CN110444026A - The triggering grasp shoot method and system of vehicle - Google Patents
The triggering grasp shoot method and system of vehicle Download PDFInfo
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- CN110444026A CN110444026A CN201910721335.5A CN201910721335A CN110444026A CN 110444026 A CN110444026 A CN 110444026A CN 201910721335 A CN201910721335 A CN 201910721335A CN 110444026 A CN110444026 A CN 110444026A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 28
- 238000010304 firing Methods 0.000 claims description 11
- 230000002123 temporal effect Effects 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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Abstract
The present invention provides the triggering grasp shoot methods and system of a kind of vehicle, wherein the above method includes: the vehicle concentration for obtaining vehicle in target area；According to image collecting device and/or radar transmission operating mode switching signal of the vehicle concentration into the target area, wherein, the operating mode switching signal is used to indicate described image acquisition device and/or radar and carries out triggering candid photograph to the vehicle in the target area using operating mode corresponding with the vehicle concentration, in the case where the vehicle concentration is higher than first threshold, triggering candid photograph is only carried out to the vehicle in the target area by described image acquisition device, by adopting the above technical scheme, it solves in the related technology, in the case where the vehicle concentration of road is high, the problems such as radar is to the recognition accuracy and not high recognition efficiency of vehicle.
Description
Technical field
The present invention relates to millimetre-wave radar field of radar, a kind of triggering grasp shoot method in particular to vehicle and are
System.
Background technique
Currently, the common capture and identification system of highway, typically is provided with radar velocity measurement module and video identification module, it is preceding
Person is used to measure the travel speed of vehicle, and the latter is used to carry out Car license recognition to over-speed vehicles, and radar velocity measurement module is limited to
The driving status (for example, speed, follow the bus, parallel, vehicle commander's these types situation) of vehicle, certainly, vehicle is captured, Car license recognition
Demanding application field, the video identification for being equipped with radar velocity measurement have no longer met the vehicle capture and identification of entire section.
The relevant technologies only can just carry out single triggering after speed is more than certain threshold value and capture, but vehicle it is parallel or
Under follow the bus or low-speed situations, radar velocity measurement module carry out detection vehicle error capture rate and leakage capture rate it is higher, lead to not
Camera is accurately instructed to carry out the candid photograph of vehicle, in addition, the anti-electronics of microwave radar, clutter and multipath reflection ability is weak and precision is low
The disadvantages of；In the case where road vehicle concentration is high, the detectability meeting sharp fall of microwave radar can not provide standard
True vehicle snapshot position can only notify corresponding lane camera is captured, and picture is caused to be captured recognition efficiency and accuracy rate
It is affected, especially under across the road traveling of vehicle, influence degree is bigger.
For in the related technology, in the case where the vehicle concentration of road is high, recognition accuracy of the radar to vehicle
The problems such as not high with recognition efficiency, not yet proposes effective technical solution.
Summary of the invention
The embodiment of the invention provides the triggering grasp shoot methods and system of a kind of vehicle, at least to solve to exist in the related technology
In the case that the vehicle concentration of road is high, the problems such as radar is to the recognition accuracy and not high recognition efficiency of vehicle.
According to one embodiment of present invention, a kind of triggering grasp shoot method of vehicle is provided, comprising: obtain target area
The vehicle concentration of interior vehicle；According to image collecting device of the vehicle concentration into the target area and/or
Radar send operating mode switching signal, wherein the operating mode switching signal be used to indicate described image acquisition device and/
Or radar carries out triggering candid photograph to the vehicle in the target area using operating mode corresponding with the vehicle concentration,
In the case where the vehicle concentration is higher than first threshold, only by described image acquisition device in the target area
Vehicle carry out triggering candid photograph.
In embodiments of the present invention, the image collecting device according to the vehicle concentration into the target area
And/or radar sends operating mode switching signal, comprising: the case where the vehicle concentration is higher than the first threshold
Under, triggering candid photograph is only carried out to the vehicle in the target area by described image acquisition device, comprising: according to the vehicle
Image collecting device of the concentration into the target area sends the first operating mode switching signal, so that described image is adopted
Acquisition means carry out triggering candid photograph to the vehicle in the target area；It is less than the first threshold in the vehicle concentration,
And in the case where being higher than second threshold, according to image collecting device and thunder of the vehicle concentration into the target area
Up to the second operating mode switching signal is sent, so that image collecting device and radar touch the vehicle in the target area
Hair is captured；In the case where the vehicle concentration is less than the second threshold, according to the vehicle concentration to described
Radar in target area sends third operating mode switching signal, so that radar touches the vehicle in the target area
Hair is captured.
In embodiments of the present invention, in the feelings for carrying out triggering candid photograph to the vehicle in the target area by the radar
Under condition, or in the case where carrying out triggering candid photograph to the vehicle in the target area by image collecting device and radar, institute
State method further include: when detecting that vehicle triggers pre-set detection section, obtain described in vehicle process by radar
Detect at least one information of section: first time information, headstock location information, the mark ID of millimetre-wave radar vehicle.
In embodiments of the present invention, the vehicle in the target area is being triggered by described image acquisition device
In the case where candid photograph, or in the feelings for carrying out triggering candid photograph to the vehicle in the target area by image collecting device and radar
Under condition, the method also includes: when detecting that vehicle triggers pre-set simulation firing line, acquired by described image
Device obtains vehicle by least one information of the detection section: license board information, pictorial information, the second time letter
Breath, the mark ID of phase rolling stock.
In embodiments of the present invention, the vehicle in the target area is touched by image collecting device and radar
In the case that hair is captured, the method also includes: match the first time information and second temporal information, and matching
The mark ID of the mark ID and the phase rolling stock of the millimetre-wave radar vehicle, to obtain the triggering candid photograph for same vehicle
Record.
In embodiments of the present invention, the vehicle concentration of vehicle in target area is obtained, comprising: obtain the target area
The average speed of vehicle in domain；The vehicle concentration is determined according to the average speed, wherein in the average speed
In the case where higher than the 4th threshold value, determine that the vehicle concentration is higher than the first threshold；It is less than in the average speed
4th threshold value, and in the case where being higher than the 5th threshold value, determine that the vehicle concentration is less than the first threshold, and be higher than the
Two threshold values；In the case where the average speed is less than five threshold values, determine that the vehicle concentration is less than second threshold
Value.
According to another embodiment of the invention, a kind of triggering capturing system of vehicle is additionally provided, comprising: Bus- Speed Monitoring
Device reports to controller for obtaining the vehicle concentration of vehicle in target area, and by the vehicle concentration；It is described
Controller is connect with the speed of vehicle detector, for being adopted according to image of the vehicle concentration into the target area
Acquisition means and/or radar send operating mode switching signal, wherein the operating mode switching signal is used to indicate described image
Acquisition device and/or radar using operating mode corresponding with the vehicle concentration to the vehicle in the target area into
Row triggering is captured, in the case where the vehicle concentration is higher than first threshold, only by described image acquisition device to institute
The vehicle stated in target area carries out triggering candid photograph.
Optionally, the controller is also used in the case where the vehicle concentration is higher than the first threshold, only
Triggering candid photograph is carried out to the vehicle in the target area by described image acquisition device, comprising: intensive according to the vehicle
Image collecting device of the degree into the target area sends the first operating mode switching signal, so that described image acquisition dress
It sets and triggering candid photograph is carried out to the vehicle in the target area；It is less than the first threshold in the vehicle concentration, and high
In the case where second threshold, according to image collecting device and radar hair of the vehicle concentration into the target area
The second operating mode switching signal is sent, so that image collecting device and radar carry out triggering to the vehicle in the target area and grab
It claps；In the case where the vehicle concentration is less than the second threshold, according to the vehicle concentration to the target
Radar in region sends third operating mode switching signal, grabs so that radar carries out triggering to the vehicle in the target area
It claps.
Optionally, the system also includes: radar is connect with the controller, for by the radar to described
In the case that vehicle in target area carries out triggering candid photograph, or passing through image collecting device and radar to the target area
In the case that interior vehicle carries out triggering candid photograph, when detecting that vehicle triggers pre-set detection section, vehicle is obtained
By at least one information of the detection section: first time information, headstock location information, millimetre-wave radar vehicle
Identify ID.
Optionally, the system also includes: image collecting device is connect with the controller, for pass through the figure
In the case where carrying out triggering candid photograph to the vehicle in the target area as acquisition device, or passing through image collecting device and thunder
In the case where carrying out triggering candid photograph to the vehicle in the target area, detecting that vehicle triggers pre-set simulation
When firing line, vehicle is obtained by least one information of the detection section: license board information, pictorial information, when second
Between information, the mark ID of phase rolling stock.
Through the invention, the vehicle concentration of vehicle in target area is obtained；According to the vehicle concentration to institute
The image collecting device and/or radar stated in target area send operating mode switching signal, wherein the operating mode switching
Signal is used to indicate described image acquisition device and/or radar using operating mode corresponding with the vehicle concentration to institute
The vehicle stated in target area carries out triggering candid photograph, in the case where the vehicle concentration is higher than first threshold, only passes through
Described image acquisition device carries out triggering candid photograph to the vehicle in the target area, by adopting the above technical scheme, solves phase
In the technology of pass, in the case where the vehicle concentration of road is high, radar is not high to the recognition accuracy and recognition efficiency of vehicle
The problems such as, and then improve the recognition accuracy and recognition efficiency of vehicle.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the triggering grasp shoot method of the vehicle of the embodiment of the present invention；
Fig. 2 is the structural block diagram of the triggering capturing system of vehicle according to an embodiment of the present invention；
Fig. 3 is another structural block diagram of the triggering capturing system of vehicle according to an embodiment of the present invention；
Fig. 4 is the structural block diagram according to the triggering capturing system of the preferred embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
According to one embodiment of present invention, a kind of triggering grasp shoot method of vehicle is provided, Fig. 1 is according to of the invention real
The flow chart of the triggering grasp shoot method of the vehicle of example is applied, as shown in Figure 1, comprising:
Step S102 obtains the vehicle concentration of vehicle in target area；
Step S104, according to image collecting device and/or radar of the vehicle concentration into the target area
Send operating mode switching signal, wherein the operating mode switching signal is used to indicate described image acquisition device and/or thunder
Triggering candid photograph is carried out to the vehicle in the target area up to using operating mode corresponding with the vehicle concentration, in institute
Vehicle concentration is stated higher than in the case where first threshold, only by described image acquisition device to the vehicle in the target area
Carry out triggering candid photograph.
Through the invention, the vehicle concentration of vehicle in target area is obtained；According to the vehicle concentration to institute
The image collecting device and/or radar stated in target area send operating mode switching signal, wherein the operating mode switching
Signal is used to indicate described image acquisition device and/or radar using operating mode corresponding with the vehicle concentration to institute
The vehicle stated in target area carries out triggering candid photograph, in the case where the vehicle concentration is higher than first threshold, only passes through
Described image acquisition device carries out triggering candid photograph to the vehicle in the target area, by adopting the above technical scheme, solves phase
In the technology of pass, in the case where the vehicle concentration of road is high, radar is not high to the recognition accuracy and recognition efficiency of vehicle
The problems such as, and then improve the recognition accuracy and recognition efficiency of vehicle.
In embodiments of the present invention, step S104 can be accomplished by the following way:
1) in the case where the vehicle concentration is higher than the first threshold, only pass through described image acquisition device pair
Vehicle in the target area carries out triggering candid photograph, comprising: according to the vehicle concentration into the target area
Image collecting device sends the first operating mode switching signal, so that described image acquisition device is to the vehicle in the target area
Carry out triggering candid photograph；
2) in the case where the vehicle concentration is less than the first threshold and is higher than second threshold, according to described
Image collecting device and radar of the vehicle concentration into the target area send the second operating mode switching signal, so that
Image collecting device and radar carry out triggering candid photograph to the vehicle in the target area；
3) in the case where the vehicle concentration is less than the second threshold, according to the vehicle concentration to institute
The radar stated in target area sends third operating mode switching signal, so that radar carries out the vehicle in the target area
Triggering is captured.
In embodiments of the present invention, in the feelings for carrying out triggering candid photograph to the vehicle in the target area by the radar
Under condition, or in the case where carrying out triggering candid photograph to the vehicle in the target area by image collecting device and radar, institute
State method further include: when detecting that vehicle triggers pre-set detection section, obtain described in vehicle process by radar
Detect at least one information of section: first time information, headstock location information, the mark ID of millimetre-wave radar vehicle.
In embodiments of the present invention, the vehicle in the target area is being triggered by described image acquisition device
In the case where candid photograph, or in the feelings for carrying out triggering candid photograph to the vehicle in the target area by image collecting device and radar
Under condition, the method also includes: when detecting that vehicle triggers pre-set simulation firing line, acquired by described image
Device obtains vehicle by least one information of the detection section: license board information, pictorial information, the second time letter
Breath, the mark ID of phase rolling stock.
In embodiments of the present invention, the vehicle in the target area is touched by image collecting device and radar
In the case that hair is captured, the method also includes: match the first time information and second temporal information, and matching
The mark ID of the mark ID and the phase rolling stock of the millimetre-wave radar vehicle, to obtain the triggering candid photograph for same vehicle
Record.
Optionally, above-mentioned steps S102 can be achieved through the following technical solutions: obtain the vehicle of vehicle in target area
Concentration, comprising: obtain the average speed of the vehicle in the target area；The vehicle is determined according to the average speed
Concentration, wherein in the case where the average speed is higher than four threshold values, it is described to determine that the vehicle concentration is higher than
First threshold；Less than the 4th threshold value and in the case where being higher than the 5th threshold value, the intensive journey of the vehicle is determined in the average speed
Degree is less than the first threshold, and is higher than second threshold；In the case where the average speed is less than five threshold values, described in determination
Vehicle concentration is less than the second threshold.
As it can be seen that the embodiment of the present invention uses the multi-operation mode catching method based on detections of radar, it is on the one hand sufficiently sharp
With the height capture of non-jam situation detections of radar, high stationkeeping ability, the capture rate of lifting system, recognition efficiency and identification are accurate
Rate, still further aspect is by the identification of road congestion conditions and the switching of camera different working modes, under different condition of road surface
The advantages of force trapping of guarantee system, recognition accuracy, the advantages of adequately detecting millimetre-wave radar is detected with camera video
Effectively combined.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Additionally provide a kind of triggering capturing system of vehicle in the present embodiment, the system for realizing above-described embodiment and
Preferred embodiment, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 2 is the structural block diagram of the triggering capturing system of vehicle according to an embodiment of the present invention, comprising:
Speed of vehicle detector 20, for obtaining the vehicle concentration of vehicle in target area, and by the intensive journey of the vehicle
Degree reports to controller；
The controller 22 is connect with the speed of vehicle detector 20, for according to the vehicle concentration to the mesh
The image collecting device and/or radar marked in region send operating mode switching signal, wherein the operating mode switching signal
Described image acquisition device and/or radar are used to indicate using operating mode corresponding with the vehicle concentration to the mesh
Vehicle in mark region carries out triggering candid photograph, in the case where the vehicle concentration is higher than first threshold, only by described
Image collecting device carries out triggering candid photograph to the vehicle in the target area.
Through the invention, the vehicle concentration of vehicle in target area is obtained；According to the vehicle concentration to institute
The image collecting device and/or radar stated in target area send operating mode switching signal, wherein the operating mode switching
Signal is used to indicate described image acquisition device and/or radar using operating mode corresponding with the vehicle concentration to institute
The vehicle stated in target area carries out triggering candid photograph, in the case where the vehicle concentration is higher than first threshold, only passes through
Described image acquisition device carries out triggering candid photograph to the vehicle in the target area, by adopting the above technical scheme, solves phase
In the technology of pass, in the case where the vehicle concentration of road is high, radar is not high to the recognition accuracy and recognition efficiency of vehicle
The problems such as, and then improve the recognition accuracy and recognition efficiency of vehicle.
In embodiments of the present invention, the controller 22, is also used to execute following one:
1) in the case where the vehicle concentration is higher than the first threshold, only pass through described image acquisition device pair
Vehicle in the target area carries out triggering candid photograph, comprising: according to the vehicle concentration into the target area
Image collecting device sends the first operating mode switching signal, so that described image acquisition device is to the vehicle in the target area
Carry out triggering candid photograph；
2) in the case where the vehicle concentration is less than the first threshold and is higher than second threshold, according to described
Image collecting device and radar of the vehicle concentration into the target area send the second operating mode switching signal, so that
Image collecting device and radar carry out triggering candid photograph to the vehicle in the target area；
3) in the case where the vehicle concentration is less than the second threshold, according to the vehicle concentration to institute
The radar stated in target area sends third operating mode switching signal, so that radar carries out the vehicle in the target area
Triggering is captured.
Fig. 3 is another structural block diagram of the triggering capturing system of vehicle according to an embodiment of the present invention, as shown in figure 3, institute
State system further include: radar 24 (can be millimetre-wave radar), connect with the controller 22, for passing through the radar pair
In the case that vehicle in the target area carries out triggering candid photograph, or passing through image collecting device and radar to the target
In the case that vehicle in region carries out triggering candid photograph, when detecting that vehicle triggers pre-set detection section, obtain
Vehicle is by described at least one information for detecting section: first time information, headstock location information, millimetre-wave radar vehicle
Mark ID.
In embodiments of the present invention, the system also includes: image collecting device 26 is connect with the controller 22, use
In in the case where carrying out triggering candid photograph to the vehicle in the target area by described image acquisition device, or passing through figure
In the case where carrying out triggering candid photograph to the vehicle in the target area as acquisition device and radar, detecting that vehicle triggers
When pre-set simulation firing line, vehicle is obtained by least one information of the detection section: license board information, figure
Piece information, the second temporal information, the mark ID of phase rolling stock.
In embodiments of the present invention, the controller 22 is also used to through image collecting device and radar to the target
In the case that vehicle in region carries out triggering candid photograph, at least one information of radar detector transmission is received: the
One temporal information, headstock location information, mark ID and described image the acquisition device transmission of radar vehicle it is at least following it
One information: license board information, pictorial information, the second temporal information, the mark ID of phase rolling stock；Match the first time information and
Second temporal information, and the mark ID for identifying ID and the phase rolling stock of the matching radar vehicle, with acquisition pair
Record is captured in the triggering of same vehicle.
Process is captured to the triggering of above-mentioned vehicle below in conjunction with a preferred embodiment to be explained, but is not used in restriction
The above-mentioned technical proposal of the embodiment of the present invention.
Preferred embodiments thereof body provides a kind of triggering capturing system of the highway capture of multi-operation mode
And method, solve captured on highway camera video stream capture rate is low, recognition accuracy is not high, and in the vehicle of road
It is the problems such as radar is to the recognition accuracy and not high recognition efficiency of vehicle, optional as one in the case that concentration is high
The specific technical solution of embodiment, the preferred embodiment of the present invention is as follows:
Direction of traffic along vehicle sets multiple detection sections according to certain intervals on perpendicular to direction of traffic, is hanging down
Directly in the detection zone for setting multiple millimetre-wave radars on direction of traffic, and a plurality of mould is set in the lane scene of each camera
Quasi- video firing line, and a plurality of analog video firing line is set in the lane scene of each camera, by speed of vehicle detector,
The identification for completing road driving average rate (is equivalent to the vehicle concentration of above-described embodiment in the case where road average rate is high-speed case
Less than the second threshold), camera is switched into radar triggering camera and captures operating mode, vehicle is only completed by millimetre-wave radar
Capture and triggering capture, in the case that road average rate be middling speed (the vehicle concentration for being equivalent to above-described embodiment is small
In the first threshold, and it is higher than second threshold), camera is switched into radar triggering+video and triggers blend modes of operation, by milli
Metre wave radar and video complete the capture of vehicle jointly and triggering is captured, and prevent millimetre-wave radar from leak detection occur, equal in road
Speed is (the vehicle concentration for being equivalent to above-described embodiment is higher than the first threshold) under low-speed situations, and camera is switched to view
Frequency triggering operating mode, only completes the capture of vehicle by video and triggering is captured, prevent millimetre-wave radar from leak detection occur even
There is error detection.
Fig. 4 is according to the structural block diagram of the capture and identification system of the preferred embodiment of the present invention, as shown in Figure 4:
The composition of the capture and identification system of the embodiment of the present invention is that each lane or each detection section are (hereinafter referred to as disconnected
Face) one high definition identification camera 40 (image collecting device 26 for being equivalent to above-described embodiment) of installation, each detection section installation
Two or more radars 42 (radar 24 for being equivalent to above-described embodiment), each detection section install a Bus- Speed Monitoring
Device 44 (speed of vehicle detector 20 for being equivalent to above-described embodiment), multiple radars 42 and speed of vehicle detector 44 connect the same radar control
Device 46 (controller 22 for being equivalent to above-described embodiment) processed, radar controller 46 connect more high definitions by 485 modes and identify phase
Machine 40, more high definitions identification cameras 40 connect same industrial personal computer 48 (it should be noted that millimetre-wave radar controller and industry control
Machine can integrate as an entity).
The processing in real time of radar controller 46 receives the road speed situation that speed of vehicle detector 44 detects, and according to vehicle speed condition
Send operating mode switching signal (can specifically include: 485 address of camera, operating mode (radar trigger mode, radar triggering+
Video triggers mode, video triggers mode)；
Radar controller 46 is sent out in the case where radar triggers operating mode and blend modes of operation according to the radar that real-time reception arrives
The information frame sent, and distinguish the quantity of vehicle in detection zone in real time, and the position of identification vehicle, when detecting that vehicle just touched
When hair detection section, millimetre-wave radar controller 46 exports trigger signal (485 address of camera, millimeter wave to corresponding lane camera
Radar vehicle ID, triggering moment, license plate position), after high definition identification camera 40 receives trigger signal, according to 485 ground of camera
Location determines whether to respond trigger signal for this camera, then according to triggering moment, matches corresponding picture according to given threshold, then
According to license plate position, identified license plate in the figure is matched according to given threshold, and completes phase rolling stock ID and (is equivalent to above-mentioned reality
Apply the mark ID of the phase rolling stock of example) and millimetre-wave radar vehicle ID (the mark ID for being equivalent to the radar vehicle of above-described embodiment)
Matching, if not matching, according to license plate position according to setting threshold value carry out region recognition, and for camera provide vehicle with
Track starting point completes the pre-matching of phase rolling stock ID and millimetre-wave radar vehicle ID, finally exports to industrial personal computer 48 and captures picture (extremely
Less include image content, phase rolling stock ID, millimetre-wave radar vehicle ID, triggering moment, trigger source (radar triggering)) and identification
As a result (license plate number, license plate color, phase rolling stock ID, millimetre-wave radar vehicle ID, triggering moment, trigger source (thunder are included at least
Up to triggering))；
High definition identifies that camera 40 under blend modes of operation and under video triggering operating mode, carries out video flowing identification, real
When track and identify vehicle license plate in this lane camera scene, if receiving the triggering letter from radar during real-time tracking
Number, then output is matched and identified to the workflow of camera according to radar output triggering, when high definition identification camera detects
When vehicle reaches video simulation firing line, exporting to industrial personal computer and capturing picture (includes image content, phase rolling stock ID, radar truck
ID, triggering moment, trigger source (video triggering)) and recognition result (it include license plate number, license plate color, phase rolling stock ID,
Radar vehicle ID, triggering moment, trigger source (video triggering))；
Industrial personal computer 48 receives the candid photograph picture and recognition result for triggering and being formed from radar, and triggers shape from camera video
At candid photograph picture and recognition result after, the candid photograph figure that identical triggering mode is formed is completed according to radar vehicle ID and triggering moment
Matching between piece and license plate recognition result and complete what different triggering modes were formed according to phase rolling stock ID, radar vehicle ID
Capture the matching between picture and license plate recognition result, ultimately form a plurality of evidence obtaining record an of vehicle, by radar triggering with
The combination of video triggering, can effective lifting system round-the-clock vehicle capture rate, vehicle identification efficiency and license plate
Recognition accuracy.
Based on above-mentioned total technical concept, it is as follows that following embodiment additionally provides detailed technical solution:
It should be noted that the labels of following steps is not used to limit step and executes sequence.
Step 1: radar controller obtains the road speed situation of the detection of speed of vehicle detector 44 in real time, according to road speed feelings
Condition sends operating mode switching signal；
The switching signal includes: 485 address of camera, operating mode；
The operating mode can be divided into radar triggering mode, video triggering mode, mixing triggering mode；
The mixing triggering mode is that radar triggers mode+video triggering mode；
Step 2: in the case where radar triggers mode or mixing triggering mode, radar carries out vehicle detection, obtains vehicle by inspection
Survey first time information, headstock location information and the radar vehicle ID of section；
In the case where video triggers mode or mixing triggering mode, high definition identifies that camera carries out video flowing identification, and real-time tracking is known
Vehicle in the camera scene of another edition of a book lane obtains license board information, pictorial information, the second temporal information and phase rolling stock ID；
Step 3: determining 485 addresses for needing to control the camera captured according to the headstock location information, and form triggering
Information；
The triggering information includes: 485 address of camera, radar vehicle ID, triggering moment, license plate position；
Step 4: according to 485 address of camera in the triggering information, respective camera responds trigger signal；
Step 5: according to the triggering moment in the triggering information, camera matches corresponding picture according to given threshold；
Step 6: according to the license plate position in the triggering information, camera matches identified in the figure according to given threshold
License plate, and complete the matching of phase rolling stock ID Yu radar vehicle ID；If not matching, according to license plate position according to the threshold of setting
Value carries out region extension identification, and provides vehicle tracking for camera and identify starting point, completes phase rolling stock ID's and radar vehicle ID
Pre-matching；
Step 7: high definition identify camera response radar triggering information after, to industrial personal computer export capture pictorial information and
Car license recognition information；
The candid photograph pictorial information includes: pictorial information, phase rolling stock ID, radar vehicle ID, triggering moment, trigger source；
The Car license recognition information includes: license board information, phase rolling stock ID, radar vehicle ID, triggering moment, trigger source；
Step 8: when high definition identification camera detects that vehicle reaches video triggering artificial line, being exported to industrial personal computer and capture picture
Information and Car license recognition information；
The candid photograph pictorial information includes: pictorial information, phase rolling stock ID, radar vehicle ID, triggering moment, trigger source；
The Car license recognition information includes: license board information, phase rolling stock ID, radar vehicle ID, triggering moment, trigger source；
Step 9: industrial personal computer is completed identical according to radar vehicle ID and triggering moment and phase rolling stock ID and triggering moment
The matching captured between pictorial information and license plate recognition result that triggering mode is formed, forms and captures record；
Step 10: the matching that same vehicle difference captures record being completed according to radar vehicle ID and phase rolling stock ID, is formed
Vehicle evidence obtaining record；
It should be noted that not limiting the quantity in lane in the preferred embodiment of the present invention, the quantity of radar is to be with two
Example, but it is not intended to limit the quantity of radar, video simulation firing line does not limit the number of video simulation firing line for one
Amount.
In addition, the technical solution of the embodiment of the present invention and preferred embodiment, it can be using in the unimpeded situation of road high speed
The high capture rate and positioning accuracy of millimetre-wave radar detection, the video triggering function of combining camera video flowing form three kinds
Different operating modes selects optimal operating mode according to road average rate situation, thus the lifting system in round-the-clock situation
Vehicle capture rate, vehicle identification efficiency and Car license recognition accuracy rate.
Further, after selecting optimal operating mode according to road average rate situation, figure is accurately found using triggering information
Piece and license plate recognition result complete the binding of radar identification vehicle and camera identification vehicle, can also instruct unidentified picture
The secondary identification of ' locked ' zone is carried out, camera is opened and vehicle is tracked and identified, radar identification vehicle is completed and camera identifies vehicle
Pre-binding, a final vehicle can form a plurality of evidence obtaining record, significantly promote vehicle capture rate, the vehicle of round-the-clock full velocity shooting
Recognition efficiency and Car license recognition accuracy rate.
The embodiments of the present invention also provide a kind of storage medium, computer program is stored in the storage medium, wherein
The computer program is arranged to execute the step in any of the above-described embodiment of the method when operation.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store by executing based on following steps
Calculation machine program:
S1 obtains the vehicle concentration of vehicle in target area；
S2, according to image collecting device and/or radar transmission work of the vehicle concentration into the target area
Operation mode switching signal, wherein the operating mode switching signal is used to indicate described image acquisition device and/or radar uses
Operating mode corresponding with the vehicle concentration carries out triggering candid photograph to the vehicle in the target area, in the vehicle
In the case that concentration is higher than first threshold, only the vehicle in the target area is carried out by described image acquisition device
Triggering is captured.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store computer program such as disk, magnetic or disk.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store program code such as disk, magnetic or disk.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of triggering grasp shoot method of vehicle characterized by comprising
Obtain the vehicle concentration of vehicle in target area；
Operating mode is sent according to image collecting device of the vehicle concentration into the target area and/or radar to cut
Change signal, wherein the operating mode switching signal is used to indicate described image acquisition device and/or radar uses and the vehicle
The corresponding operating mode of concentration carries out triggering candid photograph to the vehicle in the target area, in the vehicle concentration
In the case where higher than first threshold, triggering is only carried out to the vehicle in the target area by described image acquisition device and is grabbed
It claps.
2. the method according to claim 1, wherein according to the vehicle concentration into the target area
Image collecting device and/or radar send operating mode switching signal, comprising:
In the case where the vehicle concentration is higher than the first threshold, only by described image acquisition device to the mesh
Vehicle in mark region carries out triggering candid photograph, comprising: is adopted according to image of the vehicle concentration into the target area
Acquisition means send the first operating mode switching signal, so that described image acquisition device carries out the vehicle in the target area
Triggering is captured；
It is close according to the vehicle in the case where the vehicle concentration is less than the first threshold and is higher than second threshold
Image collecting device and radar of the collection degree into the target area send the second operating mode switching signal, so that image is adopted
Acquisition means and radar carry out triggering candid photograph to the vehicle in the target area；
In the case where the vehicle concentration is less than the second threshold, according to the vehicle concentration to the target
Radar in region sends third operating mode switching signal, grabs so that radar carries out triggering to the vehicle in the target area
It claps.
3. according to the method described in claim 2, it is characterized in that, passing through the radar to the vehicle in the target area
In the case where carrying out triggering candid photograph, or by image collecting device and radar the vehicle in the target area is triggered
In the case where candid photograph, the method also includes:
When detecting that vehicle triggers pre-set detection section, vehicle is obtained by the detection section by radar
At least one information: first time information, headstock location information, the mark ID of millimetre-wave radar vehicle.
4. according to the method described in claim 3, it is characterized in that, passing through described image acquisition device to the target area
In the case that interior vehicle carries out triggering candid photograph, or passing through image collecting device and radar to the vehicle in the target area
In the case where carrying out triggering candid photograph, the method also includes:
When detecting that vehicle triggers pre-set simulation firing line, vehicle is obtained by described image acquisition device and is passed through
At least one information of the detection section: license board information, pictorial information, the second temporal information, the mark of phase rolling stock
ID。
5. according to the method described in claim 4, it is characterized in that, passing through image collecting device and radar to the target area
In the case that vehicle in domain carries out triggering candid photograph, the method also includes:
Match the first time information and second temporal information, and the mark ID of the matching millimetre-wave radar vehicle
With the mark ID of the phase rolling stock, record is captured for the triggering of same vehicle with acquisition.
6. method according to any one of claims 1 to 5, which is characterized in that the vehicle for obtaining vehicle in target area is close
Collection degree, comprising:
Obtain the average speed of the vehicle in the target area；
The vehicle concentration is determined according to the average speed, wherein is higher than the feelings of the 4th threshold value in the average speed
Under condition, determine that the vehicle concentration is higher than the first threshold；In the average speed less than the 4th threshold value, and it is higher than the
In the case where five threshold values, determine that the vehicle concentration is less than the first threshold, and be higher than second threshold；Described average
In the case that speed is less than the 5th threshold value, determine that the vehicle concentration is less than the second threshold.
7. a kind of triggering capturing system of vehicle characterized by comprising
Speed of vehicle detector is reported for obtaining the vehicle concentration of vehicle in target area, and by the vehicle concentration
To controller；
The controller is connect with the speed of vehicle detector, is used for according to the vehicle concentration into the target area
Image collecting device and/or radar send operating mode switching signal, wherein the operating mode switching signal is used to indicate
Described image acquisition device and/or radar use operating mode corresponding with the vehicle concentration in the target area
Vehicle carry out triggering candid photograph, the vehicle concentration be higher than first threshold in the case where, only by described image acquisition
Device carries out triggering candid photograph to the vehicle in the target area.
8. system according to claim 7, which is characterized in that the controller is also used in the vehicle concentration
In the case where higher than the first threshold, only the vehicle in the target area is triggered by described image acquisition device
It captures, comprising: the first operating mode is sent according to image collecting device of the vehicle concentration into the target area
Switching signal, so that described image acquisition device carries out triggering candid photograph to the vehicle in the target area；It is close in the vehicle
Collection degree is less than the first threshold, and in the case where being higher than second threshold, according to the vehicle concentration to the target
Image collecting device and radar in region send the second operating mode switching signal, so that image collecting device and radar are to institute
The vehicle stated in target area carries out triggering candid photograph；In the case where the vehicle concentration is less than the second threshold, root
Third operating mode switching signal is sent according to radar of the vehicle concentration into the target area, so that radar is to institute
The vehicle stated in target area carries out triggering candid photograph.
9. system according to claim 7, which is characterized in that the system also includes: radar connects with the controller
It connects, in the case where carrying out triggering candid photograph to the vehicle in the target area by the radar, or is passing through image
In the case that acquisition device and radar carry out triggering candid photograph to the vehicle in the target area, detecting that it is pre- that vehicle triggers
When the detection section being first arranged, vehicle is obtained by least one information of the detection section: first time information, vehicle
Head location information, the mark ID of millimetre-wave radar vehicle.
10. system according to claim 7, which is characterized in that and described the system also includes image collecting device
Controller connection, for carrying out the case where triggering is captured to the vehicle in the target area by described image acquisition device
Under, or in the case where carrying out triggering candid photograph to the vehicle in the target area by image collecting device and radar, examining
When measuring vehicle and triggering pre-set simulation firing line, vehicle is obtained by least one letter of the detection section
Breath: license board information, pictorial information, the second temporal information, the mark ID of phase rolling stock.
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| CN201910721335.5A CN110444026B (en) | 2019-08-06 | 2019-08-06 | Triggering snapshot method and system for vehicle |
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