CN114724381A - Method and system for generating positioning information of vehicle - Google Patents
Method and system for generating positioning information of vehicle Download PDFInfo
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- CN114724381A CN114724381A CN202011530886.2A CN202011530886A CN114724381A CN 114724381 A CN114724381 A CN 114724381A CN 202011530886 A CN202011530886 A CN 202011530886A CN 114724381 A CN114724381 A CN 114724381A
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- G08G1/00—Traffic control systems for road vehicles
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- 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 embodiment of the invention provides a method and a system for generating positioning information of a vehicle. The method comprises the following steps: when the vehicle enters the parking lot, the license plate information of the vehicle is collected, the vehicle is tracked, the moving image of the vehicle is obtained, whether the vehicle enters the parking lot is judged according to the moving image, if yes, the position information of the parking lot is obtained, the positioning information is generated by adopting the corresponding relation between the license plate information and the position information, after a vehicle owner parks the vehicle, the specific position of the vehicle in the parking lot can be found at a user side according to the positioning information, a large amount of time is saved, in addition, the parking lot is not required to be provided with a chip and identification equipment on the vehicle, the cost is reduced, and meanwhile, the parking lot is suitable for a large-scale public parking lot.
Description
Technical Field
The invention relates to the technical field of vehicle positioning, in particular to a method and a system for generating positioning information of a vehicle.
Background
In a large parking lot, such as an airport parking lot, a mall parking lot, and the like, since the number of parking spaces is large, it takes a lot of time for a vehicle owner to find a vehicle because the vehicle owner easily forgets a place where the vehicle is parked after parking for a certain period of time.
The existing parking lot vehicle positioning mode usually adopts the schemes of radio frequency identification technology, base station positioning technology and the like, and based on the radio frequency identification technical scheme, radio frequency identification chips are required to be installed on parking places of the parking lot and identification equipment is required to be installed on vehicles. The vehicle positioning scheme based on the base station also requires the installation of signal transmitting devices and signal receiving devices on the parking spaces and vehicles in the parking lot, which is not only costly, but also not applicable to public parking lots.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a method for generating location information of a vehicle and a corresponding system for generating location information of a vehicle that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for generating positioning information of a vehicle, where the method includes:
when the vehicle enters a parking lot, acquiring license plate information of the vehicle;
tracking the vehicle to obtain a moving image of the vehicle;
judging whether the vehicle enters a parking space or not according to the moving image;
if so, acquiring the position information of the parking space;
and generating positioning information by adopting the corresponding relation between the license plate information and the position information.
Optionally, after the step of generating the positioning information by using the corresponding relationship between the license plate information and the position information, the method further includes:
receiving vehicle position query information;
analyzing the vehicle position query information to obtain license plate information;
determining position information corresponding to the license plate information by adopting the positioning information;
and sending the position information to a user side.
Optionally, the step of determining whether the vehicle enters the parking space according to the moving image includes:
in the moving image, determining a parking space coordinate range of the parking space;
determining coordinates of the vehicle in the moving image;
judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
if so, determining that the vehicle enters the parking space;
if not, determining that the vehicle does not enter the parking space.
Optionally, the position information includes a parking space partition and a parking space number, and the step of obtaining the position information of the parking space includes:
when the vehicle enters a parking space, determining a unique identification code of a camera tracking the vehicle;
acquiring the parking space subarea by adopting the unique identification code;
identifying the position of a parking space identification dotted line corresponding to the parking space from the moving image;
acquiring a parking direction;
and determining the parking space number by adopting the position of the parking space identification dotted line and the parking direction.
The embodiment of the invention also discloses a system for generating the positioning information of the vehicle, which comprises:
the license plate information acquisition module is used for acquiring the license plate information of the vehicle when the vehicle enters the parking lot;
the vehicle tracking module is used for tracking the vehicle to obtain a moving image of the vehicle;
the parking judgment module is used for judging whether the vehicle enters a parking space or not according to the moving image;
the position information acquisition module is used for acquiring the position information of the parking space if the position information is acquired;
and the positioning information generating module is used for generating positioning information by adopting the corresponding relation between the license plate information and the position information.
Optionally, the method further comprises:
the vehicle position query information receiving module is used for receiving vehicle position query information;
the license plate information analysis module is used for analyzing the vehicle position query information to obtain license plate information;
the position information determining module is used for determining position information corresponding to the license plate information by adopting the positioning information;
and the position information sending module is used for sending the position information to the user side.
Optionally, the parking determination module includes:
the parking space coordinate range determining submodule is used for determining the parking space coordinate range of the parking space in the moving image;
a coordinate determination submodule of a vehicle for determining coordinates of the vehicle in the moving image;
the parking judgment submodule is used for judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
the parking completion determining submodule is used for determining that the vehicle enters the parking space if the parking completion determining submodule is used for determining that the vehicle enters the parking space;
and the incomplete parking determination submodule is used for determining that the vehicle does not enter the parking space if the vehicle does not enter the parking space.
Optionally, the location information includes a parking space partition and a parking space number, and the location information acquiring module includes:
the unique identification code determining submodule is used for determining the unique identification code of a camera which is tracking the vehicle when the vehicle enters a parking space;
the parking space partition obtaining submodule is used for obtaining the parking space partition by adopting the unique identification code;
the position identification submodule of the parking space identification dotted line is used for identifying the position of the parking space identification dotted line corresponding to the parking space from the moving image;
the parking direction obtaining submodule is used for obtaining the parking direction;
and the parking space number determining submodule is used for determining the parking space number by adopting the position of the parking space identification dotted line and the parking direction.
The embodiment of the invention has the following advantages: in the embodiment of the invention, when the vehicle enters the parking lot, the license plate information of the vehicle is collected, the vehicle is tracked to obtain the moving image of the vehicle, whether the vehicle enters the parking space is judged according to the moving image, if so, the position information of the parking space is obtained, the positioning information is generated by adopting the corresponding relation between the license plate information and the position information, and the specific position of the vehicle in the parking lot can be found at a user terminal according to the positioning information after the vehicle owner parks the vehicle, so that a large amount of time is saved.
Drawings
Fig. 1 is a flowchart illustrating a first embodiment of a method for generating positioning information of a vehicle according to the present invention.
Fig. 2 is a schematic diagram illustrating a parking space number determining step according to the present invention.
Fig. 3 is a block diagram of a first embodiment of a system for generating location information of a vehicle according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a method for generating positioning information of a vehicle according to the present invention is shown, which may specifically include the following steps:
the method comprises the steps that a camera is arranged at an inlet of a parking lot, a license plate of a vehicle entering the parking lot is shot through the camera to obtain a license plate image, then character recognition is carried out on the license plate image, and the license plate number of the vehicle, namely license plate information, is obtained. For example, license plate information of vehicle "a 52316" may be obtained.
the plurality of cameras are arranged in the inner passage of the parking lot, the vehicle can be tracked in the whole process after entering the parking lot, the moving images of the vehicle are captured, and then whether the vehicle enters the parking space or not can be judged according to the moving images of the vehicle.
In an embodiment of the present invention, the step of determining whether the vehicle enters the parking space according to the moving image of the vehicle includes:
a substep 1031, determining a parking space coordinate range of a parking space in the moving image;
first, a space coordinate range of the parking space is determined in the moving image. In a parking lot, since a parking space is generally defined by yellow or white paint, a paint-defined range can be identified in a moving image, and then a coordinate system is established to determine the paint-defined coordinate range as a parking space coordinate range.
A substep 1032 of determining coordinates of the vehicle in the moving image;
and carrying out image recognition on the moving image, recognizing the vehicle, and then determining the coordinates of the vehicle in the same coordinate system.
A substep 1033 of judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
because the vehicle is moving, the coordinates of the vehicle are changed, and whether the coordinates of the vehicle enter the parking space coordinate range or not is judged in real time.
Substep 1034, if yes, determining that the vehicle has entered the parking space;
when the coordinates of the vehicle enter the space coordinate range, it may be determined that the vehicle has entered the parking space, for example, assuming that the space coordinate range is a square area defined by (0,0), (0,50), (50, 0) and the real-time coordinates of the vehicle are (25,25), within the space coordinate range, it may be considered that the vehicle has entered the parking space.
If not, then it is determined that the vehicle has not entered the parking space in sub-step 1035.
When the coordinates of the vehicle do not enter the space coordinate range, it is determined that the vehicle does not enter the parking space, for example, if the space coordinate range is a square area defined by (0,0), (0,50), (50, 0), and the real-time coordinates of the vehicle are (75,30), and are not in the space coordinate range, it is determined that the vehicle does not enter the parking space. In another embodiment of the present application, whether the vehicle enters the parking space may be determined by determining a steering action of the vehicle.
104, if yes, acquiring the position information of the parking space;
when a vehicle enters a certain parking space of a parking lot, the position information of the parking space is obtained, and the position information comprises a parking space partition and a parking space number. Generally, in a large parking lot such as an airport parking lot and a mall parking lot, parking space sub-areas, such as a C1 area and a D2 area, are usually set due to a large number of parking spaces, each parking space sub-area includes a plurality of parking spaces, and each parking space has a space number, such as a space number 53 and a space number 71.
In an embodiment of the present invention, the step of obtaining the position information of the parking space includes:
substep 1041, determining a unique identification code of a camera that is tracking the vehicle when the vehicle enters the parking space;
in the aisle of the parking lot, each camera has a unique identification code, and when the vehicle enters the parking space, the unique identification code of the camera capturing the moving image of the vehicle is determined. The technician may establish a correspondence relationship between the unique identification code of the camera and the parking space partition in advance, for example, the camera with the unique identification code of 98 is in the parking space partition C1.
Substep 1042, obtaining the parking space partition by adopting the unique identification code;
after the unique identification code of the camera is determined, the parking space partition is obtained by using the unique identification code, for example, if the determined unique identification code of the camera is 98, and the camera with the unique identification code of 98 is in the parking space partition C1, the parking space partition in which the vehicle is parked can be determined to be in the C1 partition.
A substep 1043 of identifying a position of a parking space identification dotted line corresponding to the parking space from the moving image;
in the embodiment of the present invention, as shown in fig. 2, a parking space identification dashed line is disposed in a parking lot passageway, and the parking space identification dashed line is opposite to parking spaces on both sides of the passageway. When the vehicle stops at a certain parking space, the position of a space identification dotted line relative to the parking space is identified.
Substep 1044, obtaining a parking direction;
because the parking space identification dotted line is opposite to the parking spaces on both sides of the channel, the parking direction needs to be acquired to determine which parking space the vehicle is parked at.
And a substep 1045 of determining a parking space number by using the position and the parking direction of the parking space identification dashed line.
The technician may previously establish a correspondence relationship between the positions of the parking space identification dashed lines and the parking space numbers, for example, if the positions of the parking space identification dashed lines are 03 and 09 corresponding to 10 meters, the left parking space number is 03, the right parking space number is 09, and the position of the parking space identification dashed line corresponding to the parking space where the vehicle is parked is 10 meters and the vehicle is parked to the right, then the parking space number may be determined to be 09.
And 105, generating positioning information by adopting the corresponding relation between the license plate information and the position information.
The positioning information includes a corresponding relationship between license plate information and position information, for example, the license plate information of a52316 corresponds to the position information of the parking space number 80 in the parking space partition C1.
In a large parking lot, because the number of parking spaces is huge, it is often difficult for an owner to retrieve the parking spaces after parking, and therefore, in an optional embodiment of the present invention, after the step of generating the positioning information by using the corresponding relationship between the license plate information and the position information, the method further includes:
receiving vehicle position query information;
when the vehicle owner needs to take the vehicle, the license plate information is input on the user terminal, the user terminal can be a self-service inquiry terminal in a parking lot or parking lot application software on the mobile phone of the vehicle owner, the user terminal generates vehicle position inquiry information by adopting the license plate information and sends the vehicle position inquiry information to a parking lot system, and the parking lot system receives the vehicle position inquiry information.
Analyzing the vehicle position query information to obtain license plate information;
determining position information corresponding to the license plate information by adopting the positioning information;
for example, it can be determined that the position information corresponding to the license plate information a52316 is the parking space number 80 in the parking space partition C1.
And sending the position information to a user side.
For example, the position information of the parking space number 80 in the parking space partition C1 is sent to the user side, so that the vehicle owner can quickly and accurately find the vehicle in the parking lot.
In the embodiment of the invention, when the vehicle enters the parking lot, the license plate information of the vehicle is collected, the vehicle is tracked to obtain the moving image of the vehicle, whether the vehicle enters the parking space or not is judged according to the moving image, if so, the position information of the parking space is obtained, the positioning information is generated by adopting the corresponding relation between the license plate information and the position information, and the specific position of the vehicle in the parking lot can be found at a user terminal according to the positioning information after the vehicle owner parks the vehicle, so that a large amount of time is saved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of a first embodiment of a system for generating positioning information of a vehicle according to the present invention is shown, and may specifically include the following modules:
the license plate information acquisition module 201 is used for acquiring license plate information of the vehicle when the vehicle enters a parking lot;
a vehicle tracking module 202, configured to track the vehicle to obtain a moving image of the vehicle;
the parking judgment module 203 is used for judging whether the vehicle enters a parking space according to the moving image;
a position information obtaining module 204, configured to, if yes, obtain position information of the parking space;
and the positioning information generating module 205 is configured to generate positioning information by using the corresponding relationship between the license plate information and the position information.
In an embodiment of the present invention, the system further includes:
the vehicle position query information receiving module is used for receiving vehicle position query information;
the license plate information analysis module is used for analyzing the vehicle position query information to obtain license plate information;
the position information determining module is used for determining position information corresponding to the license plate information by adopting the positioning information;
and the position information sending module is used for sending the position information to the user side.
In an embodiment of the present invention, the parking determining module includes:
the parking space coordinate range determining submodule is used for determining the parking space coordinate range of the parking space in the moving image;
a coordinate determination submodule of a vehicle for determining coordinates of the vehicle in the moving image;
the parking judgment submodule is used for judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
the parking completion determining submodule is used for determining that the vehicle enters the parking space if the parking completion determining submodule is used for determining that the vehicle enters the parking space;
and the incomplete parking determination submodule is used for determining that the vehicle does not enter the parking space if the vehicle does not enter the parking space.
In the embodiment of the present invention, the position information includes a parking space partition and a parking space number, and the position information acquiring module includes:
the unique identification code determining submodule is used for determining the unique identification code of the camera tracking the vehicle when the vehicle enters the parking space;
the parking space partition obtaining submodule is used for obtaining the parking space partition by adopting the unique identification code;
the position identification submodule of the parking space identification dotted line is used for identifying the position of the parking space identification dotted line corresponding to the parking space from the moving image;
the parking direction obtaining submodule is used for obtaining the parking direction;
and the parking space number determining submodule is used for determining the parking space number by adopting the position of the parking space identification dotted line and the parking direction.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
An embodiment of the present invention further provides an apparatus, including:
the vehicle positioning information generation method comprises a processor, a memory and a computer program which is stored in the memory and can run on the processor, wherein when the computer program is executed by the processor, each process of the vehicle positioning information generation method embodiment is realized, the same technical effect can be achieved, and the repeated description is omitted here for avoiding repetition.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the processes of the embodiment of the method for generating location information of a vehicle are implemented, and the same technical effects can be achieved, and are not described herein again to avoid repetition.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not only mean that the elements are included
Including those elements but also other elements not expressly listed or inherent to such process, method, article, or terminal apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The method for generating the positioning information of the vehicle and the system for generating the positioning information of the vehicle provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A method of generating positioning information of a vehicle, the method comprising:
when the vehicle enters a parking lot, acquiring license plate information of the vehicle;
tracking the vehicle to obtain a moving image of the vehicle;
judging whether the vehicle enters a parking space or not according to the moving image;
if so, acquiring the position information of the parking space;
and generating positioning information by adopting the corresponding relation between the license plate information and the position information.
2. The method of claim 1, wherein after the step of generating the positioning information by using the corresponding relationship between the license plate information and the position information, the method further comprises:
receiving vehicle position query information;
analyzing the vehicle position query information to obtain license plate information;
determining position information corresponding to the license plate information by adopting the positioning information;
and sending the position information to a user side.
3. The method of claim 1, wherein the step of determining whether the vehicle enters the parking space according to the moving image comprises:
in the moving image, determining a parking space coordinate range of the parking space;
determining coordinates of the vehicle in the moving image;
judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
if so, determining that the vehicle already enters the parking space;
if not, determining that the vehicle does not enter the parking space.
4. The method of claim 1, wherein the location information includes a parking space zone and a parking space number, and the step of obtaining the location information of the parking space includes:
when the vehicle enters a parking space, determining a unique identification code of a camera tracking the vehicle;
acquiring the parking space subarea by adopting the unique identification code;
identifying the position of a parking space identification dotted line corresponding to the parking space from the moving image;
acquiring a parking direction;
and determining the parking space number by adopting the position of the parking space identification dotted line and the parking direction.
5. A system for generating positioning information of a vehicle, the system comprising:
the license plate information acquisition module is used for acquiring license plate information of the vehicle when the vehicle enters the parking lot;
the vehicle tracking module is used for tracking the vehicle to obtain a moving image of the vehicle;
the parking judgment module is used for judging whether the vehicle enters a parking space or not according to the moving image;
the position information acquisition module is used for acquiring the position information of the parking space if the position information is acquired;
and the positioning information generating module is used for generating positioning information by adopting the corresponding relation between the license plate information and the position information.
6. The system of claim 5, further comprising:
the vehicle position query information receiving module is used for receiving vehicle position query information;
the license plate information analysis module is used for analyzing the vehicle position query information to obtain license plate information;
the position information determining module is used for determining position information corresponding to the license plate information by adopting the positioning information;
and the position information sending module is used for sending the position information to the user side.
7. The system of claim 5, wherein the parking determination module comprises:
the parking space coordinate range determining submodule is used for determining the parking space coordinate range of the parking space in the moving image;
a coordinate determination submodule of a vehicle for determining coordinates of the vehicle in the moving image;
the parking judgment submodule is used for judging whether the coordinates of the vehicle enter the parking space coordinate range or not;
the parking completion determining submodule is used for determining that the vehicle enters the parking space if the parking completion determining submodule is used for determining that the vehicle enters the parking space;
and the incomplete parking determination submodule is used for determining that the vehicle does not enter the parking space if the vehicle does not enter the parking space.
8. The system of claim 5, wherein the location information comprises a parking space partition and a parking space number, and the location information acquiring module comprises:
the unique identification code determining submodule is used for determining the unique identification code of the camera tracking the vehicle when the vehicle enters the parking space;
the parking space partition obtaining submodule is used for obtaining the parking space partition by adopting the unique identification code;
the position identification submodule of the parking space identification dotted line is used for identifying the position of the parking space identification dotted line corresponding to the parking space from the moving image;
the parking direction obtaining submodule is used for obtaining the parking direction;
and the parking space number determining submodule is used for determining the parking space number by adopting the position of the parking space identification dotted line and the parking direction.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of generating location information of a vehicle according to any one of claims 1 to 4.
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| EP3633648A1 (en) * | 2018-10-04 | 2020-04-08 | Bull SAS | Method for locating a parking space for a vehicle in a car park |
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| KR101237415B1 (en) * | 2012-07-03 | 2013-02-27 | 강원식 | Parking management system and method thereof |
| KR101307234B1 (en) * | 2012-07-10 | 2013-09-11 | (주)에스디시스템 | Parking management system based on object recognition |
| KR20190046616A (en) * | 2017-10-25 | 2019-05-07 | 주식회사 지엠케이정보통신 | Parking management system using intelligent image analysis and management method thereof |
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