CN112419780A - Outdoor parking management method and system based on video identification technology - Google Patents
Outdoor parking management method and system based on video identification technology Download PDFInfo
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- CN112419780A CN112419780A CN202011292516.XA CN202011292516A CN112419780A CN 112419780 A CN112419780 A CN 112419780A CN 202011292516 A CN202011292516 A CN 202011292516A CN 112419780 A CN112419780 A CN 112419780A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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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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- 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
Abstract
According to the outdoor parking management method and system based on the video identification technology, the vehicles are identified by videos in an outdoor parking area, the number of the vehicles entering and exiting the outdoor parking area is counted, and the number of the vacant vehicles in the parking area or the degree of congestion of parking in the parking area is calculated. And carrying out connectivity area division on the outdoor parking lot, and keeping all the entrances and exits of the area by using the cameras in a connected area. And then, identifying the information and track of the vehicles entering and exiting from each entrance and exit to obtain the entering and exiting of the vehicles and the number of parkable vehicles in the area, calculating the remaining parking spaces or crowdedness of the outdoor area through statistics, and guiding the parking of the parking personnel by adopting the result, thereby solving the problem of difficult parking in the outdoor parking area.
Description
Technical Field
The application relates to the technical field of machine vision monitoring, in particular to an outdoor parking management method and system based on a video identification technology.
Background
The parking lot can be divided into an indoor parking lot and an outdoor parking lot, the parking spaces in the indoor parking lot are generally standard, the parking spaces are divided into standard parking spaces, and the problem of difficulty in parking can be solved by additionally installing a sensor or identifying a plurality of fixed parking spaces by a camera for each parking space. However, outdoor parking is complex, parking spaces are not divided in many areas in a standardized manner, and the problems of scattered, disordered and poor parking and the like cause the problems of difficult parking and the like. Meanwhile, outdoor parking is not like indoor parking, outdoor parking areas are large and large, parking spaces are difficult to divide in all places, sensors or mass cameras cannot be used for monitoring parking conditions of vehicles, and the sensors or the mass cameras are poor in economic benefit and influence city appearance. Therefore, it is very urgent to design an economical, intelligent, efficient, feasible and reliable parking scheme.
Disclosure of Invention
The application provides an outdoor parking management method and system based on a video identification technology, and solves the problem of difficult parking in an outdoor parking area.
The technical scheme adopted by the application for solving the technical problems is as follows:
an outdoor parking management method based on a video identification technology comprises the following steps:
obtaining the number of parked vehicle positions or the maximum number of parked vehicle positions in an outdoor parking area;
acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, wherein the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
acquiring vehicle basic information of each vehicle, wherein the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
acquiring vehicle parking or parking information of each vehicle, wherein the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
and acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, wherein the number of the vacant parking positions and the congestion degree are obtained by calculating the number of parked vehicles in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area.
Optionally, the outdoor parking area is a rectangular area, a square area or a circular area.
Optionally, the basic vehicle information includes license plate information, vehicle color, and vehicle body size.
Optionally, the number of empty parking spaces in the outdoor parking area is calculated by the following formula:
the number of empty parking spaces is the number of parked parking spaces + the number of vehicles parked in the outdoor parking area-the number of vehicles parked in the outdoor parking area.
Optionally, the degree of congestion in the outdoor parking area:
the parking congestion degree is the maximum number of parking positions that can be parked plus the number of vehicles parked in the outdoor parking area.
An outdoor parking management system based on video recognition technology comprises:
the parking space obtaining unit is used for obtaining the number of parked vehicles or the maximum number of parked vehicles in the outdoor parking area;
the system comprises a video monitoring information acquisition unit, a video monitoring information acquisition unit and a video monitoring information processing unit, wherein the video monitoring information acquisition unit is used for acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
the vehicle basic information acquisition unit is used for acquiring vehicle basic information of each vehicle, and the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
the vehicle parking or parking information acquisition unit is used for acquiring vehicle parking or parking information of each vehicle, and the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
the statistical unit is used for counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
the calculation unit is used for acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, and the number of the vacant parking positions and the congestion degree are calculated through the number of parked parking positions in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area;
and the control unit is used for executing the outdoor parking management method based on the video identification technology.
The technical scheme provided by the application comprises the following beneficial technical effects:
according to the outdoor parking management method and system based on the video identification technology, the vehicles are identified by videos in an outdoor parking area, the number of the vehicles entering and exiting the outdoor parking area is counted, and the number of the vacant vehicles in the parking area or the degree of congestion of parking in the parking area is calculated. And carrying out connectivity area division on the outdoor parking lot, and keeping all the entrances and exits of the area by using the cameras in a connected area. And then, identifying the information and track of the vehicles entering and exiting from each entrance and exit to obtain the entering and exiting of the vehicles and the number of parkable vehicles in the area, calculating the remaining parking spaces or crowdedness of the outdoor area through statistics, and guiding the parking of the parking personnel by adopting the result, thereby solving the problem of difficult parking in the outdoor parking area.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of an outdoor parking management method based on a video identification technology according to an embodiment of the present application;
fig. 2 is a plan view of an outdoor parking area provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions in the present application better understood by those skilled in the art, 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; it is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 outdoor parking area refers to all parking available areas except the house building, and the outdoor area can be divided into smaller areas, but the areas are connected, namely have connectivity. The outdoor parking area is provided with at least one access allowing vehicles to park in and out, a parking video monitoring camera is installed at the access of each parking area and used for monitoring the vehicles entering and exiting and recording videos, and the cameras have a basic dynamic check snapshot function, namely, related videos are automatically shot and stored when the vehicles enter and exit, or other dynamic check shooting functions are provided. In addition, the parking camera has the function of transmitting the vehicle video shot by the dynamic inspection to the rear-end model in real time.
Referring to fig. 1, fig. 1 is a flowchart of an outdoor parking management method based on a video recognition technology according to an embodiment of the present application:
as shown in fig. 1, the outdoor parking management method based on the video recognition technology provided in the embodiment of the present application includes the following steps:
obtaining the number of parked vehicle positions or the maximum number of parked vehicle positions in an outdoor parking area;
acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, wherein the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
acquiring vehicle basic information of each vehicle, wherein the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
acquiring vehicle parking or parking information of each vehicle, wherein the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
and acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, wherein the number of the vacant parking positions and the congestion degree are obtained by calculating the number of parked vehicles in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area.
As an embodiment, the outdoor parking area may be a rectangular area, a square area, or a circular area, and is applicable to the outdoor parking management method based on the video recognition technology provided in the present application.
The basic information of the vehicle comprises license plate information, vehicle color and vehicle body size, the license plate information and the vehicle color are basic information of the vehicle body, and the maximum parking number in the outdoor parking area can be dynamically obtained in real time according to the vehicle body size by obtaining the vehicle body size.
The number of vacant parking lots in the outdoor parking area is calculated by the following formula:
the number of empty parking spaces is the number of parked parking spaces + the number of vehicles parked in the outdoor parking area-the number of vehicles parked in the outdoor parking area.
Degree of congestion in the outdoor parking area:
the parking congestion degree is the maximum number of parking positions that can be parked plus the number of vehicles parked in the outdoor parking area.
The specific implementation mode of the outdoor parking management method based on the video identification technology is that a parking camera is installed at each entrance and exit of an outdoor parking area, a motion detection range area is defined for the entrance and exit, all vehicles entering the area are monitored, and short videos are automatically shot;
the method comprises the steps of carrying out target detection on a video shot by a camera, identifying the vehicle and information thereof, including license plate information, vehicle color, vehicle running track and other information, and identifying the target detection by sending the video to a designated position at an edge end;
judging whether the vehicle is stopped according to the track information obtained by identification;
counting the number of vehicles parked at all entrances and exits, and the number of vehicles in an outdoor parking area at a certain moment;
acquiring the number of vacant parking lots or the parking crowdedness in the outdoor parking area:
the number of the outdoor parking areas is equal to the number of vehicles in the parking areas plus the number of the vehicles parked in the areas plus the number of the vehicles parked out of the areas, and the model can be used for the outdoor parking areas with standard parking spaces;
a fuzzy parking space calculation model: the parking congestion degree is the maximum parking number in the parking area plus the number of parked vehicles-the number of parked vehicles;
the following is illustrated by a specific example:
as shown in fig. 2, there is a parking area S, and the actual situation is not limited to the shape shown in fig. 1, and S has four entrances A, B, C, D, and there may be a plurality of entrances, and four parking entrances are provided with four parking monitoring cameras a, b, c, and d.
Model design:
1. when a vehicle enters a camera demarcating area, automatically triggering a camera function and transmitting a recorded video;
2. and calculating the vehicle information and the track to obtain the vehicle running direction, namely the information of whether the vehicle is stopped in or stopped out. The calculation of the basic information and the running track of the vehicle can be calculated by a local deployment algorithm of a camera or can be sent to a background for calculation;
3. defining the maximum number W of parkable vehicles in the area;
4. and calculating the number of the vehicles which can be parked in the region S, wherein if the maximum number of the vehicles which can be parked in the region S is W, two vehicles enter the port A i at the time t, j vehicles exit from the port D, and no vehicle enters or exits from the four ports at the time t +1, vehicles W + i-j exist in the parking region at the time t + 1.
5. If W is the number of the parking spaces in the area S, the number of the parking spaces in the area S at the moment t +1 is (W + i-j);
if W is not equal to the number of parking spaces in the area S, the congestion degree of the area S is given at the time t +1, and the congestion degree can be defined by self.
Meanwhile, the embodiment of the application also provides an outdoor parking management system based on the video identification technology, which comprises the following steps:
the parking space obtaining unit is used for obtaining the number of parked vehicles or the maximum number of parked vehicles in the outdoor parking area;
the system comprises a video monitoring information acquisition unit, a video monitoring information acquisition unit and a video monitoring information processing unit, wherein the video monitoring information acquisition unit is used for acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
the vehicle basic information acquisition unit is used for acquiring vehicle basic information of each vehicle, and the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
the vehicle parking or parking information acquisition unit is used for acquiring vehicle parking or parking information of each vehicle, and the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
the statistical unit is used for counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
the calculation unit is used for acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, and the number of the vacant parking positions and the congestion degree are calculated through the number of parked parking positions in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area;
and the control unit is used for executing the outdoor parking management method based on the video identification technology.
In summary, according to the outdoor parking management method and system based on the video recognition technology provided by the embodiment of the application, the vehicles are recognized by using videos for the outdoor parking area, the number of the vehicles entering and exiting the outdoor parking area is counted, and the number of the vacant vehicles in the parking area or the degree of congestion of parking in the area is calculated. And carrying out connectivity area division on the outdoor parking lot, and keeping all the entrances and exits of the area by using the cameras in a connected area. And then, identifying the information and track of the vehicles entering and exiting from each entrance and exit to obtain the entering and exiting of the vehicles and the number of parkable vehicles in the area, calculating the remaining parking spaces or crowdedness of the outdoor area through statistics, and guiding the parking of the parking personnel by adopting the result, thereby solving the problem of difficult parking in the outdoor parking area.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be understood that the present application is not limited to what has been described above and shown in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. An outdoor parking management method based on a video identification technology is characterized by comprising the following steps:
obtaining the number of parked vehicle positions or the maximum number of parked vehicle positions in an outdoor parking area;
acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, wherein the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
acquiring vehicle basic information of each vehicle, wherein the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
acquiring vehicle parking or parking information of each vehicle, wherein the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
and acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, wherein the number of the vacant parking positions and the congestion degree are obtained by calculating the number of parked vehicles in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area.
2. The video recognition technology-based outdoor parking management method of claim 1, wherein the outdoor parking area is a rectangular area, a square area or a circular area.
3. The video recognition technology-based outdoor parking management method according to claim 1, wherein the vehicle basic information includes license plate information, vehicle color, and vehicle body size.
4. The video recognition technology-based outdoor parking management method according to claim 1, wherein the number of vacant parking spaces in the outdoor parking area is calculated by the following formula:
the number of empty parking spaces is the number of parked parking spaces + the number of vehicles parked in the outdoor parking area-the number of vehicles parked in the outdoor parking area.
5. The video recognition technology-based outdoor parking management method according to claim 1, wherein the degree of congestion in the outdoor parking area is:
the parking congestion degree is the maximum number of parking positions that can be parked plus the number of vehicles parked in the outdoor parking area.
6. An outdoor parking management system based on video recognition technology, comprising:
the parking space obtaining unit is used for obtaining the number of parked vehicles or the maximum number of parked vehicles in the outdoor parking area;
the system comprises a video monitoring information acquisition unit, a video monitoring information acquisition unit and a video monitoring information processing unit, wherein the video monitoring information acquisition unit is used for acquiring video monitoring information of all vehicles entering or exiting an outdoor parking area, the video monitoring information comprises dynamic monitoring information in all access and exit ranges of the outdoor parking area, and the dynamic monitoring information comprises a running track of each vehicle;
the vehicle basic information acquisition unit is used for acquiring vehicle basic information of each vehicle, and the vehicle basic information of each vehicle is obtained by carrying out target detection on the video monitoring information;
the vehicle parking or parking information acquisition unit is used for acquiring vehicle parking or parking information of each vehicle, and the vehicle parking or parking information of each vehicle is obtained by calculating the vehicle basic information and the running track;
the statistical unit is used for counting the number of vehicles parked in and parked out of the outdoor parking area according to the vehicle parking and parking information of each vehicle;
the calculation unit is used for acquiring the number of vacant parking positions or the congestion degree of parking in the outdoor parking area, and the number of the vacant parking positions and the congestion degree are calculated through the number of parked parking positions in the outdoor parking area and the number of vehicles parked in and out of the outdoor parking area;
a control unit for executing the outdoor parking management method based on the video recognition technology of any one of the above claims 1-5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011292516.XA CN112419780A (en) | 2020-11-18 | 2020-11-18 | Outdoor parking management method and system based on video identification technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011292516.XA CN112419780A (en) | 2020-11-18 | 2020-11-18 | Outdoor parking management method and system based on video identification technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140126A (en) * | 2021-04-27 | 2021-07-20 | 云南电网有限责任公司电力科学研究院 | Outdoor parking guiding method and system based on volume ratio of closed area |
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| KR20120138361A (en) * | 2011-06-15 | 2012-12-26 | (주)인펙비전 | Parking management operation system and operation method of the same |
| CN102915638A (en) * | 2012-10-07 | 2013-02-06 | 复旦大学 | Surveillance video-based intelligent parking lot management system |
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