CN108765975B - Roadside vertical parking lot management system and method - Google Patents
Roadside vertical parking lot management system and method Download PDFInfo
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- CN108765975B CN108765975B CN201810641962.3A CN201810641962A CN108765975B CN 108765975 B CN108765975 B CN 108765975B CN 201810641962 A CN201810641962 A CN 201810641962A CN 108765975 B CN108765975 B CN 108765975B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
Abstract
The invention relates to a roadside vertical parking lot management system and a method, wherein the system comprises a camera set, a front-end board card and an identification server; the camera set is used for acquiring images of vehicles entering and leaving a field; the front end plate card is used for extracting a vehicle image of a preset identification area from images of vehicles entering and leaving the field and acquiring a license plate identification result according to the vehicle image of the preset identification area; the system comprises a recognition server and a front-end board card, wherein the recognition server is used for acquiring a vehicle recognition result according to a vehicle image of a preset recognition area, and the front-end board card is used for confirming vehicle entrance and exit event information according to the vehicle recognition result and a license plate recognition result.
Description
Technical Field
The invention relates to the field of intelligent parking, in particular to a roadside vertical parking lot management system.
Background
Urban roadside parking lots are an important component of each urban parking system. Because the roadside parking lots in the cities have the characteristics of flexibility, easiness in finding, public use, convenience, rapidness and the like, a large number of roadside parking lots in each road section of the cities are distributed in each city. However, roadside parking in cities is always a difficult problem in city management, roadside parking lots in cities are generally full-open parking spaces, vehicles are not restricted by a barrier gate and the like when entering and exiting, and the roadside parking lots are generally managed manually at present, so that the problems of nonstandard parking charging, low timing precision, charge omission, charge disorderly, insufficient evidence obtaining, difficult traceability, incapability of all-weather management and the like exist, disputes often occur in the charging process, conflict contradictions occur, and the development of our harmonious society is not facilitated.
In recent years, some cities try to manage parking based on video pile equipment. A short video pile device is deployed at each parking space to shoot and evidence vehicles, and the short video pile device has the following defects: the problems of small visual field range, easy shielding, serious light interference, large-area damage to the road surface, large construction amount, high cost, difficulty in coping with irregular parking and the like exist.
In the prior art, another scheme is an intelligent management system based on a high-level image recognition technology. The video monitoring camera comprises a panoramic camera and a snapshot camera, and is completely arranged on the roadside monitoring pole. The panoramic monitoring camera tracks the track of a target vehicle in a detection area to acquire the position coordinate and the range of the target vehicle in image information, extracts the position information of the target vehicle in the panoramic image and maps the position information to the corresponding snapshot camera to obtain the image information of the corresponding parking space camera, and sends the information of the vehicle entrance and exit events to the background through the network communication module, and the background server system performs unified management on the vehicle and the parking space according to the information; the defect is that the license plate and the entrance and exit field provided by the high-order image recognition system are subjected to unconfirmed errors due to the influence of a plurality of factors such as weather, light, intentionally sheltered license plate, pedestrians sheltered license plate, fake license plate and the like. Therefore, much inconvenience is brought to dispute evidence collection of the later parking events.
Aiming at the management problem of the road-side vertical parking lot in the city at present, it is necessary to design and develop an intelligent, efficient and accurate vertical parking lot identification system which can provide sufficient experience for users.
In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a roadside vertical parking lot management system, which has industrial application value.
Disclosure of Invention
In order to solve the problems that the error of the entrance and exit judgment existing in the entrance and exit events of the vehicle is large, the verification means is lacked, the judgment of high confidence level on the same entrance and exit event cannot be carried out and the like in the prior art, the invention provides a roadside vertical parking lot management system which comprises the following components:
the system comprises a camera set, a front-end board card and an identification server;
the camera set is used for acquiring panoramic images of vehicles entering and leaving a field;
the front panel card is used for extracting a vehicle image of a preset identification area from an image of a vehicle entering and exiting,
acquiring a license plate recognition result according to a vehicle image of a preset recognition area;
the identification server is used for acquiring a vehicle identification result according to a vehicle image of a preset identification area,
and the front-end board card is used for confirming the vehicle entrance and exit event information according to the vehicle identification result and the license plate identification result.
Furthermore, the front-end board card is also used for extracting the license plate information of the last vehicle leaving the vehicle in a preset identification area in a local database; and comparing the license plate information of the last vehicle leaving with the license plate information of the vehicle entering the field, and if the license plate identification results are inconsistent, confirming the vehicle entering event information.
Further, the identification server is further configured to extract parking information of a last parking space in a preset identification area in a local database, and if the parking space is changed from no vehicle to a vehicle, confirm vehicle entrance event information.
The front-end board card is further used for carrying out differential comparison on a plurality of continuous time sequence pictures in a preset identification area, if the differential comparison exceeds a threshold value, carrying out license plate feature point comparison and license plate fuzzy comparison on the time sequence pictures and the incoming vehicle pictures, and if the feature point comparison result exceeds the threshold value and the license plate position changes, confirming vehicle outgoing event information.
Further, if the difference does not exceed the threshold, the front-end board card is further used for carrying out license plate recognition on a plurality of continuous time sequence pictures in the preset recognition area, and if the license plate recognition result in the preset recognition area is inconsistent with the license plate recognition result of entering, the vehicle leaving event information is confirmed.
Further, the front-end board card is further configured to acquire a vehicle identification frame in a plurality of time sequence pictures before and after a certain time in a preset identification area, and if the vehicle identification frame is present or absent, the vehicle departure event information is confirmed.
The system further comprises a background server, wherein the background server is used for receiving the vehicle images of the preset identification area and the vehicle entrance and exit event information and confirming the vehicle entrance and exit event information for the second time according to the vehicle images of the preset identification area and the vehicle entrance and exit event information.
Further, the background server is used for charging the vehicle entrance and exit events and sending a payment instruction.
Further, the system also comprises a vehicle user side, wherein the vehicle user side is used for receiving the vehicle billing information and receiving the payment operation instruction of the vehicle user.
Further, the system further comprises a configuration server, and the configuration server is used for configuring the front panel card parameters and the berth attributes.
A roadside vertical parking lot management method, the method comprising,
acquiring a panoramic image of a vehicle entering and leaving a field;
extracting a vehicle image of a preset identification area from a panoramic image of a vehicle entering and leaving the field, and acquiring a license plate identification result and a vehicle identification result according to the vehicle image of the preset identification area;
and confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result.
Further, the step of confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result comprises the following steps:
when the vehicle entrance event is confirmed, extracting the last departure license plate information in a preset identification area in a local database; and comparing the license plate information of the last vehicle leaving with the license plate entering recognized at the time, and if the license plate recognition results are inconsistent, confirming the vehicle entering event information.
Further, when confirming the vehicle entrance event, the method also comprises the steps of extracting the parking information of the last parking position in a preset identification area in a local database, and confirming the vehicle entrance event information if the parking position is changed from no vehicle to a vehicle.
Further, the step of confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result comprises the following steps: and carrying out differential comparison on a plurality of continuous time sequence pictures in a preset identification area, if the difference exceeds a threshold value, carrying out license plate feature point comparison and license plate fuzzy comparison on the time sequence pictures and the pictures of the vehicles entering the field, and if the comparison result of the feature points exceeds the threshold value and the positions of the license plates are changed, confirming the information of the vehicle leaving the field.
Further, if the difference does not exceed the threshold, license plate recognition is carried out on a plurality of continuous time sequence pictures in the preset recognition area, and if the license plate recognition result in the preset recognition area is inconsistent with the license plate recognition result of entering, the information of the vehicle leaving event is confirmed.
Further, the step of confirming the vehicle entrance and exit event information according to the vehicle identification result and the license plate identification result comprises:
when the vehicle departure event is confirmed, vehicle identification frames in a plurality of time sequence pictures before and after a certain moment in a preset identification area are obtained, and if the vehicle identification frames exist or not, the vehicle departure event information is confirmed.
Further, the step of confirming the vehicle entrance and exit event information according to the vehicle identification result and the license plate identification result comprises:
and when the vehicle exit event is confirmed, confirming the vehicle exit and entrance event information for the second time according to the vehicle image of the preset identification area and the vehicle exit and entrance event information.
Further, the method is also used for charging the vehicle entrance and exit events and sending payment instructions.
Further, the method also comprises the steps of receiving vehicle charging information and receiving a payment operation instruction of a vehicle user.
By the scheme, the invention at least has the following advantages: the roadside vertical parking lot management system is convenient to install in the conventional roadside parking monitoring system, avoids dependence on other equipment, damage to infrastructure and the like, more importantly, can accurately acquire parking event information of an entrance and exit, effectively improves the automatic identification efficiency of the system on roadside vertical parking lot berthed vehicles, enables parking event judgment to be more accurate, has more sufficient evidence collection, is high in quality of charging evidence, is more scientific in evidence collection means, avoids disputes, and is more convenient for later hardware maintenance and software upgrading.
The roadside monitoring equipment is equipment which operates for a long time, and the maintenance of various hardware and software needs to be carried out in time, so that the usability of the performance of the whole system can be improved by the convenience of maintenance, and a large amount of maintenance equipment and labor cost can be reduced.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Drawings
FIG. 1 is a schematic diagram of the roadside vertical parking lot management system of the present invention;
FIG. 2 is a schematic structural diagram of a roadside vertical parking lot management system of the present invention;
FIG. 3 is a schematic diagram of a preset identification area of the roadside vertical parking lot management system of the present invention;
FIG. 4 is a schematic diagram of an application scenario of the roadside vertical parking lot management system of the present invention;
FIG. 5 is a schematic view of a vehicle identification block of the roadside vertical parking lot management system of the present invention;
fig. 6 is a flowchart of the roadside vertical parking lot management method of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows:
a roadside vertical parking lot management system as shown in fig. 1, comprising: the system comprises a camera set 201, a front-end board card 301 and an identification server 401, wherein the camera set 201, the front-end board card 301 and the identification server 401 are all arranged on a monitoring rod; the camera group 401 includes more than two cameras, and the camera group 201 is used for acquiring images of vehicles entering and leaving; as shown in fig. 4, the number of the cameras is 1 to N, the berths detected by each camera are two to three vertical berths adjacent to each other on the roadside, the configuration server divides the preset identification area of the image shot by the camera into two preset identification areas, and simultaneously issues the configuration to the front-end board 301, as shown in fig. 3, the preset identification area of the vehicle and the preset identification area of the license plate are shown;
wherein: the license plate is preset with an identification area which is used for detecting license plate information and proving that a vehicle is parked at a parking position in the area; the preset vehicle identification area is used for identifying whether a vehicle exists in the area, the position of the vehicle, the type of the vehicle, the track of the vehicle and the like through the cloud deep learning identification server 401;
the front-end board 301 is configured to receive an image acquired by the camera set 201, identify the image to obtain a vehicle image of a preset identification area, and acquire a vehicle entrance and exit time and a license plate identification result according to the vehicle image of the preset identification area, where the license plate identification result is a license plate number of a vehicle in the preset identification area;
the identification server 401 is configured to receive a vehicle image of a preset identification area, and obtain a vehicle identification result according to the vehicle image of the preset identification area, where the vehicle identification result includes whether a vehicle exists in the preset identification area, a parking position number of the vehicle, and track information of the vehicle;
the front-end board card 301 is further configured to receive the vehicle identification result and the license plate identification result, perform logical matching according to the vehicle entrance and exit time of each parking lot, the license plate identification result, and the vehicle identification result, and confirm entrance and exit event information of each vehicle; the entrance and exit event information comprises entrance and exit time of vehicles, time sequence pictures and video stream information of entrance and exit actions corresponding to the berths, berth numbers, license plate information, license plate close-up pictures and the like.
The front-end board 301 may preferably be a processing board, and the processing board may be installed in the camera.
Example two
As a preferred embodiment of the present invention, it is different from example 1 in that: the front-end board 301 is further configured to determine license plate occlusion in the image, and if the license plate is not occluded, identify a plurality of images of the same license plate and obtain the license plate number of the vehicle in the image; meanwhile, the license plate information of the last vehicle leaving the parking space in the preset identification area in the local database 501 is extracted; and comparing the license plate information of the vehicle leaving the station with the license plate number of the vehicle entering the station, if the license plate numbers are not consistent, confirming that the vehicle enters the station, and recording the license plate number and the entering time of the vehicle.
The information of the local database 501 includes vehicle entrance and exit event information for different time periods for each berth acquired from the backend server 601.
In order to further obtain accurate vehicle entry event information, the identification server 401 is further configured to extract last parking space information of each parking space in a preset identification area in the local database 501, and if the parking space is changed from no vehicle in the last state to a vehicle, the vehicle is confirmed to enter with high confidence, and the entry time of the vehicle is recorded.
If the front-end board 301 cannot recognize the license plate in the image, that is, the license plate may be blocked, the information is sent to the background server 601 for manual recognition according to the instruction of the background server 601.
In order to further acquire accurate vehicle departure event information, the front end board card 301 is further configured to perform difference comparison on a plurality of continuous time sequence pictures in a preset identification area, perform license plate feature point comparison and fuzzy matching on the pictures and the pictures of the vehicles entering the field if the difference exceeds a threshold, and if the result of the feature point comparison exceeds the threshold, change the position of the license plate and make the license plate numbers unable to be matched; confirming the departure of the vehicle with high confidence level, and recording the departure time of the vehicle;
and the rest vehicles are judged to be out of the field with low confidence.
If the difference does not exceed the threshold, the front-end board 301 is further configured to perform license plate recognition on a plurality of consecutive time series pictures in the preset recognition area, and if the license plate recognition result in the preset recognition area is inconsistent with the license plate recognition result of the parking lot that has entered the parking lot, the high-confidence-level confirmation vehicle leaves the parking lot, and the vehicle leaving time is recorded.
In order to further improve the accuracy of the vehicle departure judgment, the front-end board 301 is further configured to obtain a vehicle identification frame in a plurality of time series pictures before and after a certain time in a preset identification area, and if the vehicle identification frame is present or absent, the vehicle departure is confirmed with high confidence, and the departure time of the vehicle is recorded.
In the present embodiment, the vehicle identification frame is defined by the configuration server, as shown in the scene diagram shown in fig. 5, the vehicle identification frame in the image captured by the camera is divided into three types, each vehicle identification frame is matched with a corresponding parking space, the first vehicle identification frame is o 1, which is shown in the image captured by the camera 2011, and the parking space in the image is inclined to one side; the second type of vehicle recognition frame o 2 is presented in the image taken by the camera 2022, in which the vehicle recognition frame almost overlaps with the preset recognition area of the license plate in the parking space; the third vehicle recognition frame o 3 is presented in the image captured by the camera 2023 in which the berth is inclined to the other side.
Example three:
the roadside vertical parking lot management system shown in fig. 2 further includes a background server 601, where the background server 601 is configured to receive the vehicle image and the vehicle entrance and exit event information of the preset identification area obtained from the front-end board 301, process the vehicle image and the vehicle entrance and exit event information of the preset identification area, and confirm the vehicle entrance and exit event information for the second time by correcting, deleting the false alarm information and correcting the false entrance and exit time;
the background server 601 directly calculates the rate and charges for the entrance and exit event information with high reliability, issues reliable evidence-obtaining images (time sequence images and video streams) and sends a payment instruction to the vehicle user side; and confirming the information with low reliability to the system through background manual confirmation of image information, charging by the system, issuing reliable evidence-obtaining images (time sequence images and video streams) and sending payment instructions to the vehicle user side.
The system further comprises a vehicle user side 701, wherein the vehicle user side 701 is used for receiving vehicle charging information and receiving a fee payment operation instruction of a vehicle user to guide the user to carry out parking charging, and specifically, the vehicle user side can be an APP of the user and also can be an LED display screen of a parking lot accessory and the like.
Each device in the roadside vertical parking lot management system needs to be operated for a long time, and maintenance of various hardware and software needs to be carried out timely.
In the roadside parking process, illegal parking is avoided, such as parking of a vehicle outside a defined parking space, under the condition that the front-end board card divides an image shot by the camera into a vehicle image in a preset identification area and a vehicle image outside the preset identification area, wherein the vehicle image in the preset identification area is used for normally judging the entrance and exit of the vehicle; and for the vehicle image outside the preset identification area, vehicle identification judgment logic needs to be started, the continuous images are subjected to berth matching, if the detected parking space identification frame is not in the reasonable area, the vehicle is determined to be possibly illegal or abnormal, and corresponding data is uploaded.
The invention also discloses a roadside vertical parking lot management method, as shown in fig. 6, comprising the following steps:
s101: acquiring images of vehicles entering and leaving a field;
wherein: the images of the vehicles entering and exiting the parking lot comprise vehicle pictures, license plate pictures, video streams of the vehicles entering and exiting the parking lot, time sequence close-up pictures of the vehicles entering and exiting the parking lot, pictures after the vehicles are parked and the like, and the pictures are stored in a local database in real time.
S102: extracting a vehicle image of a preset identification area from a panoramic image of a vehicle entering and leaving the field, and acquiring a license plate identification result and a vehicle identification result according to the vehicle image of the preset identification area;
wherein: the method comprises the following steps that panoramic images of vehicles entering and leaving a field comprise vehicle images of preset identification areas and vehicle images of non-preset identification areas, the vehicle images of the non-preset identification areas, such as images of passing vehicles or non-motor vehicles, are filtered, and the vehicle images of the preset identification areas are reserved for vehicle identification and license plate identification;
receiving a vehicle image of a preset identification area, and acquiring a vehicle identification result according to the vehicle image of the preset identification area, wherein the vehicle identification result comprises whether a vehicle exists in the preset identification area or not and berth number information of the vehicle;
s103: confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result;
the vehicle identification result can also comprise a vehicle type and a vehicle motion track, assist in judging the entrance and exit events of the vehicle according to the vehicle type and the vehicle motion track,
in order to further accurately confirm the vehicle entrance event information, the method also comprises the steps of extracting the last departure license plate information of the parking lot in a preset identification area in a local database; and comparing the last departure license plate information with the next entry license plate, and if the license plate identification results are inconsistent, confirming the vehicle entry event information with high confidence.
In the judgment of the vehicle entrance and exit events, if the matching heights of the license plate recognition result of one vehicle and the vehicle recognition result information are consistent, the entrance and exit events of the vehicle can be more accurately confirmed.
In order to improve the judgment accuracy, the last parking space information in a preset identification area in a local database can be extracted, and if the parking space is changed from no vehicle to a vehicle, the vehicle entrance event information is confirmed with high confidence.
In order to confirm the information of the vehicle departure event, a plurality of continuous time sequence pictures in a preset identification area are subjected to differential comparison, if the differential comparison exceeds a threshold value,
and taking a plurality of (for example, 5) frames of images, comparing license plate feature points of each frame of image with the in-field vehicle pictures recorded in the region in the local database, if the feature point comparison exceeds a plurality of inconsistent pixel points (which can be set as 30 pixel points), judging license plate positions of the plurality of frames of (10) of images, carrying out fuzzy matching on the license plates, comparing the license plates with the vehicle in the in-field process, and if the license plate positions are changed and the license plate numbers cannot be matched, confirming the vehicle out-of-field event information with high confidence level.
And if the difference comparison does not exceed the threshold value for multiple times, carrying out license plate recognition on a plurality of continuous time sequence pictures in the preset recognition area, and if the license plate recognition result in the preset recognition area is inconsistent with the confirmed admission license plate recognition result, confirming the information of the vehicle leaving event.
In order to improve the accuracy of departure judgment, vehicle identification frames in a plurality of timing charts before and after a certain time in a preset identification area can be acquired, and if the vehicle identification frames exist or not, the vehicle departure event information is confirmed.
Specifically, the vehicle identification frame in the preset identification area in a plurality of continuous images before a certain time is confirmed, if the vehicle identification frame appears, the vehicle identification frame in the preset identification area in the plurality of continuous images after the certain time is confirmed, and if the vehicle identification frame disappears, the vehicle is confirmed to be out of the field with high confidence.
In the various embodiments, the high-confidence vehicle departure and entry events can be confirmed by various verification means, and the accuracy of roadside vertical parking management is improved.
If there are information with low confidence level and repeated vehicle entry and exit determination information in the confirmed vehicle entry and exit event information, further correction and corresponding error information deletion are required for such information, and re-confirmation of the recorded vehicle entry and exit event information is required; the specific confirmation method is as follows:
and carrying out secondary comparison on the received vehicle image of the preset identification area and the vehicle entrance and exit event information, directly charging the vehicle entrance and exit event with high confidence coefficient confirmed before, and issuing corresponding vehicle entrance and exit event information, wherein the information comprises an entrance and exit time sequence picture and a video stream containing the vehicle characteristics and is used for charging and obtaining evidence.
The purpose of obtaining the vehicle entrance and exit event information is to provide corresponding parking evidence for a client and to charge the vehicle according to the evidence, and the user can perform corresponding payment operation according to the payment instruction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (14)
1. The utility model provides a roadside vertical parking area management system which characterized in that: the system comprises a camera set, a front-end board card and an identification server;
the camera set is used for panoramic images of vehicles entering and leaving;
the front end board card is used for extracting a vehicle image of a preset identification area from a panoramic image of a vehicle entering and leaving, and acquiring a license plate identification result according to the vehicle image of the preset identification area;
the identification server is used for acquiring a vehicle identification result according to a vehicle image of a preset identification area,
the front-end board card is used for confirming the vehicle entrance and exit event information according to the vehicle identification result and the license plate identification result;
the front-end board card is also used for carrying out differential comparison on a plurality of continuous time sequence pictures in a preset identification area, if the differential comparison exceeds a threshold value, carrying out license plate characteristic point comparison and license plate fuzzy comparison on the time sequence pictures and the pictures of the vehicles entering the field, and if the comparison result of the characteristic points exceeds the threshold value and the positions of the license plates are changed, confirming the information of the vehicle leaving the field;
the front-end board card is further used for acquiring vehicle identification frames in a plurality of time sequence pictures before and after a certain moment in a preset identification area, and if the vehicle identification frames exist or not, vehicle departure event information is confirmed.
2. The roadside vertical parking lot management system according to claim 1, characterized in that:
the front-end board card is also used for extracting the license plate information of the last-time vehicle leaving the identification area in a preset identification area in a local database; and comparing the license plate information of the last vehicle leaving with the license plate information of the vehicle entering the field, and if the license plate identification results are inconsistent, confirming the vehicle entering event information.
3. The roadside vertical parking lot management system according to claim 2, characterized in that: the identification server is also used for extracting the parking information of the last parking position in a preset identification area in the local database, and if the parking position is changed from no vehicle to a vehicle, the information of the vehicle entrance event is confirmed.
4. The roadside vertical parking lot management system according to claim 1, characterized in that: the system further comprises a background server, wherein the background server is used for receiving the vehicle images of the preset identification area and the vehicle entrance and exit event information, and confirming the vehicle entrance and exit event information for the second time according to the vehicle images of the preset identification area and the vehicle entrance and exit event information.
5. The roadside vertical parking lot management system according to claim 4, characterized in that: and the background server is used for charging the vehicle entrance and exit events and sending a payment instruction.
6. The roadside vertical parking lot management system according to claim 5, characterized in that: the system further comprises a vehicle user side, wherein the vehicle user side is used for receiving the vehicle charging information and receiving the expense payment operation instruction of the vehicle user.
7. The roadside vertical parking lot management system according to any one of claims 4 to 6, characterized in that: the system also comprises a configuration server, and the configuration server is used for configuring the parameters of the front end board card and the berth attributes.
8. A roadside vertical parking lot management method is characterized in that: the method comprises the following steps of,
acquiring a panoramic image of a vehicle entering and leaving a field;
extracting a vehicle image of a preset identification area from a panoramic image of a vehicle entering and leaving the field, and acquiring a license plate identification result and a vehicle identification result according to the vehicle image of the preset identification area;
confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result;
the step of confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result comprises the following steps: carrying out differential comparison on a plurality of continuous time sequence pictures in a preset identification area, if the difference exceeds a threshold value, carrying out license plate feature point comparison and license plate fuzzy comparison on the time sequence pictures and the pictures of the vehicles entering the field, and if the comparison result of the feature points exceeds the threshold value and the positions of the license plates are changed, confirming the information of the vehicle leaving the field;
the step of confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result comprises the following steps:
when the vehicle departure event is confirmed, vehicle identification frames in a plurality of time sequence pictures before and after a certain moment in a preset identification area are obtained, and if the vehicle identification frames exist or not, the vehicle departure event information is confirmed.
9. The roadside vertical parking lot management method according to claim 8, wherein the step of confirming the vehicle entrance and exit event information according to the vehicle recognition result and the license plate recognition result comprises:
when the vehicle entrance event is confirmed, extracting the last departure license plate information in a preset identification area in a local database; and comparing the license plate information of the last vehicle leaving with the license plate entering recognized at the time, and if the license plate recognition results are inconsistent, confirming the vehicle entering event information.
10. The roadside vertical parking lot management method according to claim 9, characterized in that: when the vehicle entrance event is confirmed, the method further comprises the step of extracting parking information of the last parking position in a preset identification area in the local database, and if the parking position is changed from no vehicle to a vehicle, confirming the vehicle entrance event information.
11. The roadside vertical parking lot management method according to claim 10, characterized in that: and if the difference does not exceed the threshold value, carrying out license plate recognition on a plurality of continuous time sequence pictures in the preset recognition area, and if the license plate recognition result in the preset recognition area is inconsistent with the license plate recognition result of entering, confirming the information of the vehicle leaving event.
12. The roadside vertical parking lot management method according to any one of claims 9 to 11, characterized by: the step of confirming the information of the vehicle entrance and exit events according to the vehicle identification result and the license plate identification result comprises the following steps:
and when the vehicle exit event is confirmed, confirming the vehicle exit and entrance event information for the second time according to the vehicle image of the preset identification area and the vehicle exit and entrance event information.
13. The roadside vertical parking lot management method according to any one of claims 9 to 11, characterized in that: the method is also used for billing the vehicle entrance and exit events and sending payment instructions.
14. The roadside vertical parking lot management method according to claim 13, characterized in that: the method also includes receiving vehicle billing information and receiving a payment operation instruction of a vehicle user.
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| CN109993167A (en) * | 2019-04-03 | 2019-07-09 | 刘西 | A kind of safety inspection method of construction vehicle |
| CN113205690B (en) * | 2021-04-09 | 2022-09-20 | 超级视线科技有限公司 | Roadside parking departure event judgment method and system based on multiple dimensions |
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