CN108806333A - Traffic monitoring method based on street lamp and its device - Google Patents
Traffic monitoring method based on street lamp and its device Download PDFInfo
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- CN108806333A CN108806333A CN201810897914.0A CN201810897914A CN108806333A CN 108806333 A CN108806333 A CN 108806333A CN 201810897914 A CN201810897914 A CN 201810897914A CN 108806333 A CN108806333 A CN 108806333A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/164—Centralised systems, e.g. external to vehicles
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of traffic monitoring method and its device based on street lamp, include the following steps：Multiple street lamps are installed along crossing both sides in traffic intersection, LED light is provided on street lamp；Establish the LED light on street lamp and between traffic lights communication connection；The traffic pass-through command sent out according to traffic lights, is correspondingly shown in LED light, is prompted in advance street lamp upcoming traffic signal lamp, is fed back come the information for mouthful traffic that satisfies the need；Driver prompts according to the guide of the LED light on street lamp, judges the traffic of junction ahead, to adjust the transport condition of vehicle in advance.The present invention is by being arranged LED light that is on street lamp and linking with traffic lights, to satisfy the need, a mouthful traffic is fed back in real time, consequently facilitating driver prejudges the passage situation of junction ahead in advance, makes corresponding drive and adjust, be effectively reduced traffic accident.
Description
Technical field
The present invention relates to a kind of traffics to monitor field, more particularly to a kind of traffic monitoring method based on street lamp
And its device.
Background technology
With increasing for city vehicle quantity, the traffic pressure of urban road is increasing, and traffic accident is caused to take place frequently, and
Traffic accident, often driver is insufficient to the driving road conditions understanding of surrounding, cannot make in advance corresponding emergent
Adjustment.Especially during crossing was turned and travelled with vehicle night, because front vehicles are blocked, lead to the vehicle at rear
Driver cannot in time obtain the traffic information of the traffic intersection in front, cannot timely make corresponding drive and adjust
It is whole, lead to the generation of rear-end collision, on the one hand cause the damage of personal property, on the other hand hinders the passage of vehicular traffic,
Cause vehicle congestion.
Invention content
The object of the present invention is to provide a kind of traffic monitoring method and its device based on street lamp.The present invention is logical
LED light that is being arranged on street lamp and linking with traffic lights is crossed, is carried out come mouthful traffic that satisfies the need anti-in real time
Feedback is made corresponding drive and is adjusted, be effectively reduced traffic consequently facilitating driver prejudges the passage situation of junction ahead in advance
The generation of accident.
Technical scheme of the present invention：A kind of traffic monitoring method based on street lamp, includes the following steps：
Step 1：Multiple street lamps are installed along crossing both sides in traffic intersection, LED light is provided on street lamp；
Step 2：Establish the LED light on street lamp and between traffic lights communication connection；
Step 3：The traffic pass-through command sent out according to traffic lights, is correspondingly shown in LED light, right
Street lamp upcoming traffic signal lamp is prompted in advance, is fed back come the information for mouthful traffic that satisfies the need；
Step 4：Driver prompts according to the guide of the LED light on street lamp, judges the traffic of junction ahead,
To adjust the transport condition of vehicle in advance.
In the above-mentioned traffic monitoring method based on street lamp, communication link will be established between street lamp and traffic lights
The brightness of corresponding track street lamp is adjusted in the traffic pass-through command for connecing, and being sent out according to traffic lights, realizes current road
The brightness regulation of the street lamp of section is to strong light state, and by the brightness regulation of the street lamp in current section to dim light state.
In traffic monitoring method above-mentioned based on street lamp, the street lamp illumination luminance transformation of crossing homonymy is consistent.
In traffic monitoring method above-mentioned based on street lamp, illumination luminance transformation and the traffic lights of street lamp are shown
It is consistent on the traffic instructions conversion time shown.
In traffic monitoring method above-mentioned based on street lamp, the street lamp is equipped with camera, to road scene
Captured in real-time is carried out, the image of shooting is uploaded to server in real time, and server analyzes shooting image, then passes through analysis
Traffic information remote control traffic light controller afterwards makes traffic light controller adjust traffic pass-through command.
In traffic monitoring method above-mentioned based on street lamp, the method for shooting image analysis is the reality in object under test
Outer profile is added in the outside of border profile, Internal periphery is added in the inside of the actual profile of object under test, by outer profile and Internal periphery
Between space cut into many straight lines, and take M point on the every line in N straight line, having for M × N number of point can be obtained
Battery limit (BL) domain, then the profile with least energy is found out according to snake model formula in the bounded domain, realize the spy of object under test
Sign extraction.
In traffic monitoring method above-mentioned based on street lamp, snake model formula is
By following formula discretization
The energy for obtaining snake model point is
E(vi)=λ Eint(vi)+(1-λ)Eext(vi)
The energy theorem of the wherein profile of least energy is
In traffic monitoring method above-mentioned based on street lamp, shooting image analysis and processing method is to shooting image structure
Make energy functional；
It is unfolded using Taylor formula, can be arrived further according to step integration method；
The minimum that can obtain energy functional number by interative computation again asks the two-dimentional variation in image procossing
Topic, gradient descent flow can be expressed as
Analytic solutions are finally obtained, the edge contour clapped and obtain object under test in shooting image is obtained, are realized in shooting image
The feature extraction of object under test.
Realize the device of the traffic monitoring method above-mentioned based on street lamp, including street lamp, traffic light controller
And the traffic lights being connect with traffic light controller, be additionally provided with LED light on the street lamp, LED light with
Traffic light controller connects；It is provided with lamp housing on the street lamp, is provided with bottom plate and controller for road lamp in lamp housing, on bottom plate
Equipped with the first LED light and the second LED light, first LED light and the second LED light are connect with controller for road lamp, the street lamp lamp
The signal receiving device being connect with controller for road lamp is additionally provided on bar, signal receiving device is connect with traffic light controller.
The device of traffic monitoring method above-mentioned based on street lamp is additionally provided with camera on the street lamp, described to take the photograph
As head is connect through server with traffic light controller.
Compared with prior art, the present invention is by being arranged LED indication that is on street lamp and linking with traffic lights
Lamp, to satisfy the need, a mouthful traffic is fed back in real time, consequently facilitating driver prejudges the passage situation of junction ahead in advance, is done
Go out corresponding drive to adjust, is effectively reduced the generation of traffic accident.
The present invention carries out corresponding illumination brightness by the way that crossing both sides street lamp is arranged according to the traffic instructions of traffic lights
Light and shade converts, and to satisfy the need, a mouthful traffic information is fed back, and in order to which driver understands crossing passage situation in time, is done in advance
Go out corresponding drive to adjust, avoids, because front road conditions are unknown, traffic accident occurring.Additionally by the illumination luminance transformation of street lamp,
It is more simple and clear during passing through at night, it is convenient and practical.
Corresponding camera is additionally installed on the lamp stand of street lamp, using camera come the traffic to road into
Row shooting, and be uploaded to server and analyzed, and obtain the substantially live of road traffic, such as：Vehicle flowrate, road on road
Road congestion and the equal Traffic Informations that whether have a car accident, the traffic of corresponding the intensive traffic section is understood convenient for driver in time
Information finally carries out remote control, when rational transportation arrangements are passed through according to the information after analysis to traffic light controller
Between, effectively alleviate the traffic pressure at the crossing.
The present invention shoots traffic on road by camera, obtains shooting image, the image that will be taken the photograph
Feature extraction processing is carried out, then the image after feature extraction is stored in image data base.By carrying out determinand to shooting image
The feature extraction of body is handled, and can accurately be obtained the actual size profile of object under test, be avoided front and back scape or other objects
Interference of the profile to subsequent contrast's step, improve the precision of comparison.Further, the described feature extraction processing can be with
Outer profile is added in the outside of the object under test of use, and Internal periphery is added in the inside of object under test, by outer profile and Internal periphery it
Between space cut into many straight lines, and take M point on the every line in N straight line, the bounded of M × N number of point can be obtained
Region, then the profile with least energy is found out according to snake model formula in the bounded domain, realize the feature of shooting image
Extraction.Or measuring targets latent structure energy functional, then obtain the pole of energy functional number through step integration and interative computation
Small value finally obtains analytic solutions, obtains the edge contour of object under test in shooting image, realizes object under test in shooting image
Feature extraction.And be convenient for understanding the traffic in the section in time, such as：Vehicle flowrate, road congestion conditions on road and
Whether have a car accident equal Traffic Informations.
The invention also includes the devices for realizing the traffic monitoring method based on street lamp, are believed with traffic by the way that street lamp is arranged
Signal lamp controller sets up communication connection, when traffic light controller sends out pass-through command to traffic lights, leads to
Signal receiving device on the street lamp of walking along the street section receives the control instruction from traffic light controller, and passes to street lamp control
Device processed after then controller for road lamp receives signal, while opening the first LED bulb and the second LED bulb so that current section
The intensity of illumination of street lamp is in the state of strong light, and illumination is provided to current vehicle, and not by the street lamp in current section, then
According to the traffic information received, the first LED bulb is only opened so that not by the intensity of illumination of the street lamp in current section, phase
To being in dim light state by the intensity of illumination in current section, distinguished conducive to vehicle driver, to judge junction ahead
Traffic information, to adjust the drive speed of vehicle in advance, and the generation for the bumper car accident that avoids knocking into the back.Additionally by street lamp
Upper setting camera images come road conditions of passing through substantially to road.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the structural schematic diagram inside lamp housing；
Fig. 3 is the workflow schematic diagram of the present invention；
Fig. 4 is the object under test signature analysis schematic diagram of the present invention；
Fig. 5 is the object under test signature analysis schematic diagram of the present invention.
1- traffic light controllers；2- traffic lights；3- street lamps；4- signal receiving devices；5- controller for road lamp；6-
LED light；7- cameras；8- servers；9- lamp housings；10- bottom plates；The first LED light of 11-；The second LED light of 12-.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment 1：A kind of traffic monitoring method based on street lamp, includes the following steps：
Step 1：Multiple street lamps are installed along crossing both sides in traffic intersection, LED light is provided on street lamp；
Step 2：Establish the LED light on street lamp and between traffic lights communication connection；
Step 3：The traffic pass-through command sent out according to traffic lights, is correspondingly shown in LED light, right
Street lamp upcoming traffic signal lamp is prompted in advance, is fed back come the information for mouthful traffic that satisfies the need；
Step 4：Driver prompts according to the guide of the LED light on street lamp, judges the traffic of junction ahead,
To adjust the transport condition of vehicle in advance.
The present invention is by being arranged LED light that is on street lamp and linking with traffic lights, come the oral sex access that satisfies the need
Condition is fed back in real time, consequently facilitating driver prejudges the passage situation of junction ahead in advance, is made corresponding drive and is adjusted,
It is effectively reduced the generation of traffic accident.
The above-mentioned traffic monitoring method based on street lamp is communicated to connect being established between street lamp and traffic lights,
And the brightness of corresponding track street lamp is adjusted in the traffic pass-through command sent out according to traffic lights, realizes current section
The brightness regulation of street lamp is to strong light state, and by the brightness regulation of the street lamp in current section to dim light state.Pass through street lamp light
The transformation for degree of illuminating to be fed back into row information to the vehicle for not driving into traffic intersection, and carries out driving tune in advance convenient for driver
Section, and when avoiding driving into crossing with vehicle because to upcoming traffic intersection information ambiguity solution, and occurs between rear-end collision or vehicle
It collides.
It is further preferred that the street lamp illumination luminance transformation of crossing homonymy is consistent, vision will not be caused to vehicle driver
Mismatch, and traffic accident occurs.
It is further preferred that on traffic instructions conversion time shown by the illumination luminance transformation of street lamp and traffic lights
It is consistent so that street lamp illumination luminance transformation is consistent with the traffic instructions transformation in traffic signals, timely to crossing
Traffic information fed back, and avoid traffic information received by the vehicle of crossing and do not drive into what the vehicle at crossing was received
The inconsistent synchronization of traffic information, and lead to the generation of rear-end collision.
Embodiment 2：A kind of traffic monitoring method based on street lamp, the embodiment and embodiment 1 difference lies in：Institute
It states street lamp and camera is installed, captured in real-time is carried out to road scene, the image of shooting is uploaded to server, server in real time
Shooting image is analyzed, then by the traffic information remote control traffic light controller after analysis, traffic is made to believe
Signal lamp controller adjusts traffic pass-through command, understands the traffic traffic information of respective stretch in time convenient for driver, and convenient for driving
The person of sailing makes corresponding route adjustment in advance.
Image analysis is that certain useful measurements, data or information are extracted from image.Purpose is to obtain certain numerical value knot
Fruit, rather than generate another image.The content of image analysis and the research field of pattern-recognition, artificial intelligence have intersection, but
Image analysis and typical pattern-recognition different from.Image analysis is not limited to the specific region in image by fixed number
Classification is classified, it is mainly to provide a kind of description about analyzed image.For this purpose, mode identification technology should be utilized,
The knowledge base about picture material, i.e. content in artificial intelligence in terms of knowledge representation are utilized again.Image analysis needs
The feature of image is extracted with image partition method, and the description of symbolism is then carried out to image.This description can not only be to figure
Answer is made with the presence or absence of a certain special object, moreover it is possible to be described in detail to picture material as in.
As shown in Figure 4 and Figure 5, the method for shooting image analysis is to add foreign steamer in the outside of the actual profile of object under test
Exterior feature adds Internal periphery in the inside of the actual profile of object under test, the space between outer profile and Internal periphery is cut into many
Straight line, and M point is taken on the every line in N straight line, the bounded domain of M × N number of point can be obtained, then in the bounded domain
It is interior that the profile with least energy is found out according to snake model formula, the actual profile of object under test is obtained, realizes object under test
Feature extraction.The space between Internal periphery or outer profile is split using the Image Segmentation Model of partial differential equation, is transported
Image is filtered with continuous differential, with discrete gridding, image process is directly analyzed.
It is further preferred that snake model formula is
By following formula discretization
The energy for obtaining snake model point is
E(vi)=λ Eint(vi)+(1-λ)Eext(vi)
The energy theorem of the wherein profile of least energy is
Embodiment 3：A kind of traffic monitoring method based on street lamp, the embodiment the difference from example 2 is that：It claps
It is to shooting image configuration energy functional to take the photograph image analysis processing method；
It is unfolded using Taylor formula, can be arrived further according to step integration method；
The minimum that can obtain energy functional number by interative computation again asks the two-dimentional variation in image procossing
Topic, gradient descent flow can be expressed as
Analytic solutions are finally obtained, the edge contour of object under test in shooting image is obtained, realize determinand in shooting image
The feature extraction of body.
Embodiment 4：Realize the device of the traffic monitoring method based on street lamp, as shown in Figs. 1-2, including street lamp 3, friendship
Ventilating signal lamp controller 1 and the traffic lights 2 being connect with traffic light controller 1 are additionally provided with LED on the street lamp 3
Indicator light 6, LED light 6 are connect with traffic light controller 1；The street lamp 3 is equipped with lamp housing 9, is provided in lamp housing 9
Bottom plate 10 and controller for road lamp 5, bottom plate 10 are equipped with the first LED light 11 and the second LED light 12, first LED light 11 and the
Two LED light 12 are connect with controller for road lamp 5, and the signal being connect with controller for road lamp 5 is additionally provided on the lamp stand of the street lamp 3 and is received
Device 4, signal receiving device 4 are connect with traffic light controller 1.The present invention passes through in street lamp 3 and Traffic signal control
Device 1 sets up communication connection, when traffic light controller 1 sends out pass-through command to traffic lights 2, current section
Street lamp 3 on signal receiving device 4 receive the control instruction from traffic light controller 1, and pass to Street lamps control
Device 5 after then controller for road lamp 5 receives signal, while opening the first LED bulb 11 and the second LED bulb 12 so that current road
The intensity of illumination of the street lamp 3 of section is in the state of strong light, and illumination is provided to current vehicle, and not by the road in current section
Lamp only opens the first LED bulb 11 then according to the traffic information received so that not by the illumination of the street lamp 3 in current section
Intensity, the opposite intensity of illumination by current section are in dim light state, and are distinguished conducive to vehicle driver, before judging
The traffic information at square crossing, to adjust the drive speed of vehicle in advance, and the generation for the bumper car accident that avoids knocking into the back.
It is further preferred that being additionally provided with camera 7 on the street lamp 3, the camera 7 is through server 8 and traffic signals
Lamp controller 1 connects.By being equipped with corresponding camera 7 on the lamp stand of street lamp 3, using camera 7 come the friendship to road
Access condition is shot, and is uploaded to server 8 and is analyzed, and obtains the substantially live of road traffic, such as：On road
Vehicle flowrate, road congestion conditions and the Traffic Informations such as whether have a car accident, corresponding traffic is understood convenient for driver in time
The traffic information in section carries out remote control finally by the information after analysis to traffic light controller 1, rational to arrange
Traffic transit time effectively alleviates the traffic pressure at the crossing.
Operation principle：As shown in figure 3, traffic light controller 1 sends out traffic pass-through command, corresponding LED on street lamp 3
Indicator light 6 is shown, is prompted in advance 3 upcoming traffic signal lamp 2 of street lamp, is carried out come the information for mouthful traffic that satisfies the need
Feedback, while the street lamp 3 being connect with traffic light controller 1, the traffic passage sent out according to traffic light controller 1 refer to
The brightness of corresponding track street lamp 3 is adjusted in order, realizes the brightness regulation of the street lamp in current section to strong light state, and not by
The brightness regulation of the street lamp 3 in current section is to dim light state, and to satisfy the need, a mouthful traffic information is fed back, in order to driver
Crossing passage situation is understood in time, corresponding drive is made in advance and adjusts, and avoids, because front road conditions are unknown, traffic accident occurring.
In addition it is additionally provided with camera 7 on street lamp 3, the traffic of road is shot using camera 7, and be uploaded to service
Device 8 is analyzed, and obtains the substantially live of road traffic, such as：Vehicle flowrate, road congestion conditions on road and whether
Have a car accident equal Traffic Informations, the traffic information of corresponding the intensive traffic section is understood in time convenient for driver, finally according to analysis
Information afterwards carries out remote control to traffic light controller 1, and rational transportation arrangements transit time effectively alleviates this
The traffic pressure at crossing.
Claims (10)
1. the traffic monitoring method based on street lamp, it is characterised in that：Include the following steps：
Step 1：Multiple street lamps are installed along crossing both sides in traffic intersection, LED light is provided on street lamp；
Step 2：Establish the LED light on street lamp and between traffic lights communication connection；
Step 3：The traffic pass-through command sent out according to traffic lights carries out corresponding display, before street lamp in LED light
The traffic information of square traffic lights is prompted in advance；
Step 4：Driver prompts according to the guide of the LED light on street lamp, judges the traffic passage situation of junction ahead,
To adjust the transport condition of vehicle in advance.
2. the traffic monitoring method according to claim 1 based on street lamp, it is characterised in that：Street lamp and traffic are believed
The traffic pass-through command established communication connection between signal lamp, and sent out according to traffic lights to the brightness of corresponding track street lamp into
Row is adjusted, and realizes the brightness regulation of the street lamp in current section to strong light state, and not by the brightness regulation of the street lamp in current section
To dim light state.
3. the traffic monitoring method according to claim 2 based on street lamp, it is characterised in that：The street lamp of crossing homonymy
Illumination luminance transformation is consistent.
4. the traffic monitoring method according to claim 2 based on street lamp, it is characterised in that：The illumination brightness of street lamp
Transformation is consistent on the traffic instructions conversion time shown by traffic lights.
5. the traffic monitoring method according to claim 1 based on street lamp, it is characterised in that：It is installed on the street lamp
There is camera, captured in real-time is carried out to road scene, the image of shooting is uploaded to server in real time, and server is to shooting image
It is analyzed, then by the traffic information remote control traffic light controller after analysis, makes traffic light controller
Adjust traffic pass-through command.
6. the traffic monitoring method according to claim 5 based on street lamp, it is characterised in that：Shoot image analysis
Method is to add outer profile in the outside of the actual profile of object under test, and lubrication groove is added in the inside of the actual profile of object under test
Space between outer profile and Internal periphery is cut into many straight lines, and takes M point on the every line in N straight line by exterior feature, can
To obtain the bounded domain of M × N number of point, then the wheel with least energy is found out according to snake model formula in the bounded domain
Exterior feature obtains the actual profile of object under test, realizes the feature extraction of object under test.
7. the traffic monitoring method according to claim 6 based on street lamp, it is characterised in that：Snake model formula is
By following formula discretization
The energy for obtaining snake model point is
E(vi)=λ Eint(vi)+(1-λ)Eext(vi)
The energy theorem of the wherein profile of least energy is
8. the traffic monitoring method according to claim 5 based on street lamp, it is characterised in that：It shoots at image analysis
Reason method is to shooting image configuration energy functional；
It is unfolded using Taylor formula, can be arrived further according to step integration method；
The minimum that can obtain energy functional number by interative computation again, for the two-dimentional variational problem in image procossing,
Gradient descent flow can be expressed as
Analytic solutions are finally obtained, the edge contour of object under test in shooting image is obtained, realize object under test in shooting image
Feature extraction.
9. realizing the device such as traffic monitoring method of the claim 1-8 any one of them based on street lamp, including street lamp
(3), traffic light controller (1) and the traffic lights (2) being connect with traffic light controller (1), feature exists
In：LED light (6) is additionally provided on the street lamp (3), LED light (6) is connect with traffic light controller (1)；It is described
Street lamp (3) is equipped with lamp housing (9), is provided with bottom plate (10) and controller for road lamp (5) in lamp housing (9), and bottom plate (10) is equipped with the
One LED light (11) and the second LED light (12), first LED light (11) and the second LED light (12) connect with controller for road lamp (5)
It connects, the signal receiving device (4) being connect with controller for road lamp (5), signal receiving device is additionally provided on the lamp stand of the street lamp (3)
(4) it is connect with traffic light controller (1).
10. the device of the traffic monitoring method according to claim 9 based on street lamp, it is characterised in that：The road
Camera (7) is additionally provided on lamp (3), the camera (7) connect through server (8) with traffic light controller (1).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110634301A (en) * | 2019-11-05 | 2019-12-31 | 中科星图(深圳)数字技术产业研发中心有限公司 | Method and system for reducing high-speed traffic accidents based on digital earth |
| CN112017454A (en) * | 2020-08-31 | 2020-12-01 | 扬州市中美新能源照明有限公司 | Linkage type intelligent street lamp based on traffic signals |
| CN112991793A (en) * | 2019-12-18 | 2021-06-18 | 东莞宇龙通信科技有限公司 | Early warning method, early warning device, intelligent lamp pole and storage medium |
| CN113826152A (en) * | 2019-05-16 | 2021-12-21 | 株式会社小糸制作所 | Traffic system and traffic infrastructure |
| CN117173895A (en) * | 2023-11-02 | 2023-12-05 | 江苏鼎豪电力工程有限公司 | Management monitoring system for automatic illumination adjustment of urban road |
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| CN110634301A (en) * | 2019-11-05 | 2019-12-31 | 中科星图(深圳)数字技术产业研发中心有限公司 | Method and system for reducing high-speed traffic accidents based on digital earth |
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