CN208351710U - A kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception - Google Patents
A kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception Download PDFInfo
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- CN208351710U CN208351710U CN201820834599.2U CN201820834599U CN208351710U CN 208351710 U CN208351710 U CN 208351710U CN 201820834599 U CN201820834599 U CN 201820834599U CN 208351710 U CN208351710 U CN 208351710U
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Abstract
The utility model discloses a kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception, for guiding the pedestrian of zebra stripes both ends waiting area to pass through zebra stripes, including the LED floor tile being separately positioned between zebra stripes and both ends waiting area, the two sides of each waiting area are equipped with pedestrian's street crossing request unit at the LED floor tile, and the side of the waiting area is additionally provided with traffic signals unit and 3 D human body perception video camera；The synthesis guidance system further includes main controller, and the main controller is electrically connected with LED floor tile, pedestrian's street crossing request unit traffic signals unit and 3 D human body perception video camera respectively.The utility model can carry out accurate 3 D stereo video pedestrian perception；Realize intelligent integral traffic administration, it is highly integrated；The utility model be multi-functional integrated system, powerful, it is securely and reliably, convenient for safeguarding.
Description
Technical field
The utility model relates to shaped traffic device field more particularly to a kind of pedestrains safety street crossings based on 3 D human body perception
Comprehensive guidance system.
Background technique
Traffic is the lifeblood of urban development, and with economic development, the quantity of vehicle increases on avenue, the congestion of traffic
Situation is on the rise with driving against traffic regulations, and in order to guarantee that the road is clear, guidance pedestrains safety is gone across the road, when reasonably adjusting walk
Between, traffic accident is reduced, is badly in need of a kind of more efficient, safer crossing pedestrian street crossing system, for managing crossing traffic.
Existing pedestrian's street crossing system be easy to cause traffic thing by the section of Traffic signal control, people's vehicle is not walked
Therefore；In the section for the Traffic signal control for receiving the fixed cycle, people's vehicle alternately passes through, and more than people lacks vehicle, or
When person does not have pedestrian's street crossing for a long time, motor vehicles stagnation of movement waiting signal lamp greatly reduces the traffic efficiency of motor vehicle.
In addition, existing pedestrian's street crossing system deployment ordinary video detects video camera, pedestrian's automatic sensing is carried out, is realized
Section lamp control prompt.However, the mode of ordinary video detection is influenced by environmental disturbances, such as it is illuminated by the light, shade, and common
Video camera is not high to the accuracy in detection of pedestrian, it is difficult to promote and apply.
Furthermore the pedestrian participant important as urban transportation, existing street crossing crossing are arranged for the safety management of pedestrian
It applies inadequate to its behavior restraint, lacks the safe guiding facilities of comprehensive pedestrian's street crossing.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of pedestrian's peace based on 3 D human body perception
It is complete to cross the street comprehensive guidance system.
The technical solution of the utility model is as follows: a kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception
System for guiding the pedestrian of zebra stripes both ends waiting area by zebra stripes, including is separately positioned on zebra stripes and both ends waiting area
Between LED floor tile, the two sides of each waiting area at the LED floor tile be equipped with pedestrian's street crossing request unit, the waiting
The side in area is additionally provided with traffic signals unit and 3 D human body perception video camera；The synthesis guidance system further includes main controller,
The main controller is electrical with LED floor tile, pedestrian's street crossing request unit traffic signals unit and 3 D human body perception video camera respectively
Connection.
Further, the traffic signals unit includes traffic signal controlling machine and traffic lights；The traffic signals
Control machine and the main controller are electrically connected, and the traffic lights and the traffic signal controlling machine are electrically connected；The friendship
Ventilating signal lamp includes traffic light for pedestrians and crossroad traffic signal lamp.
Further, the comprehensive guidance system further includes infrared emission sensing unit, the infrared emission sensing unit
It is electrically connected with main controller；The outside of the zebra stripes, infrared emission sensing unit is arranged in the infrared emission sensing unit
Sensing direction it is parallel with the zebra stripes.
Further, the infrared emission sensing unit includes infrared launcher and infrared receiving device, described infrared
Emitter and infrared receiving device are separately positioned on the waiting area close to the side of zebra stripes.
Further, the comprehensive guidance system further includes voice alerting unit, the voice alerting unit and the master
Control machine is electrically connected；The voice prompt device is arranged in the pedestrian's street crossing request unit.
Further, the pedestrian's street crossing request unit includes that pedestrian requests sensing device and street crossing prompt display device；
The pedestrian requests sensing device for incuding pedestrian's street crossing request, and the street crossing prompt display device is for prompting pedestrian etc.
It waits.
Further, the pedestrian requests sensing device and street crossing prompt display device setting to be requested in the pedestrian's street crossing
The upper end of device；Two pedestrian's street crossing request units of each waiting area are oppositely arranged, the infrared launcher and red
Infrared receiving device is oppositely arranged, and is separately positioned in two pedestrian's street crossing request units.
Further, the comprehensive guidance system further includes that long-range monitoring PC, the long-range monitoring PC and main controller are electrical
Connection.
Using the above scheme, the utility model has the advantages that: the utility model can carry out accurate 3 d stereoscopic
Frequency pedestrian perception；The utility model is able to achieve intelligent integral traffic administration, highly integrated；The utility model is multi-functional comprehensive
Collaboration system, powerful, the main core function of system have: 3 D stereo pedestrian perception, the detection of double infrared ray pedestrian running red lights
Alarm, environment self-adaption more voice application (traffic light signal switching, Mang Renzhong, pedestrian running red light prompting etc.) and people's row signal
The synchronous double-colored floor tile of LED of lamp light color, pedestrian incude triggering to be waited count-down device and shows with traffic signals linkage control, pedestrian.
The traffic efficiency that system has taken into account motor vehicle is quickly crossed the street with pedestrains safety: under the request condition of no pedestrian's street crossing, vehicle is not
Interruption is passed through, and crossing/section vehicle pass-through rate is improved；When sensing pedestrian's street crossing request, signal lamp handoff-security to row
People's prevailing state reduces the waiting time of pedestrian, and Pedestrians priority is current.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the present embodiment concrete application scene schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the utility model process for using figure.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to figs. 1 to shown in Fig. 3, the utility model provides a kind of pedestrains safety street crossing synthesis based on 3 D human body perception
Guidance system for guiding the pedestrian of zebra stripes both ends waiting area by zebra stripes, including is separately positioned on zebra stripes and both ends
LED floor tile 3 between waiting area, the two sides of each waiting area are equipped with pedestrian's street crossing request unit 5 at the LED floor tile 3,
The side of the waiting area is additionally provided with traffic signals unit and 3 D human body perception video camera 7；The synthesis guidance system is also wrapped
Include main controller 1, the main controller 1 respectively with LED floor tile 3,5 traffic signals unit of pedestrian's street crossing request unit and 3 D human body sense
Know that video camera 7 is electrically connected.
Wherein, LED floor tile 3 is 3 structure of red and green color LED floor tile, is designed using being integrally formed, and luminescence unit is using highlighted
High-power dual-colored LED lamp, lamp-controlling circuit use PWM modulation circuit, and shining for LED floor tile 3 can be adjusted according to ambient light
Brightness, to adapt to the different brightness requirements on daytime and evening.Overall structure is filled by open-air industrial resin, cooperates firm steel plate
Bracket and flexible cable plug-in units have the characteristics that stabilization is safe and reliable, installation maintenance is simple, can meet actual traffic road
Mouth application.In the present embodiment, 3 monolithic of red and green color LED floor tile, can be single-row infrared having a size of L249 × W249 × H50 (mm)
Strip is paved into installation between sensing unit cabinet is penetrated.
The traffic signals unit includes traffic signal controlling machine 21 and traffic lights 22；The traffic signal controlling machine
21 are electrically connected with the main controller 1, and the traffic lights 22 are electrically connected with the traffic signal controlling machine 21；The friendship
Ventilating signal lamp 22 includes traffic light for pedestrians 22 and crossroad traffic signal lamp 22.The traffic signal controlling machine 21 is to main controller
The 1 street crossing request signal sended over is responded, and pedestrian's waiting time is calculated and respond, and adjusts lamp prosecutor case, and realization is satisfied the need
The traffic lights control in mouth/section guides.
Wherein, 3 D human body perception video camera 7 is used to perceive pedestrian's quantity of waiting area, the 3 D human body perception camera shooting
Machine 7 uses integrated design, mainly includes dual camera image acquisition circuit, 3 D digital imaging and processing circuit, human body sense
Know processing circuit, the parts such as data statistic analysis and output interface.The human perception Processing Algorithm of human perception processing circuit is adopted
With pure video 3-D image detection mode, whether the image data of comprehensive two cameras acquisition calculates in setting regions and deposits
In the distribution and quantity of human body and human body, countable entity reason height, to distinguish adult and children, human perception processing circuit
Human Body Model's recognizer is also used simultaneously, can be distinguished task and object, be avoided erroneous detection.
As one embodiment, 3 D video human perception video camera is fixed on 22 lamp stand of traffic light for pedestrians, is taken the photograph
Camera ground clearance can be 2.4m~10m, and virtual detection region area can be 1m according to the actual situation2~40m2, video camera and ground
Face right angle setting, horizontal tilt angle ± 10 °.
The pedestrian's street crossing request unit 5 includes that pedestrian requests sensing device and street crossing prompt display device；The pedestrian
Request sensing device is for incuding pedestrian's street crossing request, and the street crossing prompt display device is for prompting pedestrian to wait.This implementation
In example, the pedestrian requests sensing device and street crossing prompt display device that the upper end of the pedestrian's street crossing request unit 5 is arranged in；
Two pedestrian's street crossing request units 5 of each waiting area are oppositely arranged.
The synthesis guidance system further includes infrared emission sensing unit 6, the infrared emission sensing unit 6 and main controller
1 is electrically connected；The outside of the zebra stripes, the sensing of infrared emission sensing unit 6 is arranged in the infrared emission sensing unit 6
Direction is parallel with the zebra stripes, and in the present embodiment, the infrared launcher and infrared receiving device are oppositely arranged, and respectively
It is arranged in two pedestrian's street crossing request units 5.The infrared emission sensing unit 6 includes infrared launcher and infrared receiver
Device can analyze the moving direction for calculating pedestrian, when red light phase, passes through infrared emission sensing from waiting area and enters zebra stripes
It is judged as and makes a dash across the red light, is redirected back into from zebra stripes to waiting area and is not judged as then and makes a dash across the red light.
The synthesis guidance system further includes voice alerting unit, and the voice alerting unit and the main controller 1 are electrically
Connection；The voice prompt device is arranged in the pedestrian's street crossing request unit 5.Voice unit 44 may be selected to carry out segmentation language
Sound volume control can prestore multiple periods, and speech volume can be preset within each period.Voice unit 4 is integrated with
Various speech prompt informations, comprising: traffic lights switch prompting sound: it when red light, prompts " to be red light now, no through traffic by pedestrian."
When green light, prompt " being green light now, pedestrian please walk zebra stripes ".Blind person's clock can be switched to phase according to the light color state of pedestrian lamp
The blind person's mitriform state answered.People's row makes a dash across the red light voice prompting: " the static passage of red light, please don't make a dash across the red light." sense that pedestrian's street crossing is asked
It asks prompt: " having incuded street crossing request, asked patient waiting." as one embodiment, the voice alerting unit includes that voice mentions
Show circuit.
The main controller 1 uses embedded-type ARM framework, has taken into account environmental stability and functions expanding, has been mainly responsible for
The functional device for being connected each access completes the whole workflow logic of system.Main controller 1 can external include RJ45,
The resource interfaces such as I2C, TTL, RS485 realize functions expanding.The synthesis guidance system further includes long-range monitoring PC 8, described
Long-range monitoring PC 8 and main controller 1 are electrically connected.
Major function includes access management, 3 D human body perception 7 data receiver of video camera and the analysis of long-range monitoring PC 8,
Obtain working condition, the analysis of infrared emission sensing data of signal controlling machine, voice prompting control, the switching of 3 light color of LED floor tile
Deng.
The settable system operational parameters of main controller 1, including multi-period volume control mode, adaptively reported according to environmental volume
The setting of alert audio volume, 3 brightness adjustment mode of LED floor tile, 3 D video street crossing request number threshold value of warning, human perception number
According to the communication modes and communications protocol, infrared emission sensing before reported data content and time interval setting and semaphore
The detection sensitivity etc. of unit 6.
In the present embodiment, main controller 1 can be highly integrated with pedestrian's street crossing request unit 5, is mounted on apart from road edge
The region of 0.4m, mounted in pairing mode, the spacing between two pairs are 2m~8m；Complete machine cabinet height 1.1m.
Utility model works process:
System worked well state, main controller 1 obtain and are arranged system operational parameters, and main controller 1 starts to detect traffic letter
The traffic light signal state of number machine.If being currently green light, voice prompting is currently green light 1 time, and LED floor tile 3 is switched to green
Color, the volume and 3 light emission luminance of LED floor tile of voice can be according to preset period information adjust automaticallies.
If being currently red light, corresponding voice prompting is currently red light 1 time, and LED floor tile 3 is switched to red, similarly
The volume and 3 light emission luminance of LED floor tile of voice can be according to preset period information adjust automaticallies.Infrared emission sensing unit 6
Whether pedestrian running red light is had in real-time detection region, and main controller 1 also can real-time reception parsing 3 D video human perception unit biography
The state of the detection data and pedestrian's active street crossing button brought, when infrared emission sensing unit 6 detects pedestrian running red light
When, make a dash across the red light prompt and the LED floor tile 3 of voice unit 4 can be triggered and flashed.
When 3 D video human perception unit detects in waiting area have pedestrian and reach preset activation threshold value or have
When pedestrian has actively pressed pedestrian's street crossing request button, main controller 1 can trigger the prompt of voice unit 4 and incude street crossing request, together
When to signal controlling machine send street crossing request signal, signal controlling machine receive after request signal can the adjustment phase place period, and will
Pedestrian is sent to main controller 1 the waiting street crossing time, and main controller 1 drives pedestrian's street crossing request unit after receiving pedestrian's waiting time
5 count-down boards are shown.
Signal controlling machine phase cycling adjustment algorithm:
Assuming that certain section direction is default: it is Current protocols motor vehicle long green light time longest Tgmax seconds, most Tgmin seconds short, it is red
Lamp buffer time Trbuf seconds (3S -6S), 3 D video human perception video camera detection cycle Td seconds (1S -3S), secondary-confirmation
Delay time is Tint, and number threshold value Ntp people, the bright time is Trc to people's row red light of current period；
By the way of secondary detection confirmation, the 1st time detection pedestrian's quantity is Nc1p, after the Tint time, the 2nd inspection
Survey pedestrian's quantity is Nc2p, then can obtain:
1, as (Nc1p >=Ntp) and (Nc2p >=Ntp), triggering street crossing request, pedestrian's waiting time is Twp=
(Tgmax–Trc–Tint+Trbuf+2×Td).If Twp < Tgmin；Then Twp=Tgmin.
2, as (Nc1p < Ntp) or (Nc2p < Ntp), street crossing request is not triggered.
In conclusion the utility model has the advantages that:
1, the utility model can carry out accurate 3 D stereo video pedestrian perception.
3 D human body perception video camera in the utility model uses twin-lens, double sensitive chips, carries out to scene picture
Acquisition, and form 3-D image.Integrated 3-D image Processing Algorithm, the pedestrian being calculated and determined in pedestrian detection region deposit
Analyzed in quantity, pedestrian's height, motion profile, while to the shape of object, with determination be detection target be pedestrian or
Other objects.Flexible detection zone range setting, can be arranged the virtual detection region of multiple any ranges, in conjunction with high-precision simultaneously
Detection algorithm is spent, pedestrian is accurately positioned within the scope of zone boundary.Detection algorithm has complex environment adaptability: low to night
Illumination, Qiang Guang, shadow of object, road surface high contrast, atmosphere and surface temperature etc. have very strong adaptability.Support XML format
Change data and with the multiple networks transport protocol such as HTTP, FTP, SMTP, minimum report cycle can be set to 1 second, strong real-time.
2, the utility model is able to achieve intelligent integral traffic administration, highly integrated.
The processing capacity that the utility model relies on main controller powerful, it is highly integrated using integrated design concept
Image acquisition units, image analyzing unit, audio/video coding unit, data storage cell, network communication output unit and
(trigger signal output, traffic light signal detection, audio output, the output of LED floor tile signal such as peripheral input and output expanding element
Deng), enhance the stability of system.
Main controller uses powerful embedded software, is run using weak coupling design collaboration each unit efficient stable.
High precisely 3 D stereo dynamic multi-objective video pedestrian cognition technology, layman matrix form pedestrian under unique complex environment are merged
The multiple technologies such as trajectory analysis and the control of illegal activities detection technique and traffic signals, are truly realized intelligence.
3, the utility model is multi-functional integrated system, powerful.
The main core function of system has: 3 D stereo pedestrian perception, double infrared ray pedestrian running red lights detection alarm, environment
It is adaptive more voice application (traffic light signal switching, Mang Renzhong, pedestrian running red light prompting etc.), synchronous with pedestrian signal lamp light color
The double-colored floor tile of LED, pedestrian incude triggering with traffic signals linkage control, pedestrian wait count-down device show.
The traffic efficiency that system has taken into account motor vehicle is quickly crossed the street with pedestrains safety: in the request condition of no pedestrian's street crossing
Under, vehicle uninterruptedly passes through, and improves crossing/section vehicle pass-through rate；When sensing pedestrian's street crossing request, signal lamp safety
Walk state is switched to, the waiting time of pedestrian is reduced, Pedestrians priority is current.
System can with long-range monitoring PC, user can flexible remote operating parameter is set, including multi-period volume control mode,
It can adaptively be adjusted according to environmental volume adaptive alarm audio volume, the brightness of LED floor tile, cross the street request number threshold value of warning
Setting, human perception data reported data content and time interval setting etc..
4, the utility model is safe and reliable, convenient for safeguarding:
System using modularization, weak coupling design: equipment is made of several modules, between modules the degree of coupling compared with
It is low, simple connection is only needed between modules, each module can be removed and installed from front, very convenient installation, maintenance.
All system logs of system operation are all real-time transmitted to control centre automatically by network, carry out for supervisor
It is long-range monitor and the setting of all parameters carried out to system by network, the remote maintenances such as system is shut down, software upgrading work, reach
To the requirement for exempting from on-site maintenance.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of pedestrains safety based on 3 D human body perception crosses the street comprehensive guidance system, for guiding zebra stripes both ends waiting area
Pedestrian pass through zebra stripes, which is characterized in that including the LED floor tile being separately positioned between zebra stripes and both ends waiting area, often
The two sides of one waiting area are equipped with pedestrian's street crossing request unit at the LED floor tile, and the side of the waiting area is additionally provided with friendship
Messenger unit and 3 D human body perceive video camera；It is described synthesis guidance system further include main controller, the main controller respectively with
LED floor tile, pedestrian's street crossing request unit traffic signals unit and 3 D human body perception video camera are electrically connected.
2. the pedestrains safety according to claim 1 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In the traffic signals unit includes traffic signal controlling machine and traffic lights；The traffic signal controlling machine and the master
Control machine is electrically connected, and the traffic lights and the traffic signal controlling machine are electrically connected；The traffic lights include row
People's traffic lights and crossroad traffic signal lamp.
3. the pedestrains safety according to claim 1 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In, it further include infrared emission sensing unit, the infrared emission sensing unit and main controller electric connection；The infrared emission passes
The outside of the zebra stripes is arranged in sense unit, and the sensing direction of infrared emission sensing unit is parallel with the zebra stripes.
4. the pedestrains safety according to claim 3 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In, the infrared emission sensing unit include infrared launcher and infrared receiving device, the infrared launcher and infrared
Reception device is separately positioned on the waiting area close to the side of zebra stripes.
5. the pedestrains safety according to claim 1 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In, it further include voice alerting unit, the voice alerting unit and main controller electric connection；The voice prompt device is set
It sets in the pedestrian's street crossing request unit.
6. the pedestrains safety according to claim 1 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In the pedestrian's street crossing request unit includes that pedestrian requests sensing device and street crossing prompt display device；The pedestrian requests sense
Answer device for incuding pedestrian's street crossing request, the street crossing prompt display device is for prompting pedestrian to wait.
7. the pedestrains safety according to claim 1 based on 3 D human body perception crosses the street comprehensive guidance system, feature exists
In, it further include remotely monitoring PC, the long-range monitoring PC and main controller electric connection.
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| CN201820834599.2U CN208351710U (en) | 2018-05-31 | 2018-05-31 | A kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception |
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| CN201820834599.2U CN208351710U (en) | 2018-05-31 | 2018-05-31 | A kind of comprehensive guidance system of pedestrains safety street crossing based on 3 D human body perception |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630964A (en) * | 2019-01-17 | 2019-04-16 | 江苏安赫传媒科技有限公司 | A kind of Multifunctional smart street lamp |
| CN110264739A (en) * | 2019-06-10 | 2019-09-20 | 地洲智慧能源(浙江)有限公司 | One kind is for alternating current wisdom zebra stripes brick and wisdom traffic light system |
| CN110599802A (en) * | 2019-08-16 | 2019-12-20 | 同济大学 | Pedestrian crossing early warning implementation method and early warning system |
| CN113034896A (en) * | 2021-02-10 | 2021-06-25 | 长安大学 | Signal traffic system based on time compensation |
| CN114627659A (en) * | 2022-05-13 | 2022-06-14 | 青岛图灵科技有限公司 | Pedestrian video analysis-based intelligent control system and control method for safe street crossing |
-
2018
- 2018-05-31 CN CN201820834599.2U patent/CN208351710U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630964A (en) * | 2019-01-17 | 2019-04-16 | 江苏安赫传媒科技有限公司 | A kind of Multifunctional smart street lamp |
| CN110264739A (en) * | 2019-06-10 | 2019-09-20 | 地洲智慧能源(浙江)有限公司 | One kind is for alternating current wisdom zebra stripes brick and wisdom traffic light system |
| CN110599802A (en) * | 2019-08-16 | 2019-12-20 | 同济大学 | Pedestrian crossing early warning implementation method and early warning system |
| CN113034896A (en) * | 2021-02-10 | 2021-06-25 | 长安大学 | Signal traffic system based on time compensation |
| CN114627659A (en) * | 2022-05-13 | 2022-06-14 | 青岛图灵科技有限公司 | Pedestrian video analysis-based intelligent control system and control method for safe street crossing |
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