Roadside parking charging method based on automatic positioning of parking space by video inspection equipment

Abstract

The application mainly relates to a roadside parking charging method based on a video inspection device automatic positioning parking space system, which is applied to determining the number of a current parking space at a position of a video inspection device; the roadside parking charging method comprises the following steps: obtaining position information of the video inspection device and the number of a parking space corresponding to the video inspection device based on a video inspection device automatic positioning parking space method; acquiring license plate information of a vehicle in the parking space corresponding to the video inspection device; and generating charging information based on the number of the corresponding parking space, the license plate information and collected time when the vehicle enters and leaves the parking space. The parking space where the video inspection device is located can be quickly and accurately positioned without the aid of other auxiliary positioning devices, the system cost is reduced, communication between devices is reduced, and the positioning result is more stable.

Description

[0001] This application is a divisional application of Chinese invention patent application filed on October 25, 2023, with application number 202311385555.8 and invention title "Automatic Positioning Method and System for Video Inspection Equipment". Technical Field

[0002] This invention relates primarily to the field of automatic parking technology for inspection equipment, and particularly to a roadside parking fee collection method based on an automatic parking space positioning system using video inspection equipment. Background Technology

[0003] GPS positioning technology is a positioning technology based on the Global Positioning System (GPS), which can locate, measure, and navigate the position of objects or people. Its principle is to use a GPS receiver to receive signals from satellites, process and correct for signal errors, calculate the position information of the object or person, and transmit this information to a mobile terminal or other device via wireless communication technology. The accuracy of GPS positioning technology depends on various factors, such as the number of satellites, signal transmission errors, and multipath effects. Generally, GPS positioning technology can achieve a positioning accuracy of several meters to tens of meters, meeting most application needs. However, in video inspection equipment inspection processes, centimeter-level accuracy is required, and the positional relationship between the video inspection equipment and the berth must be accurately matched.

[0004] The video inspection equipment is equipped with an RFID reader, and the parking spaces are equipped with RFID electronic tags. The method includes the following steps: when the video inspection equipment enters the sensing range of the RFID electronic tags, multiple RFID signals are acquired at intervals through the RFID reader; based on the identified multiple RFID signals, the real-time location information of the inspection vehicle is calculated; the deviation information is calculated using the real-time location information and the pre-collected coordinate information of the RFID electronic tags; when the deviation information is greater than a preset threshold, the real-time location information of the video inspection equipment is corrected using the deviation information.

[0005] 1. Existing technology requires other hardware devices to complete the berth positioning of video inspection equipment;

[0006] 2. Existing technology has the problem of misjudging different lanes on the road where the video inspection equipment is located.

[0007] 3. Existing technologies are easily obstructed, leading to incorrect results and data errors.

[0008] The foregoing background information is intended to help those skilled in the art understand prior art that is similar to the present invention, and to facilitate the understanding of the inventive concept and technical solution of this application. It should be clearly stated that, in the absence of clear evidence that the above content was disclosed before the filing date of this patent application, the foregoing background information should not be used to evaluate the novelty of the technical solution of this application. Summary of the Invention

[0009] To address at least one of the technical problems mentioned in the background section, the present invention aims to provide a berth positioning method and system for video inspection equipment. This method and system can quickly and accurately locate the berth where the video inspection equipment is located without the need for other auxiliary positioning equipment, thereby reducing system costs, minimizing communication between devices, and providing more stable positioning results.

[0010] A method for automatically locating berths using video inspection equipment is provided, characterized in that:

[0011] The method is applied to determine the current berth number of the video inspection equipment.

[0012] The method includes:

[0013] Acquire berth positioning data, which is used to determine the positional relationship with the video inspection equipment;

[0014] Based on the berth location data, the latitude and longitude information of the video inspection equipment, and the driving direction, the current berth number of the video inspection equipment is determined.

[0015] An automatic berth positioning system for video inspection equipment is provided, comprising:

[0016] The berth coordinate acquisition unit acquires berth positioning data based on the berth coordinate acquisition device and transmits the berth positioning data to the berth retrieval and positioning unit.

[0017] The berth retrieval and positioning unit, based on the global satellite navigation system, obtains the latitude and longitude information and driving direction of the video inspection equipment through real-time centimeter-level positioning services, and reports the data to the backend. The backend integrates the data and determines the berth number of the berth where the video inspection equipment is located based on the berth positioning data and the latitude and longitude information and driving direction of the video inspection equipment.

[0018] A method for charging for roadside parking is provided, including:

[0019] Based on the aforementioned automatic berth location method for video inspection equipment, the location information of the video inspection equipment and the number of the berth corresponding to the video inspection equipment are obtained;

[0020] Obtain the license plate information of vehicles in the parking spaces corresponding to the video inspection equipment;

[0021] Based on the corresponding berth number, the license plate information, and the collected times of vehicle entry and exit from the berth, charging information is generated.

[0022] A smart terminal is provided, comprising: a memory, a processor, and a program stored in the memory and executable on the processor, wherein the program, when executed by the processor, implements the steps of the aforementioned method.

[0023] The beneficial effects of this application are as follows:

[0024] By using the pre-set positioning points at the berth and the real-time positioning information uploaded by the video inspection equipment, the algorithm accurately calculates the relative position between the video inspection equipment and the berth, achieving high-precision positioning of the relative position between the video inspection equipment and the berth. This eliminates the need for other auxiliary positioning equipment, reduces system costs, minimizes communication between devices, and results in more stable positioning results.

[0025] The precise positioning of parking spaces by video inspection equipment has significantly improved the accuracy of on-street parking fee order information, reduced car owner complaints, further increased the credibility of parking operation companies' fees, and reduced the investment and construction costs of operation companies. Attached Figure Description

[0026] To make the above and / or other objects, features, advantages and examples of the present invention more apparent and understandable, the accompanying drawings used in the specific embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 A flowchart illustrating the automatic berth positioning method of video inspection equipment;

[0028] Figure 2 A schematic diagram of the parking space input tool representing the parking space coordinate acquisition unit;

[0029] Figure 3 This diagram illustrates the setting of the berth endpoint using the berth coordinate acquisition unit.

[0030] Figure 4 This indicates that a berth diagram has been added using the berth coordinate acquisition unit.

[0031] Figure 5 A schematic diagram showing the relative positions of the starting and ending points of the berth and the coordinates of the video inspection equipment;

[0032] Figure 6 A schematic diagram showing the relative positions of the circumscribed rectangle of the berth and the coordinate points of the video inspection equipment;

[0033] Figure 7 This diagram illustrates how the relative position of coordinate points is determined by projecting the coordinate points of the video inspection equipment onto the line connecting the start and end points of the berth. Detailed Implementation

[0034] Those skilled in the art can refer to the content of this document and appropriately replace and / or modify the process parameters to achieve the desired results. However, it should be particularly noted that all similar replacements and / or modifications are obvious to those skilled in the art and are considered to be included in this invention. The products and preparation methods described in this invention have been described through preferred examples, and those skilled in the art can obviously modify or appropriately change and combine the products and preparation methods described herein without departing from the content, spirit, and scope of this invention to realize and apply the technology of this invention.

[0035] Unless otherwise defined, the technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this invention pertains. This invention uses the methods and materials described herein; however, other suitable methods and materials known in the art may also be used. The materials, methods, and examples described herein are illustrative only and are not intended to be limiting. All publications, patent applications, patent cases, provisional applications, database entries, and other references mentioned herein are incorporated herein by reference in their entirety. In case of conflict, the definitions included in this specification shall prevail.

[0036] Unless otherwise specified, the materials, methods, and examples described herein are exemplary and not limiting. While similar or equivalent methods and materials can be used to implement or test the invention, suitable methods and materials are described herein.

[0037] The present invention will now be described in detail.

[0038] Figure 1 A flowchart illustrating the automatic berth positioning method of video inspection equipment is shown, such as... Figure 1 As shown, the method includes the following processing:

[0039] Step S100: Obtain berth positioning data, wherein the berth positioning data is used to determine the positional relationship with the video inspection equipment;

[0040] Step S200: Based on the berth positioning data, the latitude and longitude information of the video inspection equipment, and the driving direction, determine the number of the current berth where the video inspection equipment is located.

[0041] The berth positioning data includes the latitude and longitude data of the berth starting point, the latitude and longitude data of the berth ending point, and the current berth number.

[0042] like Figures 2-4As shown, the steps for obtaining berth positioning data in step S100 include: the on-site personnel holding a berth coordinate acquisition device at the starting point of the berth, logging into the parking space entry tool, clicking "Set as berth starting point" on the screen, and collecting the latitude and longitude data of the starting point; then moving to the end point of the berth, clicking "Set as berth end point" on the screen, collecting the latitude and longitude data of the end point, then confirming the berth information, and clicking "Add berth" after confirmation, thus completing the acquisition of one berth data; the acquired berth data is transmitted to the backend via communication protocols such as HTTPS and / or HTTP protocols and saved to the database.

[0043] The parking space coordinate acquisition device includes: a GPS device, an operating system device, and a parking space input tool. The parking space input tool is integrated into the operating system device, which can be any one of an Android system device, an Apple system device, or a HarmonyOS system device. The GPS device is self-powered and transmits the acquired latitude and longitude data to the operating system device in real time via a serial port. The data transmission format is NMEA-0183. The operating system device installs the parking space input tool software, which parses the received latitude and longitude data according to the NMEA-0183 format as the data source for parking space acquisition.

[0044] In step S200, the berth number of the current location of the video inspection equipment is determined based on the berth positioning data, the latitude and longitude information of the video inspection equipment, and the driving direction. This includes: obtaining the latitude and longitude information and driving direction of the video inspection equipment based on the global satellite navigation system and real-time centimeter-level positioning service, reporting the data to the backend, and the backend integrating the data and determining the berth number of the video inspection equipment based on the berth positioning data, the latitude and longitude information of the video inspection equipment, and the driving direction. According to the berth positioning algorithm of the video inspection equipment, the distance from the reported coordinate point to the starting point of the berth is calculated. If the distance is less than 6m, it is output. The distance calculation formula is explained as follows:

[0045] We approximate the Earth as a sphere, and consider the triangle formed by the lines connecting two points to the center of the Earth as a spherical triangle. Then, we apply the principles of trigonometry to calculate the distance, and derive the formula for calculating the distance between two points on a sphere using the Law of Cosines:

[0046] (1)

[0047] in, and These represent the latitude and longitude of the berth's starting point, respectively. and These represent the latitude and longitude of the berth's endpoint, respectively. Represents the sine function; Represents the cosine function; Represents the inverse cosine function; The parameter represents the Earth's radius, with a range of 6350–6380 km, preferably 6378.137 km. This represents the final calculated distance between the two points, in kilometers. It is important to note that the distance should first be calculated as follows: , , and The latitude and longitude degrees are converted to radians: ,in Indicates latitude and longitude in degrees. It represents pi (π).

[0048] Using the distance calculation formula described above, the database is retrieved and a list of parking spaces within 6 meters of the reported coordinate points and parking space starting points is output. Since the width of parking spaces is 2-3 meters, a maximum of 3 parking spaces will be found. The relative positions of the coordinate points and parking spaces are then determined using the distance calculation formula. The explanation for determining the relative positions of the coordinate points and parking spaces is as follows.

[0049] like Figure 5 As shown, point a is the starting point of the berth data collection, point b is the ending point of the berth data collection, and point c is any point (latitude and longitude) reported by the video inspection equipment during its operation, denoted as the current coordinate point of the video inspection equipment. .

[0050] Location information of video inspection equipment is obtained based on real-time centimeter-level positioning service. The latitude and longitude of a point can be calculated using the distance calculation formula mentioned above. Distance between three points: , , ,in, Indicates the starting point of the berth for data collection. To the end of the collection berth The distance; Indicates the starting point of the berth for data collection. To the current coordinates of the video inspection equipment The distance; Indicates the end point of the berth for data collection. To the current coordinates of the video inspection equipment The distance.

[0051] Then according to Heron's formula (2-1), where (2-2) can be obtained Given the area S of the triangle, calculate the perpendicular distance from point c to ab based on the area of ​​the triangle. (2-3), that is, the height of Δabc ,like , If none of them are greater than the length of the rectangle's diagonal, then... Point located at point, Within berth 102 between points; otherwise Point located at point, A detailed diagram is shown below for the berths between the points. Figure 6 As shown. Formulas (2-1), (2-2), and (2-3) together form formula (2).

[0052] if The point is not within the area of ​​berth 102, calculate and Who is bigger, if This means Point located at Side berth 103; if ,but Point located at Inside side berth 101.

[0053] Next, let's assume Point is high The foot of the perpendicular from side ab, as shown Figure 7 As shown, the Pythagorean theorem can be used to directly calculate... and With the length of the line drawn, the position of point c becomes clear, as shown below: The point is located in the area in front of berth 102. Point distance The length is , Dot at The upper projection is , distance Point length , distance Point length .

[0054] In real-world scenarios, determining the relative positions of the video inspection equipment and the parking space provides accurate foundational data for subsequent business platforms. For example, if license plate number xxxxxx is parked in parking space 102, the business platform processes the data accordingly. One approach to roadside parking fee collection involves obtaining the location information of the video inspection equipment and the parking space number 102 based on the aforementioned automatic parking space location system; acquiring the license plate information xxxxxx of the vehicle in the parking space; and generating fee information based on the parking space number 102, the license plate information xxxxxx, and the collected times of vehicle entry and exit from the parking space.

[0055] An automatic berth positioning system for video inspection equipment is also provided, including a berth coordinate acquisition unit for data collection and a berth retrieval and positioning unit for positioning. The berth coordinate acquisition unit collects berth positioning data based on the berth coordinate acquisition device and transmits the berth positioning data to the berth retrieval and positioning unit. Based on the Global Navigation Satellite System, the berth retrieval and positioning unit obtains the latitude and longitude information and driving direction of the video inspection equipment according to real-time centimeter-level positioning services, reports the data to the backend, and the backend integrates the data and determines the berth number of the berth where the video inspection equipment is located based on the berth positioning data and the latitude and longitude information and driving direction of the video inspection equipment.

[0056] A method for charging for roadside parking is provided, including:

[0057] The location information of the video inspection equipment and the number of the berth corresponding to the video inspection equipment are obtained based on the aforementioned automatic berth positioning method of video inspection equipment.

[0058] Obtain the license plate information of vehicles in the parking spaces corresponding to the video inspection equipment;

[0059] Based on the corresponding berth number, the license plate information, and the collected times of vehicle entry and exit from the berth, charging information is generated.

[0060] A further intelligent terminal is provided, comprising: a memory, a processor, and a program stored in the memory and executable on the processor. When the program is executed by the processor, it implements the steps of the aforementioned automatic berth positioning method for video inspection equipment and achieves the same technical effect. To avoid repetition, it will not be described in detail here.

[0061] Memory includes both permanent and non-permanent, removable and non-removable media, and can be used to store information by any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer memory include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0062] The conventional techniques described in the above embodiments are existing technologies known to those skilled in the art, and therefore will not be described in detail here.

[0063] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

[0064] Although the present invention has been described in detail and specific embodiments have been cited, it will be apparent to those skilled in the art that various changes or modifications can be made without departing from the spirit and scope of the invention.

[0065] While the foregoing detailed descriptions have shown, described, and pointed out novel features applicable to various embodiments, it should be understood that various omissions, substitutions, and changes may be made to the form and details of the described apparatus or methods without departing from the spirit of this disclosure. Furthermore, the various features and methods described above may be used independently of each other or may be combined in various ways. All possible combinations and sub-combinations are intended to fall within the scope of this disclosure. Many of the foregoing embodiments include similar components, and therefore, these similar components are interchangeable in different embodiments. Although the invention has been disclosed in the context of certain embodiments and examples, those skilled in the art will understand that the invention extends beyond the specifically disclosed embodiments to other alternative embodiments and / or applications, as well as their obvious modifications and equivalents. Therefore, the invention is not intended to be limited to the specific disclosure of the preferred embodiments herein.

[0066] All matters not covered in this invention are common knowledge.

Claims

1. A method for automatically locating berths using video inspection equipment, characterized in that: include: Acquire berth positioning data, which is used to determine the positional relationship with the video inspection equipment. The berth positioning data includes the latitude and longitude data of the berth starting point, the latitude and longitude data of the berth ending point, and the current berth number. Based on berth location data and the latitude, longitude, and driving direction of the video inspection equipment, the current berth number of the video inspection equipment is determined. This includes: obtaining the latitude, longitude, and driving direction of the video inspection equipment using real-time centimeter-level positioning services based on the Global Navigation Satellite System, reporting the data to the backend, and the backend integrating the data and determining the berth number of the video inspection equipment based on the berth location data and the latitude, longitude, and driving direction of the video inspection equipment. 1) Based on the reported coordinates, calculate the distance from the starting point to the ending point of the berth according to the distance calculation formula in formula (1). If the distance is less than 6m, output: (1) in, and These represent the latitude and longitude of the berth's starting point, respectively. and These represent the latitude and longitude of the berth's endpoint, respectively. Represents the sine function; Represents the cosine function; Represents the inverse cosine function; Represents the Earth's radius parameter; 2) Using the distance calculation formula in step 1), retrieve from the database, filter the reported video inspection equipment coordinates and the list of berths within 6m of the berth starting point, and output them. Then, calculate the relative position of the video inspection equipment coordinates and the berths according to formula (2): (2) in, Indicates the starting point of the berth for data collection. To the end of the collection berth The distance; Indicates the starting point of the berth for data collection. To the current coordinates of the video inspection equipment The distance; Indicates the end point of the berth for data collection. To the current coordinates of the video inspection equipment The distance; express The area; express Half of its perimeter; Indicates the current coordinates of the video inspection equipment. to The vertical distance; 3) Constructing One side is the route of the video inspection equipment, and the other side is the travel route of the video inspection equipment. The perpendicular line to the travel route of the video inspection equipment is one side. The perpendicular line to the travel path of the video inspection equipment is the opposite side of the rectangle. Calculate the length of the diagonal of the rectangle, based on... , Relationship with the length of the rectangle's diagonal and , Determine the size relationship The berth number corresponding to the point: If , If none of them are greater than the length of the rectangle's diagonal, then... Point located at point, Within the berths between points; conversely, within the berths between points. Point located at point, Outside the berths between points.

2. The automatic berth positioning method for video inspection equipment according to claim 1, characterized in that: The acquisition of berth positioning data includes: On-site personnel use handheld berth coordinate acquisition devices at the starting point of the berth, log into the parking space entry tool, click "Set as berth starting point" on the screen, and collect the latitude and longitude data of the starting point. Then they move to the end point of the berth, click "Set as berth end point" on the screen, collect the latitude and longitude data of the end point, confirm the berth information, and click "Add berth" after confirmation. The data for one berth is then collected. The collected berth data is transmitted to the backend via a communication protocol and saved to the database.

3. The automatic berth positioning method for video inspection equipment according to claim 1, characterized in that: The parking space coordinate acquisition device includes: a GPS device, an operating system device, and a parking space input tool. The parking space input tool is integrated into the operating system device, which includes any one of Android, Apple, or HarmonyOS systems.

4. The automatic berth positioning method for video inspection equipment according to claim 1, characterized in that: In step 3), if , If none of them are greater than the length of the rectangle's diagonal, then... Point located at point, Within the berths between points; conversely, within the berths between points. Point located at point, Outside the berths between points.

5. The automatic berth positioning method for video inspection equipment according to claim 1, characterized in that: In step 3), Point located at point, When outside the berths between points, if ,but Point located at Within the side berth; if ,but Point located at Inside the side berth.

6. An automatic berth positioning system for video inspection equipment, characterized in that... include: The berth coordinate acquisition unit acquires berth positioning data based on the berth coordinate acquisition device and transmits the berth positioning data to the berth retrieval and positioning unit. The berth retrieval and positioning unit, based on the global satellite navigation system, obtains the latitude and longitude information and driving direction of the video inspection equipment according to the real-time centimeter-level positioning service, and reports the data to the background. The background integrates the data and determines the berth number of the berth where the video inspection equipment is located based on the berth positioning data and the latitude and longitude information and driving direction of the video inspection equipment. The system executes the method according to any one of claims 1-5 when it is running.

7. The automatic berth positioning system for video inspection equipment according to claim 6, characterized in that: The video inspection equipment is equipped with an RFID reader, and the berth is equipped with an RFID electronic tag. When the video inspection equipment enters the sensing range of the RFID electronic tag, multiple RFID signals are acquired at intervals through the RFID reader. Based on the identified multiple RFID signals, the real-time location information of the inspection vehicle is calculated. The deviation information is calculated using the real-time location information and the pre-collected coordinate information of the RFID electronic tag. When the deviation information is greater than a preset threshold, the real-time location information of the video inspection equipment is corrected using the deviation information.

8. A method for charging for roadside parking, characterized in that... include: The automatic berth location method for video inspection equipment according to any one of claims 1 to 5 obtains the location information of the video inspection equipment and the number of the berth corresponding to the video inspection equipment. Obtain the license plate information of vehicles in the parking spaces corresponding to the video inspection equipment; Based on the corresponding berth number, the license plate information, and the collected times of vehicle entry and exit from the berth, charging information is generated.

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