Identity authentication method based on face and authentication apparatus thereof

An identity authentication and face technology, applied in the field of identity authentication of face images, can solve the problems of slow system recognition speed and inability to meet application requirements, and achieve the effect of easy image acquisition, rich data, and improved authentication performance.

Active Publication Date: 2012-03-14
GUANGDONG VIMICRO
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Problems solved by technology

[0005] The purpose of the present invention is to provide a face-based identity authentication method and authentication device, which can distinguish photos and real people by using 2-dimensional plane images, and so

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  • Identity authentication method based on face and authentication apparatus thereof
  • Identity authentication method based on face and authentication apparatus thereof
  • Identity authentication method based on face and authentication apparatus thereof

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Embodiment Construction

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the specific embodiments will be described in detail below in conjunction with the accompanying drawings.

[0042] figure 1 Is a flow chart of the steps of the method provided by the embodiment of the present invention, such as figure 1 As shown, the method of using plane images for face authentication includes:

[0043] Step 101: Perform face detection on each frame of images collected by the camera device to obtain a face image, and track the face image to obtain a tracking result. If the tracking result is that a face is tracked, the face and the upper The corresponding faces in one frame of image belong to the same person;

[0044] Step 102: Perform posture analysis on the face image to obtain posture information. If the posture of the face in the posture information has not jumped from the corresponding face posture in the previous frame of image, the result of...

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Abstract

The invention provides an identity authentication method based on a face and an authentication apparatus thereof. The method comprises the following steps: carrying out face detection on each frame of image acquired by a camera device to obtain a face image, and tracking the face image to obtain a tracking result; carrying out an attitude analysis, wherein if a face attitude in obtained attitude information is not jumped relative to a face attitude corresponding to a prior frame of image, an attitude analysis result is not jumped; carrying out face comparison; carrying out statistics analysis on a plurality of frames of tracking results, a plurality of frames of attitude analysis results and a plurality of frames of face image authentication results, wherein if a statistics analysis result is in accordance with a preset condition, identity authentication is passed. According to the method and the apparatus thereof in the invention, a two-dimensional flat picture is utilized to distinguish a photograph from a human, in the prior art utilizing three-dimensional information and carrying out photograph identification cause that a system identification speed is substantially decreased and an application requirement can not satisfied, and the above technical problem is solved in the invention.

Description

Technical field [0001] The present invention relates to an identity authentication technology of a face image, in particular to an identity authentication method and an authentication device based on a face. Background technique [0002] With the development of face recognition technology, applications related to face recognition have gradually increased. As an application system of face recognition technology, the face authentication system has achieved more and more applications in automatic access control and face login. [0003] The face authentication system uses the camera to collect the face image of the person to be authenticated, and compares it with the face image of the corresponding identity in the information database. If the comparison is passed, the person to be authenticated is considered to have the face image of the corresponding identity in the database. With the same identity, the authentication is passed, otherwise, the authentication fails. In order to pass t...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/62
Inventor 王俊艳黄英
Owner GUANGDONG VIMICRO
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