CN202205354U - Vehicle-mounted terminal - Google Patents
Vehicle-mounted terminal Download PDFInfo
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- CN202205354U CN202205354U CN2011203023562U CN201120302356U CN202205354U CN 202205354 U CN202205354 U CN 202205354U CN 2011203023562 U CN2011203023562 U CN 2011203023562U CN 201120302356 U CN201120302356 U CN 201120302356U CN 202205354 U CN202205354 U CN 202205354U
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Abstract
The utility model relates to a vehicle-mounted terminal which comprises an information acquisition device, a picture identification circuit and a prompt device, wherein, the information acquisition device is used for acquiring traffic signal information; the picture identification circuit is used for recognizing the traffic signal information; and the prompt is used for giving out a prompt according to the recognition results of the picture identification circuit. The vehicle-mounted terminal can recognize the color of the traffic signal effectively and conveniently at a low cost, thereby ensuring the driving safety of a color-blind person.
Description
Technical field
The utility model relates to automotive field, particularly relates to a kind of car-mounted terminal.
Background technology
Existing intersection traffic signal lamp system; It generally is the situation of utilizing red greenish-yellow three kinds of signal lamps to indicate all directions at crossing to pass through; Any or add that the arrow signal lamp indicates can towards (a bit) individual direction running; The crossing that has traffic for ease also is equipped with the countdown excess time display board that red light is waited for and green light is current on the indication lamp bracket.Traffic lights have become necessary tool in traffic driving safety and the transport hub.Traffic lights (red greenish-yellow lamp) are being warned pedestrian or its implication of motorist because it significantly indicates.And for the colour blindness that drives a car (anomalous trichromatism) personage, just can't differentiate traffic lights when crossing traffic intersection, be very easy to cause traffic hazard like this.Though the highway section that has now is equipped with the traffic lights that can report to the police, the voice suggestion pedestrian is arranged when red light, most highway section does not have this equipment.
Because colour blindness or tritanope drive a car and can bring traffic safety hidden danger; Therefore traffic law does not allow colour blindness (anomalous trichromatism) personage to drive a car, but colour blindness (anomalous trichromatism) person drives in the actual conditions situation or ubiquity, and along with automobile is more and more universal; Driving a car is a kind of needs of daily life; " the colour blindness taboo is driven " regulation is removed and is become a reality probably, and the needs for stipulating satisfied future " the colour blindness taboo is driven " to remove are necessary to support technically.
Following several types of solutions generally are provided in the prior art:
(1) existing traffic lights is changed into the traffic lights of being with pattern identification.For example, the traffic lights that original simple red, green, yellow three colour cells become add and have " * ", " Δ ", " O " figures sign.But this scheme does not have unified standard in the whole nation, even under the unified situation of standard, practical implementation gets up to need to change the traffic lights of nationwide, and cost is high, and the cycle is long, so difficulty is bigger.
(2) wear achromatopsia-correcting glasses.On eyeglass, carry out special coating film treatment, make it to have the function that the certain wavelength light wave of interception sees through, to long wave elder transmissive, the elder is reflected to shortwave, and the colour blindness personage who wears these glasses just can differentiate the color difference of red green.But this technical scheme is not adapted at the use of daily life, because can influence the judgement to realistic colour, and actual effect also varies with each individual, and is not too suitable in reality is driven yet.
(3) computer color compensation technique.The image taking of traffic lights is got off; Compensate through the color of computing machine then image; Promptly adopt color seperation with the unified replacement of the designated color in the image or be compensated for as the color of user's appointment, for example with green replace with blueness, redness replaces with black etc.But after color replaced the entire image color is changed; Different with the color of human pilot custom; And then influence the judgement of human pilot to realistic colour, or need human pilot that being seen pattern and reality are compared, cause big inconvenience; And this scheme is invalid to panchromatic achromate.
Therefore, technique scheme all has shortcoming separately, can't practical requirement.
But correlation technique also application reference number is 201010127770.4 Chinese invention patent application disclosed a kind of colour blindness or tritanope's DAS (Driver Assistant System) based on image recognition technology.
Summary of the invention
The utility model technical matters to be solved provides a kind of car-mounted terminal, can realize the identification to the traffic lights color effective, convenient, at low cost.
The utility model solves the technical scheme that its technical matters adopted: a kind of car-mounted terminal is provided, comprises the information collecting device, image recognition circuit and the suggestion device that link to each other successively; Said information collecting device is used to gather traffic lights information; Said image recognition circuit is to be used for image recognition circuit that said traffic lights information is discerned; Said suggestion device is used for sending prompting based on the recognition result of said image recognition circuit.
Said information collecting device is camera head or sensor devices.
Said image recognition circuit adopts the SPCA563B chip to constitute.
Said information collecting device is to be used to receive the wireless signal receiving trap from the wireless signal of traffic lights, and said wireless signal is represented the traffic lights color.
Said suggestion device is the on-vehicle navigation apparatus of when being used for traffic navigation the traffic lights color being pointed out.
Said suggestion device is the sound prompt device that is suitable for sending the navigation speech prompting.
Said suggestion device is one or more combinations in text prompt device, image prompt device, auditory tone cues device, the visual prompts device.
Said information collecting device is arranged on the top or instrument desk of vehicle, towards the place ahead of vehicle.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; Have following advantage and good effect: the utility model is through collection, identification to traffic lights information; And the results suggest after will discerning gives the car steering person of colour blindness (anomalous trichromatism), and the colour blindness driver can be driven a car safely, thus the traffic safety when guaranteeing that the colour blindness driver drives a vehicle.Adopt wireless signal to receive and discern simultaneously to expression traffic lights color; Realized identification more accurately and efficiently to the traffic lights color; And can will combine with traffic navigation to collection, the identification mode of traffic lights information; Result after will discerning through on-vehicle navigation apparatus points out to the colour blindness driver, thereby makes traffic navigation have more hommization.
Description of drawings
Fig. 1 is the structural representation of the utility model car-mounted terminal;
Fig. 2 is a kind of embodiment synoptic diagram of the utility model car-mounted terminal;
Fig. 3 is the structural representation of the image recognition circuit of the utility model car-mounted terminal;
Fig. 4 is the another kind of embodiment synoptic diagram of the utility model car-mounted terminal.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Fig. 1 is the structural representation of the car-mounted terminal that provides of the utility model.Consult Fig. 1; Said car-mounted terminal; Comprise: the information collecting device that is used to gather traffic lights information; Be used to connect said information collecting device, to the image recognition circuit that said traffic lights information is discerned, be used to the suggestion device that connects said image recognition circuit, sends prompting based on the recognition result of said image recognition circuit.
With specific embodiment the car-mounted terminal that the utility model provides is elaborated below.
Fig. 2 is a kind of embodiment synoptic diagram of the car-mounted terminal that provides of the utility model.In conjunction with Fig. 1 and Fig. 2; In the present embodiment; Said information collecting device is camera head or sensor devices (ccd sensor or cmos sensor); For example be a DV or digital camera, said traffic lights information is the image information that comprises traffic lights, for example is taken video of DV or digital camera or image.Said information collecting device can be arranged on the top or instrument desk of vehicle, and towards the place ahead of vehicle to gather said traffic lights information.
Particularly; Colour blindness (anomalous trichromatism) driver when driving; When process is provided with the crossing of traffic lights; Can start said information collecting device, said information collecting device is taken the situation of vehicle front, and the image information that photographs (video or image) is sent to said image recognition circuit discerns.As shown in Figure 3, said image recognition circuit adopts the SPCA563B chip to constitute, and wherein, color processor and characteristic extraction engine are used for extracting the traffic lights color characteristic and extraction traffic lights shape facility of said image information.Particularly; After the image information that comprises traffic lights (video or image) that said information collecting device will collect is sent to said image recognition circuit; Said color processor is extracted the traffic lights color characteristic in the said image information earlier; For example extract with green portion red in the said image information, and then extract the traffic lights shape facility by said characteristic extraction engine based on said traffic lights color characteristic, the shape facility that for example said color processor is extracted redness and green portion extracts; (the general shapes of traffic lights) if not circle; Then judge not have traffic lights in this image information, can reject like this in the said image information and the pattern of traffic lights with color, for example interfering objects such as building, image decoration, billboard.
For instance; As shown in Figure 2; If what said information collecting device 10 collected is image information 101, include the image of traffic lights in the image information 101, if current that light is traffic lights 101a; And the color of this signal lamp is red (illustrating with oblique line among Fig. 2); Can extract this part color characteristic of said traffic lights 101a after the said color processor identification, extract the traffic lights shape facility by said characteristic extraction engine based on said traffic lights 101a color characteristic again, because the shape that extracts meets the shape facility of circle (or approaching circle); Then judge the image that comprises traffic lights in the image information 101, the final said color characteristic that combines to extract can draw the recognition result of the color of current traffic lights for redness.
If what said information collecting device 10 collected is image information 102; Said color processor extracts back (supposing it is red) with color characteristic; Obtain the pattern 102a in the image information 102; Extract its shape facility by said characteristic extraction engine based on this pattern 102a again,, then draw the recognition result that does not comprise the image of traffic lights in the said image information 102 because the shape that extracts does not meet the shape facility of circle (or approaching circle).When the recognition result of said image recognition circuit when not comprising the image of traffic lights, then need said information collecting device again said traffic lights information to be gathered.In addition; If the image information that said information collecting device collects; After said color processor is extracted color characteristic, unidentifiedly go out any traffic lights color characteristic, then directly draw the recognition result that does not comprise the image of traffic lights in the said image information.
After said image recognition circuit was discerned said image information, the result after based on the identification of said image recognition circuit sent prompting to the colour blindness driver by said suggestion device.Said suggestion device can be one or more combinations in text prompt device, image prompt device, auditory tone cues device, the visual prompts device; For example; If the traffic lights color in the place ahead, identification back is red; Then can on the display screen of mobile unit, show the literal of " redness ", also can send the auditory tone cues of expression " redness " etc. simultaneously.Guaranteed the traffic safety when colour blindness driver drives a vehicle thus.
Because for the quality of the said image information that said information collecting device collected and the recognition capability of said image recognition circuit certain requirement is arranged all in the present embodiment, for this reason, the utility model also provides the another kind of embodiment of said car-mounted terminal.
Fig. 4 is the another kind of embodiment synoptic diagram of the car-mounted terminal that provides of the utility model.In conjunction with Fig. 1 and Fig. 4, in the present embodiment, said information collecting device 10 is for to be used to receive the wireless signal receiving trap from the wireless signal of traffic lights, and said wireless signal is represented the traffic lights color.Can be through the wireless signal transmitting device 202 of the said wireless signal of emission be set on traffic lights 201; The transmit direction of said wireless signal transmitting device 202 and traffic lights 201 towards consistent; The emission of said wireless signal can trigger through the control circuit of traffic lights 201; For example, when the red traffic lights of said control circuit control light, can trigger said wireless signal transmitting device 202 emissions one expression traffic lights color simultaneously and be red wireless signal.Said wireless signal transmitting device 202 specifically can be chosen the less infrared radio sender unit of emissive power less (transmitting range is less) and transmit direction angle; Thereby phase mutual interference between the wireless signal that the wireless signal transmitting device that can avoid being provided with on the different traffic lights in the road is launched; At this moment, said wireless signal is the infrared radio signal.
Said information collecting device 10 can be arranged on the top or instrument desk of vehicle, gathers traffic lights information towards the place ahead of vehicle with reception.In the present embodiment, said traffic lights information is the said wireless signal of expression traffic lights color.Particularly; As shown in Figure 4; If current light for traffic lights 201a; And the color of this signal lamp is red (illustrating with oblique line among Fig. 4), and be red wireless signal by said wireless signal transmitting device 202 emissions one expression traffic lights color this moment, and the said wireless signal receiving trap on the car-mounted terminal receives said wireless signal; And send said image recognition circuit to and discern, the result of said suggestion device after based on said signal recognition unit identification sends prompting to the colour blindness driver.Said suggestion device can be one or more combinations in text prompt device, image prompt device, auditory tone cues device, the visual prompts device; For example; If the traffic lights color in the place ahead, identification back is red; Then can on the display screen of mobile unit, show the literal of " redness ", also can send the auditory tone cues of expression " redness " etc. simultaneously.Guaranteed the traffic safety when colour blindness driver drives a vehicle thus.In the present embodiment, adopt wireless signal to receive and discern, can realize identification more accurately and efficiently the traffic lights color to expression traffic lights color.
In above-mentioned arbitrary embodiment, said suggestion device is preferably the on-vehicle navigation apparatus of when being suitable for traffic navigation the traffic lights color being pointed out, and is specially the sound prompt device that is suitable for sending the navigation speech prompting.Become more and more general owing in automobile, be equipped with on-vehicle navigation apparatus at present; Yet existing on-vehicle navigation apparatus is not pointed out the color of traffic lights when carrying out traffic navigation for the user, so still can not solve colour blindness driver judgement for the traffic lights color in driving.Thus, the inventor finds, if the utility model is applied in the vehicle mounted guidance, then can solve colour blindness driver identification for the traffic lights color in driving, and can bring the driver better traffic navigation experience.During practical implementation, the result after said image recognition circuit will be discerned sends said suggestion device to, sends the navigation speech prompting by said suggestion device.For example, if the result after the said identification be the traffic lights color in the place ahead for red, then send the voice suggestion of " the place ahead is a red light " by said suggestion device.
To sum up, the car-mounted terminal that the utility model provides has following beneficial effect at least:
Through collection, the identification to traffic lights information, and the results suggest after will discerning gives the car steering person of colour blindness (anomalous trichromatism), and the colour blindness driver can be driven a car safely, thus the traffic safety when guaranteeing that the colour blindness driver drives a vehicle.
Employing receives and discerns the wireless signal of expression traffic lights color, has realized the identification to the traffic lights color more accurately and efficiently.
To collection, the identification mode of traffic lights information be combined with traffic navigation, the result after will discerning through on-vehicle navigation apparatus points out to the colour blindness driver, thereby makes traffic navigation have more hommization.
Claims (8)
1. a car-mounted terminal is characterized in that, comprises the information collecting device, image recognition circuit and the suggestion device that link to each other successively; Said information collecting device is used to gather traffic lights information; Said image recognition circuit is to be used for image recognition circuit that said traffic lights information is discerned; Said suggestion device is used for sending prompting based on the recognition result of said image recognition circuit.
2. car-mounted terminal according to claim 1 is characterized in that, said information collecting device is camera head or sensor devices.
3. car-mounted terminal according to claim 1 is characterized in that, said image recognition circuit adopts the SPCA563B chip to constitute.
4. car-mounted terminal according to claim 1 is characterized in that, said information collecting device is to be used to receive the wireless signal receiving trap from the wireless signal of traffic lights, and said wireless signal is represented the traffic lights color.
5. car-mounted terminal according to claim 1 is characterized in that, said suggestion device is the on-vehicle navigation apparatus of when being used for traffic navigation the traffic lights color being pointed out.
6. car-mounted terminal according to claim 5 is characterized in that, said suggestion device is the sound prompt device that is suitable for sending the navigation speech prompting.
7. car-mounted terminal according to claim 1 is characterized in that, said suggestion device is one or more combinations in text prompt device, image prompt device, auditory tone cues device, the visual prompts device.
8. car-mounted terminal according to claim 1 is characterized in that, said information collecting device is arranged on the top or instrument desk of vehicle, towards the place ahead of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203023562U CN202205354U (en) | 2010-12-16 | 2011-08-19 | Vehicle-mounted terminal |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020665102.2 | 2010-12-16 | ||
| CN201020665102 | 2010-12-16 | ||
| CN2011203023562U CN202205354U (en) | 2010-12-16 | 2011-08-19 | Vehicle-mounted terminal |
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| Publication Number | Publication Date |
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| CN202205354U true CN202205354U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203023562U Expired - Lifetime CN202205354U (en) | 2010-12-16 | 2011-08-19 | Vehicle-mounted terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295411A (en) * | 2012-12-27 | 2013-09-11 | 天津森宇科技发展有限公司 | Signal lamp monitoring and prompting device in process of driving |
| CN103366591A (en) * | 2013-06-28 | 2013-10-23 | 宁夏新航信息科技有限公司 | Traffic light automatic safety prompting method |
| CN103680176A (en) * | 2012-09-18 | 2014-03-26 | 中国移动通信集团公司 | Signal identification system based on position information |
| CN104361759A (en) * | 2014-10-31 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Signal lamp identification system and method |
| CN104537857A (en) * | 2014-12-11 | 2015-04-22 | 广东好帮手电子科技股份有限公司 | Reminding method and system for recognizing traffic lights on basis of automobile video recorder |
| CN105959526A (en) * | 2016-06-22 | 2016-09-21 | 贵州万臻时代通讯技术有限公司 | Glasses and system used for color identification |
| CN108257401A (en) * | 2018-01-31 | 2018-07-06 | 张转 | The device and method that automobile is avoided not see traffic lights because of direct sunlight |
-
2011
- 2011-08-19 CN CN2011203023562U patent/CN202205354U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680176A (en) * | 2012-09-18 | 2014-03-26 | 中国移动通信集团公司 | Signal identification system based on position information |
| CN103680176B (en) * | 2012-09-18 | 2016-04-27 | 中国移动通信集团公司 | The signal lamp recognition system of position-based information |
| CN103295411A (en) * | 2012-12-27 | 2013-09-11 | 天津森宇科技发展有限公司 | Signal lamp monitoring and prompting device in process of driving |
| CN103366591A (en) * | 2013-06-28 | 2013-10-23 | 宁夏新航信息科技有限公司 | Traffic light automatic safety prompting method |
| CN104361759A (en) * | 2014-10-31 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | Signal lamp identification system and method |
| CN104537857A (en) * | 2014-12-11 | 2015-04-22 | 广东好帮手电子科技股份有限公司 | Reminding method and system for recognizing traffic lights on basis of automobile video recorder |
| CN105959526A (en) * | 2016-06-22 | 2016-09-21 | 贵州万臻时代通讯技术有限公司 | Glasses and system used for color identification |
| CN108257401A (en) * | 2018-01-31 | 2018-07-06 | 张转 | The device and method that automobile is avoided not see traffic lights because of direct sunlight |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
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| CX01 | Expiry of patent term |