CN102081844A - Traffic video behavior analyzing and alarming server - Google Patents
Traffic video behavior analyzing and alarming server Download PDFInfo
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Abstract
The invention discloses a traffic video behavior analyzing and alarming server, comprising a video source input unit, a central processing unit, an alarm unit, a display unit and a storage unit, wherein the video source input unit provides a plurality of paths of traffic video data streams to the central processing unit, the central processing unit simultaneously analyzes various traffic behavior violation on the plurality of paths of video data streams and triggers the alarming unit according to a traffic behavior violation analysis result, the alarm unit alarms in a set mode, the display unit displays the traffic videos and the traffic behavior violation analysis process and results in real time, and the storage unit stores the traffic video streams including whole vehicle violation processes, and the records of the violation analysis results. By means of the invention, various traffic behaviors (such as line crossing, retrogradation, illegal parking, traffic accidents and traffic flow statistics) in a plurality of paths of traffic video streams can be analyzed simultaneously and independently in real time, vehicle violation can be found out in all paths of traffic video streams in real time, and alarm treatment can be carried out in a very short time.
Description
Technical field
The invention belongs to traffic monitoring and intelligent video analysis field, be specifically related to a kind of traffic video behavioural analysis and Alarm Server, carry out various traffic behavior analyses and warning in real time according to traffic video stream.
Background technology
Intelligent video analysis is meant by the practical computer technology and extracts Useful Information from vision signal, and video content is carried out the real-time intelligent analysis.Its essence be computing machine to the extraction of " useful content " and the process of understanding in the video, to be computing machine analyze, understand, discern and take some measure to the particular event that takes place in the video scene or the specific behavior of target to the key of this process.
Along with the increase of public transport awareness of safety, traffic surveillance and control system has been obtained significant progress, and has obtained using widely.But present most video monitoring system does not also possess the ability of intellectual analysis video content, and all monitor videos must rely on manpower to handle.Yet the video that relies on the numerous camera of manpower monitoring to take has significant limitation: the one, and people's energy is limited, can not pay close attention to video information at any time; The 2nd, amount of video information is huge, and same time showing is limited at the camera lens of video wall, tends to miss the information that some merit attention; The 3rd, video information is difficult to obtain analysis-by-synthesis, causes easily the mistake of the state of affairs is estimated.Therefore a large amount of videos has in fact just played the effect of " inquiry afterwards ", the not information-based maximum utility of handling of performance.
In traffic surveillance and control system,, can filter out the normal video more than 90% effectively by using the intelligent video analysis technology.When predefined particular event takes place, the automatic warning function prompt video monitor staff of system pays close attention to this incident and confirms whether to take certain measure, thereby need not the monitor staff stare at monitor at any time and watch, when liberating monitor staff's labor capacity greatly, improved monitor staff's work efficiency.The intelligent video analysis technology has improved real-time monitoring and the alert capability to particular event, has shortened the time that incident is made a response and taked corresponding strategy greatly.Because the common more complicated of video content analysis algorithm, change closely related with weather condition and light, and there is not effective method can improve its degree of parallelism, so present intelligent traffic monitoring system at specific application scenarios and specific incident, is difficult to accomplish the multidiameter delay analysis often.Therefore, can to handle the intelligent transportation watch-dog of the multiple behavioural analysis under multi-channel video, a plurality of scene simultaneously be very to be necessary in exploitation.
Summary of the invention
The objective of the invention is to remedy the deficiency of existing traffic surveillance and control system, a kind of traffic video behavioural analysis and Alarm Server are provided, handle the various traffic behavior analyses under multi-channel video, a plurality of scene in real time.
A kind of traffic video behavioural analysis and Alarm Server, comprise the video source input block, CPU (central processing unit), alarm unit, display unit and storage unit, the video source input block provides the data stream of the traffic video more than a tunnel to CPU (central processing unit), CPU (central processing unit) is carried out different traffic behaviors to each road video data stream simultaneously and is analyzed in violation of rules and regulations, trigger alarm unit according to the violation analysis result, alarm unit is reported to the police with setting means, display unit shows each road traffic video and traffic behavior analytic process and result in violation of rules and regulations in real time, and cell stores comprises the traffic video stream and the violation analysis result of rule-breaking vehicle overall process.
Further, described CPU (central processing unit) comprises
The Target Recognition module is used for identifying vehicle and pedestrian in each road traffic video data stream;
The traffic behavior analysis module is used to follow the tracks of vehicle and pedestrian, its motor behavior is carried out violation analyze;
The car plate identification module is used to control the vehicle license plate number that camera is caught unlawful practice;
Central processing module is used for coordinating the above-mentioned module of control and carries out corresponding function.
Further, described traffic behavior analyze in violation of rules and regulations comprise to vehicle get over line, drive in the wrong direction, disobey stop, accident, make a dash across the red light, the wagon flow quantitative analysis.
Further, described type of alarm has: (a) analysis result sends existing traffic surveillance and control system in violation of rules and regulations; (b) notify the related personnel by Email or SMS with the violation analysis result; (c) activate the acousto-optic equipment alarm.
Further, described traffic behavior analysis module adopts particle filter algorithm to follow the tracks of vehicle and pedestrian.
Technique effect of the present invention is embodied in:
Traffic video behavioural analysis and Alarm Server can be simultaneously and independently to multiple traffic behavior in the multichannel traffic video stream (comprise more line, drive in the wrong direction, disobey stop, traffic hazard, vehicle flowrate) parallelly carry out real-time analysis, the unlawful practice of vehicle in each road video flowing of discovery that can be real-time, and in very short time, make reporting to the police and handle.When analysis is found the rule-breaking vehicle behavior is arranged, control the PTZ camera automatically and obtain the close shot video flowing of car plate to improve the accuracy rate of car plate identification.The present invention is except carrying out the comprehensive detection the various unlawful practices of vehicular traffic, can also carry out statistical study (comprising the calculating of the vehicle count and the speed of a motor vehicle) to judge the jam level of current road to traffic in real time, be convenient to the traffic administration personnel and regulate and control the generation that wagon flow moves towards to reduce the congestion in road situation.Traffic video behavioural analysis and Alarm Server are when carrying out various analyses, with real-time being presented on the monitor of monitored picture, so that the monitor staff checks the concrete condition in current monitoring highway section and process and the result that traffic behavior is analyzed in violation of rules and regulations intuitively.Traffic video behavioural analysis and Alarm Server can not only be handled real-time video flowing, can also carry out various traffic behaviors to the traffic monitoring video record of multiple form (comprising H.264 avi etc.) and analyze in violation of rules and regulations.
Traffic video behavioural analysis and Alarm Server support are done necessary stored record to the traffic violations behavior, as evidence so that can inquire about in the future.Comprise and trigger video recording storage that band pre-records with registration of vehicle complete procedure in violation of rules and regulations, but supply and demand will the time check the violation video recording of vehicle; Place, time, unlawful practice type and the license plate number of violation rule-breaking vehicle are write database so that inquiry and statistics.
Traffic video behavioural analysis and Alarm Server support are done corresponding warning at the traffic violations behavior and are handled.Comprise that activating the acousto-optic equipment alarm has the rule-breaking vehicle behavior to take place to remind the monitor staff, the monitor staff can make corresponding processing according to prompting; Send E-mail to the related personnel and describe road traffic condition and rule-breaking vehicle behavior, the traffic congestion situation and the rule-breaking vehicle situation that can supply the related personnel to check any highway section whenever and wherever possible; Send warning message for existing traffic video monitoring system so as existing supervisory system to rule-breaking vehicle behavior do synchronous processing, so just can with the perfect compatibility of existing traffic video monitoring system.
Description of drawings
Fig. 1 is one-piece construction figure of the present invention.
Fig. 2 is the CPU (central processing unit) structural representation.
Fig. 3 is an application example synoptic diagram of the present invention.
Embodiment
Traffic video behavioural analysis of the present invention and Alarm Server can independently be formed a traffic surveillance and control system, can combine with existing traffic surveillance and control system again, on the basis that does not change existing traffic surveillance and control system framework, expand existing traffic surveillance and control system easily.Traffic video behavioural analysis and Alarm Server can significantly reduce monitor staff's workload, improve the control and monitoring of public transport.
Combine with existing traffic surveillance and control system with the present invention below and be applied as the example detailed description.
The present embodiment hardware platform is:
Processor (four nuclear): Intel (R) core (TM) i5 cpu 750 @2.67GHz;
Display card: NVIDIA GeForce 9800GT;
Port: prolific USB-to-Serial Comm Port;
Network adapter;
The Haikang prestige is looked DS-4008HC audio frequency and video compressing card;
Wherein, four core processors are used to support multi-threaded parallel to analyze eight road video flowings of AVI form; Video card is used to support the demonstration of high clear video image and the acceleration of analytical algorithm simultaneously and independently eight road video flowings to be carried out real-time analysis with realization; Port is used to support the control of PTZ camera; Network adapter is used to support the warning message transmission; The Haikang prestige is looked DS-4008HC audio frequency and video compressing card and is used to support simultaneously eight road video flowings to be carried out real-time collection and compressed encoding.
The present embodiment one-piece construction comprises video source input block, CPU (central processing unit), alarm unit, display unit and storage unit as shown in Figure 1.
(1) video source input block
Simultaneously eight road traffic video streams are gathered, are encoded by video frequency collection card, and decode and transcoding be the traffic video data stream of AVI form.
(2) CPU (central processing unit)
CPU (central processing unit) comprises that Target Recognition module, vehicle get over drive in the wrong direction detection module, vehicle of line detection module, vehicle and disobey and stop detection module, car accident detection module, traffic lights crossing rule-breaking vehicle behavior detection module, magnitude of traffic flow statistical module, car plate identification module and central processing module.The relation of each intermodule such as Fig. 2.
The Target Recognition module detects moving object in the current video stream according to the Gaussian Background modeling method, and identifies vehicle and pedestrian according to some features (comprising size, Aspect Ratio, histogram information etc.), filters out the interference of other objects.
Vehicle is got over the line detection module, according to the vehicle of particle filter Technical Follow-Up Target Recognition module identification, when the vehicle movement track passes the yellow line of two-way road centre, judges that it is to get over line.
The vehicle detection module that drives in the wrong direction according to the vehicle of particle filter Technical Follow-Up Target Recognition module identification, when the appointment travel direction of vehicle movement trajectory direction and vehicle place road is opposite, judges that it is retrograde.
Vehicle is disobeyed and is stopped detection module, according to the vehicle of particle filter Technical Follow-Up Target Recognition module identification, when the time of stopping in the zone that Parking permitted that vehicle delimited in advance reaches certain hour (as 2 minutes), judges that it is to disobey to stop.
The car accident detection module according to the detected moving object of particle filter Technical Follow-Up Target Recognition module (vehicle and pedestrian), when the movement locus appearance intersection of two or more objects also stops suddenly, is judged as traffic hazard.
Rule-breaking vehicle behavior detection module in traffic lights crossing is discerned the current state of traffic lights crossing traffic lamp automatically, during at red light during by current crossing, judges that it is for making a dash across the red light as vehicle.
Magnitude of traffic flow statistical module is added up the number of vehicles of Target Recognition module identification and the movement velocity of vehicle, judges the traffic congestion degree in current highway section.
The car plate identification module when above each module is found the rule-breaking vehicle behavior is arranged, is controlled the PTZ camera automatically and is caught close shot car plate video flowing and discern car plate.This module is except supporting the licence plate recognition method of this single camera, also support the licence plate recognition method of dual camera, promptly a camera is caught the panorama information of monitoring scene for above each module analysis, another camera catch vehicle in the monitoring scene must through subregion, catch close shot car plate video flowing automatically and discern car plate when vehicle generation unlawful practice and when entering this subregion.
Central processing module is coordinated other module of control CPU (central processing unit) and is carried out corresponding function, if find to have unlawful practice, promptly sends warning message to alarm unit.Warning message comprises the license plate number of vehicle in violation of rules and regulations, type (comprise more line, drive in the wrong direction, disobey and stop, accident, make a dash across the red light), beginning and ending time, highway section in violation of rules and regulations in violation of rules and regulations in violation of rules and regulations.
(3) alarm unit
Alarm unit comprises warning receiver module, synchronous alarm module, E-mail alarm module, sound and light alarm module;
The warning receiver module, the warning message of reception CPU (central processing unit);
Alarm module sends warning message to existing traffic surveillance and control system by network, so that existing traffic surveillance and control system is taked measures areput automatically according to warning message synchronously;
The citation alarm module, warning message passes and passes to the related personnel by Email form or SMS;
The sound and light alarm module when CPU (central processing unit) finds that the traffic violations behavior is arranged, activates the acousto-optic equipment alarm, reminds the monitor staff to note and makes corresponding processing;
(4) display unit
Moving body track process when the video that collects of display video source input block in real time, and CPU (central processing unit) is made traffic behavior and analyzed in violation of rules and regulations and analysis result in violation of rules and regulations.
(5) storage unit
Be responsible for the video flowing that the video source input block collects is carried out the record management of storage administration and rule-breaking vehicle daily record, comprise logger module and video recording memory module.
Logger module, when CPU (central processing unit) is found the traffic violations behavior is arranged, the concrete violation information of registration of vehicle (comprising vehicle license plate number, violation type, violation time, violation highway section etc. in violation of rules and regulations), convenient inquiry in the future and calculating vehicle violation information.
The video recording memory module when CPU (central processing unit) is found the traffic violations behavior is arranged, is noted the complete video recording of rule-breaking vehicle process in the current slot of current highway section, as the evidence of rule-breaking vehicle.
Particle filter algorithm is selected in target following of the present invention for use, for carrying out multiple traffic behavior and analyze in violation of rules and regulations with faster speed to multichannel traffic video stream is parallel, can make local improvement to this algorithm, improvement place is specially: 1. the particular location of demarcating road, track algorithm is only followed the tracks of targetedly to the vehicle in the road scope, thereby reduced the data volume that track algorithm is handled, improved arithmetic speed; 2. track vehicle historical movement track is in the past learnt,, thereby reduced the required number of particles of pursuit movement vehicle for track algorithm provides tutorial message.As can be seen, improvements have reduced calculated amount, under the prerequisite that guarantees tracking effect, have reduced the complexity of track algorithm, improve arithmetic speed.
The concrete implementation step of this example is as follows:
1. incoming video stream
In order not disturb the framework of existing traffic surveillance and control system, after the video flowing of front end camera collection is passed Surveillance center back, newly tell one road video flowing by the video frequency divider, video flowing originally still inserts former traffic surveillance and control system according to original mode, and the video flowing of newly telling inserts traffic video behavioural analysis and Alarm Server.
2. connect the camera control line
For when traffic video behavioural analysis and Alarm Server are found the traffic violations behavior, can control the close shot video flowing that the PTZ camera obtains vehicle automatically and improve the accuracy rate of car plate identification, need to connect the control line of control camera.The control protocol of present embodiment equipment support is RS485/RS422 agreements such as PELCO pelco P/D, the agreement of the camera support of the supervisory system use of disposing in the past may be the graceful sign indicating number of an AD/AB agreement, can be directly compatible under the situation of not changing the front end camera by protocol converter.
3. insert the network at traffic surveillance and control system place
Along with the enhancing of public transport awareness of safety, the quantity of road monitoring camera has increased the weight of the monitor staff's of Surveillance center work load greatly in continuous growth, and the monitor staff can't monitor simultaneously to all monitored pictures.Manpower is difficult to the difficulty of exhaustive supervision along with continuous the increasing of monitoring camera in order to overcome, traffic video behavioural analysis and Alarm Server will be as " eyes " of existing video monitoring system, automatically the various unlawful practices of vehicle in the analysis video, and when finding the unlawful practice of vehicle, send warning message to former traffic surveillance and control system by network.
4. monitoring scene configuration
Regulate and control eight camera branches and be clipped to suitable monitoring position, and eight road videos are carried out the road configuration respectively according to concrete condition when the first eight camera head monitor scene roads.Comprise the picture lane line, draw the separated zone of stopping that no parking, draw track direction and sub-guarded region (monitoring range of corresponding second camera of sub-guarded region).
5. analysis configuration
According to the concrete condition of eight camera head monitor scenes, can carry out vehicle behavior analysis configuration in violation of rules and regulations respectively to eight road videos, each road can be carried out all unlawful practice analyses simultaneously or only be carried out some unlawful practice and analyze.These unlawful practices analyze that the line more that comprises vehicle detects, the retrograde detection of vehicle, vehicle separatedly stop detecting, the accident of vehicle detects, car plate identification and magnitude of traffic flow statistics.
6. alarm configuration
After traffic video behavioural analysis and Alarm Server discovery traffic violations behavior, the video recording that the daily record in violation of rules and regulations of the automatic registration of vehicle of meeting, triggering band are pre-recorded is stored.Can also be provided with as required that corresponding warning is handled and handle and specify the parameters of being correlated with for these.Can select to send synchronous warning message (IP of traffic surveillance and control system), send E-mail warning (input related personnel's E-mail address) and sound and light alarm to the related personnel to original traffic surveillance and control system by network by network.
Through after the above step, this example begins to eight road video flowings simultaneously and the multiple behavioural analysis of independently selecting according to the road information that is provided with.Certain frame operational effect such as Fig. 3 when this example is analyzed certain road video.Wherein,
Present frame Far Left and rightmost lines are represented in the current monitoring scene lane position of demarcating in advance, and this example is only done behavioural analysis to the moving object between these two line zones.
Straight line in the middle of the present frame is represented the yellow line of the two-way road demarcated in advance according to current monitoring scene, is the standard of judging that vehicle is got over line.
The vehicle heading of each track regulation that the direction of arrow in the present frame is represented to demarcate in advance according to current monitoring scene is a standard of judging that vehicle drives in the wrong direction.
Quadrilateral area in the present frame is represented to demarcate the separated zone of stopping that no parking in advance according to current monitoring scene, and when vehicle reaches the regular hour (time can establish) in this regional stop motion, thinking then that it is disobeyed stops.
Rectangle frame in the present frame on the vehicle is represented the vehicle that this example detection recognizes, and the various actions analysis is done in its tracking.
In sum, present device can be with simple mode and existing traffic video monitoring system compatibility, can carry out multiple vehicle behavioural analysis to multi-path video stream simultaneously and independently, when vehicle generation unlawful practice, send warning message to Surveillance center, and server apparatus of the present invention is automatic video recording registration of vehicle overall process and rule-breaking vehicle daily record in violation of rules and regulations targetedly when vehicle generation unlawful practice, make when needing to check that corresponding vehicle is recorded a video in violation of rules and regulations in the future, can reproduce the overall process of rule-breaking vehicle by violation vehicle license plate enquiring vehicle violation daily record " key ", also can easily inquire about each monitoring crossing by the rule-breaking vehicle daily record, each time period, the statistical information of the rule-breaking vehicle behavior of various violation types.
Claims (5)
1. traffic video behavioural analysis and Alarm Server, comprise the video source input block, CPU (central processing unit), alarm unit, display unit and storage unit, the video source input block provides the data stream of the traffic video more than a tunnel to CPU (central processing unit), CPU (central processing unit) is carried out different traffic behaviors to each road video data stream simultaneously and is analyzed in violation of rules and regulations, trigger alarm unit according to the violation analysis result, alarm unit is reported to the police with setting means, display unit shows each road traffic video and traffic behavior analytic process and result in violation of rules and regulations in real time, and cell stores comprises the traffic video stream and the violation analysis result of rule-breaking vehicle overall process.
2. traffic video behavioural analysis according to claim 1 and Alarm Server is characterized in that described CPU (central processing unit) comprises
The Target Recognition module is used for identifying vehicle and pedestrian in each road traffic video data stream;
The traffic behavior analysis module is used to follow the tracks of vehicle and pedestrian, its motor behavior is carried out violation analyze;
The car plate identification module is used to control the vehicle license plate number that camera is caught unlawful practice;
Central processing module is used for coordinating the above-mentioned module of control and carries out corresponding function.
3. traffic video behavioural analysis according to claim 1 and Alarm Server is characterized in that, described traffic behavior analyze in violation of rules and regulations comprise to vehicle get over line, drive in the wrong direction, disobey stop, accident, make a dash across the red light, the wagon flow quantitative analysis.
4. traffic video behavioural analysis according to claim 1 and Alarm Server is characterized in that, described type of alarm has: (a) analysis result sends existing traffic surveillance and control system in violation of rules and regulations; (b) notify the related personnel by Email or SMS with the violation analysis result; (c) activate the acousto-optic equipment alarm.
5. traffic video behavioural analysis according to claim 1 and Alarm Server is characterized in that, described traffic behavior analysis module adopts particle filter algorithm to follow the tracks of vehicle and pedestrian.
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