CN111508082A - Parking information acquisition method and device, central platform and storage medium - Google Patents
Parking information acquisition method and device, central platform and storage medium Download PDFInfo
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- CN111508082A CN111508082A CN201911053738.3A CN201911053738A CN111508082A CN 111508082 A CN111508082 A CN 111508082A CN 201911053738 A CN201911053738 A CN 201911053738A CN 111508082 A CN111508082 A CN 111508082A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
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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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- 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
Abstract
The embodiment of the invention provides a parking information acquisition method, a parking information acquisition device, a central platform and a storage medium, wherein the method comprises the following steps: acquiring the driving information of the vehicle, wherein the driving information comprises vehicle identity information, parking space information of a parking space of the vehicle, driving time and a driving picture shot by an image acquisition device when the vehicle is detected to drive into the parking space from a preset analysis area; obtaining the parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space; acquiring the outgoing information of the vehicle, wherein the outgoing information comprises vehicle identity information, parking space information of a parking space of the vehicle, outgoing time and an outgoing picture shot by an image acquisition device when the image acquisition device detects that the vehicle enters a preset analysis area from the parking space; and determining parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle. The embodiment of the invention can completely collect the parking information of the vehicle.
Description
Technical Field
The invention relates to the technical field of vehicle management, in particular to a parking information acquisition method, a parking information acquisition device, a central platform and a storage medium.
Background
In order to solve the problem of difficult parking in cities, road parking spaces are arranged in scattered areas in the cities to facilitate parking of motor vehicles. For example, roadside parking spaces are provided along the sides of roads in cities to facilitate parking of motor vehicles. In consideration of the fact that parking spaces on the road surface are relatively scattered, if parking management is performed manually, the problems of low parking management efficiency and high labor cost are caused, so that a parking management system is introduced to perform parking management on the parking spaces on the road surface at present.
The related parking management system records the process of the vehicle entering the parking space to determine the time of the vehicle entering the parking space and records the process of the vehicle exiting the parking space to determine the time of the vehicle exiting the parking space when the parking management system performs parking management on the road parking space, and further calculates the parking cost of the vehicle by using the difference between the time of the vehicle entering the parking space and the time of the vehicle exiting the parking space.
Although the prior art can realize parking management, there is the incomplete problem of the parking information collection to the vehicle. However, because the parking information of the vehicle is not collected completely, for the condition that the vehicle enters or exits the parking space in the parking time period, the parking fee of the vehicle is still calculated by the existing parking management system, and the parking fee is miscalculated.
Disclosure of Invention
The embodiment of the invention aims to provide a parking information acquisition method, a parking information acquisition device, a central platform and a storage medium, so as to completely acquire parking information of a vehicle. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides a parking information acquisition method, where the method includes:
acquiring the entry information of a vehicle, wherein the entry information comprises vehicle identity information, parking space information of a parking space of the vehicle, entry time and an entry picture shot by an image acquisition device when the vehicle is detected to enter the parking space from a preset analysis area; the predetermined analysis area is adjacent to the parking space area;
the method comprises the steps of obtaining parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture shot by image acquisition equipment periodically when the vehicle is detected to be parked on the parking space;
acquiring the outgoing information of the vehicle, wherein the outgoing information comprises vehicle identity information, parking space information of a parking space of the vehicle, outgoing time and an outgoing picture shot by an image acquisition device when the vehicle is detected to enter the preset analysis area from the parking space;
and determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
Optionally, the parking information comprises a chain of parking evidence;
the determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle comprises the following steps:
and associating the incoming picture, the at least one stopping picture and the outgoing picture of the same vehicle identity information when the vehicle is parked on the parking space to obtain a parking evidence chain when the vehicle is parked on the parking space.
Optionally, the method further comprises:
determining the parking time of the vehicle in the parking space by using the entrance time and the exit time;
judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
Optionally, the stop information of the vehicle further includes a stop time, and the method further includes:
when the entrance information of the vehicle is empty information and/or the exit information of the vehicle is empty information, determining the parking time of the vehicle in the parking space according to the staying time of the vehicle;
judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
In a second aspect, an embodiment of the present invention provides a parking information collecting device, where the device includes:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring the driving-in information of a vehicle, and the driving-in information comprises vehicle identity information, parking space information of a parking space of the vehicle, driving-in time and a driving-in picture shot by an image acquisition device when the vehicle is detected to drive into the parking space from a preset analysis area; the predetermined analysis area is adjacent to the parking space area;
the second acquisition module is used for acquiring the parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture periodically shot by image acquisition equipment when the vehicle is detected to be parked on the parking space;
a third obtaining module, configured to obtain exit information of the vehicle, where the exit information includes vehicle identity information, parking space information of a parking space of the vehicle, exit time, and an exit picture taken by an image acquisition device when it is detected that the vehicle enters the predetermined analysis area from the parking space;
the first determining module is used for determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
Optionally, the parking information comprises a chain of parking evidence;
the first determining module is specifically configured to associate an incoming picture, at least one parking picture and an outgoing picture of the same vehicle identity information, where the vehicle is parked in a parking space, to obtain a parking evidence chain where the vehicle is parked in the parking space.
Optionally, the apparatus further comprises:
the second determining module is used for determining the parking time of the vehicle in the parking space by using the entrance time and the exit time;
the first processing module is used for judging whether the parking time length exceeds the free parking time length or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
Optionally, the stop information of the vehicle further includes a stop time, and the apparatus further includes:
the third determining module is used for determining the parking time of the vehicle in the parking space according to the staying time of the vehicle when the entrance information of the vehicle is empty information and/or the exit information of the vehicle is empty information;
the second processing module is used for judging whether the parking time length exceeds the free parking time length or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
In a third aspect, an embodiment of the present invention provides a central platform, including: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
the memory is used for storing a computer program;
the processor is configured to implement the method steps of the parking information collection according to the first aspect when executing the program stored in the memory.
In a fourth aspect, the present invention provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed by a processor, the method steps of parking information collection as described in the first aspect above are implemented.
According to the scheme provided by the embodiment of the invention, the driving-in information of the vehicle is obtained, wherein the driving-in information comprises vehicle identity information, parking space information of a parking space of the vehicle, driving-in time and a driving-in picture shot by an image acquisition device when the vehicle is detected to drive into the parking space from a preset analysis area adjacent to a parking space area; the method comprises the steps of obtaining parking information of a vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture shot by image acquisition equipment regularly when the image acquisition equipment detects that the vehicle is parked on the parking space; acquiring the outgoing information of the vehicle, wherein the outgoing information comprises vehicle identity information, parking space information of a parking space of the vehicle, outgoing time and an outgoing picture shot by an image acquisition device when the image acquisition device detects that the vehicle enters a preset analysis area from the parking space; and determining parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
In the embodiment of the invention, because the entering information representing that the vehicle enters the parking space, the stopping information representing that the vehicle stops at the parking space and the exiting information representing that the vehicle exits the parking space are obtained, the parking information of the vehicle in the processes of entering the parking space, stopping the parking space and exiting the parking space can be completely collected, namely the parking information of the vehicle can be completely collected.
Of course, it is not necessary for any product or method of practicing the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flowchart of a parking information collection method according to an embodiment of the present invention;
fig. 2a is a view schematically illustrating the field of view and the installation of a camera according to an embodiment of the present invention (top view);
FIG. 2b is a schematic view (side view) of the field of view and the installation of a camera according to an embodiment of the present invention;
fig. 3 is a structural diagram of a parking information collecting apparatus according to an embodiment of the present invention;
fig. 4 is a structural diagram of a parking information collection system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a central platform according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The related parking management system records the process of the vehicle entering the parking space to determine the time of the vehicle entering the parking space and records the process of the vehicle exiting the parking space to determine the time of the vehicle exiting the parking space when the parking management system performs parking management on the road parking space, and further calculates the parking cost of the vehicle by using the difference between the time of the vehicle entering the parking space and the time of the vehicle exiting the parking space.
Although the prior art can realize parking management, there is the incomplete problem of the parking information collection to the vehicle. However, because the parking information of the vehicle is not collected completely, for the condition that the vehicle enters or exits the parking space in the parking time period, the parking fee of the vehicle is still calculated by the existing parking management system, and the parking fee is miscalculated.
In order to solve the problems of the prior art, the embodiment of the invention provides a parking information acquisition method, a parking information acquisition device, a central platform and a storage medium.
It should be noted that the parking information collection method provided by the embodiment of the present invention may be applied to a central platform in a parking information collection system, where the central platform may be a device for recording and analyzing parking information of a vehicle. The parking information acquisition system may further include an image acquisition device that may be communicatively coupled to the central platform.
As shown in fig. 1, a parking information collection method provided in an embodiment of the present invention may include the following steps:
s101, acquiring the driving information of the vehicle, wherein the driving information comprises vehicle identity information, parking space information of a parking space of the vehicle, driving time and a driving picture shot by an image acquisition device when the vehicle is detected to drive into the parking space from a preset analysis area; the predetermined analysis area is adjacent to the parking space area.
In order to collect the parking information of the vehicle in the parking space area, an image collecting device can be installed near the parking space area, the image collecting device is used for shooting pictures in the processes of driving the vehicle into, stopping and driving the vehicle out of the parking space in the parking space area, the shot pictures are sent to a central platform, the central platform can obtain the parking information of the vehicle in the parking space area based on the shot pictures, and the central platform can analyze the conditions of parking arrearages and the like of the vehicle in the parking space based on the parking information. Wherein the image capturing device may be a camera. Illustratively, a pole may be mounted in front of or behind the area of the parking space, and a crossbar may be mounted above the pole, on which the camera may be mounted. One camera can monitor one or more parking spaces. For example, as shown in fig. 2a and 2b, a camera monitors 4 parking spaces, a vertical rod is installed in front of a parking space area, a cross rod is installed above the vertical rod, and the camera is installed on the cross rod.
The field of view range of the camera includes a parking space area and a predetermined analysis area adjacent to the parking space area. For example, in fig. 2a, the area where the arrow to the right is located is the predetermined analysis area. It can be understood that when the vehicle is parked in the parking space, the vehicle firstly enters the preset analysis area and then enters the parking space, and when the vehicle is driven out of the parking space, the vehicle firstly leaves the parking space, enters the preset analysis area and then leaves the preset analysis area. The camera monitors a preset analysis area adjacent to the parking space area, so that the vehicle can be identified, and the complete process of parking and exiting the parking space of the vehicle can be monitored.
In practical application, the image acquisition device can continuously monitor the parking space area and the preset analysis area, in the monitoring process, when the condition that the vehicle enters the parking space from the preset analysis area is detected, the image acquisition device can shoot an entering picture of the vehicle, and the shot entering picture can be used for determining the entering information of the vehicle. The process of detecting the vehicle entering the parking space from the predetermined analysis area by the image capturing device will be described below.
In the driving information of the vehicle, the vehicle identity information may be a license plate number of the vehicle, or may be other information for identifying the identity of the vehicle, and the vehicle identity information of different vehicles is different. The parking space information of the parking space of the vehicle can comprise a parking space number and a parking space state, and the parking space state can be a vehicle entering state, a vehicle existing state, a vehicle leaving state or a vehicle not existing state. Of course, the parking space numbers of different parking spaces are also different. The driving time is the time when the vehicle drives into the parking space.
In one mode of this embodiment, the entry information of the vehicle may be determined by the image capturing device based on the captured entry picture, and after the image capturing device determines the entry information of the vehicle, the entry information may be sent to the central platform.
In another mode of this embodiment, some or all of the information, including the vehicle identity information, the parking space information of the parking space, the entry time, and the like, included in the entry information of the vehicle may be determined by the central platform based on the entry picture sent by the image capturing device. For example, other information besides the identity information of the vehicle may be determined by the image capturing device based on the captured incoming picture, and after determining the other information in the incoming information of the vehicle, the image capturing device may transmit the other information to the central platform. The vehicle identity information in the entrance information of the vehicle can be determined by the central platform based on the entrance picture sent by the image acquisition device.
The manner in which the image capture device determines the entry information of the vehicle based on the captured entry picture may be:
the image acquisition equipment can identify and analyze the shot driving-in picture to obtain the vehicle identity information and the parking space information of the vehicle parking space, and then the acquisition moment of the driving-in picture is taken as the driving-in time, so that the image acquisition equipment determines the driving-in information comprising the vehicle identity information, the parking space information of the vehicle parking space, the driving-in time and the driving-in picture.
The manner of determining the identity information of the vehicle based on the driving-in picture by the central platform may be:
after receiving the driving-in picture sent by the image acquisition equipment, the central platform can identify and analyze the driving-in picture so as to obtain the vehicle identity information.
S102, obtaining the parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture shot by the image acquisition equipment periodically when the vehicle is detected to be parked on the parking space.
When the image acquisition equipment detects that the vehicle is parked in the parking space within the view field range, whether the vehicle is parked on the parking space can be detected, and if the vehicle is detected to be parked on the parking space, the image acquisition equipment can regularly shoot at least one parking picture of the vehicle parked on the parking space. Each captured stay picture may be used to determine stay information for the vehicle. When the vehicle stays in the parking space, the vehicle hardly changes its position relative to the parking space and the stay time is relatively long, so that the periodic shooting period can be set to a long period. For example, 1 minute is set, that is, photographing is performed every 1 minute. For another example, 30 seconds is set, that is, the image is taken every 30 seconds. The process of detecting that the vehicle is parked in the parking space by the image capturing device will be described below.
In this embodiment, each time the image acquisition device takes a stay picture, the stay picture or the vehicle identity information corresponding to the stay picture, the parking space information of the parking space of the vehicle, and the stay picture may be sent to the central platform. After the central platform receives the parking picture, the central platform can identify and analyze the parking picture to obtain the vehicle identity information and the parking space information of the vehicle parking space. The central platform associates each stay picture with the identity information of the vehicle and the parking space information of the parking space of the vehicle, so that the central platform can determine the stay information comprising the identity information of the vehicle, the parking space information of the parking space of the vehicle and at least one stay picture with the vehicle parked on the parking space.
S103, obtaining the exit information of the vehicle, wherein the exit information comprises vehicle identity information, parking space information of a parking space of the vehicle, exit time and an exit picture shot by the image acquisition device when the image acquisition device detects that the vehicle enters a preset analysis area from the parking space.
When the image acquisition equipment detects that the vehicle enters the preset analysis area from the parking space, the image acquisition equipment can shoot the exit picture of the vehicle, and the shot exit picture can be used for determining the exit information of the vehicle. The process of detecting the vehicle entering the predetermined analysis area from the parking space by the image capturing device will be described below.
In one mode of the embodiment, the exit information of the vehicle may be determined by the image capturing device based on the shot exit picture, and after the image capturing device determines the exit information of the vehicle, the exit information may be sent to the central platform.
In another mode of this embodiment, some or all of the information, including the vehicle identity information, the parking space information of the parking space, the exit time, and the like, included in the exit information of the vehicle may be determined by the central platform based on the exit picture sent by the image capturing device. For example, other information than the identity information of the vehicle may be determined by the image capturing device based on the taken outgoing picture, and after the image capturing device determines other information in the outgoing information of the vehicle, the other information may be transmitted to the central platform. The vehicle identity information in the vehicle exit information can be determined by the central platform based on the exit picture sent by the image acquisition device.
The manner in which the image capturing device determines the entrance information of the vehicle based on the photographed exit picture may be referred to above as the manner in which the image capturing device determines the entrance information of the vehicle based on the photographed entrance picture, similar to the manner in which the image capturing device determines the entrance information of the vehicle based on the photographed entrance picture. The mode of the central platform determining the identity information of the vehicle based on the outgoing picture is similar to the mode of the central platform determining the identity information of the vehicle based on the outgoing picture, and the mode of the central platform determining the identity information of the vehicle can be referred to above.
And S104, determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
After the entrance information, the stop information and the exit information of the vehicle are obtained, the central platform can determine the parking information of the vehicle according to the information. Further, based on the parking information, the central platform can analyze the parking arrearage and other conditions of the vehicle in the parking space.
Optionally, the parking information comprises a chain of parking evidence; accordingly, the number of the first and second electrodes,
determining the parking information of the vehicle according to the entrance information, the stop information, and the exit information of the vehicle may include:
and associating the incoming picture, the at least one stopping picture and the outgoing picture of the same vehicle identity information when the vehicle is parked on the parking space to obtain a parking evidence chain when the vehicle is parked on the parking space.
The central platform can determine the entrance information, the stop information and the exit information which have the same vehicle identity information and the same parking space information, and then, the entrance picture in the determined entrance information, the stop picture in the determined stop information and the exit picture in the determined exit information are associated to obtain a parking evidence chain that the vehicle is parked on the parking space. The parking evidence chain completely records the parking process of the vehicle in the parking space in the form of pictures.
In the embodiment of the invention, because the entering information representing that the vehicle enters the parking space, the stopping information representing that the vehicle stops at the parking space and the exiting information representing that the vehicle exits the parking space are obtained, the parking information of the vehicle in the processes of entering the parking space, stopping the parking space and exiting the parking space can be completely collected, namely the parking information of the vehicle can be completely collected.
Optionally, on the basis of the embodiment shown in fig. 1, the method may further include:
determining the parking time of the vehicle in the parking space by using the driving-in time and the driving-out time;
judging whether the parking time exceeds the free parking time; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and after the vehicle owner is judged to pay the parking fee, the parking information of the vehicle is deleted after a preset time.
After acquiring the entrance information, the stopping information and the exit information of the vehicle, the central platform can determine the parking time of the vehicle in the parking space by using the entrance time in the entrance information and the exit time in the exit information. Further, the central platform can judge whether the parking duration exceeds the free parking duration, if so, whether a parking payment record for the current parking of the vehicle exists can be determined, and if the parking payment record exists, the central platform can delete the parking information of the vehicle after a preset duration. The predetermined period of time may be set as desired, such as a week. If the parking fee-paying record does not exist, the central platform can calculate the parking fee of the vehicle for parking at this time and send prompt information to prompt the vehicle owner to pay the parking fee. Specifically, the central platform can calculate the parking fee according to the parking charging standard, the parking space category and the parking duration. The sending of the prompt message may be sending a prompt short message, an email, etc. to the vehicle owner, wherein the prompt short message may be in a voice form, a picture form, a text form, etc. After the vehicle owner is judged to pay the parking fee, the central platform can delete the parking information of the vehicle after a preset time.
Optionally, the stop information of the vehicle may further include a stop time, and on the basis of the embodiment shown in fig. 1, the method may further include:
when the driving information of the vehicle is empty information and/or the driving information of the vehicle is empty information, determining the parking time of the vehicle in the parking space according to the staying time of the vehicle;
judging whether the parking time exceeds the free parking time; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and after the vehicle owner is judged to pay the parking fee, the parking information of the vehicle is deleted after a preset time.
When the driving information has partial information loss or all information loss, determining the driving information as null information; and when the exiting information has partial information loss or all information loss, determining that the exiting information is empty information.
In practical situations, there may be a case where the image capturing apparatus fails to take a picture or a case where the image capturing apparatus fails to transmit a picture taken by the image capturing apparatus due to a network failure. If the situations occur in the process that the vehicle enters the parking space and/or exits the parking space, but the situations do not occur when the vehicle stays in the parking space, the central platform can only acquire the complete or partial stay information of the vehicle, but cannot acquire the entering information and/or the exiting information of the vehicle. In this case, the central platform may determine the parking time of the vehicle based on the parking information, thereby determining the parking duration of the vehicle in the parking space. Specifically, the central platform may use the collection time of the earliest collected stay image in the stay information, the time duration from the collection time of the latest collected stay image in the stay information as the stay time, and the stay time as the parking time duration of the vehicle in the parking space.
After the parking time of the vehicle in the parking space is determined, further, the central platform can judge whether the parking time exceeds the free parking time, if so, whether a parking fee payment record aiming at the parking of the vehicle exists can be determined, and if the parking fee payment record exists, the central platform can delete the parking information of the vehicle after the preset time. The predetermined time period may be set by itself, such as a week. If the parking fee-paying record does not exist, the central platform can calculate the parking fee of the vehicle for parking at this time and send prompt information to prompt the vehicle owner to pay the parking fee. Specifically, the central platform can calculate the parking fee according to the parking charging rule, the parking space category and the parking duration. After the vehicle owner is judged to pay the parking fee, the central platform can delete the parking information of the vehicle after a preset time.
The following describes a process of detecting that a vehicle enters a parking space from a predetermined analysis area by using an image acquisition device, and the process may include the following steps:
and step 11, when the vehicle is detected to enter a preset analysis area within the field range, capturing at least one first picture containing the vehicle according to a first period.
In practical application, the image acquisition device can continuously monitor the parking space area and the preset analysis area, and in the monitoring process, when a vehicle is detected to drive into the preset analysis area in a certain monitoring video frame, the camera can capture at least one first picture containing the vehicle according to a first period. Specifically, the camera may analyze each surveillance video frame, and when it is analyzed that a vehicle appears in a predetermined analysis area of a certain surveillance video frame relative to a previous surveillance video frame, it may be determined that: the vehicle is detected to enter a predetermined analysis area within the field of view. Further, when the proportion of the vehicle in the monitoring video frame in the predetermined analysis area reaches a certain value, the following judgment is made: the vehicle is detected to enter a predetermined analysis area within the field of view.
And step 12, if N continuous first pictures meeting a first preset condition exist in the currently captured first pictures, determining that the vehicle enters the parking space from the preset analysis area.
Wherein the first predetermined condition comprises: in any one of the N continuous first pictures, the proportion of the vehicle in the parking space is greater than a first proportion threshold value.
Where N can be set empirically, for example, setting N to 10, and for example, setting N to 5. The first proportional threshold may also be set according to experience or actual needs, for example, the first proportional threshold is set as: 96%, for another example, the first proportional threshold is set as: 98 percent.
It can be understood that, if the vehicle enters the parking space, the proportion of the vehicle in the parking space reaches certain data, so that if N consecutive first pictures meeting the first predetermined condition exist in the currently captured first pictures, it can be determined that the vehicle enters the parking space from the predetermined analysis area.
If the vehicle is not detected to enter the parking space within the field of view, the first captured pictures can be deleted, namely the data are discarded.
Of course, in practical applications, the process of detecting that the vehicle enters the parking space from the predetermined analysis area can also be realized by judging each currently obtained surveillance video frame. And if continuous N frames of monitoring video frames meeting the first preset condition exist in all the currently obtained monitoring video frames, determining that the vehicle detected by the vehicle enters the parking space from the preset analysis area.
The following describes a process of detecting that a vehicle is parked in a parking space by using an image acquisition device, and the process may include the following steps:
image acquisition equipment can regularly carry out the analysis to the surveillance video frame after detecting that the vehicle drives into the parking stall from predetermined analysis district, and in a certain surveillance video frame of analysis, when the proportion that the vehicle accounted for the parking stall reached a definite value, can judge: and detecting that the vehicle is parked on the parking space. For example, the certain value is 90%, and for example, the certain value is 95%.
In practical application, the monitoring video frames can be analyzed periodically, and when a certain monitoring video frame is analyzed, and the vehicle is determined to be parked on a parking space, at least one parking picture is shot.
The following describes a process of detecting that a vehicle enters a predetermined analysis area from a parking space by using an image acquisition device, and the process may include the following steps:
if N continuous stay pictures meeting a second preset condition exist in the currently shot stay pictures, determining that the vehicle enters a preset analysis area from the parking space;
wherein the second predetermined condition comprises: and in any one of the N continuous stay images, the proportion of the vehicle in the parking space is smaller than a second proportion threshold value.
Where N can be set empirically, for example, setting N to 10, and for example, setting N to 5. The second proportional threshold may also be set according to experience or actual needs, for example, the second proportional threshold is set as: 5%, and for another example, setting the second proportional threshold as: 3 percent.
Of course, in practical applications, the process of detecting that the vehicle enters the predetermined analysis area from the parking space can also be realized by judging each currently obtained surveillance video frame. And if the continuous N frames of monitoring video frames meeting the second preset condition exist in the currently obtained monitoring video frames, determining the process that the vehicle enters the preset analysis area from the parking space.
Optionally, on the basis of the embodiment shown in fig. 1, the method may further include:
when the image acquisition equipment detects that the vehicle enters a preset analysis area within the field of view, vehicle identity information is recognized, target tracking is carried out on the vehicle to obtain tracking information, and the recognized vehicle identity information is associated with the tracking information.
When the image acquisition equipment detects that the vehicle enters the preset analysis area, the current monitoring video frame can be identified to obtain the identification information of the identified vehicle. And the image acquisition equipment can track the target of the vehicle to obtain tracking information. Specifically, the image capturing device may assign an ID (Identity) to the vehicle, and then continuously record the position information of the vehicle with the ID in each monitored video frame, and use the recorded position information as the tracking information. After obtaining tracking information, the image capture device may associate the identified vehicle identity information with the obtained tracking information. The association here can also be understood as: and establishing a corresponding relation between the position information of the vehicle with the ID in the monitoring video frame and the identity information of the vehicle aiming at each monitoring video frame of the vehicle with the ID.
Accordingly, the manner in which the image capture device determines the vehicle identity information in the incoming picture may include:
identifying the identity information of the vehicle in the driving picture;
if the identification is successful, determining the identification result as the vehicle identity information;
and if the identification fails, vehicle identity information associated with the tracking information of the vehicle is acquired.
When the identity information of the vehicle in the driving picture is determined, the vehicle information of the vehicle in the driving picture can be firstly identified, and if the vehicle identity information is identified, the identified vehicle identity information is determined as the vehicle identity information. In practical applications, there are situations where the identity information of the vehicle is not recognized, for example, when a plurality of vehicles are parked adjacent to each other in a parking space, the identity information of the vehicle in the incoming picture may not be recognized. For this case, vehicle identification information associated with the tracking information of the vehicle may be acquired. Specifically, the entering picture corresponds to a surveillance video frame, and the tracking information of the surveillance video frame corresponding to the entering picture may be determined first, and then the vehicle identity information associated with the determined tracking information may be acquired.
Optionally, the manner of determining the vehicle identity information in the driving-in picture by the image capturing device may further include:
when the fact that the vehicle is lost in tracking and the identification of the identity information of the vehicle in the driving picture fails is detected, if the current parking space state of the parking space is the presence of the vehicle, the identity information of the vehicle is marked as unknown, and if the current parking space state of the parking space is the absence of the vehicle, the identity information of the vehicle is marked as absent.
In an actual scene, due to various reasons, such as the influence of a large vehicle passing by a parking space, leaves of the parking space, restarting of the image acquisition device, and the like, the image acquisition device may not always keep tracking the target of the vehicle. When the vehicle tracking loss is detected and the identification of the identity information of the vehicle in the driving picture fails, the identity information of the vehicle can be marked according to the current parking space state of the parking space. If the current parking space state of the parking space is that a vehicle is available, the identity information of the vehicle can be marked as unknown; if the current parking space state of the parking space is no vehicle, the vehicle identity information can be marked as no. When the vehicle identity information is marked as unknown, the central platform can send prompt information to prompt people to check the vehicle identity information in a parking site, and then the vehicle identity information is reported to the central platform. In another mode, the central platform can also control intelligent equipment such as an intelligent robot and the like to recognize vehicle identity information on a parking site and then report the vehicle identity information to the central platform. The central platform can update the driving-in information of the vehicle according to the received vehicle identity information. If the vehicle identity information included in the vehicle entrance information is unknown when the parking fee of the vehicle for parking is calculated, it can be determined that part of the information of the vehicle entrance information is missing, it is determined that the vehicle entrance information is empty information, the parking time of the vehicle in the parking space can be determined according to the staying time of the vehicle, and the parking fee of the vehicle for parking is calculated based on the parking time.
In this embodiment, the manner in which the image acquisition device determines the vehicle identity information based on the stay picture and the exit picture may also refer to the manner in which the image acquisition device determines the vehicle identity information in the entry picture, which is not described herein again.
Corresponding to the embodiment of the method shown in fig. 1, an embodiment of the present invention provides a parking information acquisition apparatus, which is applied to a central platform in a parking information acquisition system, where the parking information acquisition system further includes an image acquisition device, and as shown in fig. 3, the apparatus includes:
the first obtaining module 301 is configured to obtain entry information of a vehicle, where the entry information includes vehicle identity information, parking space information of a parking space of the vehicle, entry time, and an entry picture taken by an image acquisition device when it is detected that the vehicle enters the parking space from a predetermined analysis area; the predetermined analysis area is adjacent to the parking space area;
a second obtaining module 302, configured to obtain parking information of the vehicle, where the parking information includes vehicle identity information, parking space information of a parking space of the vehicle, and at least one parking picture that the vehicle is parked in the parking space, and the parking picture is a picture that is periodically taken by an image acquisition device when the vehicle is detected to be parked in the parking space;
a third obtaining module 303, configured to obtain exit information of the vehicle, where the exit information includes vehicle identity information, parking space information of a parking space of the vehicle, exit time, and an exit picture taken by an image acquisition device when it is detected that the vehicle enters the predetermined analysis area from the parking space;
the first determining module 304 is configured to determine parking information of the vehicle according to the entrance information, the stop information, and the exit information of the vehicle.
In the embodiment of the invention, because the entering information representing that the vehicle enters the parking space, the stopping information representing that the vehicle stops at the parking space and the exiting information representing that the vehicle exits the parking space are obtained, the parking information of the vehicle in the processes of entering the parking space, stopping the parking space and exiting the parking space can be completely collected, namely the parking information of the vehicle can be completely collected.
Optionally, the parking information comprises a chain of parking evidence;
the first determining module 301 is specifically configured to associate an incoming picture, at least one parking picture and an outgoing picture of the same vehicle identity information, where the vehicle is parked in a parking space, to obtain a parking evidence chain where the vehicle is parked in the parking space.
Optionally, the apparatus further comprises:
a second determining module (not shown in fig. 3) configured to determine a parking duration of the vehicle in the parking space by using the entry time and the exit time;
a first processing module (not shown in fig. 3) for determining whether the parking duration exceeds a free parking duration; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
Optionally, the stop information of the vehicle further includes a stop time, and the apparatus further includes:
a third determining module (not shown in fig. 3) configured to determine a parking duration of the vehicle in the parking space according to a staying time of the vehicle when the entry information of the vehicle is empty information and/or the exit information of the vehicle is empty information;
a second processing module (not shown in fig. 3) for determining whether the parking duration exceeds a free parking duration; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
Corresponding to the embodiment of the method shown in fig. 1, an embodiment of the present invention provides a parking information collection system as shown in fig. 4, where the system includes: an image capture device 401 and a central platform 402; in the system, the system is provided with a plurality of sensors,
the image acquisition equipment 401 is used for shooting an entrance picture of a vehicle when the vehicle is detected to enter a parking space from a preset analysis area, and sending the entrance picture to the central platform 402; the predetermined analysis area is adjacent to the parking space area; when the vehicle is detected to be parked on the parking space, at least one parking picture of the vehicle parked on the parking space is shot regularly, and the at least one parking picture is sent to the central platform 402; when it is detected that the vehicle enters the predetermined analysis area from the parking space, an exit picture of the vehicle is taken, and the exit picture is sent to the central platform 402.
The central platform 402 is configured to acquire entry information of a vehicle, where the entry information includes vehicle identity information, parking space information of a parking space of the vehicle, entry time, and an entry picture taken by the image acquisition device 401 when it is detected that the vehicle enters the parking space from a predetermined analysis area; the predetermined analysis area is adjacent to the parking space area; the method comprises the steps of obtaining parking information of a vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture periodically shot by an image acquisition device 401 when the vehicle is detected to be parked on the parking space; acquiring the outgoing information of the vehicle, wherein the outgoing information comprises vehicle identity information, parking space information of a parking space of the vehicle, outgoing time and an outgoing picture shot by the image acquisition device 401 when detecting that the vehicle enters a preset analysis area from the parking space; and determining parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
In the embodiment of the invention, because the entering information representing that the vehicle enters the parking space, the stopping information representing that the vehicle stops at the parking space and the exiting information representing that the vehicle exits the parking space are obtained, the parking information of the vehicle in the processes of entering the parking space, stopping the parking space and exiting the parking space can be completely collected, namely the parking information of the vehicle can be completely collected.
Optionally, the parking information comprises a chain of parking evidence;
the central platform 402 determines parking information of the vehicle according to the entrance information, the stop information, and the exit information of the vehicle, specifically:
and associating the incoming picture, the at least one stopping picture and the outgoing picture of the same vehicle identity information when the vehicle is parked on the parking space to obtain a parking evidence chain when the vehicle is parked on the parking space.
Optionally, the central platform 402 is further configured to determine a parking duration of the vehicle in the parking space by using the entry time and the exit time; judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
Optionally, the parking information of the vehicle further includes a parking time, and the central platform 402 is further configured to determine a parking duration of the vehicle in the parking space according to the parking time of the vehicle when the entry information of the vehicle is empty information and/or the exit information of the vehicle is empty information; judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
The embodiment of the present invention further provides a central platform, as shown in fig. 5, which includes a processor 501, a communication interface 502, a memory 503 and a communication bus 504, wherein the processor 501, the communication interface 502 and the memory 503 complete mutual communication through the communication bus 504,
a memory 503 for storing a computer program;
the processor 501 is configured to implement the parking information collection method according to any of the above embodiments when executing the program stored in the memory 503, so as to obtain the same technical effect.
The communication bus mentioned in the above server may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the server and other devices.
The Memory may include a Random Access Memory (RAM) or a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
In another embodiment of the present invention, a computer-readable storage medium is further provided, where instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer is caused to execute the parking information collection method in any one of the above embodiments, so as to obtain the same technical effect.
In another embodiment of the present invention, there is also provided a computer program product containing instructions, which when run on a computer, causes the computer to execute the parking information collection method of any one of the above embodiments to obtain the same technical effect.
The computer instructions may be stored on or transmitted from one computer-readable storage medium to another computer-readable storage medium, e.g., from one website site, computer, server, or data center via wired (e.g., coaxial cable, optical fiber, digital subscriber line (DS L)) or wireless (e.g., infrared, wireless, microwave, etc.) means to another website site, computer, server, or data center, the computer-readable storage medium may be any available medium accessible by a computer or including one or more available media, such as a Solid State Disk, a magnetic storage medium (e.g., a floppy Disk, a Solid State Disk, a floppy Disk, a Solid State Disk, a magnetic storage medium (e.g., a Solid State Disk, a floppy Disk, a Solid State Disk, a magnetic storage medium, a hard Disk, a Solid State Disk, a magnetic storage medium, a magnetic Disk, a magnetic storage medium, a magnetic Disk, a magnetic storage medium, a magnetic Disk, or the like.
It is 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device/system/central platform/storage medium/computer program product embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A parking information collection method, characterized in that the method comprises:
acquiring the entry information of a vehicle, wherein the entry information comprises vehicle identity information, parking space information of a parking space of the vehicle, entry time and an entry picture shot by an image acquisition device when the vehicle is detected to enter the parking space from a preset analysis area; the predetermined analysis area is adjacent to the parking space area;
the method comprises the steps of obtaining parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture shot by image acquisition equipment periodically when the vehicle is detected to be parked on the parking space;
acquiring the outgoing information of the vehicle, wherein the outgoing information comprises vehicle identity information, parking space information of a parking space of the vehicle, outgoing time and an outgoing picture shot by an image acquisition device when the vehicle is detected to enter the preset analysis area from the parking space;
and determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
2. The method of claim 1, wherein the parking information comprises a chain of parking evidence;
the determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle comprises the following steps:
and associating the incoming picture, the at least one stopping picture and the outgoing picture of the same vehicle identity information when the vehicle is parked on the parking space to obtain a parking evidence chain when the vehicle is parked on the parking space.
3. The method of claim 1, further comprising:
determining the parking time of the vehicle in the parking space by using the entrance time and the exit time;
judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
4. The method of claim 1, wherein the stop information of the vehicle further comprises a stop time, the method further comprising:
when the entrance information of the vehicle is empty information and/or the exit information of the vehicle is empty information, determining the parking time of the vehicle in the parking space according to the staying time of the vehicle;
judging whether the parking duration exceeds free parking duration or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
5. A parking information collection apparatus, characterized in that the apparatus comprises:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring the driving-in information of a vehicle, and the driving-in information comprises vehicle identity information, parking space information of a parking space of the vehicle, driving-in time and a driving-in picture shot by an image acquisition device when the vehicle is detected to drive into the parking space from a preset analysis area; the predetermined analysis area is adjacent to the parking space area;
the second acquisition module is used for acquiring the parking information of the vehicle, wherein the parking information comprises vehicle identity information, parking space information of a parking space of the vehicle and at least one parking picture of the vehicle parked on the parking space, and the parking picture is a picture periodically shot by image acquisition equipment when the vehicle is detected to be parked on the parking space;
a third obtaining module, configured to obtain exit information of the vehicle, where the exit information includes vehicle identity information, parking space information of a parking space of the vehicle, exit time, and an exit picture taken by an image acquisition device when it is detected that the vehicle enters the predetermined analysis area from the parking space;
the first determining module is used for determining the parking information of the vehicle according to the entrance information, the stop information and the exit information of the vehicle.
6. The apparatus of claim 5, wherein the parking information comprises a chain of parking evidences;
the first determining module is specifically configured to associate an incoming picture, at least one parking picture and an outgoing picture of the same vehicle identity information, where the vehicle is parked in a parking space, to obtain a parking evidence chain where the vehicle is parked in the parking space.
7. The apparatus of claim 5, further comprising:
the second determining module is used for determining the parking time of the vehicle in the parking space by using the entrance time and the exit time;
the first processing module is used for judging whether the parking time length exceeds the free parking time length or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
8. The apparatus of claim 5, wherein the stop information of the vehicle further includes a stop time, the apparatus further comprising:
the third determining module is used for determining the parking time of the vehicle in the parking space according to the staying time of the vehicle when the entrance information of the vehicle is empty information and/or the exit information of the vehicle is empty information;
the second processing module is used for judging whether the parking time length exceeds the free parking time length or not; if yes, determining whether a parking payment record for the current parking of the vehicle exists; if the parking information exists, deleting the parking information of the vehicle after a preset time; if the parking fee does not exist, calculating the parking fee of the vehicle for parking at this time, and sending prompt information to prompt the vehicle owner to pay the parking fee; and deleting the parking information of the vehicle after a preset time after the vehicle owner is judged to pay the parking fee.
9. A central platform, comprising: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
the memory is used for storing a computer program;
the processor, when executing the program stored in the memory, implementing the method steps of any of claims 1-4.
10. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of claims 1-4.
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Application publication date: 20200807 |