Image processing method in a motor vehicle

The method addresses issues of distortion and variability in panoramic camera images by using a sequence-based 3D face model generation and rotation, enhancing authentication and identification accuracy and security in vehicle systems.

FR3166735A1Pending Publication Date: 2026-03-27CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
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Patent Information

Application Number
FR2024010113
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing image processing methods using panoramic cameras in vehicles face issues such as distortion, occlusion, varying lighting conditions, and insufficient robustness to face variability, leading to authentication or identification failures and increased vulnerability to identity theft.

Method used

A method involving image sequence processing, region of interest detection, rectification, 3D face model generation, and rotation to enhance facial recognition accuracy and security, using an electronic control unit to handle panoramic camera images.

Benefits of technology

Improves authentication and identification accuracy by mitigating distortion effects and enhancing security against identity theft, while improving system performance.

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Abstract

The invention relates to a method for authenticating or identifying a person using a camera (10), comprising the steps of generating a sequence of images by the camera (10), and for each image of said image sequence, of detecting (E1) at least one person in said image, of defining (E2) in the image at least one area called "region of interest" for each detected person or group of detected persons, and for each identified region of interest, of rectifying (E3) the region of interest, of detecting (E4) the face of at least one person in the rectified region of interest, of generating (E5) a 3D model representing each detected face, and of rotating (E6) each generated 3D model so that said face is visible from the front in the acquisition plane of the camera, an authentication or identification (E7) of the at least one person from the at least one face having undergone the rotation. Figure for the abbreviation: Figure 1
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