CN104240506A - Traffic incident detector with video capturing function - Google Patents
Traffic incident detector with video capturing function Download PDFInfo
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- CN104240506A CN104240506A CN201410471818.1A CN201410471818A CN104240506A CN 104240506 A CN104240506 A CN 104240506A CN 201410471818 A CN201410471818 A CN 201410471818A CN 104240506 A CN104240506 A CN 104240506A
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Abstract
The invention discloses a traffic incident detector with a video capturing function. The traffic incident detector comprises a camera lens, an image sensor, a control circuit, a video compression coding circuit, an image analysis circuit, a rule violation incident alarm circuit and an IP signal composite signal circuit. The control circuit controls the image sensor. The video compression coding circuit conducts compression coding and packaging on signals transmitted by the image sensor, and the image analysis circuit analyzes the signals transmitted by the image sensor. The rule violation incident alarm circuit is connected with and controlled by the image analysis circuit. The IP signal composite signal circuit is used for superimposing alarm signals output by the rule violation incident alarm circuit to the signals output by the video compression coding circuit. By means of the traffic incident detector, for an integrated system for the severe traffic road surface environment, the functions of video capturing, image analyzing, intelligent traffic incident judging, alarm signal uploading and the like are achieved, a large number of network resources required by image data transmission are saved, a traffic rule violation incidents are detected faster, and early warnings are given out faster.
Description
Technical field
The present invention relates to the intelligent video analysis technology of image processing field and the camcorder technology of field of video monitoring, particularly relate to the traffic incidents detection device with video acquisition function.
Background technology
Traffic incident detecting system be prevent the various traffic hazards day by day happened suddenly, the emergency treatment, particularly accident-prone road section of tackling various accident be of great importance in the early warning of road pavement event, road surface accident Realtime Alerts, preventing secondary accident etc.
The detection of current traffic events be transported to control center by camera acquisition pavement behavior picture computer on Treatment Analysis.First through optical transmitter and receiver, optical fiber, signal will be transported to control center from video camera signal out, center-side needs video frequency collection card to receive signal from front end, and then signal is transported to intellectual analysis software carries out image procossing and judge in violation of rules and regulations.This structure cabling is complicated, the various not easily later maintenance of equipment, and the video way that video frequency collection card can receive simultaneously is limited, needs the center-side equipment so a few cover just can complete, strengthen cost and drop into as need be processed multichannel data simultaneously.
And cannot be applied on traffic incidents detection due to the limitation of the severe of road environment and data-handling capacity for the integrated video camera of specific occasion (as bank, hospital etc.).
Along with the development of intellectualized technology, utilize video image to carry out graphical analysis, thus extract obtain vehicle license, vehicle, the speed of a motor vehicle, vehicle flowrate, various traffic violations event (as stopped, driving in the wrong direction, pedestrian swarms into, sheds thing etc.) be the function that user is badly in need of.The a series of Video processing products released both at home and abroad at present, as Car license recognition device, Traffic identification device etc., function singleness, cannot a series of traffic events of overall treatment.
Summary of the invention
For above-mentioned technological deficiency, the present invention proposes the traffic incidents detection device with video acquisition function.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
There is the traffic incidents detection device of video acquisition function, comprise camera lens, imageing sensor, control circuit, video compression coding circuit, graphical analysis circuit, in violation of rules and regulations affair alarm circuit, IP signal signal circuits; Described control circuit controls imageing sensor, and the signal that described imageing sensor transmits by video compression coding circuit carries out compressed encoding and encapsulation, and described graphical analysis circuit is analyzed the signal that described imageing sensor transmits; Described violation affair alarm circuit is connected with graphical analysis circuit, and controls by it; Described IP signal signal circuits is superimposed to the signal of video compression coding circuit output for the alerting signal exported by described violation affair alarm circuit.
Further, video compression coding circuit carries out IP encapsulating dress to the signal that imageing sensor transmits.
Further, described graphical analysis circuit comprises moving object detection module, target tracking module, regular comparison module, type detection module, captures data memory module, event alarm rule judgment module;
The monitoring image that described moving object detection module image taking sensor obtains is analysis source, automatically detects all moving targets in video;
Described target tracking module receives the detection data of moving object detection module, and follows the tracks of the moving target detected, obtains the movement locus of target;
The detected rule of the target and setting that possess pursuit movement track is compared by described regular comparison module, thus deletes and select unwanted target, and according to the rule of setting, carries out violation detection;
Capture data memory module to capture the target in rule settings region, and be temporary in storage queue, the result depending on follow-up alarm regulation judge module processes the picture in queue;
Type detection module carries out automatic decision to the type of target, and one of condition that type information is judged as alarm regulation;
Event alarm rule judgment module is used for being responsible for judging whether a certain event reaches Alerting requirements.
Further, statistical module, statistics alarm regulation judge module and alarm module is also comprised;
Described statistical module is used for carrying out record statistics for long-acting traffic data;
Described statistics alarm regulation judge module: be responsible for judging whether a certain statistical value reaches Alerting requirements;
Alarm module: the alarm judged result of receiving alarm rule judgment module, is synthesized alarm signal, and input to affair alarm circuit in violation of rules and regulations.
Beneficial effect of the present invention is: for the integrated system of traffic rugged surroundings, carries video acquisition, the function such as intelligent image analysis, traffic events intelligent decision, alerting signal are uploaded.Save a large amount of Internet resources required for image data transmission, in real time detection early warning is made to traffic violations event more fast.This system can detect Parking, drive in the wrong direction event, pedestrian's event, projected object event, smog episode, the anomalous event of blocking up on a series of traffic routes such as event.Vehicle flow, vehicle instantaneous velocity can also be monitored and vehicle is classified.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing that the present invention has the traffic incidents detection device of video acquisition function;
Fig. 2 is the structured flowchart of graphical analysis circuit of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, figure comprises camera lens 1, imageing sensor 2, control circuit 3, video compression coding circuit 4, graphical analysis circuit 5, in violation of rules and regulations affair alarm signal, IP signal composite signal module 6; Wherein:
Camera lens 1 adopts the optical lens of original technology, and optical lens completes optical image acquisition.Namely camera lens can adopt the high definition camera lens of Non-follow control, also can adopt the high definition camera lens automatically controlled.
Imageing sensor adopts MT9T031 CMOS digital image sensor, and this sensor has 3,000,000 pixels, and ultimate resolution reaches 2048X1536, and image sensor circuit completes optoelectronic information conversion and the A/D conversion of picture signal, last output digital image signal.Namely image sensor circuit can adopt ccd image sensor, also can adopt cmos image sensor.The original image that image sensor circuit obtains is input to video compression coding circuit and graphical analysis circuit respectively.
Controller 3 adopts common single-chip microcomputer to control to imageing sensor and optical lens, comprises spectrum assignment, Automatic white balance controls and lens aperture controls.
Video compression coding circuit 4 adopts Leonardo da Vinci's series DSP chip of TI, and this chip can complete the coding of HD video, compressed encoding form be H.264, MPEG2, MPEG4 or MJPEG, and be packaged into IP bag signal.
Graphical analysis circuit 5 adopts fpga chip, intellectual analysis is done to the image gathered, judge whether in violation of rules and regulations traffic events, if export violation alert signal in violation of rules and regulations, the method of this judgement can adopt existing technology, namely can obtain by carrying out buying chip on the market, but the function that buying obtains is comparatively single, the method that there is no realizes complicated judgement and statistics, alarm function.
After affair alarm signal, IP signal signal circuits 6 are positioned at video compression coding circuit 4 and graphical analysis circuit 5 in violation of rules and regulations, for IP signal that the alerting signal of violation event is added to, be sent to control center through opto-electronic conversion by optical fiber.
The present invention in order to realize exception parking, vehicle drives in the wrong direction, truck road occupying traveling, pedestrian walk, velocity sag, queuings of blocking up, support that the traffic statistics detected is reported to the police and mainly comprise: current rate is abnormal, traffic flow is abnormal, occupation rate is abnormal, average overall travel speed extremely.Need to do separately further improvement to graphical analysis circuit.
As shown in Figure 2, the model of all kinds of traffic incidents detection is as follows:
Moving object detection module: the monitoring image that image taking sensor circuit obtains is analysis source, detects all moving targets in video automatically;
Target tracking module: the detection data receiving moving object detection module, and the moving target detected is followed the tracks of, obtain the movement locus of target;
Rule comparison module: the detected rule of the moving target and user preset that possess pursuit path is compared, rejects unconcerned target, and carry out speed calculating according to rules such as the line that tests the speed, forbidden zone lines and mix line detecting;
Capture data memory module: capture the target in rule settings region, and be temporary in storage queue, process depending on follow-up type and alarm regulation judged result to the picture in queue, processing mode comprises temporary, transmission, deletion etc.;
Type detection module: by the information such as profile, texture, carries out automatic decision to the type of target, and as people, cyclecar, high capacity waggon etc., the type information is one of condition of alarm judgement;
Event alarm rule judgment module: be responsible for judging whether a certain event reaches Alerting requirements, the condition wherein judged is arranged primarily of user, the alarm conditions of dissimilar event need to arrange respectively, as travel speed limit up and down, the time of blocking up, the forbidden track of lorry etc.;
Statistical module: record statistics is carried out, as flow, current rate etc. for long-acting traffic data;
Statistics alarm regulation judge module: be responsible for judging whether a certain statistical value reaches Alerting requirements, the thresholding of judgement is arranged by user, as flowed exceed certain restriction alarm, current rate lower than alarm during a certain value etc.;
Alarm module: the alarm judged result of receiving alarm rule judgment module, synthesizes alarm signal by alarm type, concrete numerical value and the information such as position, alarm sectional drawing, and externally issues.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered as in scope.
Claims (4)
1. there is the traffic incidents detection device of video acquisition function, it is characterized in that, comprise camera lens, imageing sensor, control circuit, video compression coding circuit, graphical analysis circuit, in violation of rules and regulations affair alarm circuit, IP signal signal circuits; Described control circuit controls imageing sensor, and the signal that described imageing sensor transmits by video compression coding circuit carries out compressed encoding and encapsulation, and described graphical analysis circuit is analyzed the signal that described imageing sensor transmits; Described violation affair alarm circuit is connected with graphical analysis circuit, and controls by it; Described IP signal signal circuits is superimposed to the signal of video compression coding circuit output for the alerting signal exported by described violation affair alarm circuit.
2. the traffic incidents detection device with video acquisition function according to claim 1, is characterized in that, video compression coding circuit carries out IP encapsulating dress to the signal that imageing sensor transmits.
3. the traffic incidents detection device with video acquisition function according to claim 1, it is characterized in that, described graphical analysis circuit comprises moving object detection module, target tracking module, regular comparison module, type detection module, captures data memory module, event alarm rule judgment module;
The monitoring image that described moving object detection module image taking sensor obtains is analysis source, automatically detects all moving targets in video;
Described target tracking module receives the detection data of moving object detection module, and follows the tracks of the moving target detected, obtains the movement locus of target;
The detected rule of the target and setting that possess pursuit movement track is compared by described regular comparison module, thus deletes and select unwanted target, and according to the rule of setting, carries out violation detection;
Capture data memory module to capture the target in rule settings region, and be temporary in storage queue, the result depending on follow-up alarm regulation judge module processes the picture in queue;
Type detection module carries out automatic decision to the type of target, and one of condition that type information is judged as alarm regulation;
Event alarm rule judgment module is used for being responsible for judging whether a certain event reaches Alerting requirements.
4. the traffic incidents detection device with video acquisition function according to claim 3, is characterized in that, also comprises statistical module, statistics alarm regulation judge module and alarm module;
Described statistical module is used for carrying out record statistics for long-acting traffic data;
Described statistics alarm regulation judge module: be responsible for judging whether a certain statistical value reaches Alerting requirements;
Alarm module: the alarm judged result of receiving alarm rule judgment module, is synthesized alarm signal, and input to affair alarm circuit in violation of rules and regulations.
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| CN104809470A (en) * | 2015-04-23 | 2015-07-29 | 杭州中威电子股份有限公司 | Vehicle converse running detection device and method based on SVM |
| CN113706891A (en) * | 2020-05-20 | 2021-11-26 | 阿里巴巴集团控股有限公司 | Traffic data transmission method, traffic data transmission device, electronic equipment and storage medium |
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