Vehicle parking status determination methods, devices and computer programs

By combining local and panoramic cameras and using a transformation matrix to transmit vehicle location and license plate information across cameras, the problem of numerous camera poles and blind spots in existing technologies is solved, achieving low-cost and efficient vehicle parking status monitoring.

CN115601416BActive Publication Date: 2026-05-26BEIJING ELITE LUTONG TECH CO LTD
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Patent Information

Application Number
CN202211188228.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2022-09-23
Filing Date
2022-09-28
Publication Date
2026-05-26
Estimated Expiration
2042-09-28

AI Technical Summary

Technical Problem

Existing technologies struggle to accurately monitor a vehicle's parking status after it enters a local camera blind spot while reducing the number of camera poles required, especially for vehicles within the blind spot of PTZ or bullet cameras.

Method used

By combining local and panoramic cameras, a transformation matrix is ​​used to transmit vehicle location and license plate information across cameras. The panoramic camera is used to monitor the blind spots of the local camera's field of view, reducing the number of poles to lower costs while ensuring the accuracy of vehicle information.

Benefits of technology

This technology enables accurate monitoring of vehicles' parking status after they enter the blind spots of local cameras, while reducing the number of camera poles required, thus improving the accuracy of vehicle information acquisition and monitoring efficiency.

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Abstract

This disclosure provides a method, apparatus, and computer program product for determining vehicle parking status, relating to the fields of parking supervision and image recognition technology, and applicable to smart parking and smart transportation scenarios. The method includes: determining the target location and license plate information of a target vehicle appearing within the field of view of a local camera; determining the estimated position of the target vehicle within the field of view of a panoramic camera based on the target location and a preset transformation matrix, where the transformation matrix represents the transformation relationship between the position coordinates of the same location within the field of view of the local camera and the field of view of the panoramic camera; identifying the vehicle appearing at the estimated position within the field of view of the panoramic camera as the target vehicle and transmitting the license plate information to the panoramic camera; and determining the vehicle's parking status after the target vehicle enters the blind spot of the local camera's field of view using the panoramic camera. Applying this method can compensate for the lack of monitoring information within the blind spot of the local camera's field of view.
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Citation Information

Patent Citations

  • Roadside parking management method and device

    CN111882883A

  • Self position estimation device, self position estimation method, program, and image processing device

    WO2018066435A1