CN110910649B - Multi-camera cooperative traffic control method, device and system and storage device - Google Patents
Multi-camera cooperative traffic control method, device and system and storage device Download PDFInfo
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- CN110910649B CN110910649B CN201911339750.0A CN201911339750A CN110910649B CN 110910649 B CN110910649 B CN 110910649B CN 201911339750 A CN201911339750 A CN 201911339750A CN 110910649 B CN110910649 B CN 110910649B
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses a multi-camera-collaborative traffic control method, a multi-camera-collaborative traffic control device, a multi-camera-collaborative traffic control system and a multi-camera-collaborative traffic control storage device.
Description
Technical Field
The present application relates to the field of video analysis, and in particular, to a method, an apparatus, a system, and a storage apparatus for controlling access in cooperation with multiple cameras.
Background
In the prior art, in passages needing management for vehicle passing, such as parking lots, high-speed entrances and exits and the like, a single camera is mostly arranged in front of a gateway at the entrances and exits to perform license plate recognition, and the opening or closing of the gateway at the entrances and exits is controlled according to license plate recognition results to release vehicles.
Disclosure of Invention
The application provides a multi-camera cooperative traffic control method, device and system and a storage device, which can improve traffic efficiency and avoid traffic jam when vehicles are more.
In order to solve the technical problem, the application adopts a technical scheme that: a multi-camera cooperative traffic control method is provided, and the method comprises the following steps:
when a camera furthest from a barrier gate detects that a passing object passes through, adding the passing object to a passing queue, identifying the passing object, and generating passing record information of the passing object according to an identification result;
when one or more cameras closer to the barrier gate detect that the passing object passes through, identifying the passing object, and updating or confirming the passing record information of the passing object according to the identification result;
when one or a plurality of continuous passing objects positioned at the head of the passing queue meet the passing conditions, controlling the barrier to be opened, acquiring the number of the passing objects to be released and removing the passing objects to be released from the passing queue;
and counting the passing objects passing through the barrier gate, and controlling the barrier gate to be closed when the counting reaches the number of the passing objects to be released.
In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a multi-camera coordinated traffic control device comprising a processor, a memory coupled to the processor, wherein,
the memory stores program instructions for implementing the multi-camera collaborative traffic control method;
the processor is used for executing the program instructions stored in the memory to realize a multi-camera coordinated traffic control method.
In order to solve the above technical problem, the present application adopts another technical solution that: provided is a multi-camera coordinated traffic control system, which comprises:
the cameras are sequentially arranged in front of the barrier gate from near to far at intervals;
and a traffic control device cooperating with the plurality of cameras connected to the plurality of cameras, respectively.
In order to solve the above technical problem, the present application adopts another technical solution that: a storage device is provided, which stores program instructions for realizing the multi-camera cooperation traffic control method.
The beneficial effect of this application is: according to the multi-camera-collaborative traffic control method, the multi-camera-collaborative traffic control device, the traffic object is added to the traffic queue when the camera furthest away from the barrier gate detects that the traffic object passes through, the multiple cameras collaboratively identify the traffic object, traffic record information is generated based on the identification result, and when one or a plurality of continuous traffic objects meeting the release condition at the head of the traffic queue can be obtained according to the traffic record information, the one or a plurality of continuous traffic objects meeting the release condition are released, so that the identification efficiency of vehicles and the release efficiency of the vehicles are improved, and traffic jam caused by more passing vehicles can be avoided.
Drawings
Fig. 1 is a schematic flow chart of a multi-camera cooperative traffic control method according to a first embodiment of the present invention;
fig. 2 is an application scenario diagram of a multi-camera collaborative traffic control method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a traffic queue in a multi-camera collaborative traffic control method according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a multi-camera cooperative traffic control method according to a second embodiment of the present invention;
fig. 5 is a schematic flow chart of a multi-camera cooperative traffic control method according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a multi-camera cooperative traffic control device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a multi-camera cooperative traffic control device according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a multi-camera cooperative traffic control system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a storage medium according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Fig. 1 is a schematic flow chart of a multi-camera cooperative traffic control method according to a first embodiment of the present invention. It should be noted that the method of the present invention is not limited to the flow sequence shown in fig. 1 if the results are substantially the same. As shown in fig. 1, the method comprises the steps of:
step S101, when a camera farthest from the barrier gate detects that a passing object passes through, the passing object is added to a passing queue, the passing object is identified, and passing record information of the passing object is generated according to an identification result.
Please refer to fig. 2, three cameras are disposed in front of the gateway and the barrier, from near to far, the cameras 1, 2 and 3 are respectively provided, the shooting range of the camera 1 corresponds to the area 1, the shooting range of the camera 2 corresponds to the area 2, and the shooting range of the camera 3 corresponds to the area 3, a passing object (in this embodiment, a vehicle) passes through the gateway of the gateway and sequentially passes through the cameras 3, 2 and 1, and each time the passing object passes through one camera, the passing object is identified by the camera when the passing object is detected, which is exemplified by three cameras in this embodiment. In step S101, when a passing object passes through the camera 3 farthest from the barrier gate, the passing object is added into a passing queue, in this embodiment, the passing queue is a list file, one or more passing objects are recorded from morning to evening according to the time sequence of passing through the camera 3, the camera 3 will shoot a video or a picture of the passing object, the passing object can be identified according to the video or the picture shot by the camera 3, for example, the license plate number of the vehicle is identified, and corresponding passing record information is generated according to the identification result, which is described below by taking the identification of the license plate number as an example, and when the identification of the license plate number is successful, the passing record information of the passing object is generated to record the license plate number; when the license plate number identification fails, the pass record information of the pass object is generated to record that the license plate number is not identified, for example, a pass queue may be as shown in fig. 3.
And S102, when one or more cameras close to the barrier detect that the passing object passes through, identifying the passing object, and updating or confirming the passing record information of the passing object according to the identification result.
Then, the passing object passes through the camera 2 and the camera 1 in sequence, when the passing object passes through the camera 2, the camera 2 shoots a video or a picture of the passing object, the passing object can be identified according to the video or the picture shot by the camera 2, for example, a license plate number of a vehicle is identified, and the passing record information is updated or confirmed according to the identification result, for example, the passing record information is not identified as the license plate number, and the current identification result is the license plate number, the license plate number is added into the passing record information so as to update the passing record information; and if the pass record information is the license plate number and the current identification result is the license plate number, confirming the pass record information.
When a passing object passes through the camera 1, the camera 1 shoots a video or picture of the passing object, the passing object can be identified according to the video or picture shot by the camera 1, for example, a license plate number of a vehicle is identified, and the passing record information is updated or confirmed according to the identification result, for example, the passing record information is not identified, and the current identification result is the license plate number, the license plate number is added into the passing record information so as to update the passing record information; and if the pass record information is the license plate number and the current identification result is the license plate number, confirming the pass record information.
In the embodiment, before reaching the gateway, the passing objects are sequentially identified by the three cameras respectively, so that the identification efficiency of the vehicle is improved.
Step S103, when one or a plurality of continuous passing objects at the head of the passing queue accord with the passing condition, controlling the barrier to be opened, acquiring the number of the passing objects to be passed and removing the passing objects to be passed from the passing queue.
In an alternative embodiment, the passing condition may include that the license plate number of the passing object is successfully identified, for example, when the vehicle enters a parking lot; in another alternative embodiment, the passing condition may include successful identification of the license plate number of the passing object and payment of the passing object, for example, when the vehicle leaves the parking lot. Those skilled in the art will appreciate that in other embodiments, the release condition may also include other content.
For example, referring to fig. 3, a plurality of consecutive passage objects at the head of the passage queue are passage objects to be released, namely passage object a, passage object B and passage object C, the number of passage objects to be released is 3, and the barrier gate is controlled to be opened to release the three vehicles. In this embodiment, as long as one passing object located at the head of the passing queue meets the release condition, that is, the passing object a meets the release condition, the barrier can be opened.
Specifically, in step S103, traversing the passing queue, and determining whether the passing object in the passing queue meets the passing condition according to the passing record information; acquiring one or a plurality of continuous passing objects which accord with the passing conditions at the head of the passing queue according to the traversal result, and taking the passing objects as passing objects to be released; controlling the barrier gate to open; and acquiring the number of the passing objects to be released and removing the passing objects to be released from the passing queue.
Step S104, counting the passing objects passing through the barrier, and controlling the barrier to be closed when the counting reaches the number of the passing objects to be released.
In this embodiment, the barrier gate is opened once, a plurality of passing objects can be released, the releasing efficiency is increased, and the barrier gate is closed after the passing objects to be released pass through.
In an alternative embodiment, a regional overview camera may be additionally disposed above the lane, and may be configured to identify the total number of vehicles in the lane, and may also be configured to identify a jam, specifically, when at least one jammed vehicle appears in a to-be-released vehicle queue, the to-be-released vehicle queue is formed by arranging a plurality of to-be-released traffic objects from a direction close to the lane gate to a direction far from the lane gate, and the to-be-released vehicle queue is controlled to close the lane gate.
Fig. 4 is a flowchart illustrating a multi-camera cooperative traffic control method according to a second embodiment of the present invention. It should be noted that the method of the present invention is not limited to the flow sequence shown in fig. 4 if the results are substantially the same. As shown in fig. 4, the method includes the steps of:
step S201, an initial file of a pass queue is established.
Step S202, when the camera farthest from the barrier gate detects that the passing object passes through, the passing object is added to the passing queue, the passing object is identified, and the passing record information of the passing object is generated according to the identification result.
Step S203, when one or more cameras close to the barrier detect that the passing object passes through, the passing object is identified, and the passing record information of the passing object is updated or confirmed according to the identification result.
Step S204, when the license plate number of one or a plurality of continuous passing objects positioned at the head of the passing queue is successfully identified, controlling the barrier to be opened, acquiring the number of the passing objects to be released and removing the passing objects to be released from the passing queue.
Step S205, counting the passing objects passing through the barrier, and controlling the barrier to close when the count reaches the number of the passing objects to be released.
The method of the embodiment is suitable for the entrance of the vehicle in the parking lot, the passing condition is that the license plate number is identified, and other parts are the same as those in the first embodiment, and are not described in detail herein.
Fig. 5 is a flow chart of a multi-camera cooperative traffic control method according to a third embodiment of the present invention. It should be noted that the method of the present invention is not limited to the flow sequence shown in fig. 5 if the results are substantially the same. As shown in fig. 5, the method includes the steps of:
step S301, establishing an initial file of a pass queue.
Step S302, when the camera farthest from the barrier gate detects that the passing object passes through, the passing object is added to the passing queue, the passing object is identified, and the passing record information of the passing object is generated according to the identification result.
Step S303, when one or more cameras which are closer to the barrier detect that the passing object passes through, the passing object is identified, and the passing record information of the passing object is updated or confirmed according to the identification result.
And step S304, when the license plate number of the passing object is successfully identified, acquiring payment information of the passing object according to the license plate number.
Step S305, judging whether the toll object pays the toll according to the payment information, and if so, marking the paid toll on the corresponding toll record information; and if the judgment result is negative, marking the toll not paid in the corresponding traffic record information.
Step S306, when the license plate numbers of one or a plurality of continuous passing objects at the head of the passing queue are successfully identified and paid, the barrier is controlled to be opened, the number of the passing objects to be released is obtained, and the passing objects to be released are removed from the passing queue.
Step S307, counting the passing objects passing through the barrier, and controlling the barrier to close when the count reaches the number of the passing objects to be released.
The method of the embodiment is suitable for leaving a vehicle in a parking lot, the releasing condition is that the license plate number is identified and the fee is paid, and other parts are the same as those of the first embodiment, and are not described in detail herein.
Fig. 6 is a schematic structural diagram of a multi-camera cooperative traffic control device according to an embodiment of the present invention. As shown in fig. 6, the multi-camera coordinated traffic control device 60 includes a first recognition module 61, a second recognition module 62, a passing object confirmation module 63, and a passing module 64.
The first identification module 61 is configured to, when a camera farthest from the barrier gate detects that a passing object passes through, add the passing object to the passing queue, identify the passing object, and generate the passing record information of the passing object according to an identification result.
The second identification module 62 is configured to identify the passing object when one or more cameras closer to the barrier detect that the passing object passes through, and update or confirm the passing record information of the passing object according to the identification result.
The passing object confirming module 63 is configured to, when one or multiple consecutive passing objects located at the head of the passing queue meet a passing condition, control the barrier to open, obtain the number of passing objects to be released, and remove the passing objects to be released from the passing queue.
The releasing module 64 is configured to count the passing objects passing through the barrier, and control the barrier to close when the count reaches the number of the passing objects to be released.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a multi-camera cooperative traffic control device according to an embodiment of the present invention. As shown in fig. 7, the multi-camera cooperative traffic control device 70 includes a processor 71 and a memory 72 coupled to the processor 71.
The memory 72 stores program instructions for implementing the multi-camera coordinated traffic control method according to any of the embodiments described above.
The processor 71 is used for executing the program instructions stored in the memory 72 to perform multi-camera coordinated traffic control.
The processor 71 may also be referred to as a CPU (Central Processing Unit). The processor 71 may be an integrated circuit chip having signal processing capabilities. The processor 71 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Fig. 8 is a schematic structural diagram of a multi-camera cooperative traffic control system according to an embodiment of the present invention. As shown in fig. 8, the control system 80 includes: a plurality of cameras 81 arranged in front of the barrier at intervals in order from near to far, and a traffic control device 70 in cooperation with a plurality of cameras connected to each of the plurality of cameras 81.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a storage medium according to an embodiment of the invention. The storage medium of the embodiment of the present invention stores program instructions 91 capable of implementing all the methods described above, where the program instructions 91 may be stored in the storage medium in the form of a software product, and include several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute all or part of the steps of the methods described in the embodiments of the present application. The aforementioned storage device includes: various media capable of storing program codes, such as a usb disk, a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, or terminal devices, such as a computer, a server, a mobile phone, and a tablet.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or passing connection may be an indirect coupling or passing connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings are included in the scope of the present disclosure.
Claims (9)
1. A multi-camera cooperative traffic control method is characterized by comprising the following steps:
when a camera furthest from a barrier gate detects that a passing object passes through, adding the passing object to a passing queue, identifying the passing object, and generating passing record information of the passing object according to an identification result;
when one or more cameras closer to the barrier gate detect that the passing object passes through, identifying the passing object, and updating or confirming the passing record information of the passing object according to the identification result;
when one or a plurality of continuous passing objects positioned at the head of the passing queue meet the passing conditions, controlling the barrier to be opened, acquiring the number of the passing objects to be released and removing the passing objects to be released from the passing queue;
counting the passing objects passing through the barrier gate, and controlling the barrier gate to be closed when the counting reaches the number of the passing objects to be released;
wherein, an area overview camera for identifying the total number of vehicles in the channel is arranged above the barrier gate; and when the area overview camera above the barrier gate identifies that at least one jammed vehicle appears in the vehicle queue to be released, the barrier gate is controlled to be closed, and the vehicle queue to be released is formed by arranging a plurality of passing objects to be released from the direction close to the barrier gate to the direction far away from the barrier gate.
2. The method of claim 1, wherein when a camera farthest from a barrier detects that a passing object passes through, the passing object is added to a passing queue, the passing object is identified, and passing record information of the passing object is generated according to the identification result, and the method comprises the following steps:
when a camera furthest from a barrier gate detects that a passing object passes through, adding the passing object to a passing queue;
identifying the license plate number of the passing object;
when the license plate number is successfully identified, generating the passing record information of the passing object to record the license plate number;
and when the license plate number identification fails, generating the passing record information of the passing object to record that the license plate number is not identified.
3. The method of claim 2, wherein after generating the traffic record information of the traffic object to record the license plate number when the license plate number identification is successful, the method further comprises:
and acquiring payment information of the passing object according to the license plate number, and updating the passing record information according to the payment information.
4. The method of claim 2, wherein the clearance condition comprises successful identification of a license plate number of the passing object.
5. The method of claim 3, wherein the clearance conditions include successful identification of a license plate number of the pass object and payment of a fee by the pass object.
6. The method of claim 2, wherein when one or more consecutive pass objects at the head of the pass queue meet a release condition, controlling the barrier to open, acquiring the number of pass objects to be released, and removing the pass objects to be released from the pass queue comprises:
traversing the passing queue, and judging whether a passing object in the passing queue meets a passing condition according to the passing record information;
acquiring one or a plurality of continuous passing objects which accord with releasing conditions at the head of the passing queue according to the traversal result, and taking the passing objects as passing objects to be released;
controlling the barrier gate to be opened;
obtaining the number of the passing objects to be released and removing the passing objects to be released from the passing queue.
7. A multi-camera coordinated traffic control device, comprising a processor, a memory coupled to the processor, wherein,
the memory stores program instructions for implementing a multi-camera coordinated traffic control method according to any one of claims 1-6;
the processor is used for executing the program instructions stored in the memory to realize a multi-camera coordinated traffic control method.
8. A multi-camera coordinated traffic control system, the control system comprising:
the cameras are sequentially arranged in front of the barrier gate from near to far at intervals;
the traffic control device in cooperation with the plurality of cameras according to claim 7 connected to the plurality of cameras, respectively.
9. A storage device storing a program instruction capable of implementing the multi-camera cooperative traffic control method according to any one of claims 1 to 6.
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