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Cellphone sensing based online signature identity authentication method and system

An identity authentication, mobile phone technology, applied in the direction of digital data authentication, computer parts, data processing input/output process, etc., can solve security problems and complex authentication methods, etc., to solve insecurity problems, solve complex problems Effect

Inactive Publication Date: 2016-08-31
WUHAN UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the ubiquitous security problems and the complexity of authentication methods in existing mobile phone authentication methods, an online signature identity authentication method and system based on mobile phone sensing is provided

Method used

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  • Cellphone sensing based online signature identity authentication method and system
  • Cellphone sensing based online signature identity authentication method and system

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0050] In the user's identity authentication process, the present invention uses the built-in sensor of the smart phone to capture the track information of the user's hand in the air. Here, the acceleration sensor and gyroscope of the mobile phone are mainly used to complete the detection of the direction and angle transformation of the track, thereby Realize that the handwriting information written by the user in the three-dimensional space is reproduced in the two-dimensional plane; specifically, the acceleration information of the mobile phone is obtained through the acceleration sensor, and the ...

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Abstract

The present invention discloses a cellphone sensing based online signature identity authentication method and system. The method comprises: firstly training handwriting tracks of a real user and a fake user so as to obtain a similarity threshold, and storing the threshold and real user information used for training in a local user template library; and in a user identity authentication process, collecting user track information through a cellphone sensor, after extracting feature information of the tracks, carrying out similarity matching on the feature information and feature information in the user template library by using a DTW algorithm to obtain a minimum similarity value, and comparing the similarity value with the threshold stored in the local template library to determine whether the current user is the real user.

Description

technical field [0001] The present invention relates to a personal identity authentication method using mobile phone sensor and online signature technology fusion, in particular to a technical means using mobile phone acceleration sensor, gyroscope and DTW (Dynamic Time Warping) signature algorithm fusion to realize safe and convenient mobile phone Authentication. Background technique [0002] At present, the known mobile phone personal identity authentication includes the combination of digital password and password, and biometric identification. irreparable loss; the biometric identification method is to use the uniqueness of the individual's biological signs to authenticate the user, but due to the high cost of acquiring biometric equipment and immature technology, it is difficult to promote the application on mobile phones . Therefore, the field of mobile personal identity authentication needs further development and research. Contents of the invention [0003] In o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32G06K9/00H04M1/725H04M1/72463
CPCG06F3/0346G06F21/32H04M2203/6054H04M1/72463G06V40/33G06V10/30G06V10/40G06V10/751
Inventor 汪阳曾文超詹恩奇郑建彬华剑
Owner WUHAN UNIV OF TECH
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