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A method and device for updating a gesture template

A technology of first gesture and template, applied in the field of communication, can solve the problems such as the decline in the recognition rate of identity authentication and affecting the stability of the system

Active Publication Date: 2018-12-07
中移电子商务有限公司
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Problems solved by technology

[0003] Due to the diversity and ambiguity of the user's own gestures, even the same person cannot make two identical gestures, and there will be some differences in gestures between different stages, so that the recognition rate of identity authentication will decrease over time. decrease with the passage of time, affecting the stability of the system

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  • A method and device for updating a gesture template
  • A method and device for updating a gesture template
  • A method and device for updating a gesture template

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Embodiment Construction

[0018] The embodiment of the present invention introduces the clustering analysis method in pattern recognition into user identity authentication, which is used for updating user matching templates, improves the recognition rate of real users without affecting the security of the system, and the authentication system will not The passage of time reduces the authentication accuracy, thereby ensuring the long-term validity of the authentication system.

[0019] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] In the embodiment of the present invention, firstly, a template database needs to be created. The template database contains multiple templates, and each template is a set of gesture data, which is used for matching calculation of the authentication system. The template database can be created by collecting gestures of the user in advance. In order to ensure the recognition effect of ...

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Abstract

The embodiment of the invention discloses a method and an apparatus for updating gesture templates. The method includes: first gesture data is authorized according to all the templates, after the passing of the authentication, each template is regarded as a clustering center, the first gesture data is clustered via a clustering algorithm, and a first template clustered by the first gesture data is determined; and if the quantity of the gesture data clustered to the first template reaches a first setting threshold, a group of gesture data is selected from the gesture data clustered to the first template, and the first template is updated by employing the selected gesture data. According to the method and the apparatus, the cluster analysis method in pattern recognition is introduced to user identity authentication for template updating, and the gesture data is selected from the gesture data obtained via the clustering algorithm so that each template is updated.

Description

technical field [0001] The invention relates to the field of communication technologies, in particular to a method and device for updating gesture templates. Background technique [0002] At present, the identity authentication method based on three-dimensional motion gestures in the world mainly obtains the data of three-dimensional motion gestures through the built-in motion sensor of the mobile terminal, and realizes user identity authentication through a specific algorithm. [0003] Due to the diversity and ambiguity of the user's own gestures, even the same person cannot make two identical gestures, and there will be some differences in gestures between different stages, so that the identification rate of identity authentication will decrease over time. As time goes by, it will decrease, which will affect the stability of the system. [0004] Therefore, how to update the gesture template has always been an important factor hindering the recognition rate of user authent...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
Inventor 王尧孙子文周治平范金桥贺新初朱韧李炎姜峰
Owner 中移电子商务有限公司
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