount of information to be displayed may be changed.
- necessary information is displayed in an appropriate display area that is easy to see according to the state of the driver in addition to the state of the vehicle and the state outside the vehicle.
- the information can be displayed, and the driver can acquire necessary information more accurately while driving.
- Embodiment 14 FIG.
- the configuration of the in-vehicle display control device 1 according to the fourteenth embodiment of the present invention is the same as the configuration of the in-vehicle display control device 1 described in FIGS. Omitted.
- the operation of the in-vehicle display control apparatus 1 according to the fourteenth embodiment of the present invention is different from the operation shown in FIG. 8 in the tenth to thirteenth embodiments only in the contents of steps ST302 to ST304. Only explained.
- the driver state acquisition unit 17 acquires the driver's eyeball position as the driver state information, and calculates the gaze location and the gaze time.
- a conventional technique may be used.
- the eyeball position may be acquired from an image obtained by capturing the driver with an imaging camera installed in front of the driver's seat.
- the eyeball position when the driver gets to the driver's seat is treated as an initial value, the gaze point is calculated from the movement distance of the eyeball position from there, and the time when the eyeball position is fixed at each gaze point is measured.
- the eyeball position of the driver is acquired from an image obtained by photographing the driver with the imaging camera.
- the present invention is not limited to this, and the eyeball position may be acquired by another method.
- the driver state determination unit 18 receives the driver's gaze location and gaze time information calculated by the driver status acquisition unit 17 in step ST302, and the driver is based on the received driver gaze location and gaze time information.
- the attribute, that is, the state of the driver is determined (step ST303). Specifically, the driver state determination unit 18 determines whether the driver's eye gaze amount is “high” or “low” in each display area. For example, when the line of sight is stopped for two seconds or more in one display area, the driver state determination unit 18 determines the gaze amount of the display area as “high”, and when it is less than that, “low”. judge. Note that the display area here refers to the seven areas shown in FIG.
- the gaze amount is determined to be “high” when the line of sight is stopped for two seconds or more in one display area.
- the present invention is not limited to this, and the reference for the gaze amount “high” can be set as appropriate.
- the display mode determination unit 12 controls the display unit 13 by comparing the visibility state determined in step ST303 with the determination rule (step ST304).
- the control is an increase or decrease in the amount of information in the display area for the information to be displayed.
- the control parameter 14 is referred to and an appropriate display area and the amount of information to be displayed are determined. For example, the amount of information in the area determined to be “high” in the display area is reduced, or the display is eliminated. Information amounts of these corresponding display areas are registered in advance in the control parameters. As described above, only the amount of information to be displayed may be changed or only the display area may be changed based on the state of the driver. Further, both the display area and the amount of information to be displayed may be changed.
- necessary information is displayed in an appropriate display area that is easy to see according to the state of the driver in addition to the state of the vehicle and the state outside the vehicle.
- the information can be displayed, and the driver can acquire necessary information more accurately while driving.
- Embodiments 1 to 14 can be combined as appropriate, and if any one of the information emergency state determination unit 11, the visibility state determination unit 16, and the driver state determination unit 18 is provided.
- the display mode determination unit 12 changes the area for displaying information or the amount of information to be displayed based on the determination result of any one of the information emergency determination unit 11, the visibility state determination unit 16, and the driver state determination unit 18. It is possible to do so.
- the vehicle-mounted display control device improves the visibility of display by changing the displayed area or the amount of information according to the state of the vehicle for information displayed by the vehicle, and driving by visual recognition of the display. Therefore, the present invention can be applied to an in-vehicle display control device that provides information to the driver while traveling.
- SYMBOLS 1 In-vehicle display control apparatus 10 Vehicle state acquisition part, 11 Information emergency state determination part, 12 Display mode determination part, 13 Display part, 14 Control parameter, 15 Outside state acquisition part, 16 Visibility state determination part, 17 Driver state acquisition , 18 Driver state determination unit.
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Abstract
Description
その解決法として、運転者の属性や状態に応じて、情報の提供方法を変更する方法が考えられる。車載表示制御装置としては、情報をより見やすく表示させるものとして、運転者前方部(ダッシュボード上、フロントガラス、サンバイザー部、など)に情報を表示するヘッドアップディスプレイ表示(HUD)や、インパネ部表示などの、運転者の視線移動が少ない領域への表示をおこなう車載表示制御装置が注目されている。
例えば、特許文献1には、HUDについて、運転者の年齢情報とサングラスの着用有無に合わせて、表示像の表示幅を変更させる技術について開示されている。
また、特許文献2には、HUDについて、運転者の視野範囲に基づき、各車載カメラから入力される死角画像の表示位置を変更させる技術について開示されている。
実施の形態1.
図1は、この発明の実施の形態1に係る車載表示制御装置1の構成図である。
この実施の形態1に係る車載表示制御装置1は、車両状態取得部10と、情報緊急状態判定部11と、表示態様決定部12と、表示部13と、制御パラメータ14とを備える。
なお、ここでは、車載表示制御装置1が表示部13を備える構成としているが、表示部13は、車載表示制御装置1の外部に備えるものとしてもよい。
車両状態取得部10は、車両の状態の情報を取得する。なお、この実施の形態1では、車両状態取得部10は、現在地の法定速度、および、自車両の速度を取得するものとする。
情報緊急状態判定部11は、車両状態取得部10が取得した車両の状態に応じて情報の緊急度を判定する。
表示態様決定部12は、情報緊急状態判定部11が判定した情報の緊急度に応じて、情報を表示する表示領域、または、表示領域への表示情報量を決定する。
制御パラメータ14は、運転者および車の状況に対応した適切な表示領域のパラメータを記憶している。
図示しない制御部により、車のキーがONされたと判断されると(ステップST101)、車両状態取得部10は、車両の状態を取得する(ステップST102)。
ここでは、車両状態取得部10は、車両の状態の情報として、ナビゲーションによる現在地の法定速度、および、自車両の速度といった車両状態を取得する。
表示領域とは、図3に示すように、ナビ領域・インパネ領域・ダッシュボード上領域・HUD上部領域・HUD下部領域の5つの領域を指す。ナビ領域とは、経路案内などのナビゲーション画面をいい、インパネ領域とは、運転席前面に設けられたインパネ部分をいい、ダッシュボード上領域とは、ダッシュボードのすぐ上の助手席から運転席までの横長の領域をいい、HUD上部領域・HUD下部領域は、それぞれ、HUDの上側・下側の領域をいう。なお、ダッシュボード上領域は、HUDより手前に位置するものとする。
制御部は、車が走行中かどうかを判定し(ステップST105)、走行中であると判断されると(ステップST105の“YES”の場合)、ステップST102からの処理を繰り返す。一方、ステップST105において、走行中ではないと判断されると(ステップST105の“NO”の場合)、制御部は、車のキーがOFFされたか、または、ブレーキがONされている状態であるかどうかを判定する(ステップST106)。ステップST106において、キーがOFFされた、または、ブレーキがONにされていると判断されると(ステップST106の“YES”の場合)、処理を終了する。一方、キーはOFFされていない、かつ、ブレーキがOFFにされていると判断されると(ステップST106の“NO”の場合)、ステップST102に戻り、以降の処理を繰り返す。つまり、車両状態取得部10は、車両が走行中は随時検知を行い、車両停車中は検知しない。
実施の形態1では、車両状態取得部10が、車両の状態の情報として、現在地の法定速度、および、自車両の速度を取得する実施の形態について説明した。この実施の形態2では、車両状態取得部10が、車両の状態の情報として、ナビゲーションがルート案内時であった場合に、目的地と現在地の距離、または、目的地到達までにかかる時間の情報を取得する実施の形態について説明する。
この発明の実施の形態2に係る車載表示制御装置1の構成は、実施の形態1で図1に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態2に係る車載表示制御装置1の動作については、実施の形態1で図2に示した動作と、ステップST102~ステップST104の内容が異なるのみであるので異なる内容についてのみ説明する。
この実施の形態3では、さらに別の実施の形態として、車両状態取得部10が、車両の状態の情報として、車内の環境情報、例えば、車内温度や車内湿度を取得する実施の形態について説明する。
この発明の実施の形態3に係る車載表示制御装置1の構成は、実施の形態1,2で図1に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態3に係る車載表示制御装置1の動作については、実施の形態1,2で図2に示した動作と、ステップST102~ステップST104の内容が異なるのみであるので異なる内容についてのみ説明する。
情報緊急状態判定部11は、ステップST102において車両状態取得部10が取得した車内温度の情報を受信し、受信した内容により情報緊急度を判定する(ステップST103)。具体的には、車両状態取得部10から取得した情報に基づき、例えば、夏場の25℃以上であったり冬場の22℃以下であった場合には「緊急度:高」、夏場の24℃以下であったり冬場の22度以上であった場合には「緊急度:低」と判定する。これは、夏場車内の温度が高かったり、冬場車内の温度が低かったりすると、運転者の運転に対する集中力に問題が起きる可能性が高くなるため、そのような情報をより迅速に運転者に知らせる必要性が高いため、緊急度が高いとするものである。なお、ここでは、夏場の25℃以上,以下、冬場の22℃以下,以上でそれぞれ緊急度を判定することとしたが、これに限らず、判定の基準は適宜設定可能とする。また、この実施の形態3では、車内の環境情報として車内温度から緊急度を判定するようにしたが、これに限らず、車内湿度から緊急度を判定するようにしてもよいし、その他の環境情報や、車内温度と車内湿度など複数の環境情報の組み合わせから緊急度を判定するようにしてもよい。
この実施の形態4では、さらに別の実施の形態として、車両状態取得部10が、車両の状態の情報として、車両前方状態を取得する実施の形態について説明する。
この発明の実施の形態4に係る車載表示制御装置1の構成は、実施の形態1~3で図1に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態4に係る車載表示制御装置1の動作については、実施の形態1~3で図2に示した動作と、ステップST102~ステップST104の内容が異なるのみであるので異なる内容についてのみ説明する。
情報緊急状態判定部11は、ステップST102において車両状態取得部10が取得した車両前方状態情報を受信し、受信した内容により情報緊急度を判定する(ステップST103)。具体的には、例えば、車両状態取得部10から取得した情報に基づき、歩行者の飛び出しや対向車のはみ出しなどの注意対象物を検知した場合は「緊急度:高」、それ以外の場合は「緊急度:低」と判定する。これは、車外に歩行者の飛び出しや対向車のはみ出しがあれば危険度が増すため、運転者により迅速に情報を提供する必要性が高いため、緊急度が高いとするものである。なお、ここでは、歩行者の飛び出しや対向車のはみ出しで緊急度を判定することとしたが、これに限らず、判定の基準は適宜設定可能とする。
この実施の形態5では、さらに別の実施の形態として、車両状態取得部10が、車両の状態の情報として、車両後方状態を取得する実施の形態について説明する。
この発明の実施の形態5に係る車載表示制御装置1の構成は、実施の形態1~4で図1に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態5に係る車載表示制御装置1の動作については、実施の形態1~4で図2に示した動作と、ステップST102~ステップST104の内容が異なるのみであるので異なる内容についてのみ説明する。
図4は、この発明の実施の形態6に係る車載表示制御装置1の構成図である。
この実施の形態6に係る車載表示制御装置1は、実施の形態1~5で説明した車両状態取得部10の構成に加え、さらに、車外状態取得部15と視界状態判定部16とを備える点が異なるのみである。
なお、図4について、実施の形態1~5において図1を用いて説明したものと同様の構成については、重複した説明を省略する。
視界状態判定部16は、車外状態取得部15が取得した情報に基づき、運転者の視界状態を判定する。
図示しない制御部により、車のキーがONされたと判断されると(ステップST201)、車外状態取得部15は、車外の状態を取得する(ステップST202)。
ここでは、車外状態取得部15は、車外の状態の情報として、表示領域それぞれにおける車外の照度を取得する。車外の照度は、例えば、車両前方の撮像カメラの画像によって得ることとすればよいし、その他の方法で取得してもよい。
また、この時、表示態様決定部12は、情報緊急状態判定部11が、車両状態取得部10から車両前方状態情報を受信して判定した情報緊急度も考慮して、適切な表示領域と表示する情報量を決定する。具体的には、例えば、情報緊急状態判定部11が「緊急度:高」と判定した情報がある場合には、「緊急度:高」の情報を優先して表示する表示情報の制御を行なうようにする。また、例えば、先に車両状態取得部10から受信した車両状態情報の緊急度を判断し、次に視界状態を判定することにより、適切な表示領域を決定したり、適切な情報量を決定したりすることもできる。具体的には、「緊急度:高」の場合に、まず、情報の表示領域の候補としてHUD上部領域、HUD下部領域、またはダッシュボード上領域を選択する。次に、HUD表示の全領域が「眩しい」と判定された場合、選択された3つの領域のうち、ダッシュボード上領域に情報を表示する。または、視界状態の判定を優先し、車両状態情報の緊急度に基づき選択された表示領域の候補を用いずに、インパネ領域に情報を表示することを決定してもよい。なお、車両状態取得部10,情報緊急状態判定部11の具体的な動作については、実施の形態1~5と同じであるため詳細な説明を省略する。
なお、ここでは、実施の形態1~5で説明した車載表示制御装置1に、車外状態取得部15と視界状態判定部16とをさらに備え、情報の緊急度と運転者の視界状態とに基づき表示する情報の表示領域の決定と情報量の増減を制御するようにしたが、これに限らず、図4の車両状態取得部10と情報緊急状態判定部11を備えず、車外状態取得部15が取得する車外の状態の情報から視界状態判定部16が判定した運転者の視界状態のみに基づいて、表示する情報の表示領域の決定と情報量の増減を抑制するように構成してもよい。すなわち、車外の状態に関する情報を取得する車外状態取得部と、この車外状態取得部が取得した情報に基づき運転者の視界状態を判定する視界状態判定部と、この視界状態判定部の判定結果に基づき情報を表示する表示領域の変更、または表示情報量の変更を行う表示態様決定部とを備えた車載表示制御装置とすることもできる。
実施の形態6では、車外状態取得部15が、車外の状態の情報として、車外の照度を取得する実施の形態について説明した。この実施の形態7では、車外状態取得部15が、車外の状態の情報として、交通情報表示器の有無を取得する実施の形態について説明する。
この発明の実施の形態7に係る車載表示制御装置1の構成は、実施の形態6で図4に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態7に係る車載表示制御装置1の動作については、実施の形態6で図5に示した動作と、ステップST202~ステップST204の内容が異なるのみであるので異なる内容についてのみ説明する。
視界状態判定部16は、ステップST202において車外状態取得部15が取得した交通情報表示器の有無を受信し、受信した内容により視界状態を判定する(ステップST203)。具体的には、例えば、車外状態取得部15から取得した交通情報表示器の有無に基づき、HUD表示領域それぞれの背景に車外の交通情報表示器が「有」の場合、視界状態は悪いと判定し、「無」の場合、視界状態は良いと判定する。なお、ここで判定対象となる交通情報表示器とは、例えば、信号機、速度表示、交通標識、などをいい、本発明における表示障害物の一例である。
また、実施の形態7によれば、車両が表示する情報について、HUD表示領域の背景に交通情報表示器がある場合に、アイコンなどを重畳表示させることにより、その交通情報表示器をより強調させて運転者に伝えることができる。これにより、交通情報表示器に対する運転者の注意喚起が可能となる。
なお、上記の説明では、実施の形態1~5で説明した車載表示制御装置1に、車外状態取得部15と視界状態判定部16とをさらに備える構成としたが、実施の形態6と同様、図4の車両状態取得部10と情報緊急状態判定部11を備えず、車外状態取得部15が取得する車外の状態の情報から視界状態判定部16が判定した運転者の視界状態のみに基づいて、表示する情報の表示領域の決定と情報量の増減を抑制するように構成してもよい。
この実施の形態8では、さらに別の実施の形態として、車外状態取得部15が、車外の状態の情報として、運転者の前方に存在する歩行者等の障害物の有無を取得する実施の形態について説明する。なお、ここで、歩行者等の障害物は、本発明における表示障害物の一例である。
この発明の実施の形態8に係る車載表示制御装置1の構成は、実施の形態6,7で図4に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態8に係る車載表示制御装置1の動作については、実施の形態6,7の図5に示した動作と、ステップST202~ステップST204の内容が異なるのみであるので異なる内容についてのみ説明する。
また、実施の形態8によれば、車両が表示する情報について、HUD表示領域の背景に障害物や歩行者がある場合に、アイコンなどを重畳表示させることにより、その障害物や歩行者をより強調させて運転者に伝えることができる。これにより、障害物や歩行者に対する運転者の注意喚起が可能となる。
なお、上記の説明では、実施の形態1~5で説明した車載表示制御装置1に、車外状態取得部15と視界状態判定部16とをさらに備える構成としたが、実施の形態6、7と同様、図4の車両状態取得部10と情報緊急状態判定部11を備えず、車外状態取得部15が取得する車外の状態の情報から視界状態判定部16が判定した運転者の視界状態のみに基づいて、表示する情報の表示領域の決定と情報量の増減を抑制するように構成してもよい。
この実施の形態9では、さらに別の実施の形態として、車外状態取得部15が、車外の状態の情報として、周辺施設情報を取得する実施の形態について説明する。
この発明の実施の形態9に係る車載表示制御装置1の構成は、実施の形態6~8で図4に説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態9に係る車載表示制御装置1の動作については、実施の形態6~8で図5に示した動作と、ステップST202~ステップST204の内容が異なるのみであるので異なる内容についてのみ説明する。
なお、上記の説明では、実施の形態1~5で説明した車載表示制御装置1に、車外状態取得部15と視界状態判定部16とをさらに備える構成としたが、実施の形態6、7と同様、図4の車両状態取得部10と情報緊急状態判定部11を備えず、車外状態取得部15が取得する車外の状態の情報から視界状態判定部16が判定した運転者の視界状態のみに基づいて、表示する情報の表示領域の決定と情報量の増減を抑制するように構成してもよい。
次に、実施の形態1~9に加え、さらに運転者の状態の情報を取得し、運転者の状態を考慮してより的確に情報提供を行なう実施の形態について説明する。
図6は、実施の形態1~5で図1を用いて説明した車載表示制御装置1に、運転者状態取得部17と運転者状態判定部18とをさらに備えた車載表示制御装置1の構成図である。
図7は、実施の形態6~9で図4を用いて説明した車載表示制御装置1に、運転者状態取得部17と運転者状態判定部18とをさらに備えた車載表示制御装置1の構成図である。
なお、図6、図7において、実施の形態1~9で説明したものと同様の構成については、重複した説明を省略する。
運転者状態判定部18は、運転者状態取得部17が取得した運転者の状態の情報に基づき、運転者の状態を判定する。
表示態様決定部12は、運転者状態取得部17が取得した運転者の状態の情報にあわせて表示する情報量や表示領域を決定する。また、緊急状態では、その緊急度に応じて表示する情報量や表示領域を決定する。また、車外の状態に応じて表示する情報量や表示領域を決定する。
図示しない制御部により、車のキーがONされたと判断されると(ステップST301)、運転者状態取得部17は、運転者状態を取得する(ステップST302)。
ここでは、運転者状態取得部17は、運転者の状態の情報として、運転者の目線の高さを取得する。具体的には、車内に設置されたカメラによって運転者を撮影し、撮影された運転者の目の位置から、目線の高さを検出するようにすればよい。なお、これは一例であり、他の方法を用いて運転者の目線の高さを検出するものであってもよい。
なお、このように、運転者の状態に基づいて、表示領域のみを変更するようにしてもよいし、表示する情報量のみを変更するようにしてもよい。また、表示領域および表示する情報量の両方を変更するようにしてもよい。
例えば、図6の構成について説明すると、車両状態取得部10によって取得された車両の状態に基づき、情報緊急状態判定部11が判定した緊急度に応じて、外部環境警告情報の表示領域または表示する情報量を変更することに加え、緊急度の低い場合等には、運転者の状態に基づいて表示領域または表示する情報量を変更することで、より的確な情報提供を行なうことができる。
実施の形態10では、運転者状態取得部17が、運転者の状態に関する情報として、運転者の目線の高さを取得する実施の形態について説明した。この実施の形態11では、運転者状態取得部17が、運転者の状態に関する情報として、運転者の年齢を取得する実施の形態について説明する。
この発明の実施の形態11に係る車載表示制御装置1の動作については、実施の形態10で図8に示した動作と、ステップST302~ステップST304の内容が異なるのみであるので異なる内容についてのみ説明する。
なお、このように、運転者の状態に基づいて、表示領域のみを変更するようにしてもよいし、表示する情報量のみを変更するようにしてもよい。また、表示領域および表示する情報量の両方を変更するようにしてもよい。
この実施の形態12では、さらに別の実施の形態として、運転者状態取得部17が、運転者の状態に関する情報として、運転者の視覚補助具情報を取得する実施の形態について説明する。
この発明の実施の形態12に係る車載表示制御装置1の構成は、実施の形態10,11において図6,図7を用いて説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態12に係る車載表示制御装置1の動作については、実施の形態10,11で図8に示した動作と、ステップST302~ステップST304の内容が異なるのみであるので異なる内容についてのみ説明する。
運転者状態判定部18は、ステップST302において運転者状態取得部17が取得した視覚補助具情報を受信し、受信した視覚補助具情報により運転者属性、つまり、運転者の状態を判定する(ステップST303)。具体的には、運転者が運転席についた時、車載表示制御装置1が備える入力部(図示しない)から、レンズなど、使用する視覚補助具情報を入力し、入力された視覚補助具情報を、運転者状態取得部17が入力部から受信することで、視覚補助具使用の有無を判別するようにすればよい。なお、これは一例であり、他の方法を用いて運転者の視覚補助具情報を算出ものであってもよい。
なお、このように、運転者の状態に基づいて、表示領域のみを変更するようにしてもよいし、表示する情報量のみを変更するようにしてもよい。また、表示領域および表示する情報量の両方を変更するようにしてもよい。
この実施の形態13では、さらに別の実施例として、運転者状態取得部17が、運転者の状態に関する情報として、運転者の眼球移動量を取得する実施の形態について説明する。
この発明の実施の形態13に係る車載表示制御装置1の構成は、実施の形態10~12において図6,図7で説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態13に係る車載表示制御装置1の動作については、実施の形態10~12で図8に示した動作と、ステップST302~ステップST304の内容が異なるのみであるので異なる内容についてのみ説明する。
なお、このように、運転者の状態に基づいて、表示する情報量のみを変更するようにしてもよいし、表示領域のみを変更するようにしてもよい。また、表示領域および表示する情報量の両方を変更するようにしてもよい。
この実施の形態14では、さらに別の実施例として、運転者状態取得部17が、運転者の状態に関する情報として、運転者の眼球位置を取得する実施の形態について説明する。
この発明の実施の形態14に係る車載表示制御装置1の構成は、実施の形態10~13において図6,図7で説明した車載表示制御装置1の構成と同様であるため、重複した説明を省略する。
この発明の実施の形態14に係る車載表示制御装置1の動作については、実施の形態10~13で図8に示した動作と、ステップST302~ステップST304の内容が異なるのみであるので異なる内容についてのみ説明する。
表示態様決定部12は、ステップST303で判定した視界状態を判定ルールに照らし合わせ、表示部13の制御をおこなう(ステップST304)。なお、ここでいう制御とは、表示する情報について、表示領域の情報量の増減であり、具体的には、制御パラメータ14を参照し、適切な表示領域と表示する情報量を決定する。例えば、表示領域の注視量「高」と判定された領域の情報量を減らす、または、表示をなくす。これらの対応する表示領域の情報量はあらかじめ制御パラメータに登録されている。
なお、このように、運転者の状態に基づいて、表示する情報量のみを変更するようにしてもよいし、表示領域のみを変更するようにしてもよい。また、表示領域および表示する情報量の両方を変更するようにしてもよい。
Claims (13)
- 運転者に対して、走行中に情報を提供する車載表示制御装置であって、
運転者に提供する情報として車両の状態に関する情報を取得する車両状態取得部と、
前記車両状態取得部が取得した情報の緊急度を判定する緊急度判定部と、
前記情報を前記緊急度判定部の判定結果に基づいた表示領域に表示するように表示態様を決定する表示態様決定部とを備えた
ことを特徴とする車載表示制御装置。 - 運転者に対して、走行中に情報を提供する車載表示制御装置であって、
運転者に提供する情報として車両の状態に関する情報を取得する車両状態取得部と、
前記車両状態取得部が取得した情報の緊急度を判定する緊急度判定部と、
表示領域への表示情報量を前記緊急度判定部の判定結果に基づいた表示情報量とするように表示態様を決定する表示態様決定部とを備えた
ことを特徴とする車載表示制御装置。 - 車外の状態に関する情報を取得する車外状態取得部と、
前記車外状態取得部が取得した情報に基づき、前記運転者の視界状態を判定する視界状態判定部とをさらに備え、
前記表示態様決定部は、前記緊急度判定部の判定結果および前記視界状態判定部の判定結果に基づき前記表示態様を決定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記運転者の状態に関する情報を取得する運転者状態取得部をさらに備え、
前記表示態様決定部は、前記運転者の状態に関する情報に基づき、表示態様を決定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記車両状態取得部は、現在地の法定速度、および、自車両の速度を取得し、
前記緊急度判定部は、前記現在地の法定速度、および、自車両の速度に基づき、前記情報の緊急度を判定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記車両状態取得部は、目的地と現在地の距離、または、目的地到達までにかかる時間を取得し、
前記緊急度判定部は、前記目的地と現在地の距離、または、前記目的地到達までにかかる時間に基づき、前記情報の緊急度を判定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記車両状態取得部は、車内の環境情報を取得し、
前記緊急度判定部は、前記環境情報とあらかじめ設定された基準値とに基づき、前記情報の緊急度を判定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記車両状態取得部は、車両前方状態または車両後方状態を取得し、
前記緊急度判定部は、車両前方または車両後方の注意対象物の存在有無に基づき、前記情報の緊急度を判定する
ことを特徴とする請求項1または請求項2記載の車載表示制御装置。 - 前記車外状態取得部は、車外の照度を取得し、
前記表示態様決定部は、前記照度が、あらかじめ設定された基準以上の場合に、前記表示態様を決定する
ことを特徴とする請求項3記載の車載表示装置。 - 前記車外状態取得部は、車外の表示障害物の有無を取得し、
前記表示態様決定部は、背景に前記表示障害物が存在する表示領域に前記情報を表示しない
ことを特徴とする請求項3記載の車載表示装置。 - 前記車外状態取得部は、現在地周辺施設情報を取得し、
前記表示態様決定部は、前記現在地周辺施設情報に基づき、前記表示態様を決定する
ことを特徴とする請求項3記載の車載表示装置。 - 前記運転者状態取得部は、前記運転者の目線または年齢または視覚補助具のうちのいずれか一つに関する情報を取得し、
前記表示態様決定部は、前記運転者の目線または年齢または視覚補助具のうちのいずれか一つに関する情報に基づき、前記表示態様を決定する
ことを特徴とする請求項4記載の車載表示装置。 - 前記運転者状態取得部は、前記運転者の眼球移動量を取得、または、前記運転者の眼球移動量から前記運転者の注視箇所および注視時間を算出し、
前記表示態様決定部は、前記運転者の眼球移動量、または、注視箇所および注視時間に基づき、前記表示態様を決定する
ことを特徴とする請求項4記載の車載表示装置。
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CN105474287A (zh) | 2016-04-06 |
JPWO2015025350A1 (ja) | 2017-03-02 |
US20160185219A1 (en) | 2016-06-30 |
DE112013007344T5 (de) | 2016-05-04 |
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