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An identity authentication method and system combining face and lip language

An identity authentication and lip language technology, applied in the field of information security, can solve problems such as difficulty in lip language recognition

Active Publication Date: 2021-02-19
XI AN JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, lip language recognition is technically difficult to fully realize, and can only be used as an auxiliary means of other authentication technologies

Method used

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  • An identity authentication method and system combining face and lip language
  • An identity authentication method and system combining face and lip language
  • An identity authentication method and system combining face and lip language

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Embodiment Construction

[0071] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0072] The identity authentication method of the fusion of human face and lip language of the present invention specifically comprises the following steps:

[0073] 1. Face detection and feature extraction;

[0074] (1) The present invention carries out face detection based on the Adaboost algorithm, utilizes a large amount of general weak classifiers of classification ability to combine to form a strong classifier, and then several strong classifiers are cascaded into hierarchical classifiers to complete the image search detection functions such as figure 1 shown. Using the feedback of weak learning, the error rate of the hypothesis is adaptively adjusted, so that the accuracy rate can be improved under the premise of ensuring the detection efficiency.

[0075] If given N training data sets L={(x 1 ,y 1 ),(x 2 ,y 2 ),...,(x N ,y N )}, where x repres...

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Abstract

An identity authentication method and system integrating face and lip language, the authentication method comprising: 1) performing face detection based on Adaboost algorithm and performing facial feature extraction based on linear preserving projection transformation; 2) using facial feature positional relationship to perform lip 3) According to the Euclidean distance, the matching scores of the face and the lip language are obtained respectively, and the extreme speed learning machine is used to fuse in the matching layer, and the fusion score obtained by fusion is compared with the design. Set a threshold for comparison, and obtain the authentication result according to the comparison result. The system includes a face feature parameter collection module and a lip language feature parameter collection module. The face feature parameter collection module and the lip language feature parameter collection module simultaneously input the collected image information into the matching layer fusion module of the extremely fast learning machine for fusion. The authentication result of the invention is accurate and reliable, has strong robustness and wide application range.

Description

technical field [0001] The invention relates to the field of information security, in particular to an identity authentication method and system combining face and lip language. Background technique [0002] In recent years, with the rapid development of network information technology, the functions of smart phones have become more efficient and convenient, and virtual payment platforms such as mobile e-commerce and online banking have also emerged. However, at the same time, cyber crimes such as network viruses, hackers and telecom fraud It threatens the information security of mobile phone users at all times, and may even cause major economic losses. Therefore, there is an urgent need for a highly reliable identity authentication system, and the integration of biometric identification and smart phone platforms has emerged as the times require. [0003] At present, a variety of biometric authentication systems have been applied on smart phones, but with the development of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
CPCG06V40/172G06V40/20G06V10/40G06F18/241G06F18/253G06F18/214
Inventor 张新曼何婷婷申沅均戴怡轩路龙宾许学斌
Owner XI AN JIAOTONG UNIV
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