CN109743673B - High-precision indoor positioning technology-based traffic accident tracing system and method for parking lot - Google Patents
High-precision indoor positioning technology-based traffic accident tracing system and method for parking lot Download PDFInfo
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- G08B21/18—Status alarms
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
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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
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- G—PHYSICS
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- G08G1/00—Traffic control systems for road vehicles
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- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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Abstract
The invention discloses a parking lot traffic accident tracing system and method based on a high-precision indoor positioning technology, which aims at the management problem of malicious escape of traffic accidents in an unattended parking lot and provides a system for realizing accurate tracing of malicious escape traffic accidents in the unattended parking lot based on a UWB high-precision indoor positioning technology, meanwhile, the intelligent parking management system is indexed by accurate position points, high-definition pictures and video information on site are grabbed by means of a remote control high-definition camera, the hit-and-accident historical track and the accident site are restored by combining time dimension irreversibility, on-site evidence information collection is automatically completed, an evidence chain is closed, the life and property safety of parking users is guaranteed to the maximum extent, management efficiency is greatly improved by full-automatic management and control, the burden of traditional manual simulation restoration analysis after the accident is reduced is relieved, and more humanized and intelligent services are provided for car owners and management parties.
Description
Technical Field
The invention relates to a traffic accident tracing technology, in particular to a parking lot traffic accident tracing system and method based on a high-precision indoor positioning technology.
Background
Along with the rapid development of economy, the trip condition of people is continuously improved, private cars become the second living space of a vehicle family, but along with the blowout type growth of various motor vehicles, especially private cars, the construction of urban parking lots is not synchronously followed, and the problems of difficult parking, difficult parking and the like become a difficult problem to be solved urgently for urban planning construction. The full-automatic unattended parking lot is produced by the person just in order to meet the requirement, and the basic functions comprise: the operation efficiency of the parking lot is greatly improved by technologies such as paperless online parking fee payment and unmanned gates, but various problems also occur in the operation process of the unattended parking lot, particularly in a large underground parking lot, empty parking spaces are difficult to find in rush hours and holidays, and the problem that the vehicle is difficult to find after parking is finished, particularly malicious traffic accidents in the parking lot escape is always a difficult problem which troubles the management party of the unattended parking lot. The unattended parking lot is generally monitored and managed by the following management means.
(1) Background networking of gateway and exit of the parking lot gateway, installation of a high-definition camera for recognizing license plates, and carrying out rod lifting for entering or releasing;
(2) high-definition cameras are installed on the main road and the intersections to monitor the orderly parking of vehicles and prevent behaviors such as malicious road occupation and the like;
(3) parking guidance and reverse car finding in a parking lot are realized by adopting a low-power-consumption Bluetooth positioning technology, so that the traveling efficiency of a user is improved;
(4) the parking space is provided with sensors such as geomagnetism, shading and infrared sensors, so that whether the parking space is occupied or not is sensed, and a guiding and indicating function is provided for a user to be parked by means of red and green signal lamps above the parking space;
(5) modes such as posting WeChat public numbers and two-dimensional codes on main channels such as entrances and exits and elevator entrances in the parking lot are used for users to pay parking fees online in advance.
The technology has no effect on traffic accidents and malicious escape behaviors in the parking lot. Although the image under partial scene can be shot by the monitoring of the main road, the full coverage in the parking lot can not be realized due to the high cost of installation and construction, and the accidents of monitoring dead angles and blind areas can not be identified and confirmed; the low-power-consumption Bluetooth is realized by means of a high-density deployed Bluetooth iBeacon base station and by means of the Bluetooth function of a user mobile phone, the forward parking guidance and the reverse car finding can be basically realized, but the historical track of the traffic accident cannot be traced and restored due to the defect of 3-5 m positioning accuracy, and the Bluetooth iBeacon base station is taken as a corroboration for management law enforcement treatment.
Disclosure of Invention
The invention aims to provide a parking lot traffic accident traceability system and method based on a high-precision indoor positioning technology.
The technical scheme for realizing the purpose of the invention is as follows: a high-precision indoor positioning technology-based traffic accident traceability system for a parking lot comprises an indoor positioning system, a video monitoring system and a cloud service background;
firstly, setting a virtual electronic fence for all occupied parking places in a parking lot by an indoor positioning system according to positioning information; when a vehicle enters a parking lot at the entrance of a gateway, distributing a positioning tag, recording the driving track of the vehicle in real time through the positioning tag on the vehicle entering the parking lot, and when the driving track point invades into the range of a virtual electronic fence of other vehicles already in the parking lot, driving and locking the corresponding positioning tag and associating license plate number information through an abnormal event by a cloud service background; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information; the cloud service platform is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of entering and exiting the parking lot with the license plate information based on the positioning labels, packaging to finish evidence information collection, backing up and storing in a local server and a cloud server, and automatically sending to a parking lot manager and a traffic police law enforcement department according to system setting.
A parking lot traffic accident tracing method based on a high-precision indoor positioning technology comprises the following steps:
the indoor positioning system sets virtual electronic fences for all occupied parking places in the parking lot according to the positioning information;
when a vehicle enters a parking lot at the entrance of a gateway, an unattended device distributes a positioning tag, the vehicle enters a garage, a cloud service background automatically assigns a nearby empty parking space, and the driving track of the vehicle is recorded in real time through the positioning tag on the vehicle entering the garage;
when a running vehicle runs or parks, and a running track point invades into the range of a virtual electronic fence of other vehicles already in a parking space, the cloud service background drives and locks a corresponding positioning label and associates license plate number information through an abnormal event; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information;
the cloud service background is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of the entering and exiting parking lot with the license plate information based on the positioning labels, the license plate information, packaging to complete evidence information acquisition, and performing backup storage in a local server and a cloud server; and finally, automatically sending the information to a parking lot manager and a corresponding traffic police law enforcement department according to system setting.
Compared with the prior art, the invention has the following remarkable advantages: (1) the invention can complete the functions of a plurality of traditional systems only by deploying one set of positioning system, thus greatly reducing the cost; (2) the system is quickly integrated with the existing video monitoring and gateway management of the parking lot, so that the cost is reduced, the deployment implementation period is shortened, the cost is reduced, and the system is low-carbon and environment-friendly; (3) the tracking and tracing method is fully automatic, has no dead angle, is fully automatically controlled in the process, does not need manual participation, covers management blind areas and avoids the defects of manual management.
Drawings
Fig. 1 is a schematic block diagram of a parking lot traffic accident traceability system.
Fig. 2 is a flowchart illustrating an exemplary implementation of the incident source tracing system.
Detailed Description
As shown in fig. 1, a high-precision indoor positioning technology-based traffic accident traceability system for a parking lot comprises an indoor positioning system, a video monitoring system and a cloud service background;
firstly, setting a virtual electronic fence for all occupied parking places in a parking lot by an indoor positioning system according to positioning information, wherein the virtual electronic fence takes a single parking place as a standard range; when a vehicle enters a parking lot at the entrance of a gateway, distributing a positioning tag, recording the driving track of the vehicle in real time through the positioning tag on the vehicle entering the parking lot, and when the driving track point invades into the range of a virtual electronic fence of other vehicles already in the parking lot, driving and locking the corresponding positioning tag and associating license plate number information through an abnormal event by a cloud service background; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information; the cloud service platform is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of entering and exiting the parking lot with the license plate information based on the positioning labels, packaging to finish evidence information collection, backing up and storing in a local server and a cloud server, and automatically sending to a parking lot manager and a traffic police law enforcement department according to system setting.
Furthermore, the indoor positioning system comprises a positioning label, a positioning base station, a data communication relay and a corresponding position analysis server; the positioning tag is used for measuring the distance of a base station nearby the positioning tag in real time; the positioning base station is used for measuring the distance between the tag and a nearby positioning base station in real time in cooperation with the positioning tag, acquiring ranging information of the positioning tag through a wireless channel and transmitting the ranging information to the position analysis server through a data communication relay; and the position analysis server is used for providing the real-time position point coordinates of the corresponding label according to the real-time ranging information between the positioning label and the base station and the pre-calibrated indoor coordinate system.
Further, the positioning precision of the indoor positioning system is 10 cm.
Furthermore, acceleration and angular velocity sensors are embedded in the indoor positioning system, and when the acceleration or angular velocity change value of the target vehicle exceeds a set threshold value, a state abnormity prompt is sent to the cloud service background.
Further, the cloud service background informs the traffic accident event, the place, the reference processing result, the processing time limit and the consultation telephone of corresponding management and law enforcement departments to the owners of the hit vehicle and the collided vehicle in the form of APP message, short message or automatic voice telephone.
Further, the cloud service background comprises a data storage subsystem, a control instruction subsystem, a data processing subsystem and a data forwarding subsystem, wherein the data storage subsystem is used for storing historical tracks of all vehicles, traffic accident position point information and corresponding vehicle information; the control instruction subsystem is used for issuing a corresponding control instruction to the video monitoring system according to the current vehicle running state; the data processing subsystem is used for classifying and storing parking history track data, access time points and vehicle abnormal state data in all parking lots from time dimension and space dimension according to set rules; the data forwarding subsystem is used for sending the evidence information to a parking lot manager and a corresponding traffic police law enforcement department, and informing the driver of the hit vehicle and the driver of the collided vehicle in the form of APP message, short message or automatic voice telephone by referring to the traffic accident event, the place, the reference processing result, the processing timeliness and the consultation telephone of the corresponding management and law enforcement department.
Further, the video monitoring system comprises a camera, a data communication relay and a video processing system background; the video processing system background is used for being matched with an indoor positioning system, receiving a control instruction from the cloud service background, calling a nearby camera through a traffic accident position point to acquire field image information, and storing the field image information, the traffic accident position point and the tag ID information to a local cloud end and a cloud end in a correlation mode.
Furthermore, the video monitoring system also comprises a mechanical rotating holder used for driving the high-definition camera to align to the accident position.
As shown in fig. 2, the present invention further provides a parking lot traffic accident tracing method based on the tracing system, which includes the following steps:
the indoor positioning system sets virtual electronic fences for all occupied parking places in the parking lot according to the positioning information;
when a vehicle enters a parking lot at the entrance of a gateway, an unattended device distributes a positioning tag, the vehicle enters a garage, a cloud service background automatically assigns a nearby empty parking space, and the driving track of the vehicle is recorded in real time through the positioning tag on the vehicle entering the garage;
when a running vehicle runs or parks, and a running track point invades into the range of a virtual electronic fence of other vehicles already in a parking space, the cloud service background drives and locks a corresponding positioning label and associates license plate number information through an abnormal event; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information;
the cloud service background is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of the entering and exiting parking lot with the license plate information based on the positioning labels, the license plate information, packaging to complete evidence information acquisition, and performing backup storage in a local server and a cloud server; and finally, automatically sending the information to a parking lot manager and a corresponding traffic police law enforcement department according to system setting. The whole process is automatically completed without manual participation, the possibility of subjective errors and cheating caused by traditional manual participation is avoided, the disclosure and the justice objectivity of evidence are ensured, and powerful data support is provided for management and law enforcement.
The high-precision indoor positioning system is arranged in the unattended parking lot, so that a set of complete solution is provided, the whole process of the whole solution is realized in an intelligent and automatic mode, and the system is not limited by time and space, and the problem of malicious traffic escape accidents in the parking lot is mainly solved on the basis of meeting the functions of daily parking guidance, reverse vehicle finding, peak shunting and the like.
The present invention will be described in detail with reference to examples.
Examples
As shown in fig. 1, a high-precision indoor positioning technology-based parking lot traffic accident traceability system comprises a high-precision indoor positioning system, a video monitoring system and a cloud service background;
the high-precision positioning system mainly comprises a positioning label, a positioning base station, a data communication relay and a corresponding position analysis server; the video monitoring system mainly comprises a local high-definition camera, a data communication relay and a video processing system background; the cloud service background is used for associating the positioning system and the video monitoring system by using the position points, issuing a snapshot image instruction remotely, receiving related evidence data uploaded by the video system and the positioning system, further arranging the evidence data into an evidence chain format agreed by the system and sending the evidence chain format to a manager and a law enforcement department; the positioning system locks the sudden abnormal state of the vehicle through embedding an MEMS state sensor in the positioning label, associates with the license plate number information reporting system and completes track recording and historical track recovery work of the vehicle running in the parking lot. The position point is the coordinate of the position point where the target is located in the underground parking lot, and particularly refers to the accurate position point of the accident caused by the hit-and-miss vehicle. The vehicle sudden abnormal state refers to the abnormal speed and state of the vehicle causing the accident, namely the vehicle speed is changed sharply after the vehicle is collided, which is deduced from the abnormal change of the position points, for example: after collision, the vehicle is stopped and accelerated suddenly, so that the abnormal state that the vehicle invades the virtual electronic fence of the parked vehicle position of other vehicles can be caused. By integrating the acceleration and angular velocity MEMS sensors in the vehicle-mounted positioning tag, when the acceleration and angular velocity of the target vehicle change rapidly and exceed the threshold set by the system, the state is determined to be abnormal.
The method comprises the following steps that a positioning system firstly sets a virtual electronic fence according to accurate positioning information for all occupied parking places in a parking lot, the virtual electronic fence takes a single parking place as a standard range, a high-precision indoor positioning system sets the virtual electronic fence according to the range of the defined parking places in advance, the positioning information comes from an indoor positioning system calibrated in advance, each point in the parking lot has a corresponding coordinate point, and the parking place is formed by a group of closed coordinate points; when a vehicle enters an empty parking space, activating the electronic fence, otherwise, canceling; judging whether the vehicle enters the current empty parking space or not through a positioning label distributed on the vehicle; when a vehicle enters a parking lot at the entrance of the gateway, the unattended device distributes a positioning tag, enters the garage, automatically assigns nearby empty parking spaces by the cloud service background, and guides the vehicle to the corresponding empty parking spaces according to an indoor navigation map on the mobile phone APP; next, recording the running track of the vehicle in real time through a high-precision indoor positioning tag on the approaching vehicle, and when the running track point invades into the virtual electronic fence range of the parking space of other vehicles in the running process or the parking process of the running vehicle, immediately locking the corresponding positioning tag and associating the license plate number information through abnormal event driving by the background system; the driving track points, namely the position points of the target vehicle are determined in real time by the aid of the positioning tags distributed by the vehicle, the track points are judged to invade the virtual electronic fence, the vehicle is regarded as a whole, the specification size of the vehicle is set by the cloud service background according to the vehicle type, then the position of the vehicle close to the vehicle head 1/3 is used as the positioning point, and the corresponding outside coordinate position point is estimated according to the vehicle specification, so that the vehicle enters the virtual electronic fence within a certain range with the point as the center to judge invasion. The cloud background management background triggers active alarm, calls a video monitoring subsystem to automatically call nearby high-definition cameras based on position points, and remotely and automatically controls and captures picture and video information; then, the cloud service background is used for associating historical tracks in a parking lot of the hit-and-run vehicle and high-definition image information and time information of the entering and exiting parking lot based on the positioning labels and the license plate number information, packaging to complete evidence information acquisition, and performing backup storage in a local server and a cloud server; and finally, automatically sending the information to a parking lot manager and a corresponding traffic police law enforcement department according to system setting.
The cloud service background comprises a data storage subsystem, a control instruction subsystem, a data processing subsystem and a data forwarding subsystem, wherein the data storage subsystem is used for storing historical tracks and special position point information of all vehicles and corresponding vehicle information; the control command subsystem is mainly used for controlling the vehicle to run according to the current vehicle running state, such as: the method comprises the following steps that collision abnormity and the like in an in-and-out parking lot and a parking lot are carried out, and corresponding control instructions are issued to a parking local system according to a pre-designed instruction system; the data processing subsystem is mainly used for classifying and storing parking history track data, access time points and abnormal vehicle state data in all parking lots from time dimension and space dimension according to set rules so as to inquire and index at a later period; the data forwarding subsystem is used for sending the evidence information to a parking lot manager and a corresponding traffic police law enforcement department, and informing the driver of the hit vehicle and the driver of the collided vehicle in the form of APP message, short message or automatic voice telephone by referring to the traffic accident event, the place, the reference processing result, the processing timeliness and the consultation telephone of the corresponding management and law enforcement department.
The positioning tag of the high-precision indoor positioning system is used for measuring the distance of a base station nearby the positioning tag in real time so as to further position in real time; the positioning base station is used for measuring the distance between the tag and a nearby positioning base station in real time in cooperation with the positioning tag, is responsible for acquiring ranging information of the positioning tag through a wireless channel and further transmitting the ranging information to the position analysis server through a local network, and is also responsible for forwarding parameters such as tag firmware upgrading, positioning frequency setting and the like sent by the upper computer system to the corresponding tag; the data communication relay is used for sending the real-time ranging information uploaded by the base station to the position analysis server and realizing parameters such as label firmware upgrading and positioning frequency setting issued by the position analysis server; and the position analysis server is used for providing real-time position point coordinates of the corresponding label according to the real-time ranging information between the label and the base station and further according to a pre-calibrated indoor coordinate system so as to realize real-time positioning.
The video processing system background of the video monitoring system is used for being matched with a high-precision indoor positioning system, receiving a control command from the cloud service background, calling nearby cameras through specific position points to obtain field image information, and storing the field image information, the position points and the tag ID information in a local and cloud end in an associated mode so as to facilitate later-period traceability and responsibility-pursuing quick query indexing. The video monitoring system further comprises a mechanical rotating holder used for driving the high-definition camera to align to the accident position.
The invention provides a method for collecting image information of corresponding accident vehicles through indoor historical track restoration, parking space virtual electronic fence and video security system based on position point association by deploying a high-precision indoor positioning system in the existing unattended parking lot and aiming at the accident vehicle escape phenomenon of dead monitoring and blind area in a large underground parking lot by means of the original video monitoring and gateway control system, restoring the hit-and-accident site according to the historical track and time, completing evidence information collection and evidence chain closure of the whole accident, automatically reporting to the parking lot management department and the superior law enforcement department, accident information is sent to mobile phones of car owners of hit and collided vehicles in forms of APP messages, short messages, voice calls and the like, so that pre-processing of traffic hits in underground parking lots is automatically completed, life and property safety of vast people is reduced to the maximum extent, and management and traveling efficiency of unattended parking lots are improved; the defects of traditional dependence on subjective speculation of manual monitoring and management, illegality for favorites and the like are overcome, and objective fairness of evidence information and fairness of laws are guaranteed. Form a intangible deterrent to the lucky car owners who have bad driving behaviors and maliciously hit-and-run, advocate the civilized and orderly intelligent parking environment.
Claims (9)
1. A high-precision indoor positioning technology-based parking lot traffic accident traceability system is characterized by comprising an indoor positioning system, a video monitoring system and a cloud service background;
the indoor positioning system comprises a positioning label, a positioning base station, a data communication relay and a corresponding position analysis server; the positioning tag is used for measuring the distance of a base station nearby the positioning tag in real time; the positioning base station is used for measuring the distance between the tag and a nearby positioning base station in real time in cooperation with the positioning tag, acquiring ranging information of the positioning tag through a wireless channel and transmitting the ranging information to the position analysis server through a data communication relay; the position analysis server is used for giving real-time position point coordinates of the corresponding label according to a pre-calibrated indoor coordinate system according to the real-time ranging information between the positioning label and the base station;
firstly, setting a virtual electronic fence for all occupied parking places in a parking lot by an indoor positioning system according to positioning information; when a vehicle enters a parking lot at the entrance of a gateway, distributing a positioning tag, recording the driving track of the vehicle in real time through the positioning tag on the vehicle entering the parking lot, and when the driving track point invades into the range of a virtual electronic fence of other vehicles already in the parking lot, driving and locking the corresponding positioning tag and associating license plate number information through an abnormal event by a cloud service background; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information; the cloud service platform is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of entering and exiting the parking lot with the license plate information based on the positioning labels, packaging to finish evidence information collection, backing up and storing in a local server and a cloud server, and automatically sending to a parking lot manager and a traffic police law enforcement department according to system setting.
2. The system of claim 1, wherein the virtual electronic fence is based on a single parking space as a standard range.
3. The high-precision indoor positioning technology-based parking lot traffic accident traceability system is characterized in that the positioning precision of the indoor positioning system is 10 cm.
4. The high-precision indoor positioning technology-based parking lot traffic accident traceability system is characterized in that an acceleration sensor and an angular velocity sensor are embedded in the indoor positioning system, and when the acceleration or angular velocity change value of a target vehicle exceeds a set threshold value, a state abnormity prompt is sent to a cloud service background.
5. The high-precision indoor positioning technology-based parking lot traffic accident traceability system of claim 1, wherein the cloud service background notifies the hit vehicle and the collided vehicle owner of the traffic accident event, the location, the reference processing result, the processing timeliness and the consultation telephone of the corresponding management and law enforcement department in the form of APP message, short message or automatic voice telephone.
6. The high-precision indoor positioning technology-based parking lot traffic accident traceability system is characterized in that the cloud service background comprises a data storage subsystem, a control instruction subsystem, a data processing subsystem and a data forwarding subsystem, wherein the data storage subsystem is used for storing historical tracks of all vehicles, traffic accident position point information and corresponding vehicle information; the control instruction subsystem is used for issuing a corresponding control instruction to the video monitoring system according to the current vehicle running state; the data processing subsystem is used for classifying and storing parking history track data, access time points and vehicle abnormal state data in all parking lots from time dimension and space dimension according to set rules; the data forwarding subsystem is used for sending the evidence information to a parking lot manager and a corresponding traffic police law enforcement department, and informing the driver of the hit vehicle and the driver of the collided vehicle in the form of APP message, short message or automatic voice telephone by referring to the traffic accident event, the place, the reference processing result, the processing timeliness and the consultation telephone of the corresponding management and law enforcement department.
7. The high-precision indoor positioning technology-based parking lot traffic accident traceability system is characterized in that the video monitoring system comprises a camera, a data communication relay and a video processing system background; the video processing system background is used for being matched with an indoor positioning system, receiving a control instruction from the cloud service background, calling a nearby camera through a traffic accident position point to acquire field image information, and storing the field image information, the traffic accident position point and the tag ID information to a local cloud end and a cloud end in a correlation mode.
8. The high-precision indoor positioning technology-based parking lot traffic accident traceability system of claim 7, wherein the video monitoring system further comprises a mechanical rotating pan-tilt for driving a high-definition camera to align with an accident position.
9. A parking lot traffic accident tracing method based on the system of any one of claims 1 to 8, characterized by comprising the following steps:
the indoor positioning system sets virtual electronic fences for all occupied parking places in the parking lot according to the positioning information;
when a vehicle enters a parking lot at the entrance of a gateway, an unattended device distributes a positioning tag, the vehicle enters a garage, a cloud service background automatically assigns a nearby empty parking space, and the driving track of the vehicle is recorded in real time through the positioning tag on the vehicle entering the garage;
when a running vehicle runs or parks, and a running track point invades into the range of a virtual electronic fence of other vehicles already in a parking space, the cloud service background drives and locks a corresponding positioning label and associates license plate number information through an abnormal event; triggering active alarm by a cloud service background, calling a nearby camera by a video monitoring system based on a position point, and remotely and automatically capturing picture and video information;
the cloud service background is used for associating historical tracks in a parking lot of a hit-and-run vehicle, image information and time information of the entering and exiting parking lot with the license plate information based on the positioning labels, the license plate information, packaging to complete evidence information acquisition, and performing backup storage in a local server and a cloud server; and finally, automatically sending the information to a parking lot manager and a corresponding traffic police law enforcement department according to system setting.
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| CN201811544575.4A CN109743673B (en) | 2018-12-17 | 2018-12-17 | High-precision indoor positioning technology-based traffic accident tracing system and method for parking lot |
| PCT/CN2019/087892 WO2020124950A1 (en) | 2018-12-17 | 2019-05-22 | Parking lot traffic accident tracing system and method based on high precision indoor positioning technology |
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| CN201811544575.4A CN109743673B (en) | 2018-12-17 | 2018-12-17 | High-precision indoor positioning technology-based traffic accident tracing system and method for parking lot |
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| CN109743673B (en) * | 2018-12-17 | 2020-11-13 | 江苏云巅电子科技有限公司 | High-precision indoor positioning technology-based traffic accident tracing system and method for parking lot |
| CN111063215B (en) * | 2019-12-26 | 2020-11-27 | 珠海格力电器股份有限公司 | Parking space safety supervision method and device, storage medium and electronic equipment |
| CN112498337B (en) * | 2020-11-13 | 2023-01-17 | 浙江吉利控股集团有限公司 | Vehicle safety management method, device, system and storage medium |
| CN112672274A (en) * | 2020-11-27 | 2021-04-16 | 淮浙煤电有限责任公司凤台发电分公司 | Joint method based on video and UWB positioning |
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| CN115472014B (en) * | 2022-09-16 | 2023-10-10 | 苏州映赛智能科技有限公司 | Traffic tracing method, system, server and computer storage medium |
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