CN109920262A - Traffic light identification system - Google Patents
Traffic light identification system Download PDFInfo
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- CN109920262A CN109920262A CN201910151832.6A CN201910151832A CN109920262A CN 109920262 A CN109920262 A CN 109920262A CN 201910151832 A CN201910151832 A CN 201910151832A CN 109920262 A CN109920262 A CN 109920262A
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- 239000011521 glass Substances 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 201000007254 color blindness Diseases 0.000 abstract description 6
- 206010039203 Road traffic accident Diseases 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 208000006992 Color Vision Defects Diseases 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 239000003086 colorant Substances 0.000 description 8
- 208000036693 Color-vision disease Diseases 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The traffic light identification system provided by the invention comprises a running vehicle, glasses and integrated components. The integrated component comprises an optical sensor, a microprocessor, a signal input module and a signal output module. The top of the running vehicle is provided with integrated components, the glasses are provided with a Bluetooth integrated audio player and a display device, the output end of an optical sensor at the top of the running vehicle is connected with the input end of a microprocessor, the output end of the microprocessor at the top of the running vehicle is connected with the input end of a signal input module, the output end of the signal input module is connected with the input end of a signal output module, and the signal output module is in wireless connection with the glasses. The traffic light monitoring system can help color blindness people to quickly identify the traffic light, can reduce the pressure of traffic control departments on maintenance and monitoring of the traffic light, avoids the risk of traffic accidents caused by the damage of the traffic light, is energy-saving and environment-friendly, saves electricity, and can solve the problem of endurance of electronic products.
Description
Technical field
The present invention relates to field of traffic more particularly to a kind of traffic lights identifying systems.
Background technique
Colour blindness personage leads to not be admitted to driving license or influences normal trip due to that can not identify traffic lights.Visible
Spend it is low in the case where, can not visually see the color of traffic lights, traffic accident easily occur.Along with acquiring a large amount of pictures
The problem of not applied well again after data, while considering to solve electronic product continuation of the journey simultaneously again based on energy conservation and environmental protection power saving
Problem.
Summary of the invention
The present invention leads to not be admitted to driving license or influence just to solve colour blindness personage due to that can not identify traffic lights
Often trip, naked eyes the problem of can not seeing traffic lights color in the case where visibility is low, with acquiring a large amount of pictures
The problem of not applied well again after data, while considering to solve electronic product continuation of the journey simultaneously again based on energy conservation and environmental protection power saving
Problem.
In order to achieve the above object, the present invention provides traffic lights identifying system, including driving vehicle, further includes glasses, collection
At component；The integrated component includes optical sensor, microprocessor, signal input module, signal output module；
The top of the driving vehicle is equipped with the integrated component；It is played on the glasses equipped with bluetooth integrated audio
Device, display device and battery；
The output end of the optical sensor in the integrated component is connect with the input terminal of the microprocessor；
The output end of the microprocessor is connect with the input terminal of the signal input module；The output end of the signal input module
It is connect with the input terminal of the signal output module；The signal output module and the glasses are wirelessly connected；
The microprocessor preset configuration of the driving vehicle often uses traffic lights graphic data base；It is handed in front of vehicle distances
The distance of logical lamp is less than the first pre-determined distance, the figure of the optical sensor acquisition upcoming traffic lamp on driving vehicle top
Picture acquires the RGB image of upcoming traffic lamp, identifies the status information of Current traffic lamp, and by bluetooth that the identification is current
The status information of traffic lights is sent to the glasses, and the status information of Current traffic lamp is converted to corresponding figure by the glasses
Interface plays and corresponding voice messaging plays；
It wherein, is being more than second pre- apart from next traffic lights crossing by the navigation data of GPS positioning combination driving vehicle
If apart from when, adjusting the integrated component is standby mode；When apart from next traffic lights crossing less than the first pre-determined distance,
It is switched to operating mode and starts to acquire the image of traffic lights；
Wherein, the driving vehicle includes long distance wireless charging unit, is when under the integrated component standby mode
The battery charging of the integrated component increases continuation of the journey, while charging to the battery last of the glasses；
Wherein, it will be uploaded to traffic control department after the status information of the identification Current traffic lamp and current time matches, with
The traffic light systems of traffic control department carry out timing comparison, to judge the accuracy of traffic lights；It is compared by mass data in error
When more than certain threshold value, gives warning in advance and repair corresponding traffic lights in advance.
In a preferred embodiment, first pre-determined distance is 10~15 meters；Second pre-determined distance is
2000 meters or more；The third pre-determined distance is 100~500 meters.
In a preferred embodiment, the RGB image of upcoming traffic lamp, the state letter of identification Current traffic lamp are acquired
Breath includes reading RGB image array third position, indicates that the RGB image of the upcoming traffic lamp is English character R when being 1,
English character G is indicated when being 2, and English character Y is indicated when being 3.
In a preferred embodiment, the RGB image of upcoming traffic lamp, the state letter of identification Current traffic lamp are acquired
Breath further includes the indicating lamps ocra font ocr that current traffic signal indicating lamp is determined with character mode, the character mode be with
English character R represents red light, Y represents amber light, G represents the mode of green light and determines the type of the front red, yellow, and green lamp.
In a preferred embodiment, voice messaging plays, specific work process are as follows: the bluetooth integrated audio is broadcast
Three kinds of voice messagings broadcasting that traffic lights has been preset in device and display device is put, it is red light that image recognition, which comes out, then triggers voice
Corresponding switch in information broadcasting, casting is currently red light；It is green light that image recognition, which comes out, then triggers voice messaging broadcasting and work as
In corresponding switch, casting is currently green light；It is amber light that image recognition, which comes out, then triggers corresponding in voice messaging broadcasting open
It closes, casting is currently amber light.
It in a preferred embodiment, further include that voice broadcast traffic lights color corresponds to row in voice messaging broadcasting
Into the instruction in direction.
In a preferred embodiment, while voice messaging plays, the state of traffic lights is corresponded to row
It sails and is shown in the traffic lights figure shown in vehicle displays.
As shown in the above, the beneficial effects of the present invention are, solve colour blindness personage due to that can not identify traffic lights,
And lead to not the puzzlement for being admitted to driving license, and colour blindness personage can normally go on a journey.
In the case where visibility is low, traffic lights identifying system provided by the invention can identify that naked eyes can not see friendship
The color of logical lamp, reduces traffic accident, has ensured the life security of people, while also providing convenience for trip of driving.
The present invention can also reduce traffic control department for the pressure of traffic lights maintenance monitoring while avoid causing traffic since traffic lights damages
The risk of accident, while power saving also can solve the problem of electronic product is continued a journey to energy conservation and environmental protection again.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the functional block diagram of traffic lights identifying system in one embodiment of the present invention；
Fig. 2 is the work flow diagram of traffic lights identifying system in one embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.Since 1 framework of attached drawing is fairly simple therefore the description of unbonded label.
Referring to attached drawing 1-2, in one embodiment of the present invention, the traffic lights identifying system provided, including driving vehicle,
It further include glasses, integrated component.Integrated component includes optical sensor, microprocessor, signal input module, signal
Output module.The top of driving vehicle is equipped with integrated component, and bluetooth integrated audio player and display device are housed on glasses.
The output end of optical sensor in the integrated component on driving vehicle top and the input terminal of microprocessor connect
It connects, the output end of the microprocessor on driving vehicle top and the input terminal of signal input module connect, signal input module
Output end and the input terminal of signal output module connect, the output end and glasses bluetooth integrated audio player of signal output module
And display device connection.
The above-mentioned microprocessor preset configuration that colour blindness personnel drive on vehicle often uses traffic lights graphic data base, in vehicle
It will be by the traffic lights graphic data base in processor at ten meters before upcoming traffic signal lamp, on upcoming traffic lamp and vehicle
Quick comparison finds out the traffic lights currently observed.
It wherein, is being more than 2000 meters apart from next traffic lights crossing by the navigation data of GPS positioning combination driving vehicle
Or more when, adjusting integrated component is standby mode；When apart from next traffic lights crossing less than 200 meters, it is switched to work
Mode.Realize that energy saving is realized in standby and operating mode switching by location information with this.
When solving the problems, such as continuation of the journey, driving vehicle includes long distance wireless charging unit, when under integrated component standby mode
Increase continuation of the journey to integrate the battery charging of component, while charging to the battery last of glasses.
In the reasonable related data for utilizing acquisition, after status information and the current time matches that will identify Current traffic lamp
It is uploaded to traffic control department, timing is carried out with the traffic light systems of traffic control department and compares, to judge the accuracy of traffic lights；By big
Data comparison is measured when error is more than certain threshold value, gives warning in advance and repairs corresponding traffic lights in advance, reduces traffic control department for handing over
The pressure of logical lamp maintenance monitoring avoids damaging the risk for causing traffic accident due to traffic lights simultaneously.
Traffic lights identifying system specific work process are as follows: the optical sensor on driving vehicle top photographed upcoming traffic lamp
Image, acquire upcoming traffic signal lamp RGB image.The RGB image of optical sensor acquisition upcoming traffic signal lamp is led to
It crosses output end and is sent to microprocessor input terminal, in the common traffic lights graphic data base of microprocessor preset configuration
Red, yellow, and green lamp color template compares, and reads the RGB image array of upcoming traffic signal lamp, reads the third of RGB image array
Position indicates that the RGB image of upcoming traffic signal lamp is English character R, English character G is indicated when being 2, indicates English when being 3 when being 1
Chinese character Y judges that the traffic signals instruction of front reddish yellow green light, traffic signals instruction pass through microprocessor in this way
Output end is sent to signal input module input terminal.Optical sensor on driving vehicle top photographed the image of upcoming traffic lamp
And the RGB image of traffic lights being acquired, and then judge the traffic signals instruction of front reddish yellow green light, this process has used color
Color recognizer, this algorithm course of work are as follows:
Images to be recognized is subjected to denoising, obtains pretreatment image.Furthermore it is possible to which the image after denoising is turned
It is changed to the image of rgb space.For images to be recognized to be converted to the image of rgb space, come at this time from the identification degree of human eye
It sees, the image for converting front and back is absolutely not distinguished, and the purpose of conversion is can to reduce the difficulty of computer identification color, makes algorithm
Color can be identified in the less space of color.
Edge detection is carried out to pretreatment image, obtains edge pixel point.
Color imperceptible for human eye, most of marginal portion for being all present in image, it is therefore desirable to detect figure
The edge pixel point of picture is to carry out subsequent processing.Image Edge-Detection is the prior art, is not described in detail herein.
First area is determined according to the edge pixel point.
Specifically, by centered on edge pixel point, the region other than surrounding presetted pixel number is determined as first area.Example
Such as, after detecting edge pixel point, centered on edge pixel point, taking presetted pixel number is 3, then by around edge pixel point 3
The region of × 3 pixels is considered as edge pixel point region, and the region other than edge pixel point region is determined as first area, also
It is non-edge pixels point region.(255,255,255) can be set by the RGB color value in edge pixel point region, after being convenient for
Continuous processing non-edge pixels point.
Calculate the distance of the color value of any two kinds of colors in the first area.
For example, the color value of all colours of rgb space can be converted to the color value in the space LAB, then calculate again
The Euclidean distance of any two kinds of color values.The pixel number of each color is constant after conversion.LAB color space is than rgb color sky
Between closer to human vision.It is calculated on rgb color space, the premise of color identification can be met to greatest extent, i.e.,
Identify the number of colours for meeting eye recognition.In non-edge pixels point region, calculated according to the sequence of color value from more to less
The distance of the color value of any two kinds of colors in the space LAB.First is calculated according to the sequence of color value from more to less according to formula
The distance of LAB value (L1*, a1*, the b1*) and (L2*, a2*, b2*) of any two kinds of colors in region, wherein L1*, a1*, b1*
And L1*, a1*, b1* are respectively the value in three channels of the LAB color space of two kinds of colors.The color spaces such as LAB, HSB, YUV
It is all the color space that human eye can perceive.
Two kinds of colors that the distance is less than preset first threshold are determined as one group of Similar color.
For example, preset first threshold be 0.004, when on LAB color space two kinds of colors (L1*, a1*, b1*) and
(L2*, a2*, b2*) away from
From Δ E*ab=(L2*-L1*) 2+ (a2*-a1*) 2+ (b2*-b1*) 2<0.004 ,]]>then (L1*, a1*, b1*) and
(L2*, a2*, b2*) is one group of Similar color.It should be noted that calculating distance, weighing apparatus using the color value in different color space
The preset threshold for measuring color similarity degree is different.
The more color of pixel number in every group of Similar color is identified as color of object.
For example, the LAB value of one group of Similar color is respectively (L1*, a1*, b1*) and (L2*, a2*, b2*), corresponding pixel
Number is respectively c1* and c2* (c1* ﹥ c2*), then the color of object finally identified is the color that LAB value is (L1*, a1*, b1*).
Set the sum of the pixel number of every group of Similar color to the pixel number of the color of object.
Such as the example in step 106, the LAB value of the color of object finally identified is (L1*, a1*, b1*), and pixel number is
c1*+c2*.To judge upcoming traffic signal designation, and it is sent to signal input module input terminal.
The traffic for the front reddish yellow green light by color recognition algorithm process that signal input module input terminal receives is believed
Number instruction, the front red, yellow, and green lamp is determined in such a way that English character R represents red light, Y represents amber light, G represents green light
Type, and then determine which kind of signal lamp is the traffic signals be designated as, letter is sent to by signal input module output end
Number output module input terminal.The information of signal lamp is sent to the bluetooth of glasses by bluetooth by signal output module output end
Integrated audio player and display device have preset three kinds of displays of traffic lights in bluetooth integrated audio player and display device
Voice broadcast, it is red light that image recognition, which comes out, then triggers corresponding switch in voice broadcast, casting is currently red light.Image
It identifies as green light, then triggers corresponding switch in voice broadcast, casting is currently green light.It is yellow that image recognition, which comes out,
Lamp, then trigger corresponding switch in voice broadcast, and casting is currently amber light.The state of traffic lights is corresponded to vehicle simultaneously
In the traffic lights figure shown in display screen, i.e., if traffic lights current state be from left to right be red light, green light, amber light,
Then traffic lights figure is successively shown as R/G/Y in sequence in vehicle display.It is added at this point, voice then broadcasts traffic lights color
The instruction of direction of travel, such as keep straight on green light passage, left changing lane red parking.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of traffic lights identifying system, including driving vehicle, which is characterized in that further include: glasses, integrated component；It is described
Integrated component includes optical sensor, microprocessor, signal input module, signal output module；
The top of the driving vehicle is equipped with the integrated component；Bluetooth integrated audio player is housed on the glasses, is shown
Showing device and battery；
The output end of the optical sensor in the integrated component is connect with the input terminal of the microprocessor；It is described
The output end of microprocessor is connect with the input terminal of the signal input module；The output end of the signal input module and institute
State the input terminal connection of signal output module；The signal output module and the glasses are wirelessly connected；
The microprocessor preset configuration of the driving vehicle often uses traffic lights graphic data base；In vehicle distances upcoming traffic lamp
Distance less than the first pre-determined distance, the image of the optical sensor acquisition upcoming traffic lamp on driving vehicle top is adopted
Collect the RGB image of upcoming traffic lamp, identify the status information of Current traffic lamp, and passes through bluetooth for the identification Current traffic lamp
Status information be sent to the glasses, the status information of Current traffic lamp is converted to corresponding graphical interfaces and broadcast by the glasses
It puts and corresponding voice messaging plays；
By the navigation data of GPS positioning combination driving vehicle, when being more than the second pre-determined distance apart from next traffic lights crossing,
Adjusting the integrated component is standby mode；When being less than third pre-determined distance apart from next traffic lights crossing, it is switched to work
Operation mode；
Wherein, the driving vehicle includes long distance wireless charging unit, is described when under the integrated component standby mode
The battery charging of integrated component increases continuation of the journey, while charging to the battery last of the glasses；
Wherein, it will be uploaded to traffic control department after the status information of the identification Current traffic lamp and current time matches, with traffic control
The traffic light systems of department carry out timing comparison, to judge the accuracy of traffic lights；It is compared by mass data in error and is more than
When certain threshold value, gives warning in advance and repair corresponding traffic lights in advance.
2. traffic lights identifying system according to claim 1, which is characterized in that first pre-determined distance is 10~15
Rice；Second pre-determined distance is 2000 meters or more；The third pre-determined distance is 100~500 meters.
3. traffic lights identifying system according to claim 1 or 2, which is characterized in that the RGB shadow of acquisition upcoming traffic lamp
Picture, the status information of identification Current traffic lamp include reading RGB image array third position, indicate that the front is handed over when being 1
The RGB image of logical lamp is English character R, and English character G is indicated when being 2, and English character Y is indicated when being 3.
4. traffic lights identifying system according to claim 3, which is characterized in that the RGB image of acquisition upcoming traffic lamp is known
The status information of other Current traffic lamp further includes that the indicating lamps type-word of current traffic signal indicating lamp is determined with character mode
Symbol, the character mode be determined in such a way that English character R represents red light, Y represents amber light, G represents green light the front it is red,
Yellow, green light type.
5. traffic lights identifying system according to claim 1, voice messaging is played, which is characterized in that specific work process
Are as follows: three kinds of voice messagings that traffic lights has been preset in the bluetooth integrated audio player and display device play, image recognition
Out it is red light, then triggers corresponding switch in voice messaging broadcasting, casting is currently red light；It is green that image recognition, which comes out,
Lamp then triggers corresponding switch in voice messaging broadcasting, and casting is currently green light；It is amber light that image recognition, which comes out, then triggers
Corresponding switch in voice messaging broadcasting, casting is currently amber light.
6. traffic lights identifying system according to claim 5, which is characterized in that further include voice in voice messaging broadcasting
Casting traffic lights color corresponds to the instruction of direction of travel.
7. traffic lights identifying system according to claim 1, which is characterized in that while voice messaging plays, by traffic
The state of lamp is corresponded to be shown in the traffic lights figure shown into driving vehicle display screen.
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| CN201910151832.6A CN109920262A (en) | 2019-02-28 | 2019-02-28 | Traffic light identification system |
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| CN201910151832.6A CN109920262A (en) | 2019-02-28 | 2019-02-28 | Traffic light identification system |
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| CN111009142A (en) * | 2019-12-12 | 2020-04-14 | 四川天邑康和通信股份有限公司 | Internet of vehicles traffic signal prompting device and system |
| CN112263447A (en) * | 2020-07-09 | 2021-01-26 | 长江师范学院 | Intelligent voice glasses for blind people, control method, storage medium and program |
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Application publication date: 20190621 |