JP7285904B2 - Display controller, program and system - Google Patents

Description

The present invention relates to a display control device, program, and system.

In Patent Document 1, an AR (Augmented Reality) device having a display unit capable of superimposing and displaying an AR virtual object on a landscape in a real space by displaying an image such as text or a diagram in a transparent or translucent state is disclosed. Reality) glasses are described.
[Prior art documents]
[Patent Literature]
[Patent Document 1] JP-A-2019-114078

According to a first aspect of the invention, a display control device is provided. The display control apparatus may include a determination unit that determines whether the wearer wearing the glasses-type device is moving. The display control device may include a display control section that controls display of content on the display section of the glasses-type device based on the determination result of the determination section.

The display control unit performs control such that when it is determined that the wearer is moving, the transmittance of the content is higher than when it is determined that the wearer is not moving. good. The display control unit may perform control such that the faster the movement speed of the wearer, the higher the transmittance of the content. When it is determined that the wearer is moving, the display control unit displays the content at a position farther from the glasses-type device than when it is determined that the wearer is not moving. You can control the placement. The display control unit may perform control such that the content is arranged at a farther position as the wearer moves faster. The display control unit arranges the content outside the display area when it is determined that the wearer is moving, compared to when it is determined that the wearer is not moving. You can control it. The display control unit may control the size of the content to be smaller when it is determined that the wearer is moving compared to when it is determined that the wearer is not moving. . The display control unit may perform control such that the faster the wearer's movement speed, the smaller the size of the content.

When it is determined that the wearer is moving, the display control unit may perform control to display the content in a simple manner. The display unit may display fixed display content fixedly displayed at a predetermined position in the display area and dynamic display content whose display position in the display area changes, and the display control unit Display of the dynamic display content by the display unit may be controlled based on a determination result by the determination unit. The display control unit increases the transmittance of the dynamic display content when it is determined that the wearer is moving, compared to when it is determined that the wearer is not moving. You can control it. The display control unit may perform control such that the higher the movement speed of the wearer, the higher the transmittance of the dynamic display content. When it is determined that the wearer is moving, the display control unit arranges the dynamic display content at a farther position than when it is determined that the wearer is not moving. can be controlled as follows. The display control unit may perform control such that the dynamic display content is arranged at a farther position as the movement speed of the wearer is faster. When it is determined that the wearer is moving, the display control unit displays the dynamic display content further outside the display area than when it is determined that the wearer is not moving. You can control the placement. The display control unit controls to reduce the size of the dynamic display content when it is determined that the wearer is moving compared to when it is determined that the wearer is not moving. You can The display control unit may perform control so that the size of the dynamic display content becomes smaller as the movement speed of the wearer increases. When it is determined that the wearer is moving, the display control unit may perform control so as to simply display the dynamic display content. When it is determined that the wearer is moving, the display control unit may perform control to display only the fixed display content out of the fixed display content and the dynamic display content.

According to a second aspect of the invention, a display control device is provided. The display control device may include an information acquisition unit that acquires brightness information indicating the degree of brightness around the glasses-type device. The display control device may include a display control unit that controls display of content by the display unit of the glasses-type device based on the brightness information. The display control unit, when the degree of brightness indicated by the brightness information is higher than a predetermined degree, compares the case where the degree of brightness indicated by the brightness information is lower than a predetermined degree, The transmittance may be controlled to be low. The display control unit may perform control such that the higher the degree of brightness indicated by the brightness information, the lower the transmittance of the content.

A third aspect of the present invention provides a display control device. The display control device may include an information acquisition unit that acquires position information indicating the position of the glasses-type device. The display control device may include a determination unit that determines the area in which the glasses-type device is located based on the positional information. The display control apparatus may include a display control unit that controls the display mode of the content by the display unit of the eyeglass-type device according to the area where the eyeglass-type device is located. The display control section may control the display position of the content within the display area of the display section according to the area where the glasses-type device is located.

According to a fourth aspect of the present invention, there is provided a program for causing a computer to function as the display control device.

It should be noted that the above summary of the invention does not list all the necessary features of the invention. Subcombinations of these feature groups can also be inventions.

An example system 10 is shown schematically. 1 schematically shows the process flow in system 10; An example of display by the spectacles-type device 200 is schematically shown. An example of a functional configuration of a display control device 300 included in the spectacles-type device 200 is schematically shown. An example of the flow of processing by the display control device 300 is schematically shown. An example of the flow of processing by the display control device 300 is schematically shown. An example of the flow of processing by the display control device 300 is schematically shown. 1 schematically shows an example of a hardware configuration of a computer 1200 functioning as a display control device 300 or a display control server 100. FIG.

Hereinafter, the present invention will be described through embodiments of the invention, but the following embodiments do not limit the invention according to the claims. Also, not all combinations of features described in the embodiments are essential for the solution of the invention.

FIG. 1 schematically illustrates an example system 10 . The system 10 has a display control server 100 . The display control server 100 may be realized on the cloud. The display control server 100 may be realized by one device. The display control server 100 may be realized by multiple devices.

Network 20 includes a cloud. Network 20 may include a mobile communication network. The mobile communication network conforms to any of the LTE (Long Term Evolution) communication method, 3G (3rd Generation) communication method, 5G (5th Generation) communication method, 6G (6th Generation) communication method and later communication methods. good. The network 20 may support the Wi-Fi (registered trademark) communication system. Network 20 may be accessible via a Wi-Fi access point. The network 20 may be accessible using other wireless communications in general.

System 10 includes an eyeglass device 200 . System 10 may comprise communication terminal 400 . System 10 may comprise a metrology device 500 . System 10 may comprise communication terminal 600 .

The glasses-type device 200 may be so-called AR glasses. The glasses-type device 200 may be a device capable of giving the user 202 the feeling that the content is arranged in a real space by displaying the content on transparent or translucent glasses that matches the field of view. . That is, the spectacles-type device 200 may be a so-called transmission type (see-through type) device. The content may be CG (Computer Graphics) content for AR.

The display control server 100 may control display of content by the glasses-type device 200 . The display control server 100 communicates with the glasses-type device 200 via the network 20 . The display control server 100 may be wired or wirelessly connected to the network 20 . The glasses-type device 200 may be connected to the network 20 by mobile communication, Wi-Fi communication, or other wireless communication in general. The display control server 100 receives, for example, the field of view information of the spectacles-type device 200 from the spectacles-type device 200 via the network 20, and transmits and displays content to the spectacles-type device 200 according to the field of view. It should be noted that the glasses-type device 200 may take the lead in displaying the content in accordance with the field of view. For example, the spectacles-type device 200 transmits field of view information or position information of the spectacles-type device 200 to the display control server 100, receives content corresponding to the field of view or the position from the display control server 100, and displays the field of view of the spectacles-type device 200. Display content according to Also, for example, the spectacles-type device 200 receives content corresponding to each position from the display control server 100 in advance, and displays the content in accordance with the field of view of the spectacles-type device 200 . Also, the glasses-type device 200 may display content stored therein in accordance with the field of view instead of receiving content from the display control server 100 . A user 202 wearing the glasses-type device 200 can have an experience as if the content were arranged in the real space. User 202 may be an example of a wearer.

The glasses-type device 200 generates visibility information based on the position, orientation, and orientation of the glasses-type device 200, for example. The spectacles-type device 200 may include various sensors, and may identify the position, orientation, and posture of the spectacles-type device 200 using various sensors.

The glasses-type device 200 may include a positioning sensor. The glasses-type device 200 includes, for example, a GNSS (Global Navigation Satellite System) sensor such as a GPS (Global Positioning System) sensor.

The glasses-type device 200 may include an acceleration sensor. The eyewear device 200 may include a velocity sensor. The glasses-type device 200 may include a gyro sensor. The glasses-type device 200 may include LiDAR (Light Detection and Ranging). The glasses-type device 200 may include a brightness sensor. The glasses-type device 200 may also include other sensors.

The spectacles-type device 200 may generate field-of-view information based on a captured image captured by an imaging unit included in the spectacles-type device 200 . The glasses-type device 200 may generate field-of-view information using various sensors and an image captured by an imaging unit.

The display control server 100 may receive and store spatial information in which the shape of the real space is registered from the measuring device 500 via the network 20 . The measuring device 500 may generate spatial information using various sensors. Spatial information may be, for example, point cloud data representing objects in space. Examples of sensors include a ranging sensor, LiDAR, and the like, but the measurement device 500 is not limited to these, and may use any known sensor. The display control server 100 may receive and store spatial information from the glasses-type device 200 . The glasses-type device 200 may also generate spatial information using various sensors, similarly to the measuring device 500 .

The display control server 100 may accept registration of content for each of multiple areas included in the spatial information. A plurality of areas may follow divisions such as parks and roads, or may be arbitrarily divided.

The display control server 100 accepts content registration by the user 202, for example. The display control server 100 receives, for example, a content registration request for an area from the communication terminal 400 of the user 202, and registers the content in the area. Communication terminal 400 may be a smartphone, a tablet terminal, a PC (Personal Computer), or the like. The display control server 100 may receive a content registration request for an area from the glasses-type device 200 of the user 202 and register the content in the area.

The display control server 100 also accepts content registration by a registration operator or the like who performs content registration work. For example, the display control server 100 receives a content registration request for an area from the registration operator's communication terminal 600, and registers the content in the area. The communication terminal 600 may be a smart phone, a tablet terminal, a PC (Personal Computer), or the like. The communication terminal 600 may be AR glasses.

The display control server 100 may accept registration of content for a mobile object. Examples of mobile objects include, but are not limited to, people, animals, vehicles, and the like. For example, when the first user 202 comes into the field of view of the second user's 202 spectacles-type device 200, the display control server 100 controls the content related to the first user 202 to be displayed by the spectacles-type device 200. is received from the first user 202 . The first user 202, for example, registers content indicating a link destination to his/her SNS around him/herself. As a result, when the first user 202 enters the field of view of the glasses-type device 200 of the second user 202, the content indicating the link destination to the SNS of the first user 202 is displayed on the glasses of the second user 202. It can be displayed on the type device 200 .

Further, the display control server 100 registers content displayed by the spectacle-type device 200 when the first user 202 enters the field of view of the spectacle-type device 200 of the second user 202, for example. Received from second user 202 . The second user 202 registers content such as clothing and hats, so that when the first user 202 comes within the field of view of the glasses-type device 200 of the second user 202, the first user A state in which clothes, a hat, etc. are superimposed on 202 can be viewed.

In addition, the display control server 100, for example, when the vehicle comes into the field of view of the spectacles-type device 200 of the user 202, the registration of the vehicle-related content displayed by the spectacles-type device 200 is performed by the owner of the vehicle, etc. accept from A vehicle owner registers content indicating, for example, the performance of the vehicle. This allows the user 202 to know the performance and the like of the vehicle when the vehicle comes within the field of view of the glasses-type device 200 .

FIG. 2 schematically shows the process flow in system 10. As shown in FIG. Here, a flow from registration of spatial information to display of content by the glasses-type device 200 is schematically shown.

In step (the step may be abbreviated as S) 102 , the measuring device 500 transmits spatial information to the display control server 100 . The display control server 100 may receive spatial information from multiple measuring devices 500 . The spectacles-type device 200 may transmit the spatial information to the display control server 100 . The display control server 100 may receive spatial information from multiple glasses-type devices 200 . The display control server 100 may receive spatial information from both the measuring device 500 and the glasses-type device 200 . The display control server 100 may receive a plurality of pieces of spatial information from one measuring device 500 .

In S104, the display control server 100 divides the shape of the real world registered in the spatial information into a plurality of areas. In S106, the display control server 100 sets the attributes of each of the multiple areas. Each of the multiple areas may be defined by a three-dimensional coordinate range. The display control server 100 performs area division and attribute setting, for example, according to instructions from an operator, manager, or the like of the display control server 100 . Area attributes may include public. Area attributes may include private ownership. Area attributes may include commerce. Area attributes may include infrastructure. Area attributes may include free. These are examples, and the attributes of the area may include other than these. In S108, the display control server 100 sets, for each of the plurality of areas, a type for identifying a space in which content is arranged. Area types may include building exteriors. Area types may include building interiors. Area types may include stairs. Area types may include traffic lights. Area types may include parks. Area types may include roads. Area types may include sidewalks. These are examples, and the types of areas may include other types. Also, the display control server 100 may register whether each of a plurality of areas is a safe place or a dangerous place. The display control server 100, for example, registers generally high-risk areas such as station platforms and roadsides as dangerous places, and registers other places as safe places. The display control server 100 may perform the registration, for example, according to an instruction from an operator or administrator of the display control server 100 .

In S110, the display control server 100 sets subjects who can arrange content for each attribute of a plurality of areas. The display control server 100 may generate authority information in which a subject permitted to register content is associated with each of a plurality of attributes. The display control server 100 may generate authority information in which a subject permitted to register content is associated with each of a plurality of attributes. The display control server 100 may set the authority for arranging content in an area for the attribute and type of the area. The display control server 100, for example, sets a subject capable of arranging content by combining the attribute and type of the area. The display control server 100, for example, sets the authority according to the instructions of the operator, manager, etc. of the display control server 100. FIG.

In S<b>112 and S<b>114 , communication terminal 400 and communication terminal 600 transmit content registration requests for areas according to the authority set by display control server 100 . In S116, the display control server 100 determines whether the content can be registered. In S118, the display control server 100 registers the content determined to be registrable. The display control server 100 may accept content registrations from a large number of communication terminals 400 and 600 . The display control server 100 may accept registration of content by the glasses-type device 200 . In this case, the glasses-type device 200 transmits a content registration request for the area according to the authority set by the display control server 100 .

In S<b>120 , the glasses-type device 200 transmits the visibility information to the display control server 100 . The display control server 100 determines whether or not the area in which the content is registered is included in the field of view indicated by the field of view information. Determine whether it is possible or not.

In S<b>122 , the display control server 100 transmits the content determined to be displayable and a display instruction to the glasses-type device 200 . In S124, the glasses-type device 200 displays the content according to the display instruction received in S122.

FIG. 3 schematically shows an example of content display by the glasses-type device 200 . The glasses-type device 200 may be capable of displaying dynamic display content 220 whose display position in the display area 210 changes. The glasses-type device 200 displays the dynamic display content 220 in the display area 210 according to changes in position, posture, and orientation so that the dynamic display content 220 appears to be fixed at a specific position in the real world. change position.

The glasses-type device 200 may be capable of displaying fixed display content 230 fixedly displayed at a predetermined position in the display area 210 . Fixed display content 230 includes, for example, content that is desired to be displayed to user 202 at all times. As a specific example, the fixed display content 230 includes time information. Also, the fixed display content 230 may include icons for setting. Also, the fixed display content 230 may include an icon indicating the radio wave condition. Also, the fixed display content 230 may include icons for executing various functions such as mail and phone. The fixed display content 230 may also include arbitrary information.

The content displayed by the glasses-type device 200 may be both the dynamic display content 220 and the fixed display content 230 . Also, the content displayed by the glasses-type device 200 may be only the dynamic display content 220 . Also, the content displayed by the glasses-type device 200 may be only the fixed display content 230 .

The spectacles-type device 200 cooperates with the display control server 100 to display the dynamic display content 220 and the fixed display content 230, thereby superimposing and displaying the content on each area of the real space and on the moving object. , allowing the user 202 to enjoy and utilize the content. However, as the spread of such content progresses, the space will be flooded with content, which may cause inconvenience to the user 202 in their daily lives.

For example, if realistic content that is indistinguishable from the real thing or content that obstructs the field of view is displayed, danger will arise while walking. As a specific example, if content is displayed on a step while the user 202 is moving toward the step, the user 202 cannot notice the step, increasing the risk of falling over the step. Also, for example, when the user 202 is moving toward the direction of the signal, if the signal overlaps with the content, the user 202 becomes less likely to notice the signal, increasing the danger.

The spectacles-type device 200 according to this embodiment provides technology that contributes to solving such problems. For example, the glasses-type device 200 determines whether or not the user 202 is moving. To display content in a display mode that hardly obstructs the view. This can contribute to improving the safety of the user 202 .

Also, the glasses-type device 200 may control display of content according to the degree of ambient brightness. For example, the spectacles-type device 200 normally displays the content when the degree of surrounding brightness is higher than a predetermined degree, and increases the transmittance of the content or lowers the brightness when it is low. . Also, for example, the spectacles-type device 200 reduces the transmittance of the content as the brightness of the surroundings increases. As a result, it is possible to prevent the content from becoming difficult to see when the surroundings of the user 202 are bright.

Further, the glasses-type device 200 normally displays the content when the user 202 is in a safe place, and displays the content in a display mode that does not easily obstruct the field of view of the user 202 when the user 202 is in a dangerous place. do. This can contribute to improving the safety of the user 202 .

FIG. 4 schematically shows an example of the functional configuration of the display control device 300 included in the spectacles-type device 200. As shown in FIG. The display control device 300 includes a storage unit 302 , a process execution unit 304 , an information acquisition unit 306 , a server communication unit 308 , a display control unit 310 and a determination unit 312 . Note that it is not essential that the display control device 300 include all of these.

The storage unit 302 stores various information. The storage unit 302 stores the fixed display content 230, for example.

The processing execution unit 304 executes various types of processing. For example, when various icons included in the fixed display content 230 are selected, the processing execution unit 304 executes processing corresponding to the selected icon.

The information acquisition unit 306 acquires various types of information. The information acquisition unit 306 stores the acquired information in the storage unit 302 . The information acquisition unit 306 may acquire information output by various sensors included in the spectacles-type device 200 . The information acquisition section 306 may acquire a captured image captured by the imaging section included in the spectacles-type device 200 .

The information acquisition unit 306 may use information stored in the storage unit 302 to generate various types of information. Information acquisition unit 306 stores the generated information in storage unit 302 . The information acquisition unit 306 generates view information indicating the view of the spectacles-type device 200, for example. The visibility information may include the position of the glasses-type device 200, the orientation of the glasses-type device 200, the orientation of the glasses-type device 200, and the range of visibility. The information acquisition unit 306 also generates, for example, moving speed information indicating the moving speed of the user 202 .

A server communication unit 308 communicates with the display control server 100 . The server communication section 308 may communicate with the display control server 100 via the network 20 . The server communication unit 308 transmits information stored in the storage unit 302 to the display control server 100, for example.

The server communication section 308 may transmit information acquired by the information acquisition section 306 from various sensors to the display control server 100 . The server communication unit 308 may transmit the captured image that the information acquisition unit 306 acquires from the imaging unit to the display control server 100 . The server communication section 308 may transmit the visibility information generated by the information acquisition section 306 to the display control server 100 . The server communication section 308 may transmit the moving speed information generated by the information acquisition section 306 to the display control server 100 .

The server communication section 308 may receive various information from the display control server 100 . Server communication unit 308 stores the received information in storage unit 302 . The server communication unit 308 receives from the server communication unit 308, for example, content corresponding to the view information transmitted to the display control server 100. FIG. The server communication unit 308 receives from the server communication unit 308, for example, the dynamic display content 220 corresponding to the area included in the field of view indicated by the field of view information.

The display control unit 310 causes the display unit of the glasses-type device 200 to display the content stored in the storage unit 302 . The display of the glasses-type device 200 may be of a transparent or translucent display type. The display unit of the spectacles-type device 200 may be of a projection type that projects onto the glasses of the spectacles-type device 200 .

The display control section 310 may perform control to fixedly display the fixed display content 230 at a predetermined position in the display area of the display section of the glasses-type device 200 . The display control unit 310 also causes the display unit to display the dynamic display content 220 corresponding to the area within the field of view of the glasses-type device 200 . The display control unit 310 may cause the display unit to adjust the display position of the dynamic display content 220 in the display area of the glasses-type device 200 according to changes in the position, orientation, and orientation of the glasses-type device 200 .

The determination unit 312 executes various determination processes. For example, the determination unit 312 determines whether the user 202 wearing the glasses-type device 200 is moving. The determination unit 312 may determine whether or not the user 202 is moving by referring to information stored in the storage unit 302 . The determination unit 312 determines whether or not the user 202 is moving, for example, based on changes in the position information of the glasses-type device 200 . Also, the determination unit 312 determines whether or not the user 202 is moving, for example, by referring to the outputs of the acceleration sensor, speed sensor, gyro sensor, and the like of the glasses-type device 200 . Note that when the user 202 is riding in a car, a train, or the like, the spectacles-type device 200 recognizes features in the car, or the spectacles-type device 200 accepts a manual input from the user 202, thereby allowing the user 202 to move. It may be possible to determine that it is not.

The determination unit 312 may determine whether the user 202 is moving based on the moving speed of the glasses-type device 200 . For example, the determination unit 312 determines that the user 202 is moving when the moving speed of the glasses-type device 200 is faster than a predetermined threshold. The threshold may be arbitrarily set, for example, 5 km/h.

The display control section 310 may control display of content by the display section of the glasses-type device 200 based on the determination result of the determination section 312 . When it is determined that the user 202 is moving, the display control unit 310 displays the content in a display mode that is less likely to obstruct the field of view of the user 202 than when it is determined that the user 202 is not moving. may be controlled to display

For example, when it is determined that the user 202 is moving, the display control unit 310 performs control to increase the transmittance of the content compared to when it is determined that the user 202 is not moving. As a result, while the user 202 is moving, it is possible to improve the visibility of the real world while making the content visible, thereby contributing to improving the safety of the user 202 .

The display control unit 310 may perform control such that the higher the moving speed of the user 202 is, the higher the transmittance of the content is. For example, the display control unit 310 presets a stepwise movement speed threshold, and increases the transparency of the content each time the user 202's movement speed exceeds the stepwise movement speed threshold. As a result, when the user 202 is moving at a low speed, priority is given to the visibility of the content, and when the user 202 is moving at a high speed, priority is given to the visibility of the real world over the visibility of the content. can be done.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 moves the content to a position farther from the glasses-type device 200 than when it is determined that the user 202 is not moving. controls the placement of For example, when it is determined that the user 202 is not moving when content is registered in an area near a building in the foreground, the display control unit 310 makes the content appear to be located in that area. The display of the content is controlled, and when it is determined that the user 202 is moving, the display of the content is controlled so that the content appears to be located in an area near a building in the back. As a result, when the user 202 is moving, it is possible to reduce the proportion of the content in the field of view of the user 202, which contributes to improving the safety of the user 202.

The display control unit 310 may perform control such that the faster the moving speed of the user 202 is, the farther the content is placed. For example, the display control unit 310 presets a stepped movement speed threshold, and controls the position of the content to be made farther each time the user 202's movement speed exceeds the stepped movement speed threshold. do. As a result, when the user 202 is moving at a low speed, priority is given to the visibility of the content, and when the user 202 is moving at a high speed, priority is given to the visibility of the real world over the visibility of the content. can be done.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 arranges the content outside the display area compared to when it is determined that the user 202 is not moving. to control. As a result, when the user 202 is moving, it is possible to improve the visibility of the user 202 in the front direction, and it is possible to contribute to the improvement of the safety of the user 202 .

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 controls the size of the content to be smaller than when it is determined that the user 202 is not moving. For example, when it is determined that the user 202 is moving, the display control unit 310 reduces the size of the content to a predetermined ratio such as half the size of the content when it is determined that the user 202 is not moving. to be controlled. As a result, when the user 202 is moving, it is possible to reduce the proportion of the content in the field of view of the user 202, which contributes to improving the safety of the user 202.

The display control unit 310 may perform control such that the faster the user 202 moves, the smaller the size of the content. For example, the display control unit 310 presets a stepwise moving speed threshold, and controls the size of the content to be reduced each time the user 202's moving speed exceeds the stepped moving speed threshold. As a result, when the user 202 is moving at a low speed, priority is given to the visibility of the content, and when the user 202 is moving at a high speed, priority is given to the visibility of the real world over the visibility of the content. can be done.

Further, for example, when it is determined that the user 202 is moving, the display control unit 310 may perform control so that the content is simply displayed. For example, when it is determined that the user 202 is moving, the display control unit 310 performs control to iconize and display the content. This makes it easier for the user 202 to grasp the real world by reducing the complexity of the content when the user 202 is on the move, and contributes to improving safety for the user 202 .

The display control unit 310 may control the display of the dynamic display content 220 and the static display content 230 based on the determination result of the determination unit 312 differently, instead of performing the same control. For example, the display control unit 310 controls display of the dynamic display content 220 by the display unit of the glasses-type device 200 based on the determination result of the determination unit 312 . The display control unit 310 may control only the display of the dynamic display content 220 out of the dynamic display content 220 and the static display content 230 based on the determination result by the determination unit 312 . That is, the display control unit 310 may change only the display mode of the dynamic display content 220 according to the determination result of the determination unit 312 without changing the display mode of the fixed display content 230 . Note that, when the static display content 230 and the dynamic display content 220 overlap, the display control unit 310 may perform control so that the static display content 230 is preferentially displayed.

For example, when it is determined that the user 202 is moving, the display control unit 310 increases the transmittance of the dynamic display content 220 compared to when it is determined that the user 202 is not moving. Control. As a result, it is possible to reduce the difficulty of viewing the real world due to the dynamic display content 220 while keeping the static display content 230 easy to see, thereby contributing to an improvement in safety for the user 202 . Note that in this case, the display control section 310 may be able to set the transmittance of the fixed display content 230 . The display control unit 310 may transparently display, semi-transparently, or non-transparently display the fixed display content 230 in accordance with the setting regardless of the determination result of the determination unit 312 .

The display control unit 310 may perform control such that the higher the moving speed of the user 202 is, the higher the transmittance of the dynamic display content 220 is. For example, the display control unit 310 presets a stepwise movement speed threshold, and increases the transmittance of the dynamic display content 220 each time the user 202's movement speed exceeds the stepwise movement speed threshold. . The display control unit 310 may control to increase the transmittance of both the dynamic display content 220 and the fixed display content 230 as the moving speed of the user 202 increases. The transmittance of the displayed content 230 may be the same or may be different.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 moves the dynamic display content 220 to a farther position than when it is determined that the user 202 is not moving. control placement. For example, when the dynamic display content 220 is registered in an area near a building in the foreground and it is determined that the user 202 has not moved, the display control unit 310 registers the dynamic display content 220 in the area. The display of the dynamic display content 220 is controlled so that it appears to be located, and if it is determined that the user 202 is moving, the dynamic display content 220 is located in an area near a building in the back. control the display of the dynamic display content 220 to appear as

The display control unit 310 may control the dynamic display content 220 to be placed at a farther position as the moving speed of the user 202 is faster. For example, the display control unit 310 presets a stepped moving speed threshold, and moves the dynamic display content 220 further away each time the moving speed of the user 202 exceeds the stepped moving speed threshold. to be controlled.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 moves the dynamic display content outside the display area more than when it is determined that the user 202 is not moving. 220 is placed.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 reduces the size of the dynamic display content 220 compared to when it is determined that the user 202 is not moving. to control. For example, when it is determined that the user 202 is moving, the display control unit 310 reduces the size of the dynamic display content 220 to half or the like in advance when it is determined that the user 202 is not moving. It is controlled so as to maintain a specified ratio.

The display control unit 310 may control the size of the dynamic display content 220 to be smaller as the moving speed of the user 202 is faster. For example, the display control unit 310 presets a stepped moving speed threshold, and reduces the size of the dynamic display content 220 each time the moving speed of the user 202 exceeds the stepped moving speed threshold. to control.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 performs control so that the dynamic display content 220 is simply displayed. For example, when it is determined that the user 202 is moving, the display control unit 310 controls the dynamic display content 220 to be iconized and displayed.

Also, for example, when it is determined that the user 202 is moving, the display control unit 310 controls to display only the fixed display content 230 out of the fixed display content 230 and the dynamic display content 220 . That is, when the display control unit 310 determines that the user 202 is moving, even if the field of view of the spectacles-type device 200 includes an area in which the dynamic display content 220 is registered, the display control unit 310 performs dynamic display. Control is performed so that only the fixed display content 230 is displayed without displaying the content 220 . As a result, by turning off the display of the dynamic display content 220 while keeping the static display content 230 visible, it is possible to secure a large field of view for the user 202, which contributes to improving the safety of the user 202. be able to.

The display control unit 310 may control display of content by the display unit of the glasses-type device 200 based on the brightness information indicating the degree of brightness around the glasses-type device 200 acquired by the information acquisition unit 306. . The display control unit 310 performs control to display content in a display mode that does not easily obstruct the field of view of the user 202, for example, when the degree of brightness around the glasses-type device 200 is low.

For example, when the degree of brightness indicated by the brightness information is higher than a predetermined degree, the display control unit 310 compares the case where the degree of brightness indicated by the brightness information is lower than the predetermined degree. , to control the transparency of the content to be low. The display control unit 310 may perform control such that the higher the degree of brightness indicated by the brightness information, the lower the transmittance of the content. As a result, it is possible to prevent the content from becoming difficult to see when the surroundings of the user 202 are bright. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the degree of brightness indicated by the brightness information is higher than the predetermined degree, the transmittance is made lower than when the degree of brightness indicated by the brightness information is lower than the predetermined degree. You may control so that a transmittance|permeability may be made lower.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 compares the degree of brightness indicated by the brightness information with a case where the degree of brightness indicated by the brightness information is higher than the predetermined degree. to control the brightness of the content to be low. The display control unit 310 may perform control such that the lower the degree of brightness indicated by the brightness information, the lower the brightness of the content. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the level of brightness indicated by the brightness information is lower than the predetermined level, the brightness is lowered compared to when the level of brightness indicated by the brightness information is higher than the predetermined level, or the lower the level of brightness indicated by the brightness information, the lower the brightness. may be controlled to be lower.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 compares the degree of brightness indicated by the brightness information with a case where the degree of brightness indicated by the brightness information is higher than the predetermined degree. to place the content at a position far from the spectacles-type device 200 . The display control unit 310 may perform control such that the lower the degree of brightness indicated by the brightness information, the farther the content is placed. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the degree of brightness indicated by the brightness information is lower than the predetermined degree, the brightness indicated by the brightness information may be placed farther from the spectacles-type device 200 than when the degree of brightness indicated by the brightness information is higher than the predetermined degree. Control may be performed such that the lower the degree of distance, the farther the content is placed.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 compares the degree of brightness indicated by the brightness information with a case where the degree of brightness indicated by the brightness information is higher than the predetermined degree. to control the layout of the content outside the display area. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the degree of brightness indicated by the brightness information is lower than the predetermined degree, it may be controlled to be arranged further outside the display area than when the degree of brightness indicated by the brightness information is higher than the predetermined degree.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 compares the degree of brightness indicated by the brightness information with a case where the degree of brightness indicated by the brightness information is higher than the predetermined degree. to control the size of the content to be smaller. The display control unit 310 may control the size of the content to be smaller as the degree of brightness indicated by the brightness information is lower. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the brightness level indicated by the brightness information is lower than the predetermined level, the size of the dynamic display content is reduced compared to when the brightness level indicated by the brightness information is higher than the predetermined level. The lower the degree, the smaller the size of the dynamic display content may be controlled.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 performs control so that the content is simply displayed. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. If the degree is lower than a predetermined degree, control may be performed to display the content in a simple manner.

Further, for example, when the degree of brightness indicated by the brightness information is lower than a predetermined degree, the display control unit 310 displays only the fixed display content 230 out of the dynamic display content 220 and the fixed display content 230. may be controlled to

The determination unit 312 may determine the area where the eyeglass-shaped device 200 is located based on the location information of the eyeglass-shaped device 200 . For example, the determination unit 312 may determine whether the glasses-type device 200 is located in a safe area or a dangerous area. The safe area may be an area pre-registered as a safe area, and the dangerous area may be an area pre-registered as a dangerous area.

For example, the determination unit 312 refers to area information received in advance by the server communication unit 308 from the display control server 100 and indicates whether each of a plurality of areas is a safe area or a dangerous area, thereby determining whether the spectacles-type device 200 Determine the area in which it is located. Also, for example, the determination unit 312 transmits the position information of the spectacles-type device 200 to the display control server 100 via the server communication unit 308, and determines whether the spectacles-type device 200 is located in a safe area or a dangerous area. may be determined by receiving information indicating from the display control server 100 .

Also, the determination unit 312 may determine whether the area where the glasses-type device 200 is located is a safe area or a dangerous area by AI (Artificial Intelligence). The determination unit 312 may use information stored in the storage unit 302 to determine whether the area where the glasses-type device 200 is located is a safe area or a dangerous area.

The determination unit 312 determines whether the area where the eyeglasses-type device 200 is located is a safe area or a dangerous area based on an image captured by an imaging unit included in the eyeglasses-type device 200, for example. For example, the determination unit 312 can identify whether the target area is a safe area or a dangerous area by learning using a large number of captured images of safe areas and a large number of captured images of dangerous areas. A machine learning model may be used to determine whether the area in which the glasses-type device 200 is located is a safe area or a dangerous area. The machine learning model may be generated by the display control server 100 and transmitted from the display control server 100 to the glasses-type device 200, for example. Also, the glasses-type device 200 may generate the machine learning model.

The determination unit 312 determines whether the area in which the eyeglass-shaped device 200 is located is a safe area or a dangerous area, based on information output by the LiDAR included in the eyeglass-shaped device 200, for example. The determination unit 312 determines whether the area where the eyeglass-shaped device 200 is located is a safe area or a dangerous area based on various feature points around the eyeglass-shaped device 200 output by LiDAR, for example. The determination unit 312 can identify whether the target area is a safe area or a dangerous area by learning using, for example, a large number of safe area feature points and a large number of dangerous area feature points. A machine learning model may be used to determine whether the area in which the glasses-type device 200 is located is a safe area or a dangerous area. The machine learning model may be generated by the display control server 100 and transmitted from the display control server 100 to the glasses-type device 200, for example. Also, the glasses-type device 200 may generate the machine learning model.

The display control server 100 may determine whether the area where the glasses-type device 200 is located is a safe area or a dangerous area by AI (Artificial Intelligence). The display control server 100 receives the information stored in the storage unit 302 from the glasses-type device 200, and uses the information to determine whether the area where the glasses-type device 200 is located is a safe area or a dangerous area. You can judge whether A determination method by the display control server 100 may be the same as that of the determination unit 312 .

The display control section 310 may control the display mode of the content by the display section of the spectacle-type device 200 according to the area where the spectacle-type device 200 is located. The display control unit 310 controls the display position of the content within the display area of the display unit of the spectacles-type device 200 according to, for example, the area where the spectacles-type device 200 is located. As a specific example, the display control unit 310 arranges the content near the center of the display area when the spectacles-type device 200 is located in a safe place, and arranges the content near the center of the display area when the spectacles-type device 200 is located in a dangerous place. Controls placement of content near the edges of the display area. The edge may be the top edge. The edge may be the bottom edge. The end may be the left end. The end may be the right end. As a result, for example, when the user 202 is positioned in a dangerous place such as a station platform, the content can be displayed at the edge of the display area while avoiding the vicinity of the center of the display area. can contribute to improving the safety of

The display control unit 310 may perform control to increase the content transmittance when the spectacle-type device 200 is located in a dangerous place compared to when the spectacle-type device 200 is in a safe place. . Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is. In this case, the transmittance may be controlled to be higher than when the spectacles-type device 200 is positioned in a safe place.

Also, for example, when the eyeglass-type device 200 is located in a dangerous place, the display control unit 310 may be positioned farther from the eyeglass-type device 200 than when the eyeglass-type device 200 is located in a safe place. Control placement of content. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is. In this case, the eyeglass-type device 200 may be controlled to be placed farther from the eyeglass-type device 200 than when it is located in a safe place.

Also, for example, when the spectacles-type device 200 is located in a dangerous place, the display control unit 310 arranges the content outside the display area compared to when the spectacles-type device 200 is placed in a safe place. control to Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is. In this case, compared to the case where the spectacles-type device 200 is located in a safe place, it may be controlled to be placed outside the display area.

In addition, for example, the display control unit 310 controls the size of the content to be smaller when the spectacle-type device 200 is located in a dangerous place than when the spectacle-type device 200 is in a safe place. . Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is, and only for the dynamic display content 220, the degree of brightness indicated by the brightness information is set in advance. When the degree is lower than a predetermined degree, when the eyeglass-type device 200 is located in a dangerous place, the size can be controlled to be smaller than when the eyeglass-type device 200 is located in a safe place. good.

Further, for example, the display control unit 310 performs control to display content in a simplified manner when the glasses-type device 200 is located in a dangerous place. Of the dynamic display content 220 and the fixed display content 230, the display control unit 310 keeps the display of the fixed display content 230 as it is. In some cases, the content may be controlled to be simply displayed.

Further, for example, the display control unit 310 may control to display only the fixed display content 230 out of the dynamic display content 220 and the fixed display content 230 when the glasses-type device 200 is located in a dangerous place. good.

FIG. 5 schematically shows an example of the flow of processing by the display control device 300. As shown in FIG. Here, the display control device 300 receives the dynamic display content 220 registered in the area around the position of the glasses-type device 200 from the display control server 100, and displays the dynamic display content 220 according to the situation. A case will be described. Here, it is assumed that the fixed display content 230 is always displayed.

In step (the step may be abbreviated as S) 202 , the server communication unit 308 transmits the position information of the glasses-type device 200 to the display control server 100 . In S<b>204 , the server communication unit 308 receives the dynamic display content 220 registered in the area around the position of the glasses-type device 200 from the display control server 100 .

In S<b>206 , the information acquisition unit 306 acquires the field-of-view information of the spectacles-type device 200 . In S208, the display control unit 310 determines whether or not there is dynamic display content 220 to be displayed based on the visibility information. For example, if the dynamic display content 220 received from the display control server 100 includes the dynamic display content 220 corresponding to the area included in the field of view indicated by the field of view information, the display control unit 310 selects the display target. It is determined that there is dynamic display content 220 . If it is determined that there is, the process proceeds to S210, and if it is determined that there is no, the process proceeds to S216.

In S210, the determination unit 312 determines whether the user 202 is moving. If it is determined that the object is not moving, the process proceeds to S212, and if it is determined that the object is moving, the process proceeds to S214.

In S212, the display control unit 310 displays the dynamic display content 220 in the first display mode. The first display mode may be a display mode in which the dynamic display content 220 is displayed without modification.

In S214, the display control unit 310 displays the dynamic display content 220 in the second display mode. The second display mode may be a display mode that does not easily obstruct the field of view of the user 202 as described above.

In S<b>216 , the server communication unit 308 determines whether or not to execute update processing of the dynamic display content 220 . For example, if the server communication unit 308 has moved a predetermined distance or more after receiving the dynamic display content 220 last time, the server communication unit 308 determines to execute the update process, and determines that the update process is to be performed. If not, it is determined not to execute the update process. Further, for example, the server communication unit 308 determines that the update process is to be executed when a predetermined time has passed since the dynamic display content 220 was received last time, and the predetermined time has passed. If not, it is determined that update processing is not to be executed.

If it is determined not to execute the update process, the process returns to S206, and if it is determined to execute it, the process returns to S202. The process shown in FIG. 5 may be terminated according to an instruction by the user 202, for example. Here, an example of inquiring the display control server 100 about the dynamic display content 220 after moving a certain distance or after a certain period of time has passed has been described, but the present invention is not limited to this. The glasses-type device 200 may continuously transmit position information to the display control server 100 and continuously receive dynamic display content 220 from the display control server 100 .

FIG. 6 schematically shows an example of the flow of processing by the display control device 300. As shown in FIG. Here, points different from FIG. 5 will be mainly described.

In S<b>302 , the server communication unit 308 transmits the position information of the glasses-type device 200 to the display control server 100 . In S<b>304 , the server communication unit 308 receives the dynamic display content 220 registered in the area around the position of the glasses-type device 200 from the display control server 100 .

In S<b>306 , the information acquisition unit 306 acquires the field-of-view information of the spectacles-type device 200 . In S308, the display control unit 310 determines whether or not there is dynamic display content 220 to be displayed. If it is determined that there is, the process proceeds to S310, and if it is determined that there is not, the process proceeds to S314.

In S310, the information acquisition unit 306 acquires brightness information. In S312, the display control unit 310 controls to display the dynamic display content 220 in a display mode according to the brightness information acquired in S310.

In S<b>314 , the server communication unit 308 determines whether or not to execute update processing of the dynamic display content 220 . If it is determined not to execute the update process, the process returns to S306, and if it is determined to execute it, the process returns to S302.

FIG. 7 schematically shows an example of the flow of processing by the display control device 300. As shown in FIG. Here, points different from FIG. 5 will be mainly described.

In S<b>402 , the server communication unit 308 transmits the position information of the glasses-type device 200 to the display control server 100 . In S<b>404 , the server communication unit 308 receives the dynamic display content 220 registered in the area around the position of the glasses-type device 200 from the display control server 100 .

In S<b>406 , the information acquisition unit 306 acquires the field-of-view information of the glasses-type device 200 . In S408, the display control unit 310 determines whether or not there is dynamic display content 220 to be displayed. If it is determined that there is, the process proceeds to S410, and if it is determined that there is no, the process proceeds to S416.

In S410, the determination unit 312 determines whether the spectacles-type device 200 is located within the danger area. If it is determined that it is not located in the dangerous area, the process proceeds to S412, and if it is determined that it is located, the process proceeds to S414.

In S412, the display control unit 310 displays the dynamic display content 220 in the first display mode. In S414, the display control unit 310 displays the dynamic display content 220 in the second display mode.

In S<b>416 , the server communication unit 308 determines whether or not to execute update processing of the dynamic display content 220 . If it is determined not to execute the update process, the process returns to S406, and if it is determined to execute it, the process returns to S402.

In the above embodiment, the display control device 300 determines whether or not the user 202 is moving, and controls the display of content based on the determination result. Not exclusively. The display control server 100 may execute such processing. In this case, the display control server 100 may have configurations corresponding to the storage unit 302 , the information acquisition unit 306 , the display control unit 310 , and the determination unit 312 . The display control server 100 may be an example of a display control device.

The information acquisition unit of the display control server 100 may acquire various types of information from the glasses-type device 200 via the network 20 . The information acquisition unit of the display control server 100 may acquire position information, visibility information, moving speed information, and brightness information from the glasses-type device 200 .

Similar to the determination unit 312, the determination unit of the display control server 100 may determine whether the user 202 of the glasses-type device 200 is moving. Similar to the display control unit 310 , the display control unit of the display control server 100 may control display of content by the display unit of the glasses-type device 200 based on the determination result of the determination unit 312 . The display control unit of the display control server 100 may control display of content by the display unit of the spectacles-type device 200 by transmitting display instructions to the spectacles-type device 200 .

Similar to the display control unit 310, the display control unit of the display control server 100 may control display of content by the display unit of the glasses-type device 200 based on the brightness information.

The determination unit of the display control server 100 may determine the area where the eyeglasses-type device 200 is located based on the location information of the eyeglasses-type device 200, like the determination unit 312. FIG. The display control unit of the display control server 100, like the display control unit 310, may control the display mode of the content by the display unit of the eyeglasses-type device 200 according to the area where the eyeglasses-type device 200 is located.

In the above embodiment described with reference to FIGS. 1 to 7, the glasses-type device 200 has mainly been described as a transmissive (see-through) device, but the present invention is not limited to this. The spectacle device 200 may be a non-transmissive device. In this case, the spectacles-type device 200 always displays a captured image of the same range as the field of view of the user 202 on the non-transmissive display. The spectacles-type device 200 continuously transmits field-of-view information to the display control server 100, and under the control of the display control server 100, captures the same range as the field of view of the user 202, including the content in the captured image, Display on a non-transmissive display.

FIG. 8 schematically shows an example of a hardware configuration of a computer 1200 functioning as the display control device 300 or the display control server 100. As shown in FIG. Programs installed on the computer 1200 cause the computer 1200 to function as one or more "parts" of the apparatus of the present embodiments, or cause the computer 1200 to operate or perform operations associated with the apparatus of the present invention. Multiple "units" can be executed and/or the computer 1200 can be caused to execute the process or steps of the process according to the present invention. Such programs may be executed by CPU 1212 to cause computer 1200 to perform certain operations associated with some or all of the blocks in the flowcharts and block diagrams described herein.

Computer 1200 according to this embodiment includes CPU 1212 , RAM 1214 , and graphics controller 1216 , which are interconnected by host controller 1210 . Computer 1200 also includes input/output units such as communication interface 1222 , storage device 1224 , and IC card drives, which are connected to host controller 1210 via input/output controller 1220 . Storage devices 1224 may be hard disk drives, solid state drives, and the like. Computer 1200 also includes input/output units such as ROM 1230 and keyboard or touch panel, which are connected to input/output controller 1220 via input/output chip 1240 .

The CPU 1212 operates according to programs stored in the ROM 1230 and RAM 1214, thereby controlling each unit. Graphics controller 1216 retrieves image data generated by CPU 1212 into a frame buffer or the like provided in RAM 1214 or itself, and causes the image data to be displayed on display device 1218 .

Communication interface 1222 communicates with other electronic devices over a network. Storage device 1224 stores programs and data used by CPU 1212 within computer 1200 . The IC card drive reads programs and data from IC cards and/or writes programs and data to IC cards.

ROM 1230 stores therein programs that are dependent on the hardware of computer 1200, such as a boot program that is executed by computer 1200 upon activation. Input/output chip 1240 may also connect various input/output units to input/output controller 1220 via USB ports, parallel ports, serial ports, keyboard ports, mouse ports, and the like.

A program may be provided by a computer-readable storage medium such as an IC card. The program is read from a computer-readable storage medium, installed in storage device 1224 , RAM 1214 , or ROM 1230 , which are also examples of computer-readable storage media, and executed by CPU 1212 . The information processing described within these programs is read by computer 1200 to provide coordination between the programs and the various types of hardware resources described above. An apparatus or method may be configured by implementing information operations or processing according to the use of computer 1200 .

For example, when communication is performed between the computer 1200 and an external device, the CPU 1212 executes a communication program loaded into the RAM 1214 and sends communication processing to the communication interface 1222 based on the processing described in the communication program. you can command. Under the control of the CPU 1212, the communication interface 1222 reads the transmission data stored in the transmission buffer area provided in the RAM 1214, the storage device 1224, or a recording medium such as an IC card, and transmits the read transmission data to the network. Received data transmitted or received from a network is written in a receive buffer area or the like provided on a recording medium.

The CPU 1212 also causes the RAM 1214 to read all or necessary portions of files or databases stored in an external recording medium such as a storage device 1224 or an IC card, and performs various types of processing on the data on the RAM 1214. may be executed. CPU 1212 may then write back the processed data to an external recording medium.

Various types of information, such as various types of programs, data, tables, and databases, may be stored on recording media and subjected to information processing. CPU 1212 performs various types of operations on data read from RAM 1214, information processing, conditional decisions, conditional branching, unconditional branching, and information retrieval, which are described throughout this disclosure and are specified by instruction sequences of programs. Various types of processing may be performed, including /replace, etc., and the results written back to RAM 1214 . In addition, the CPU 1212 may search for information in a file in a recording medium, a database, or the like. For example, when a plurality of entries each having an attribute value of a first attribute associated with an attribute value of a second attribute are stored in the recording medium, the CPU 1212 selects the first attribute from among the plurality of entries. search for an entry that matches the specified condition of the attribute value of the attribute, read the attribute value of the second attribute stored in the entry, and thereby determine the first attribute that satisfies the predetermined condition An attribute value of the associated second attribute may be obtained.

The programs or software modules described above may be stored in a computer-readable storage medium on or near computer 1200 . Also, a recording medium such as a hard disk or RAM provided in a server system connected to a dedicated communication network or the Internet can be used as a computer-readable storage medium, whereby the program can be transferred to the computer 1200 via the network. offer.

The blocks in the flowcharts and block diagrams in this embodiment may represent steps in the process in which the operations are performed or "parts" of the apparatus responsible for performing the operations. Certain steps and "sections" may be provided with dedicated circuitry, programmable circuitry provided with computer readable instructions stored on a computer readable storage medium, and/or computer readable instructions provided with computer readable instructions stored on a computer readable storage medium. It may be implemented by a processor. Dedicated circuitry may include digital and/or analog hardware circuitry, and may include integrated circuits (ICs) and/or discrete circuitry. Programmable circuits, such as Field Programmable Gate Arrays (FPGAs), Programmable Logic Arrays (PLAs), etc., perform AND, OR, EXCLUSIVE OR, NOT AND, NOT OR, and other logical operations. , flip-flops, registers, and memory elements.

A computer-readable storage medium may comprise any tangible device capable of storing instructions to be executed by a suitable device, such that a computer-readable storage medium having instructions stored thereon may be illustrated in flowchart or block diagram form. It will comprise an article of manufacture containing instructions that can be executed to create means for performing specified operations. Examples of computer-readable storage media may include electronic storage media, magnetic storage media, optical storage media, electromagnetic storage media, semiconductor storage media, and the like. More specific examples of computer readable storage media include floppy disks, diskettes, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory) , electrically erasable programmable read only memory (EEPROM), static random access memory (SRAM), compact disc read only memory (CD-ROM), digital versatile disc (DVD), Blu-ray disc, memory stick , integrated circuit cards, and the like.

The computer readable instructions may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine dependent instructions, microcode, firmware instructions, state configuration data, or instructions such as Smalltalk, JAVA, C++, etc. any source or object code written in any combination of one or more programming languages, including object-oriented programming languages, and conventional procedural programming languages such as the "C" programming language or similar programming languages; may include

Computer readable instructions are used to produce means for a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, or programmable circuits to perform the operations specified in the flowchart or block diagrams. A general purpose computer, special purpose computer, or other programmable data processor, locally or over a wide area network (WAN) such as the Internet, etc., to execute such computer readable instructions. It may be provided in the processor of the device or in a programmable circuit. Examples of processors include computer processors, processing units, microprocessors, digital signal processors, controllers, microcontrollers, and the like.

Although the present invention has been described above using the embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments. It is obvious to those skilled in the art that various modifications or improvements can be made to the above embodiments. It is clear from the description of the scope of claims that forms with such modifications or improvements can also be included in the technical scope of the present invention.

The execution order of each process such as actions, procedures, steps, and stages in the devices, systems, programs, and methods shown in the claims, the specification, and the drawings is etc., and it should be noted that they can be implemented in any order unless the output of the previous process is used in the subsequent process. Regarding the operation flow in the claims, the specification, and the drawings, even if the description is made using "first," "next," etc. for convenience, it means that it is essential to carry out in this order. not a thing

10 system, 20 network, 100 display control server, 200 glasses-type device, 202 user, 210 display area, 220 dynamic display content, 230 fixed display content, 300 display control device, 302 storage unit, 304 processing execution unit, 306 information acquisition unit, 308 server communication unit, 310 display control unit, 312 determination unit, 400 communication terminal, 500 measuring device, 600 communication terminal, 1200 computer, 1210 host controller, 1212 CPU, 1214 RAM, 1216 graphic controller, 1218 display device, 1220 input/output controller, 1222 communication interface, 1224 storage device, 1230 ROM, 1240 input/output chip

Claims (7)

an information acquisition unit that acquires brightness information indicating the degree of brightness around the glasses-type device;
A display control unit that controls display of content by a display unit of the glasses-type device based on the brightness information, and when the degree of brightness indicated by the brightness information is lower than a predetermined degree, The spectacle-type device is configured to reduce the proportion of the content in the visual field of the wearer wearing the spectacle-type device, compared to when the degree of brightness indicated by the brightness information is higher than a predetermined degree. A display control device, comprising: a display control unit that controls display of the content so that the content appears to be positioned far from a device. The display control unit adjusts the content to be positioned farther from the spectacles-type device so that the proportion of the content in the field of view of the wearer decreases as the degree of brightness indicated by the brightness information decreases. 2. The display control device according to claim 1, which controls the display of the content so that it appears as if the content is displayed. When content is registered in an area near a building in the foreground and the degree of brightness indicated by the brightness information is higher than a predetermined degree, the display control unit determines that the content is located in the area. and controlling the display of the content so that it appears as if the wearer is wearing the content, and when the degree of brightness indicated by the brightness information is lower than the predetermined degree, the proportion of the content in the field of view of the wearer is reduced. 3. The display control device according to claim 1, which controls display of the content so that the content appears to be located in an area near a building in the back. The display unit displays fixed display content that is fixedly displayed at a predetermined position in the display area and dynamic display content that changes the display position in the display area,
The display control device according to any one of claims 1 to 3, wherein the display control section controls display of the dynamic display content by the display section based on the brightness information. an information acquisition unit that acquires position information indicating the position of the glasses-type device;
a determination unit that determines an area in which the eyeglass-type device is located based on the position information, the determination unit determining whether the eyeglass-type device is located in a safe area or a dangerous area;
A display control unit for controlling a display mode of content by a display unit of the eyeglass-type device according to an area in which the eyeglass-type device is located, wherein when the eyeglass-type device is located in the dangerous area, the eyeglass-type device is positioned in the dangerous area. The content is located far from the eyeglass-type device so as to reduce the percentage of the content in the field of view of the wearer wearing the eyeglass-type device compared to when the device is located in the safe area. a display control unit that controls display of the content so that it appears as if the content is displayed. A program for causing a computer to function as the display control device according to any one of claims 1 to 5. a display control device according to any one of claims 1 to 5;
A system comprising: the eyeglass-type device;

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