CN104809887B - A kind of retrograde detection method of vehicle on expressway and autoalarm - Google Patents
A kind of retrograde detection method of vehicle on expressway and autoalarm Download PDFInfo
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- CN104809887B CN104809887B CN201510198257.7A CN201510198257A CN104809887B CN 104809887 B CN104809887 B CN 104809887B CN 201510198257 A CN201510198257 A CN 201510198257A CN 104809887 B CN104809887 B CN 104809887B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
Abstract
The invention discloses a kind of retrograde detection method of vehicle on expressway and autoalarm to include the retrograde detection module of image capture module, vehicle, alarm flashing lamp, data transmission device, computer；Image capture module, alarm flashing lamp, data transmission device are connected with the retrograde detection module of vehicle, computer is connected with data transmission device, in order to improve the accuracy rate for detection of driving in the wrong direction, not only previous frame is detected, also in nearest N frames, randomly select M frames and carry out comprehensive descision, exist only more than X frames or X frames and drive in the wrong direction, be just judged as driving in the wrong direction, send retrograde alarm, more vehicle match are carried out with reference to the histogram feature and Fourier spectrum feature of vehicle, improve the accuracy rate of matching.
Description
Technical field
The present invention relates to the vehicle abnormality behavioral analysis technology of field of intelligent video surveillance, more particularly to a kind of highway
The retrograde detection method of upper vehicle and autoalarm.
Background technology
With the development of China's traffic transporting technology, the traffic administration operation way of poorly efficient traffic surveillance and control system and aging
The needs of the traffic technique of fast development can not much be met, and then as the bottleneck of restriction China's traffic transporting technology development.
Intelligent Video Surveillance Technology is that vehicular traffic is inverse as a kind of simple, convenient, efficient, inexpensive, touchless monitoring technology
The behaviors such as row, blocking cause traffic accident to have preferable prevention effect.Intelligent Video Surveillance Technology is modernizing
Traffic, transport, security protection, police reconnaissance, prison monitoring, the safeguard protection of valuables, alarm, magnitude of traffic flow monitoring, office field
No worker monitor, the field such as remote monitoring of computer room is widely used.
Intelligent Video Surveillance Technology mainly has the advantage that：
1st, integrated cost is low.Only need one-time investment, it becomes possible to allow people to be solved from uninteresting, barren artificial monitoring
Take off, nursed without special messenger, it is only necessary to when occurring abnormal alarm in monitoring, responded.In cost of labor increasingly
Today of height enterprise, undoubtedly save a large number of input and daily expenses.
2nd, testing result is objective, reliable.Under the mode manually monitored, monitored picture is stared at for a long time, and supervisor is easy
Fatigue, it is numb to picture, and intelligent monitoring can exclude the interference of this respect, once detecting has unusual condition in picture, you can
Alarm is sent in real time, to be convenient for people to timely respond to.
3rd, it is easy to use.As long as the place for having network can just monitor, reception alarm signal, support remotely and local real-time
Signal receives, and supports the live signal of multiple spot, various ways to receive.
4th, monitoring video is stored on big capacity hard disk by intelligent monitoring technology, can easily be called, and is stored and is transported,
Can be as the evidence of traffic violations.
The content of the invention
For above-mentioned technical problem, the present invention proposes that a kind of retrograde detection method of vehicle on expressway fills with automatic alarm
Put.
In order to solve the above-mentioned technical problem, technical scheme is as follows：
A kind of vehicle on expressway drives in the wrong direction autoalarm, including image capture module, vehicle drive in the wrong direction detection module,
Alarm flashing lamp, data transmission device, computer；
Described image acquisition module, alarm flashing lamp, data transmission device are connected with the retrograde detection module of vehicle, the meter
Calculation machine is connected with data transmission device.
Further, the frame of video that the retrograde detection module of the vehicle gathers to image capture module detects；It is described
Alarm flashing lamp is used to receive the signal that the retrograde detection module of the vehicle is sent, and reminds vehicular traffic；The data transfer dress
Put the video requency frame data for transmitting the retrograde detection module of the vehicle；
The computer is used to show, store the video requency frame data transmitted by the data transmission device.
Further, in addition to warning device, the warning device are controlled for sending alarm signal by computer.
A kind of vehicle on expressway drives in the wrong direction detection method, comprises the following steps：
4.1) the retrograde detection module of vehicle establishes rule of driving in the wrong direction：It is determined that need detecting the polygonal region of vehicle, vehicle just
The direction often travelled and the maximum angle for allowing vehicle to allow deviation normally travel direction；
4.2) moving vehicle is detected：The background constructing mixed Gaussian background mould of the frame of video collected to image capture module
Type；By current frame image and background image subtraction, when difference is more than certain value, it is believed that be motion pixel, motion pixel is returned
Class obtains moving vehicle；
4.3) track of vehicle and morphological analysis：
A) vehicle of present frame is traveled through, obtains profile, center of gravity, histogram and the Fourier spectrum feature of vehicle；
B) position being likely to occur according to vehicle in the position of frame, calculating vehicle in previous frame, finds a frame of video
In all vehicles existing for these positions；
If vehicle c) can not be found, and the location of present frame vehicle is the position that vehicle enters detection zone,
Then think that the normal vehicle operation is appeared in detection scene, assign globally unique label, add in normal tracking queue, continue
The detection of next vehicle, go to step a)；
If vehicle d) can not be found, and present frame vehicle present position is the position that vehicle leaves detection zone, then
Think that the vehicle may drive in the wrong direction into scene, assign globally unique label, addition may drive in the wrong direction in vehicle platoon, go to step
a)；
If vehicle e) can not be found, and not at the edge of polygonal region, then it is assumed that vehicle be blocked or and its
He merges vehicle, puts it into queue undetermined, does not change its label, waits next frame to compare, goes to step a)；
If f) finding one or more cars, the similarity of histogram similarity and Fourier spectrum feature is calculated,
The similarity threshold of histogram similarity and Fourier spectrum feature is set, if there is no histogram similarity and Fourier's frequency
Spectrum signature similarity is more than the vehicle of threshold value, then it is assumed that does not match, by the logical process for not finding vehicle, goes to step
a)；
G) if one or more cars it is eligible, then select most like vehicle, be added into tracking queue,
And imparting and label consistent before, their relative position is calculated, is driven in the wrong direction if present frame vehicle is in relative to previous frame
Position, it is believed that the car there may be retrograde.
Further, also comprise the following steps after step g)：The metamorphosis of the retrograde detection module analysis vehicle of vehicle,
If the lasting tracking frame number of the vehicle is less than N frames, then it is assumed that historical track information is also not enough to confirm, goes to step a), such as
Fruit persistently tracks frame number and is more than or equal to N frames, randomly selects M frames and is judged, more than X frames or X frames (X≤M≤N) locates as long as having
In retrograde position, then it is assumed that Current vehicle, which exists, to drive in the wrong direction, and the retrograde detection module of vehicle sends signal to the alarm flashing lamp, carries
Awake vehicular traffic.
The beneficial effects of the present invention are：The present invention is not only carried out to improve the accuracy rate for detection of driving in the wrong direction to previous frame
Detection, also in nearest N frames, randomly select M frames and carry out comprehensive descision, exist only more than X frames or X frames and drive in the wrong direction, just judge
It is retrograde, sends retrograde alarm.The present invention combines the histogram feature of vehicle and Fourier spectrum feature carries out more vehicle match,
Improve the accuracy rate of matching.The present invention combine vehicle it is retrograde during the change in location that occurs and caused by the camera depth of field
Metamorphosis judges to drive in the wrong direction, and can preferably eliminate the accuracy rate for due to influence caused by noise, improving detection.The present invention
Local alarm and remote alarm are combined, when driving in the wrong direction, flashing lamp alarm is sent, reminds car to slow down, prevent from touching
Hit, while alarm is sent to long-range assistant policeman, to timely respond to, and retrograde picture is stored, as punishing justification.
Brief description of the drawings
Fig. 1 is overview flow chart of the present invention；
Fig. 2 is track of vehicle of the present invention and morphological analysis flow chart；
Fig. 3 is the retrograde detection autoalarm structure chart of vehicle of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
It is a kind of retrograde autoalarm of vehicle on expressway as shown in Figure 3, vehicle on expressway drives in the wrong direction automatic
Warning device includes：The retrograde detection module of image capture module, vehicle, alarm flashing lamp, data transmission device, computer and report
Alert loudspeaker.Image capture module, alarm flashing lamp, data transmission device are connected with the retrograde detection module of vehicle, the calculating
Machine is connected with data transmission device, and alarm speaker is connected with computer.Above-mentioned image capture module and vehicle, which drive in the wrong direction, detects mould
Block can be integrated in camera internal.This alarm flashing lamp connects the camera after integrated.When detecting that vehicle drives in the wrong direction, send
Signal gives alarm flashing lamp, sends retrograde alarm, for reminding vehicular traffic, front has vehicle and driven in the wrong direction；Camera passes through data
Transmitting device, the video requency frame data of retrograde picture is transferred to computer, and region of driving in the wrong direction is marked with red block, in picture upper right
Angle provides retrograde alarm signal.Computer receives the retrograde picture of vehicle in the video requency frame data of the data transmission device transmission
Face, and show, store the retrograde picture of vehicle；And alarm signal is sent by alarm speaker, prompt assistant policeman to be driven in the wrong direction,
Take appropriate measures.
Embodiment one：
As depicted in figs. 1 and 2, the retrograde detection method of a kind of vehicle on expressway, it is formed and function declaration is as follows：
(1) the retrograde detection module of vehicle establishes the retrograde rule of vehicle：
Determine vehicle detection quadrilateral area, determine in quadrangle detection zone the direction of normal vehicle operation and
It is determined that vehicle is allowed to allow the maximum angle for deviateing normally travel direction.
(2) moving vehicle is detected：
The frame of video collected according to image capture module is background constructing mixture Gaussian background model；
By current frame image and background image subtraction, when difference is more than certain value, it is believed that be motion pixel；By motor image
Element, which is sorted out, obtains moving vehicle.
(3) track of vehicle and morphological analysis：
A) vehicle of present frame is traveled through, obtains profile, center of gravity, histogram and the Fourier spectrum feature of vehicle；Because car
Speed be it is limited, while camera collection frequency be 25 frames/s, so the distance that vehicle moves between adjacent two frame
Within the specific limits；
B) position being likely to occur according to vehicle in the position of present frame, calculating vehicle in previous frame, finds previous frame
In all vehicles existing for these positions；
If vehicle c) can not be found, and the location of present frame vehicle is the position that vehicle enters detection zone,
Then think that the normal vehicle operation is appeared in detection scene, the car and its corresponding feature are added in tracking queue, and is assigned
Globally unique label is given, continues the detection of next vehicle, goes to a)；
If vehicle d) can not be found, and present frame vehicle present position is the position that vehicle leaves detection zone, then
Think that the vehicle may drive in the wrong direction into scene, the car and its corresponding feature are added in the vehicle platoon that may drive in the wrong direction, and is assigned
Globally unique label, goes to a)；
If vehicle e) can not be found, and not at the edge in region, then it is assumed that vehicle be blocked or with other vehicles
Merge, put it into queue undetermined, do not change its label, wait next frame to compare, go to a)；
If f) finding one or more cars, using Pasteur's distance come the histogram between the vehicle that calculates and find
The similarity of similarity and Fourier spectrum feature, set the similarity threshold of histogram similarity and Fourier spectrum feature as
0.2,0.2 vehicle is less than if there is no the Pasteur of histogram similarity and Fourier spectrum characteristic similarity distance, then is recognized
Not match, by the logical process for not finding vehicle, go to a)；G) if one or more cars it is eligible, then
Most like vehicle is selected, is added into tracking queue, and imparting and label consistent before, calculate their relative position
Put, if present frame vehicle is in retrograde position relative to previous frame, it is believed that the car there may be it is retrograde, meanwhile, analyze car
Metamorphosis because the change of the depth of field in scene be present, the change of vehicle form, which can also be used as to strengthen driving in the wrong direction, sentence
Disconnected foundation, compare the size of vehicle, if it is to be sailed near toward long journey to drive in the wrong direction, then it is assumed that during vehicle drives in the wrong direction, there is gradual change
Small trend, if it is from remote toward nearly traveling to drive in the wrong direction, then it is assumed that during vehicle drives in the wrong direction, there is the trend become larger；In order to carry
The accuracy rate of high detection, reduce wrong report and judge, it is necessary to obtain more trace informations and strengthen driving in the wrong direction, for example, if the car continues
Tracking frame number is less than 10 frames, then it is assumed that historical track information is also not enough to confirm, goes to a), if persistently track frame number more than etc.
In 10 frames, randomly select 5 frames and judged, more than 3 frames or 3 frames be in retrograde position as long as having, then it is assumed that Current vehicle is deposited
Driving in the wrong direction, the retrograde detection module of vehicle sends signal to the alarm flashing lamp, reminds vehicular traffic；And video requency frame data is led to
Cross data transmission device and transmit to computer and be used to store and show, when running into retrograde situation, and sent by alarm speaker
Alarm signal, prompt assistant policeman to be driven in the wrong direction, take appropriate measures.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, these improvements and modifications also should be regarded as
In the scope of the present invention.
Claims (4)
- The detection method 1. a kind of vehicle on expressway drives in the wrong direction, it is characterised in that drive in the wrong direction and detect including image capture module, vehicle Module, alarm flashing lamp, data transmission device, computer；Described image acquisition module, alarm flashing lamp, data transmission device are connected with the retrograde detection module of vehicle, and described image is adopted Collect module by data transmission device, the video requency frame data of retrograde picture is transferred to computer, and marked and driven in the wrong direction with red block Region, retrograde alarm signal is provided in the picture upper right corner, and the computer is connected with data transmission device；The alarm flashing lamp For reminding vehicular traffic, there is vehicle and drive in the wrong direction in front；Specific detecting step is as follows：4.1) the retrograde detection module of vehicle establishes rule of driving in the wrong direction：It is determined that need to detect the normal row of polygonal region, vehicle of vehicle The direction sailed and the maximum angle for allowing vehicle to deviate normally travel direction；4.2) moving vehicle is detected：The background constructing mixture Gaussian background model of the frame of video collected to image capture module； By current frame image and background image subtraction, when difference is more than certain value, it is believed that be motion pixel, motion pixel is sorted out To moving vehicle；4.3) track of vehicle and morphological analysis：A) vehicle of present frame is traveled through, obtains profile, center of gravity, histogram and the Fourier spectrum feature of vehicle；B) position being likely to occur according to vehicle in the position of frame, calculating vehicle in previous frame, finds this in a frame of video All vehicles existing for a little positions；If vehicle c) can not be found, and the location of present frame vehicle is the position that vehicle enters detection zone, then recognizes Appeared in for the normal vehicle operation in detection scene, assign globally unique label, add in normal tracking queue, continued next The detection of vehicle, go to step a)；If vehicle d) can not be found, and present frame vehicle present position is the position that vehicle leaves detection zone, then it is assumed that The vehicle may drive in the wrong direction into detection scene, assign globally unique label, addition may drive in the wrong direction in vehicle platoon, go to step a)；If vehicle e) can not be found, and not at the edge of polygonal region, then it is assumed that vehicle be blocked or with other cars Merge, put it into queue undetermined, do not change its label, wait next frame to compare, go to step a)；If f) finding one or more cars, the similarity of histogram similarity and Fourier spectrum feature, setting are calculated One given threshold of the similarity of histogram similarity and Fourier spectrum feature, if there is no histogram similarity and Fu In leaf spectrum signature similarity be more than the vehicle of given threshold, then it is assumed that do not match, by the logical process for not finding vehicle, Go to step a)；G) if one or more cars it is eligible, then select most like vehicle, be added into tracking queue, and assign Give with label consistent before, their relative position is calculated, if present frame vehicle is in retrograde position relative to previous frame Put, it is believed that the car there may be retrograde.
- The detection method 2. vehicle on expressway according to claim 1 drives in the wrong direction, it is characterised in that the vehicle, which drives in the wrong direction, to be examined The frame of video that module gathers image capture module is surveyed to detect；The alarm flashing lamp is used to receive the signal that the retrograde detection module of the vehicle is sent, and reminds vehicular traffic；The data transmission device is used for the video requency frame data for transmitting the retrograde detection module of the vehicle；The computer is used to show, store the video requency frame data transmitted by the data transmission device.
- The detection method 3. vehicle on expressway according to claim 1 drives in the wrong direction, it is characterised in that also include alarm dress Put, the warning device is controlled for sending alarm signal by computer.
- The detection method 4. vehicle on expressway according to claim 1 drives in the wrong direction, it is characterised in that also wrapped after step g) Include following steps：The metamorphosis of the retrograde detection module analysis vehicle of vehicle, if the lasting tracking frame number of the vehicle is less than N Frame, then it is assumed that historical track information is also not enough to confirm, goes to step a), if persistently tracking frame number is more than or equal to N frames, at random Choose M frames to be judged, retrograde position more than X frames or X frames is in as long as having, then it is assumed that Current vehicle, which exists, to drive in the wrong direction, vehicle Retrograde detection module sends signal to the alarm flashing lamp, reminds vehicular traffic.
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| CN109661667A (en) * | 2016-10-14 | 2019-04-19 | 富士通株式会社 | The retrograde detection device of vehicle and method, electronic equipment |
| CN106297314A (en) * | 2016-11-03 | 2017-01-04 | 北京文安智能技术股份有限公司 | A kind of drive in the wrong direction or the detection method of line ball vehicle behavior, device and a kind of ball machine |
| CN107886055A (en) * | 2017-10-27 | 2018-04-06 | 中国科学院声学研究所 | A kind of retrograde detection method judged for direction of vehicle movement |
| CN109637155B (en) * | 2018-11-12 | 2021-07-06 | 钦州学院 | Vehicle detection device of urban traffic intelligent control system |
| CN110032947B (en) * | 2019-03-22 | 2021-11-19 | 深兰科技（上海）有限公司 | Method and device for monitoring occurrence of event |
| CN109948582B (en) * | 2019-03-28 | 2021-03-02 | 湖南大学 | Intelligent vehicle reverse running detection method based on tracking trajectory analysis |
| CN110232807A (en) * | 2019-04-30 | 2019-09-13 | 广东侍卫长北斗科技股份公司 | The automatic monitoring of one kind is received a crime report and emergency rescue service system |
| CN110310493B (en) * | 2019-07-02 | 2022-01-07 | 亳州职业技术学院 | Traffic retrograde constraint system based on Internet of things |
| CN112288695B (en) * | 2020-10-20 | 2021-06-15 | 新昌县鸿吉电子科技有限公司 | Factory production area target identification system |
| CN112738961B (en) * | 2021-01-06 | 2023-04-18 | 苏州鱼得水电气科技有限公司 | Intelligent road lighting control system based on big data |
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