Multi-mode biometric authentication method and multi-mode biometric authentication system

A biometric and identity authentication technology, applied in the field of identity authentication, can solve problems such as low feasibility and complicated operation, and achieve the effect of reducing recognition error rate and improving reliability

Active Publication Date: 2015-02-18
NEWCAPEC ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is complicated to operate, and the feasibility is not high

Method used

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  • Multi-mode biometric authentication method and multi-mode biometric authentication system

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Embodiment 1

[0029] Embodiment 1: A kind of multimodal biometric identity authentication method based on the dynamic feature of pronunciation lip shape provided by the present invention, such as figure 1 Shown, comprise: step 101, obtain face image; Step 102, obtain speech information; Step 103, call the face recognition command to recognize the face image that obtains, obtain face recognition result; Step 104, call speech recognition command Recognize the acquired voice information to obtain the voice recognition result; step 105, call the lip shape and voice synchronization detection command to synchronously detect the lip shape and voice features, and obtain the lip shape and voice synchronization index result; step 106, according to the acquired human Face recognition results, voice recognition results, and lip shape and voice synchronization index results determine whether the identity authentication is passed.

[0030] When acquiring the face image and the user's voice information, t...

Embodiment 2

[0033] Embodiment 2: In order to improve the efficiency of identity authentication, another embodiment of the present invention provides a face and voice fusion recognition identity authentication method, including the following steps: Step 201, obtain a face image; Step 202, call the human The face recognition command recognizes the acquired face image, and obtains the face recognition result and its similarity; step 203, the face recognition result judgment: when the face recognition similarity is greater than the preset face recognition threshold, the face recognition The authentication is successful; when the face recognition similarity is less than or equal to the preset face recognition threshold, the face recognition authentication fails; step 204, obtain the voice information; step 205, call the voice recognition command to identify the acquired voice information, and obtain Speech recognition result and its similarity; step 206, speech recognition result determination:...

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Abstract

The invention relates to a multi-mode biometric authentication method and a multi-mode biometric authentication system. The system comprises an image acquisition module, a voice acquisition module, a main processing module and a storage module, wherein the main processing module further comprises a control unit electrically connected with the image acquisition module and the voice acquisition module, as well as a face recognition unit, a voice recognition and a lip shape and voice synchronous detection unit which are electrically connected with the control unit; the storage module is respectively connected with the face recognition unit and the voice recognition unit; the control unit is used for sending biological characteristic images or voice information received by the image acquisition module and the voice acquisition module to the face recognition unit, the voice recognition unit or the lip shape and voice synchronous detection unit according to the current recognition process of an identity authentication device so as to perform recognition, so that a recognition result is obtained. The method and the system have the advantage that by virtue of integrating three biological characteristics of face, lip shape and voice and performing pronunciation characteristic and lip shape characteristic synchronous detection, the system recognition error ratio is reduced.

Description

technical field [0001] The invention relates to an identity authentication method, in particular to a multi-modal biometric identity authentication method and system based on dynamic lip shape characteristics of pronunciation. Background technique [0002] With the wide application of biometric identification technology, in some application areas that require high identity authentication [0003] Domains, such as security, financial institutions, etc., put forward the need for multi-biometric identity authentication. [0004] The methods commonly used in the existing multi-biometrics identification technologies include the combination of facial features and fingerprints, the combination of iris and facial features, and the combination of fingerprints and signatures. Existing multi-modal biometric identification technologies often require completely different biometric acquisition devices, such as face recognition and fingerprint recognition dual authentication systems, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32G06K9/00
CPCG06F21/32G06V40/16G06V40/20
Inventor 邵彦超张振京姬豪杰华梦阳吕培许威威徐明亮
Owner NEWCAPEC ELECTRONICS CO LTD
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