Calibration template extraction method and device, electronic equipment and storage medium

By identifying and determining the calibration center point and generating and saving calibration templates, the accuracy of calibration template extraction in fields such as autonomous driving is solved, and an efficient automatic calibration process is achieved.

CN119693446APending Publication Date: 2025-03-25GUANGZHOU XIAOPENG CONNECTIVITY TECH CO LTD
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Patent Information

Application Number
CN202411745773.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

In the fields of autonomous driving, augmented reality and robot navigation, how to accurately extract calibration templates from calibration images to be extracted has become an urgent problem.

Method used

By obtaining the calibration image to be extracted, identifying and determining the calibration center point, generating a target calibration template, and converting it into the target data format for saving. The method includes de-deformation correction, identifying the junction line and the junction point, determining the calibration center point, and generating and verifying the calibration template based on the center point.

Benefits of technology

The calibration template is accurately extracted and preserved, the calibration process is improved, the calibration process is automated, human intervention and errors are reduced, and the calibration template is safe and efficient utilization of memory resources is ensured.

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Abstract

The invention relates to the technical field of calibration, in particular to a calibration template extraction method and device, electronic equipment and a storage medium. Obtaining a to-be-extracted calibration image; the to-be-extracted calibration image is identified, and the calibration center point corresponding to the to-be-extracted calibration image is determined, so that a user does not need to manually determine the calibration center point corresponding to the to-be-extracted calibration image. Generating a target calibration template based on the calibration center point; and the accuracy of the generated target calibration template is ensured. And then, the target calibration template is converted into the target data format, and the target calibration template in the target data format is stored, so that the storage security of the target calibration template can be ensured, and leakage of the target calibration template is ensured. In addition, memory resources occupied by storing the target calibration template are reduced.
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