Face posture correction method and face posture correction device

A correction method and face posture technology, applied in character and pattern recognition, instruments, calculations, etc., can solve problems such as low accuracy, low performance of face authentication/recognition, and large deviation of frontal face images, etc., to achieve Narrow the gap, avoid the ambiguity of key points, and improve the performance of face authentication/recognition

Inactive Publication Date: 2016-08-10
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] However, the inventors of the present invention have found that the frontal face image obtained by the existing face pose correction method has a large deviation from the actual frontal face image; especially when the collected face image has a large rotation angle , or when the pitch angle is large, the corrected frontal face image obtained by the existing method has a large deviation and low accuracy, resulting in low face authentication / recognition performance

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  • Face posture correction method and face posture correction device
  • Face posture correction method and face posture correction device
  • Face posture correction method and face posture correction device

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0035] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...

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Abstract

The invention discloses a face posture correction method and a face posture correction device. The method comprises the following steps: getting a 2D face image to be corrected; detecting the 2D key points of the 2D face image to be corrected, and determining the 3D key points, corresponding to the detected 2D key points, on a 3D face model; updating the 3D key points through iterative calculation according to the determined 3D key points; and determining a posture-corrected 2D face image according to the updated 3D key points. According to the technical scheme of the invention, the 3D key points of the 3D face model are adjusted gradually and the geometric parameters of the 3D face model are updated in the process of face posture adjustment, and the face posture is corrected according to the final updated geometric parameters of the 3D face model, so the gap between the corrected 2D face image and an actual face front image is narrowed, and the performance of face authentication/recognition is improved.

Description

technical field [0001] The present invention relates to the technical field of smart devices, in particular, the present invention relates to a method and device for correcting human face posture. Background technique [0002] With the continuous development of computer vision, face recognition, as an important identification technology, is widely used in many fields such as security, human-computer interaction, and finance. The purpose of face recognition is achieved by matching the collected face images with the frontal face images in the image database. However, under uncontrolled conditions, the pose variation of the collected faces is unavoidable. For example, the collected face image is not frontal, but at a certain angle, so it is difficult to use face recognition technology to identify the face image. [0003] In order to solve the problem of face posture changes, it is necessary to correct the posture of the collected face images. For the two-dimensional face imag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/32
Inventor 汪彪冯雪涛宫鲁津张红卫冯昊黃元俊徐成住韓在濬崔昌圭
Owner BEIJING SAMSUNG TELECOM R&D CENT
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