CN103473926B - The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations - Google Patents
The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations Download PDFInfo
- Publication number
- CN103473926B CN103473926B CN201310410165.1A CN201310410165A CN103473926B CN 103473926 B CN103473926 B CN 103473926B CN 201310410165 A CN201310410165 A CN 201310410165A CN 103473926 B CN103473926 B CN 103473926B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- traffic
- ball
- road
- regulations
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to the interlock road traffic parameter collection of a kind of rifle ball and capturing system violating the regulations, it is by gun type camera, ball video camera, the network switch, event analysis instrument, Vehicle Detection software module and signal controller composition, it is characterized in that gun type camera and ball video camera are arranged on the front upper place of detected vehicle, and be connected with the network switch, the network switch is connected with event analysis instrument, in event analysis instrument, microprocessor is installed, Vehicle Detection software module etc., the road cross formed thus detects LAN (Local Area Network), it is connected to urban transportation command centre by city telecommunications backbone network or special optical cable, realize the traffic video real time monitoring within the scope of road view, the track of video recording and vehicles peccancy is captured, its structure is advanced simple, capture and measure perfect fusion, capture in time, traffic parameter is measured accurately, real-time is wide, it is the perspective product of traffic video monitoring.
Description
Technical field
The present invention relates to a kind of traffic monitoring field utilizing image recognition, particularly a kind of rifle ball interlock road traffic parameter collection and capturing system violating the regulations.
Background technology:
Along with the quick increase of automobile pollution, congestion in road has become the serious problem of of urban development.In order to adapt to the needs of traffic administration, guarantee the safety of urban transportation, unimpeded, the progressively lifting of the degree of intelligence of traffic administration becomes required.The candid photograph of traffic violations behavior is also the important means tightened traffic management with the behavior of specification driver.The limitation of traditional electronic police system also progressively embodies.The high-definition electronic police system that existing market uses can only carry out illegal behaviour capturing to the vehicle in first tens meters of camera lens, and some line ball lane changes, tune violating the regulations, if the unlawful practices such as parking offense occur in position far away, system cannot capture important law enforcement information such as knowing car plate.The meanwhile acquisition of traffic parameter is the important component part of traffic intelligence.Obtain traffic parameter in the mode of video analysis easy for installation with it, the reasons such as information is comprehensive more and more become main way.
In existing intelligent transportation system, the detection of road cross uses independent high definition gun type camera detect road cross and capture traffic violation vehicle.Conventional detection mode is the traffic conditions of gun type camera record crossroad, and shooting direction is consistent with vehicle heading, and the candid photograph of vehicles peccancy is characterized as the car plate photo of vehicle rear.Some high-definition electronic police system used current can only carry out violating the regulations candid photograph to the vehicle in first tens meters of camera lens, and some line ball lane changes, the acts of violating regulations such as parking offense usually occur in camera lens road in the rear section, conventional system effectively cannot be captured all kinds of the breaking rules and regulations in this region, defines the blind spot in Road Detection region.
Chinese invention patent (patent No. CN201010615183.X) discloses traffic intersection vehicle snapshot evidence collecting method and the system of the detection of a kind of panoramic video: it is " by detecting video camera, candid camera, web-transporting device, crossing or central computer, light filling equipment, the system of vertical rod and support composition realizes traffic intersection vehicle snapshot evidence collecting method, the feature of method is, at the panorama comprising all directions gateway above the ground perpendicular to 90 °, ground, crossing or be similar to 90 ° of mounting meanss and install one or more and detect video camera, detect the various illegal running behavioural informations of each car at crossing, each direction of a traffic intersection is equipped with one or more candid camera, and for capturing vehicle license, when vehicle is in illegal state, vehicle rolls the picture at crossing away from, extract picture when vehicle is in illegal state in the picture that processing unit root candid camera is captured continuously and detect the effective illegal evidentiary material of illegal information composition that video camera detects ... ".But this contrive equipment complex structure, greatly, cost performance is low for installation, using method randomness; Insufficient disclosed in the technology contents of this invention, what have can not effectively implement, and the method for use is loaded down with trivial details, can only carry out file of capturing violating the regulations collect evidence to the vehicle of traffic intersection, also do not disclose the measuring method of many traffic parameters, let alone the warning of traffic events and traffic intelligent have been monitored.
Chinese utility model patent " the parking offense grasp shoot device based on intellectual analysis video monitoring " (patent No.: 201220112270.8): it " comprise candid photograph panoramic camera input end violating the regulations; connect intellectual analysis video server; and then connect Embedded Workstation; connect drived control vehicle feature high definition ball machine again ... ...,; " but its function singleness, involved by only having parking offense, more can not carry out the measurement and monitoring of many traffic parameters.
Therefore, at present in intelligent traffic monitoring field, be badly in need of the traffic monitoring system that a kind of structure is simple, integrate traffic parameter measurement and traffic monitoring.
Summary of the invention:
The object of the invention is to overcome prior art weak point, provide a kind of traffic parameter to measure intelligent city's road cross traffic monitoring system that accuracy rate is higher, managerial ability is stronger---the interlock road traffic parameter collection of rifle ball and capturing system violating the regulations.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of rifle ball interlock road traffic parameter collection and capturing system violating the regulations, it is by gun type camera, ball video camera, the network switch, event analysis instrument and signal controller composition, gun type camera and ball video camera are arranged on the front upper place of detected vehicle, and be connected with the network switch, the network switch is connected with event analysis instrument, it is characterized in that, control signal module in the Vehicle Detection software module of installing in described event analysis instrument and violation picture synthesis module, its workflow, be achieved in that
1.1 rifle ball sizings: pass vehicle coordinate adjustment ball machine angle in violation of rules and regulations according to gunlock, guarantee that two camera fields of view centers are consistent;
1.2 rifle balls map: the violation vehicle coordinate passed with gunlock sets up the stereoscopic model that take ground as reference system for unique point;
1.3 ball machine calibrations: to numerous pixel shooting point positions equally distributed on the shooting form of ball video camera, carry out repeatedly convergent-divergent and rotation, ensure that the shooting of every frame can take the close up view of a width standard vehicle, again the angle of camera skew of numerous secondary adjustment and the adjustment data of focal length, be recorded in the rom chip of microprocessor, as the calculating operation data adjusting picture angle later, gun type camera and ball video camera is made to realize Collaborative Control when detecting;
1.4 ball machines are captured: gun type camera is broken rules and regulations according to the automobile video frequency parameter preset the regulation of threshold value, once find that there is the video of traffic violation, just send the digital signal of abnormal traffic event thereupon, drive the work of twin camera interlocking module, and send the shooting angle of adjustment ball video camera and the instruction of lens focus immediately, ball video camera captures rapidly process and the close up view of abnormal traffic event generation by this instruction, with yuv format, violation picture synthesis is carried out to the violation video image captured thereupon, then the picture after compression and synthesis in the jpeg-format, carry out being uploaded to urban transportation command centre through FTP, the text message of vehicle is then undertaken being uploaded to urban transportation command centre by WEBSERVICE in violation of rules and regulations, with the form of word and picture, real-time synchronization sends the early warning information of traffic events.
By described scheme, when the break in traffic rules and regulations event of line ball lane change occurs, rifle ball interlocking module starts, and concrete operations are as follows:
The 2.1 vehicles peccancy tracks calculated according to analysis module by gun type camera are captured, and capture three, process picture violating the regulations continuously, when candid photograph the second pictures, ball video camera receives the co-ordinate position information of vehicles peccancy;
2.2 immediately ball video camera according to demarcating the dimensionally surface model set up, according to the co-ordinate position information instruction of the vehicles peccancy received, changing the direction of its video camera and lens focus to assigned address, and capturing vehicle feature one;
2.3 illegal picture synthesis modules, obtain three process pictures violating the regulations and vehicle feature synthesizes 1 by above-mentioned, and are printed on above synthesising picture by the license board information identified in feature, boil down to jpeg format file;
Synthesising picture is transferred to backstage by the network port by 2.4 illegal picture transfer modules;
Automatically return to original camera site after 2.5 ball video cameras complete candid photograph and carry out work.
By described scheme, have the default value of many groups shooting image parameter (as brightness, contrast, saturation degree, time shutter etc.) to arrange in described gun type camera, traffic control personnel in backstage can carry out remote auto or manually regulate and control; On-the-spot at crossing, the relevant personnel also on event analysis instrument, can insert external connection type keyboard, adjust manually or automatically, can also adjust the video parameter of vehicle peccancy and threshold value violating the regulations thereof it.
Described realization is to the real-time monitoring of road cross traffic, when crossing traffic is normally unobstructed, in the rolling screen of urban transportation command centre traffic monitoring, show the video of the specific region, crossing of crossing panoramic video captured by gun type camera and ball shot by camera simultaneously, the below of screen, also plays the traffic parameter about crossing in real time; When crossing traffic is obstructed or is crowded, event analysis instrument starts control signal module work, and drive singal controller: the traffic light at reed time controll crossing, open crossing Traffic Announcement, report to the police to broadcasting station, city and TV station's transmission information, 110; When there is vehicles peccancy at crossing, its synthesising picture violating the regulations, appears in monitoring screen immediately, simultaneously stored in the same day this crossing vehicles peccancy archives and car owner violating the regulations driving archives in; In addition, the traffic control operator on duty of urban transportation command centre, can also according to region and citywide traffic fact, and regulation and control event analysis instrument, carries out long-range pool keyholed back plate to monitoring crossing traffic.
By described scheme, the measuring method of described system traffic parameter, performing step is:
(4.1), at road cross, system equipment installed, debug;
(4.2), choose on road with reference to a, b, c, d in kind as point coordinate, and measure the actual range of each line segment;
(4.3), by each line segment real data be input to analysis module, the mapping relations of certainty annuity image coordinate system and world coordinate system are so that system is to the calculating of car speed;
(4.4), set up mapping relations after, system can detect the traffic parameter of arbitrary region on road, is L and parallel with road travel direction if surveyed area is rectangle ABCD, CD length;
(4.5), when vehicle enters line segment AB, analysis module starts follow the tracks of track of vehicle and start timing;
(4.6), when vehicle rolls line segment DC away from, analysis module stops timing, and automatically calculates vehicle by AD line segment required time, and above data transfer to traffic parameter measurement module;
(4.7), when vehicle rolls line segment DC away from, analysis module counts by vehicle, and above data transfer to traffic parameter measurement module;
(4.8), traffic parameter measurement module according to system requirements, by referring to the vehicle fleet size of object area in the statistical unit time, calculate vehicle flowrate; According to the time by surveyed area vehicle, calculate the average velocity in vehicle passing detection region.
Specifically illustrate the detection method of traffic parameter: have on a certain track of AB line segment vehicle by time, automatic trace routine starts, and starts timing, and this moment is t1; Under normal circumstances, DC line segment first has vehicle to pass through, and when the 1st car first entering AB line segment leaves DC line segment, it is 1 that vehicle adds up numeration, stop from motion tracking, and terminating timing, this moment is t2, equally, when the 2nd car entering AB line segment leaves DC line segment, vehicle stored count is 2 ..., until
n carin the t2 moment, when last car entering AB line segment leaves DC line segment, vehicle stored count is N,
within the time that N car passes through, on this track
vehicle flowratejust detect exactly; When many tracks when wagon flow while in surveyed area travel, system is followed the tracks of each car separately, at this moment system can divide surveyed area by track quantity, carry out shunting detection, comprehensive statistics, detect the unidirectional vehicle flowrate of this road, two-way vehicle flowrate, implement the whole detection for pavement of road fast and accurately.
When measuring the average velocity of bicycle, we have set in the ABCD of detection zone, and the straight distance of AB to CD is L, system keeps track, detect that it is △ t by the time of detection zone, by formula, can calculate bicycle average velocity V:V=L/ △ t (meter per second)
Equally, when on the unidirectional track of measurement, during the average velocity of vehicle, as long as within this △ t period, undertaken accumulative average by the bicycle average velocity of each vehicle in this district; In like manner, the two-way vehicle flowrate of a road, the vehicle average velocity of a road, when road junction be junctions, cross road junction or many road junctions intersect time, vehicle flowrate and the vehicle average velocity at full road junction all can detect exactly.
In like manner, apply above-mentioned detection method and testing result, traffic parameter by other: vehicle instantaneous velocity (△ t shortens), queue length, time headway, lane occupancy ratio, time occupancy accurately and easily detect and come out, and repeat no more.Just present system can according to the traffic characteristic of different cities and regional, with reference to country " traffic information collection standard " (GB/T24726-2009), characteristic definition is carried out to above-mentioned detected parameters, establishes rules and choose, simply and efficiently to carry out the intelligent transportation supervision at road junction.
Compared with prior art, the beneficial effect of patent of the present invention is:
1, double vision window detects picture
In present system, the video flowing of two camera acquisitions is after decoding, can show in the monitored picture of event analysis instrument and traffic control center (backstage) simultaneously, under the prerequisite not affecting normal road Vehicle Detection, traffic administration personnel can carry out multi-angle, multi-faceted detection to road traffic condition at any time, and send real-time traffic management and control instruction to monitoring road junction.
2, road specific region is detected
In present system, the traffic control personnel on backstage can at any time to ball video camera, carry out the setting of manual parameters, remote adjustment its lens shooting angle and focal length, detect the specific region in the middle of road, clear, details exactly in recording exceptional traffic events generating process, comprehensive reflection vehicles peccancy information, traffic events analyser according to the vehicle feature of ball video capture, can be analyzed car plate, comprises color recognizing for vehicle id, character recognition etc.; Provide strong proof for break in traffic rules and regulations management, this greatly makes up the defect that existing electronic police detects, and alternative special police car is captured and manually fixed a point to capture, and saves city police strength.
3, traffic parameter collection and measure accurately, comprehensively;
The mode of traditional electronic police application tracking shooting, for monitor from rear end crossing vehicle, when vehicle runs into red light, there will be comparatively big error to vehicle flowrate.The native system mouthful vehicle that satisfies the need from front upper place detects, and can avoid the measuring error of the traffic parameter caused because of red light; Simultaneously, present system adopts the measuring methods such as a whole set of reasonable effective camera coordinates location, vehicle tracking, vehicle count, a series of high-precision transport information parameter can be obtained fast, for fair and reasonable traffic monitoring provides jumbo transport information and evidence of breaking rules and regulations reliably in real time.
4, crossing traffic real-time monitoring
Traffic events analyser is analyzed in real time the crossing traffic information collected, is counted, and with and issue instructions to the traffic signal control 5 at road junction, control the traffic light at crossing, open the Traffic Announcement etc. at crossing, thus ensure that road junction smooth traffic is effective.
5, capture and measure perfect fusion, structure is advanced simple, and real-time is wide
The core component of present system---traffic events analyser is reasonable in design, structure simple, all weather operations, contained Vehicle Detection software module capacity is large, the method of capturing and measure is advanced, the function of the rotatable and zoom of ball video camera, make up the deficiency of simple gun type camera in special traffic events, as many cars violation event and rule-breaking vehicle lane change event etc. simultaneously; The present invention captures in time, measure accurately, this all makes present system cost performance high, with low cost, widely applicable, function i ntegration, information interaction, and on the basis of the process of information, excavation, fusion, prediction, realize integrated management aid decision making, the command scheduling of urban transportation, for guaranteeing that the standardization driving management of urban transportation provides sound assurance.
So present system is the perspective product of traffic video monitoring.
Accompanying drawing explanation
Fig. 1 is the structural drawing block scheme of intelligent traffic monitoring system of the present invention
Fig. 2 is present system running software process flow diagram
Fig. 3 is the schematic diagram that present system gun type camera captures line ball lane change vehicle violating the regulations
Fig. 4 is that present system ball video capture is broken rules and regulations the close-up schematic view of line ball lane change vehicle
Fig. 5 is the measuring method schematic diagram of present system vehicle flowrate and vehicle average velocity
Fig. 6 is that present system installs and uses schematic diagram at cross road junction.
Embodiment
Below in conjunction with drawings and Examples, present system is described in more detail: as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, gun type camera and ball video camera are arranged on the cross bar (or the other vertical rod of road) about the 4-8 rice of road front upper place, these two video cameras are as far as possible near installing, distance is no more than 1 meter, and they are connected to the network switch (for the twin camera that closely connects and traffic events analyser with private network cable; When it connects distance more than 50 meters, application fiber optical transceiver replaces the network switch), the latter is connected with traffic events analyser again, and finally, traffic events analyser is connected to traffic control center LAN (Local Area Network) by metropolitan area telecommunications backbone or special optical cable.
After above equipment installs, at crossing, two video cameras are debugged: the road monitoring scope first regulating gun type camera, then setting angle and the pick-up lens focal length of ball video camera is adjusted, ensure that the field range of ball video camera is as far as possible consistent with gun type camera, this is as the initial point of ball video capture coordinate system, simultaneously, rifle ball interlocking module in event analysis instrument, application Binocular Vision Principle, automatically the corresponding point of gun type camera and ball video camera are compared, set up one take ground as the stereoscopic model of reference system and preserve in the microprocessor, convergent-divergent and rotation are carried out repeatedly to numerous pixel shooting point positions equally distributed on ball video camera, ensure that the shooting of every frame can take the close up view of a width standard vehicle, again the angle of camera skew repeatedly adjusted and the adjustment data of focal length, be recorded in the rom chip of microprocessor, as the calculating operation data adjusting picture angle later, and by point duty LAN (Local Area Network) (backstage), the every analytical parameters of system is arranged, and violation criteria is arranged.
During present system work, the H264 formatted file decompress(ion) of input is yuv format file by decoding video stream module, and is input to analysis module; Analysis module proceeds as follows:
The traffic parameter data such as vehicle flowrate, vehicle instantaneous velocity, vehicle average velocity, queue length, time headway, lane occupancy ratio, time occupancy analyzing, calculate gained are transferred to backstage by the network port of event analysis instrument by 1, when being judged as that traffic abnormal incident occurs, also send alerting signal to backstage by the network port;
2 transfer to control signal module by analyzing the traffic parameter data of gained, and transfer to traffic signal controlling machine 5 by 485 PORT COM, thus can reed time controll crossroads traffic light, open the Traffic Announcement etc. at crossing;
3 when there is the break in traffic rules and regulations event of line ball lane change, and rifle ball interlocking module starts, and concrete operations are as follows:
3.1 are carried out capturing (as shown in Figure 3) according to the vehicles peccancy track that analysis module calculates by gun type camera, continuous candid photograph is broken rules and regulations three, process picture, when candid photograph the second pictures, ball video camera receives the co-ordinate position information of vehicles peccancy;
3.2 immediately ball video camera according to demarcating the dimensionally surface model set up, according to the co-ordinate position information instruction of the vehicles peccancy received, change the direction of its video camera and lens focus to assigned address, and capture vehicle feature one (as shown in Figure 4);
3.3 illegal picture synthesis modules, obtain 3 process pictures violating the regulations and vehicle feature synthesizes 1 by above-mentioned, and are printed on above synthesising picture by the license board information identified in feature, boil down to jpeg format file;
Synthesising picture is transferred to backstage by the network port by 3.4 illegal picture transfer modules;
Automatically return to original camera site after 3.5 ball video cameras complete candid photograph and carry out work.
4 photographed other violation event (as running red light for vehicle, disobey and stop, drive in the wrong direction, line ball lane change, take bus zone, hypervelocity etc.) when gun type camera, also all can according to the workflow of the break in traffic rules and regulations event of above-mentioned line ball lane change, analysis and resolution is out.
The transport information such as 5 above-mentioned detected traffic parameter, image and data, by the network output mouth of traffic events analyser, transfer in background data base.
Here is another embodiment that present system uses at cross road junction: as shown in Figure 6, at cross road junction, there are 4 by inspection road junction, need the two video detection systems of above-mentioned 4 cover of independent installation, like this, as long as the column often overlapping detection system installation video camera, be fastened on an angle at cross road junction, the detection video of video camera is made to cover vehicle flux monitor district corresponding to it, they are installed, debugging, use procedure and method same as the previously described embodiments, just can carry out the comprehensive detection in cross road junction and supervision, also rule-breaking vehicle lane change is specifically demonstrated in Fig. 6, the video violating the regulations making a dash across the red light and drive in the wrong direction, detect and grasp shoot method same as described above.
Claims (4)
1. a rifle ball interlock road traffic parameter collection and capturing system violating the regulations, it is made up of gun type camera, ball video camera, the network switch, event analysis instrument and signal controller, gun type camera and ball video camera are arranged on the front upper place of detected vehicle, and be connected with the network switch, the network switch is connected with event analysis instrument, it is characterized in that, control signal module in the Vehicle Detection software module of installing in described event analysis instrument and violation picture synthesis module, its workflow, is achieved in that
1.1 rifle ball sizings: pass vehicle coordinate adjustment ball machine angle in violation of rules and regulations according to gunlock, guarantee that two camera fields of view centers are consistent;
1.2 rifle balls map: the violation vehicle coordinate passed with gunlock sets up the stereoscopic model that take ground as reference system for unique point;
1.3 ball machine calibrations: to numerous pixel shooting point positions equally distributed on the shooting form of ball video camera, carry out repeatedly convergent-divergent and rotation, ensure that the shooting of every frame can take the close up view of a width standard vehicle, again the angle of camera skew of numerous secondary adjustment and the adjustment data of focal length, be recorded in the rom chip of microprocessor, as the calculating operation data adjusting picture angle later, gun type camera and ball video camera is made to realize Collaborative Control when detecting;
1.4 ball machines are captured: gun type camera is broken rules and regulations according to the automobile video frequency parameter preset the regulation of threshold value, once find that there is the video of traffic violation, just send the digital signal of abnormal traffic event thereupon, drive the work of twin camera interlocking module, and send the shooting angle of adjustment ball video camera and the instruction of lens focus immediately, ball video camera captures rapidly process and the close up view of abnormal traffic event generation by this instruction, with yuv format, violation picture synthesis is carried out to the violation video image captured thereupon, then the picture after compression and synthesis in the jpeg-format, carry out being uploaded to urban transportation command centre through FTP, the text message of vehicle is then undertaken being uploaded to urban transportation command centre by WEBSERVICE in violation of rules and regulations, with the form of word and picture, real-time synchronization sends the early warning information of traffic events.
2. rifle ball interlock road traffic parameter collection according to claim 1 and capturing system violating the regulations, is characterized in that, when there is the break in traffic rules and regulations event of line ball lane change, rifle ball interlocking module starts, and concrete operations are as follows:
The 2.1 vehicles peccancy tracks calculated according to analysis module by gun type camera are captured, and capture three, process picture violating the regulations continuously, when candid photograph the second pictures, ball video camera receives the co-ordinate position information of vehicles peccancy;
2.2 immediately ball video camera according to demarcating the dimensionally surface model set up, according to the co-ordinate position information instruction of the vehicles peccancy received, changing the direction of its video camera and lens focus to assigned address, and capturing vehicle feature one;
2.3 illegal picture synthesis modules, obtain three process pictures violating the regulations and vehicle feature synthesizes 1 by above-mentioned, and are printed on above synthesising picture by the license board information identified in feature, boil down to jpeg format file;
Synthesising picture is transferred to backstage by the network port by 2.4 illegal picture transfer modules;
Automatically return to original camera site after 2.5 ball video cameras complete candid photograph and carry out work.
3. rifle ball interlock road traffic parameter collection according to claim 1 and capturing system violating the regulations, it is characterized in that, described realization is to the real-time monitoring of road cross traffic, when crossing traffic is normally unobstructed, in the rolling screen of urban transportation command centre traffic monitoring, show the video of the specific region, crossing of crossing panoramic video captured by gun type camera and ball shot by camera, the below of screen simultaneously, also play the traffic parameter about crossing in real time; When crossing traffic is obstructed or is crowded, event analysis instrument starts control signal module work, and drive singal controller: the traffic light at reed time controll crossing, open crossing Traffic Announcement, report to the police to broadcasting station, city and TV station's transmission information, 110; When there is vehicles peccancy at crossing, its synthesising picture violating the regulations, appears in monitoring screen immediately, simultaneously stored in the same day this crossing vehicles peccancy archives and car owner violating the regulations driving archives in; In addition, the traffic control operator on duty of urban transportation command centre, can also according to region and citywide traffic fact, and regulation and control event analysis instrument, carries out long-range pool keyholed back plate to monitoring crossing traffic.
4. rifle ball interlock road traffic parameter collection and capturing system violating the regulations according to claim 1, it is characterized in that, the performing step of the measuring method of system traffic parameter is:
(4.1), at road cross, system equipment installed, debug;
(4.2), choose with reference to a, b, c, d in kind as point coordinate on road, and measure the actual range of each line segment;
(4.3), by each line segment real data be input to analysis module, the mapping relations of certainty annuity image coordinate system and world coordinate system are so that system is to the calculating of car speed;
(4.4), set up mapping relations after, system can detect the traffic parameter of arbitrary region on road, is L and parallel with road travel direction if surveyed area is rectangle ABCD, CD length;
(4.5), when vehicle enters line segment AB, analysis module starts follow the tracks of track of vehicle and start timing;
(4.6), when vehicle rolls line segment DC away from, analysis module stops timing, and automatically calculates vehicle by AD line segment required time, and above data transfer to traffic parameter measurement module;
(4.7), when vehicle rolls line segment DC away from, analysis module counts by vehicle, and above data transfer to traffic parameter measurement module;
(4.8), traffic parameter measurement module according to system requirements, by referring to the vehicle fleet size of object area in the statistical unit time, calculate vehicle flowrate; According to the time by surveyed area vehicle, calculate the average velocity in vehicle passing detection region;
Specifically illustrate the detection method of traffic parameter: have on a certain track of AB line segment vehicle by time, automatic trace routine starts, and starts timing, and this moment is t1; Under normal circumstances, DC line segment first has vehicle to pass through, and when the 1st car first entering AB line segment leaves DC line segment, it is 1 that vehicle adds up numeration, stop from motion tracking, and terminating timing, this moment is t2, equally, when the 2nd car entering AB line segment leaves DC line segment, vehicle stored count is 2 ..., until
n carin the t2 moment, when last car entering AB line segment leaves DC line segment, vehicle stored count is N,
within the time that N car passes through, on this track
vehicle flowratejust detect exactly; When many tracks when wagon flow while in surveyed area travel, system is followed the tracks of each car separately, at this moment system can divide surveyed area by track quantity, carry out shunting detection, comprehensive statistics, detect the unidirectional vehicle flowrate of this road, two-way vehicle flowrate, implement the whole detection for pavement of road fast and accurately;
When measuring the average velocity of bicycle, we have set in the ABCD of detection zone, and the straight distance of AB to CD is L, system keeps track, detect that it is △ t by the time of detection zone, by formula, can calculate bicycle average velocity V:
V=L/ △ t, meter per second, △ t=t2-t1
Equally, when on the unidirectional track of measurement, during the average velocity of vehicle, as long as within this △ t period, undertaken accumulative average by the bicycle average velocity of each vehicle in this district; In like manner, the two-way vehicle flowrate of a road, the vehicle average velocity of a road, when road junction be junctions, cross road junction or many road junctions intersect time, vehicle flowrate and the vehicle average velocity at full road junction all can detect exactly;
In like manner, apply above-mentioned detection method and testing result, the traffic parameter by other: vehicle instantaneous velocity, queue length, time headway, lane occupancy ratio, time occupancy, accurately and easily detect and come out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310410165.1A CN103473926B (en) | 2013-09-11 | 2013-09-11 | The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310410165.1A CN103473926B (en) | 2013-09-11 | 2013-09-11 | The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103473926A CN103473926A (en) | 2013-12-25 |
| CN103473926B true CN103473926B (en) | 2016-01-27 |
Family
ID=49798754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310410165.1A Active CN103473926B (en) | 2013-09-11 | 2013-09-11 | The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103473926B (en) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700140B (en) * | 2014-01-06 | 2017-04-12 | 武汉烽火众智数字技术有限责任公司 | Spatial modeling method used for linkage of single gun camera and multiple dome cameras |
| CN104464290B (en) * | 2014-12-08 | 2018-12-21 | 无锡加视诚智能科技有限公司 | A kind of road traffic parameter acquisition based on embedded dual core chip and capturing system violating the regulations |
| CN104616501B (en) * | 2015-02-06 | 2016-08-17 | 河海大学常州校区 | Vehicle peccancy parking detecting system based on intelligent vision and method |
| CN104639917B (en) * | 2015-03-05 | 2017-12-15 | 苏州科达科技股份有限公司 | A kind of video monitoring system and its control method |
| CN105045582B (en) * | 2015-07-07 | 2018-01-02 | 西北工业大学 | A kind of state event location method based on mobile phone photograph behavior |
| CN105185110A (en) * | 2015-08-06 | 2015-12-23 | 苏州市世跃智能科技有限公司 | Single-dome-camera-based automatic detection and snapshot apparatus and method for illegal parking |
| CN105185109A (en) * | 2015-08-06 | 2015-12-23 | 苏州市世跃智能科技有限公司 | Double-dome-camera-based automatic detection and snapshot apparatus for illegal parking |
| CN108020158A (en) * | 2016-11-04 | 2018-05-11 | 浙江大华技术股份有限公司 | A kind of three-dimensional position measuring method and device based on ball machine |
| CN105979143B (en) * | 2015-12-29 | 2020-02-07 | 广东中星电子有限公司 | Method and device for adjusting shooting parameters of dome camera |
| CN105702030B (en) * | 2016-03-01 | 2018-07-17 | 西安交通大学 | Urban safety monitoring camera dispositions method based on vehicle running orbit |
| CN105679043A (en) * | 2016-04-14 | 2016-06-15 | 中国电子科技集团公司第三十八研究所 | 3D radar intelligent bayonet system and processing method thereof |
| CN106019264A (en) * | 2016-05-22 | 2016-10-12 | 江志奇 | Binocular vision based UAV (Unmanned Aerial Vehicle) danger vehicle distance identifying system and method |
| CN105894821A (en) * | 2016-06-12 | 2016-08-24 | 上海电科智能系统股份有限公司 | High-definition DSP camera based comprehensive traffic monitoring system |
| CN106412508A (en) * | 2016-09-30 | 2017-02-15 | 北京中星微电子有限公司 | Intelligent monitoring method and system of illegal line press of vehicles |
| CN106530746A (en) * | 2016-10-28 | 2017-03-22 | 江苏信息职业技术学院 | Vehicle speed detection apparatus and detection method based on video technology |
| CN108122409A (en) * | 2016-11-29 | 2018-06-05 | 上海泓鎏智能科技有限公司 | Overheight Vehicles capturing system and its grasp shoot method based on video detection |
| CN108269403A (en) * | 2016-12-30 | 2018-07-10 | 上海泓鎏智能科技有限公司 | Detect the grasp shoot device and grasp shoot method of break in traffic rules and regulations |
| CN110494902A (en) * | 2017-02-03 | 2019-11-22 | 西门子交通有限责任公司 | For managing the system, apparatus and method of the traffic in geographical location |
| CN107645653B (en) * | 2017-11-01 | 2020-11-13 | 广东省电子技术研究所 | Method, device and equipment for tracking shooting by camera and storage medium |
| CN108305466B (en) * | 2018-03-13 | 2020-05-08 | 北京智芯原动科技有限公司 | Roadside parking detection method and device based on vehicle characteristic analysis |
| CN108460972A (en) * | 2018-05-17 | 2018-08-28 | 南京云思创智信息科技有限公司 | A kind of more car plates based on unmanned plane independently detection and positioning system and method |
| CN108765946B (en) * | 2018-06-01 | 2020-06-16 | 浙江大学 | Lane group traffic demand prediction method based on red light running automatic recording system data |
| CN110581979B (en) * | 2018-06-08 | 2021-04-09 | 杭州海康威视数字技术股份有限公司 | Image acquisition system, method and device |
| CN108877237B (en) * | 2018-07-27 | 2020-07-14 | 长安大学 | Vehicle running speed integrated resolving system and method based on monitoring video image |
| CN108810390A (en) * | 2018-09-07 | 2018-11-13 | 厦门博聪信息技术有限公司 | A kind of the large scene vehicle illegal candid camera and its vehicle illegal grasp shoot method of rifle ball cooperating type |
| CN109285355A (en) * | 2018-10-19 | 2019-01-29 | 天津天地人和企业管理咨询有限公司 | A kind of front and back candid photograph traffic cameras system |
| CN109697857A (en) * | 2019-01-18 | 2019-04-30 | 合肥米佑信息技术有限公司 | Intelligent traffic control system based on image recognition and neural network algorithm |
| CN109872542A (en) * | 2019-03-19 | 2019-06-11 | 江苏尤特斯新技术有限公司 | Compound eye traffic offence apparatus for obtaining evidence |
| CN110285793B (en) * | 2019-07-08 | 2020-05-15 | 中原工学院 | Intelligent vehicle track measuring method based on binocular stereo vision system |
| CN110415526A (en) * | 2019-07-29 | 2019-11-05 | 北京精英路通科技有限公司 | A kind of parking monitoring device |
| CN110738150B (en) * | 2019-09-29 | 2023-01-17 | 浙江大华技术股份有限公司 | Camera linkage snapshot method and device and computer storage medium |
| CN110782677A (en) * | 2019-11-25 | 2020-02-11 | 湖南车路协同智能科技有限公司 | Illegal vehicle snapshot warning method and device |
| CN111063148A (en) * | 2019-12-30 | 2020-04-24 | 神思电子技术股份有限公司 | Remote night vision target video detection method |
| CN112270243A (en) * | 2020-04-15 | 2021-01-26 | 陈建 | Intercepted image synthesis method and system based on intelligent traffic and cloud server |
| CN112489440B (en) * | 2020-11-27 | 2022-11-08 | 天地伟业技术有限公司 | Method for reducing license plate misidentification and improving identification precision |
| CN113327248B (en) * | 2021-08-03 | 2021-11-26 | 四川九通智路科技有限公司 | Tunnel traffic flow statistical method based on video |
| CN113569813A (en) * | 2021-09-05 | 2021-10-29 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Intelligent image recognition system and method based on server side |
| CN113888871B (en) * | 2021-10-20 | 2023-05-05 | 上海电科智能系统股份有限公司 | Automatic handling linkage system and method for expressway traffic incidents |
| CN113990069B (en) * | 2021-10-28 | 2023-05-16 | 陕西省君凯电子科技有限公司 | Urban traffic management method and system based on satellite linkage technology |
| CN114763869B (en) * | 2022-03-14 | 2023-11-17 | 兰州交通大学 | 5G-based traffic monitoring and adjusting device |
| CN115083148A (en) * | 2022-05-16 | 2022-09-20 | 中铁十九局集团第六工程有限公司 | Tunnel vehicle violation monitoring and early warning method, computer device and computer readable storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831892A (en) * | 2006-04-18 | 2006-09-13 | 北京铱星世纪数字应用开发有限责任公司 | Traffic monitoring method and electronic police system |
| CN1921622A (en) * | 2006-09-15 | 2007-02-28 | 杭州华为三康技术有限公司 | Video monitoring equipment and device |
| CN101178854A (en) * | 2006-11-07 | 2008-05-14 | 奥城同立科技开发（北京）有限公司 | Traffic roads image multi-way grasp shoot method and electronic policeman system |
| CN101246644A (en) * | 2007-12-28 | 2008-08-20 | 北京航空航天大学 | Fixed intersection electric police grasp shoot device |
| CN101465033A (en) * | 2008-05-28 | 2009-06-24 | 丁国锋 | Automatic tracking recognition system and method |
| CN201655024U (en) * | 2010-04-12 | 2010-11-24 | 西安翔迅科技有限责任公司 | Junction traffic information comprehensive measurement alarm system |
| CN102254429A (en) * | 2011-05-13 | 2011-11-23 | 东南大学 | Video identification-based detection apparatus and method of vehicles against regulations |
| CN102368356A (en) * | 2011-10-24 | 2012-03-07 | 姜廷顺 | Monitoring system and method used for freeway ramp mouth |
| CN102768800A (en) * | 2012-07-12 | 2012-11-07 | 复旦大学 | Motor vehicle red light running rule violation evidence obtaining method based on high-definition videos |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110182473A1 (en) * | 2010-01-28 | 2011-07-28 | American Traffic Solutions, Inc. of Kansas | System and method for video signal sensing using traffic enforcement cameras |
| TWI475524B (en) * | 2011-04-15 | 2015-03-01 | Hon Hai Prec Ind Co Ltd | System and method for inspection of cars that violate traffic regulations using images |
-
2013
- 2013-09-11 CN CN201310410165.1A patent/CN103473926B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831892A (en) * | 2006-04-18 | 2006-09-13 | 北京铱星世纪数字应用开发有限责任公司 | Traffic monitoring method and electronic police system |
| CN1921622A (en) * | 2006-09-15 | 2007-02-28 | 杭州华为三康技术有限公司 | Video monitoring equipment and device |
| CN101178854A (en) * | 2006-11-07 | 2008-05-14 | 奥城同立科技开发（北京）有限公司 | Traffic roads image multi-way grasp shoot method and electronic policeman system |
| CN101246644A (en) * | 2007-12-28 | 2008-08-20 | 北京航空航天大学 | Fixed intersection electric police grasp shoot device |
| CN101465033A (en) * | 2008-05-28 | 2009-06-24 | 丁国锋 | Automatic tracking recognition system and method |
| CN201655024U (en) * | 2010-04-12 | 2010-11-24 | 西安翔迅科技有限责任公司 | Junction traffic information comprehensive measurement alarm system |
| CN102254429A (en) * | 2011-05-13 | 2011-11-23 | 东南大学 | Video identification-based detection apparatus and method of vehicles against regulations |
| CN102368356A (en) * | 2011-10-24 | 2012-03-07 | 姜廷顺 | Monitoring system and method used for freeway ramp mouth |
| CN102768800A (en) * | 2012-07-12 | 2012-11-07 | 复旦大学 | Motor vehicle red light running rule violation evidence obtaining method based on high-definition videos |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103473926A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103473926B (en) | The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations | |
| CN104464290B (en) | A kind of road traffic parameter acquisition based on embedded dual core chip and capturing system violating the regulations | |
| CN103927878B (en) | A kind of automatic shooting device for parking offense and automatically grasp shoot method | |
| CN103676829B (en) | Intelligent city based on video total management system and method thereof | |
| WO2021031338A1 (en) | Multiple object tracking and identification method and apparatus based on multi-radar cross-regional networking | |
| CN100578562C (en) | Method for monitoring vehicle offences by video | |
| CN201655024U (en) | Junction traffic information comprehensive measurement alarm system | |
| CA2747337C (en) | Multiple object speed tracking system | |
| CN104506804B (en) | Motor vehicle abnormal behaviour monitoring device and its method on a kind of through street | |
| CN103258429B (en) | Video detecting method aims at vehicles which enter into jammed intersection by force | |
| CN202771619U (en) | Automatic snapshot device for illegal parking | |
| CN105679043A (en) | 3D radar intelligent bayonet system and processing method thereof | |
| KR100835085B1 (en) | A real time processing system and method of a traffic accident using an unmanned recording device | |
| CN102129775A (en) | Method and system for obtaining evidence by capturing vehicles at traffic crossing under panoramic video detection | |
| CN106530738A (en) | Real-time traffic information generation and service method in tunnel and system thereof | |
| CN202422425U (en) | Video-detection-based intelligent signal control system for crossing | |
| CN204965750U (en) | Device that illegal automated inspection that parks took a candid photograph based on two balls machine | |
| CN104658279A (en) | Real-time optimization signal control method and system based on video traffic state monitoring | |
| CN106683400A (en) | Method and a system for obtaining evidence by capturing vehicles at traffic crossing under panoramic video detection | |
| CN107527506A (en) | Embedded radar monitors recombination optics and radar monitoring capturing system and method | |
| CN109979242A (en) | A kind of freeway tunnel lane change, overtake other vehicles prior-warning device and method | |
| CN105118292A (en) | Gate type electronic police system | |
| CN104036640A (en) | Panoramic image acquisition device and panoramic image acquisition method | |
| JP3711518B2 (en) | Traffic signal ignoring vehicle automatic recording apparatus and method | |
| CN202013659U (en) | Intelligent safe traffic information platform based on embedded platform imaging processing and wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Gun ball linkage road traffic parameter acquisition and violation capture system Effective date of registration: 20211122 Granted publication date: 20160127 Pledgee: Bank of China Wuxi Binhu sub branch Pledgor: WUXI JUSTTRUST INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2021980012908 |