CN103886751A - System and method for finding out road accident rapidly - Google Patents
System and method for finding out road accident rapidly Download PDFInfo
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- CN103886751A CN103886751A CN201410116906.XA CN201410116906A CN103886751A CN 103886751 A CN103886751 A CN 103886751A CN 201410116906 A CN201410116906 A CN 201410116906A CN 103886751 A CN103886751 A CN 103886751A
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Abstract
The invention discloses a system and method for finding out a road accident rapidly. According to the system and method for finding out the road accident rapidly, through the adoption of the continuous tracking technology of a video monitoring and control unit, whether a vehicle entering a video tracking area is in a normal traveling state or in a stopping state can be monitored in real time; when the vehicle is in the stopping state, whether an adjacent vehicle right in front of the vehicle is in a stopping state is judged immediately, and it is indicated that the vehicle is stopped abnormally if no vehicle in the stopping state exists right in front of the vehicle; a warning message indicating that the vehicle is stopped abnormally is sent to a monitoring center. In this way, once a vehicle which is stopped abnormally appears in the tracking area of the video monitoring and control unit, the monitoring center can detect the vehicle timely and rapidly. Corresponding measures can be taken to prevent traffic congestion caused by abnormal stopping of the vehicle.
Description
Technical field
The present invention relates to intelligent transport technology field, specifically a kind of system and method that can find fast road unscheduled event.
Background technology
Along with the continuous expansion of city size, transport need rapid growth, road traffic blocks up day by day serious.Because the unscheduled event of vehicle is stopped as vehicles that reason causes such as vehicle trouble, road freeze, accidents on runway, if can not finding and carry out timely processing fast, traffic-police will cause large-area the blocking up of trip generation in a section or a regional extent, significantly reduce road passage capability, brought very big inconvenience to people's trip.Improve road efficiency, just must find fast and process the non-normal stop that unscheduled event causes.
Existing patent documentation CN101763728A discloses the wagon detector that a kind of utilization is located on section and has detected the method that section blocks up, cardinal principle is: system is by wagon detector and be attached thereto the detection signal analysis and processing unit connecing and form, wagon detector is arranged on detected traffic direction section, analysis and processing unit has a wagon detector detection signal input interface and a traffic jam warning signal output interface, the default jam alarming threshold values Ta of analysis and processing unit and alarm release threshold values Tb, monitoring from wagon detector is occupied, if in interval, wagon detector is taken all the time continuously in the time of >=Ta, send traffic jam warning signal, count from taking continuously when the vehicle of wagon detector time period >=Ta leaves wagon detector, if there is not again wagon detector to be occurred by duration of occupancy >=Ta situation, the free time of cumulative wagon detector, to alarm release threshold values Tb, is sent releasing alerting signal.In this technical scheme, there is following problem: 1, surveyed area is only located on the section of road; 2, sensing range can only be a chassis; 3,, in the time that this track blocks up, the chassis blocking up in the vehicle of queuing up must be parked in sensing range; 4, detection time long, in order to prevent false alarm, the alarm threshold value time of setting is long; 5, cannot on runway because a variety of causes causes stopping but vehicle is not parked in sensing range, simultaneously do not cause again the exception parking of traffic congestion to be reported to the police.Therefore all there is larger defect in its accuracy and promptness.
Summary of the invention
Technical matters to be solved by this invention is of the prior art, can not find in real time, fast to cause the non-normal stop of vehicle on runway by unscheduled event, thereby a kind of system and method that can find fast runway unscheduled event is provided.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A system for road unscheduled event be can find fast, Surveillance center and video monitoring unit comprised;
Described video monitoring unit, carries out Continuous Tracking to each vehicle entering within the scope of video tracking, and it further comprises:
Parking judge module, for judging whether each vehicle is halted state;
Judge module, in the time that described parking judge module judges that halted state appears in a certain vehicle, judges whether at the dead ahead of this vehicle heading next-door neighbour's vehicle be halted state;
Alarm module, for being that halted state and its front are sent warning message while not having vehicle to be halted state to described Surveillance center at a certain vehicle, pointing out this vehicle is non-normal stop.
Described alarm module prestores judgment threshold T, in the time that the time of vehicle stop exceedes described judgment threshold T, thinks that this vehicle is non-normal stop.
Described judgment threshold T was more than or equal to for 3 seconds.
Described judgment threshold T was 5 seconds.
The method that can find fast road unscheduled event, comprises the steps:
S1: each vehicle entering within the scope of video tracking is carried out to Continuous Tracking;
S2: judge whether each vehicle within the scope of video tracking is halted state; If enter step S3, otherwise return to step S1;
S3: whether the vehicle that judges the dead ahead next-door neighbour of the vehicle heading in halted state is halted state; If enter step S4, no nothing is returned to step S1;
S4: send warning message to Surveillance center, pointing out this vehicle is non-normal stop.
In described step S4, specifically comprise: set judgment threshold T, in the time that the time of vehicle stop exceedes described judgment threshold T, think that this vehicle is non-normal stop.
In described step S4: described judgment threshold T was more than or equal to for 3 seconds.
In described step S4: described judgment threshold T was 5 seconds.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) system and method that can find fast road unscheduled event of the present invention, utilizes the Continuous Tracking technology of video monitoring unit, can real-time monitor the vehicle entering within the scope of video tracking and be normally to travel or in halted state.When vehicle is during in halted state, judge that immediately whether the vehicle in vehicle dead ahead is in halted state, if the dead ahead of vehicle does not have the vehicle of halted state, illustrate that this vehicle is exception parking.Just send the improper warning message stopping of vehicle to Surveillance center.Therefore,, once occur that in the following range of video monitoring unit vehicle abnormality stops, Surveillance center just can be in time, detect rapidly.Process thereby can transfer fast police strength, avoid bringing traffic congestion and traffic hazard because this vehicle abnormality stops.
(2) system and method that can find fast road unscheduled event of the present invention, occur as long as vehicle stop will be mistaken for the situation of vehicle abnormality parking in order to prevent, set a judgment threshold, only have when vehicle is in the time that the time of halted state exceedes this judgment threshold, just can think that vehicle is non-normal stop.This judgment threshold can be determined according to the current state of the actual conditions of different roads and road.For example, in the time period of morning peak, evening peak, this judgment threshold can be set to larger value, and in flat peak time section, this judgment threshold can be set to less value.By above-mentioned method to set up, can effectively avoid the generation of the situation of judging by accident.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the system principle diagram that can find fast road unscheduled event described in one embodiment of the invention;
Fig. 2 is vehicle Continuous Tracking schematic diagram in video monitoring range described in one embodiment of the invention;
Fig. 3 is the method flow diagram that can find fast road unscheduled event described in one embodiment of the invention.
Embodiment
embodiment 1
The present embodiment provides a kind of system that can find fast road unscheduled event, as shown in Figure 1, comprises Surveillance center and video monitoring unit 1.Described video monitoring unit 1, carries out Continuous Tracking to each vehicle entering within the scope of video tracking, and it further comprises: parking judge module 11, for judging whether each vehicle is halted state; Judge module 12, in the time that described parking judge module 11 judges that halted state appears in a certain vehicle, judges whether at the dead ahead of this vehicle heading next-door neighbour's vehicle be halted state; Alarm module 13, for being that halted state and its front are sent warning message while not having vehicle to be halted state to described Surveillance center at a certain vehicle, pointing out this vehicle is non-normal stop.
In the present embodiment, adopting video monitoring unit 1 to carry out Continuous Tracking to the vehicle entering within the scope of video tracking, is means conventional in prior art.As shown in Figure 2, provided video tracking result schematic diagram when each vehicle is by Continuous Tracking within the scope of video tracking.As a kind of implementation method, the video tracking result of video tracking unit 1 can be regarded a plane coordinate system as, and its transverse axis is x axle, and the longitudinal axis is y axle.Each location point in this video pictures, can determine its position.And enter each car within the scope of video tracking, and after Continuous Tracking, can be considered as a rectangle frame, the corresponding x in center of rectangle frame, y value can be used as the foundation of determining its position in video pictures.For different vehicle is distinguished, video monitoring unit can also arrange a numbering for each car.For example, numbering 001,002,003 ...Therefore, each moment, the particular location of the vehicle that each numbering can both accurately be learnt in video monitoring unit in video pictures.Once therefore a certain vehicle is halted state, video tracking unit can monitor in time rapidly.
Such scheme in the present embodiment, utilizes the Continuous Tracking technology of video monitoring unit, can real-time monitor the vehicle entering within the scope of video tracking and be normally to travel or in halted state.When vehicle is during in halted state, judge that immediately whether the vehicle in vehicle dead ahead is in halted state, if the dead ahead of vehicle next-door neighbour's vehicle does not have halted state, illustrate that this vehicle is exception parking.Just send the warning message of vehicle non-normal stop to Surveillance center.Therefore,, once occur that in the following range of video monitoring unit vehicle abnormality stops, Surveillance center just can be in time, detect rapidly.Thereby can reasonable arrangement measure, avoid bringing traffic congestion because this vehicle abnormality stops.
Further, in order prevent from will being mistaken for as long as there is vehicle stop the situation appearance that vehicle abnormality stops, to set a judgment threshold, to only have when vehicle is in the time that the time of halted state exceedes this judgment threshold, just can think that vehicle is non-normal stop.This judgment threshold can be determined according to the current state of the actual conditions of different roads and road.For example, in the time period of morning peak, evening peak, this judgment threshold can be set to larger value, and in flat peak time section, this judgment threshold can be set to less value.By above-mentioned method to set up, can effectively avoid the generation of the situation of judging by accident.
In the present embodiment, can select described judgment threshold T to be more than or equal to for 3 seconds, further, can select described judgment threshold T is 5 seconds, 10 seconds etc.Therefore, if T was 5 seconds, in the time having exception parking on runway, system can be sent alerting signal within 5 seconds, had greatly shortened the time that notes abnormalities and stop, and had improved greatly quick-reaction capability (QRC) and road efficiency.
embodiment 2
The present embodiment provides a kind of method that can find fast road unscheduled event, as shown in Figure 3, comprises the steps:
S1: each vehicle entering within the scope of video tracking is carried out to Continuous Tracking;
S2: judge whether each vehicle within the scope of video tracking is halted state; If enter step S3, otherwise return to step S1;
S3: whether the vehicle that judges the dead ahead next-door neighbour of the vehicle heading in halted state is halted state; If enter step S4, no nothing is returned to step S1;
S4: send warning message to Surveillance center, pointing out this vehicle is non-normal stop.
In the present embodiment, the vehicle entering within the scope of video tracking being carried out to Continuous Tracking, is means conventional in prior art.As shown in Figure 2, provided video tracking result schematic diagram when each vehicle is by Continuous Tracking within the scope of video tracking.As a kind of implementation method, the video image of display video tracking results can be regarded a plane coordinate system as, and its transverse axis is x axle, and the longitudinal axis is y axle.Each location point in this video pictures, can determine its position.And enter each car within the scope of video tracking, and after Continuous Tracking, can be considered as a rectangle frame, the corresponding x in center of rectangle frame, y value can be used as the foundation of determining its position in video pictures.For different vehicle is distinguished, can also one numbering be set for each car.For example, numbering 001,002,003 ...Therefore, each moment, the particular location of the vehicle that each numbering can both accurately be learnt in video monitoring unit in video pictures.Once therefore a certain vehicle is halted state, can monitor rapidly in time.
Such scheme in the present embodiment, utilizes the Continuous Tracking technology of video monitoring unit, can real-time monitor the vehicle entering within the scope of video tracking and be normally to travel or in halted state.When vehicle is during in halted state, judge that immediately whether the vehicle in vehicle dead ahead is in halted state, if the dead ahead of vehicle does not have the vehicle of halted state, illustrate that this vehicle is exception parking.Just send the improper warning message stopping of vehicle to Surveillance center.Therefore,, once occur that in the following range of video monitoring unit vehicle abnormality stops, Surveillance center just can be in time, detect rapidly.Thereby can reasonable arrangement measure, avoid bringing traffic congestion because this vehicle abnormality stops.
Further, in order prevent from will being mistaken for as long as there is vehicle stop the situation appearance that vehicle abnormality stops, to set a judgment threshold, to only have when vehicle is in the time that the time of halted state exceedes this judgment threshold, just can think that vehicle is non-normal stop.This judgment threshold can be determined according to the current state of the actual conditions of different roads and road.For example, in the time period of morning peak, evening peak, this judgment threshold can be set to larger value, and in flat peak time section, this judgment threshold can be set to less value.By above-mentioned method to set up, can effectively avoid the generation of the situation of judging by accident.Therefore in described step S4, specifically comprise: set judgment threshold T, in the time that the time of vehicle stop exceedes described judgment threshold T, think that this vehicle is non-normal stop.Preferably, described judgment threshold T was more than or equal to for 3 seconds.Further preferably, described judgment threshold T was 5 seconds.
Therefore, the said method parking that can just can note abnormalities within 5 seconds, has improved real-time and the accuracy of system greatly.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to process flow diagram and/or the block scheme of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or the combination of square frame.Can provide these computer program instructions to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computing machine or other programmable data processing device produces the device for realizing the function of specifying at flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computing machine or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame on computing machine or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the modification of the scope of the invention.
Claims (8)
1. the system that can find fast road unscheduled event, is characterized in that, comprises Surveillance center and video monitoring unit (1);
Described video monitoring unit (1), carries out Continuous Tracking to each vehicle entering within the scope of video tracking, and it further comprises:
Parking judge module (11), for judging whether each vehicle is halted state;
Judge module (12), in the time that described parking judge module (11) judges that halted state appears in a certain vehicle, judges whether at the dead ahead of this vehicle heading next-door neighbour's vehicle be halted state;
Alarm module (13), for being that halted state and its front are sent warning message while not having vehicle to be halted state to described Surveillance center at a certain vehicle, pointing out this vehicle is non-normal stop.
2. the system that can find fast road unscheduled event according to claim 1, is characterized in that:
Described alarm module (13) prestores judgment threshold T, in the time that the time of vehicle stop exceedes described judgment threshold T, thinks that this vehicle is non-normal stop.
3. the system that can find fast road unscheduled event according to claim 2, is characterized in that:
Described judgment threshold T was more than or equal to for 3 seconds.
4. according to the system that can find fast road unscheduled event described in claim 2 or 3, it is characterized in that:
Described judgment threshold T was 5 seconds.
5. the method that can find fast road unscheduled event, is characterized in that, comprises the steps:
S1: each vehicle entering within the scope of video tracking is carried out to Continuous Tracking;
S2: judge whether each vehicle within the scope of video tracking is halted state; If enter step S3, otherwise return to step S1;
S3: whether the vehicle that judges the dead ahead next-door neighbour of the vehicle heading in halted state is halted state; If enter step S4, no nothing is returned to step S1;
S4: send warning message to Surveillance center, pointing out this vehicle is non-normal stop.
6. the method that can find fast road unscheduled event according to claim 5, is characterized in that, in described step S4, specifically comprises:
Set judgment threshold T, in the time that the time of vehicle stop exceedes described judgment threshold T, think that this vehicle is non-normal stop.
7. the method that can find fast road unscheduled event according to claim 6, is characterized in that, in described step S4:
Described judgment threshold T was more than or equal to for 3 seconds.
8. according to the method that can find fast road unscheduled event described in claim 6 or 7, it is characterized in that, in described step S4:
Described judgment threshold T was 5 seconds.
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| CN201410116906.XA CN103886751B (en) | 2014-03-26 | 2014-03-26 | A kind of system and method for quick discovery road thunder bolt |
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| CN201410116906.XA CN103886751B (en) | 2014-03-26 | 2014-03-26 | A kind of system and method for quick discovery road thunder bolt |
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