Identity identification method and device

A technology of identification and identity, applied in the field of image analysis, can solve the problems of unrecognizable individual identification, etc., and achieve the effect of high accuracy and rich technical means

Pending Publication Date: 2018-07-20
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides an identification method and device to solve the problem that the individual to be identified cannot be identified when a clear face image of the individual to be identified cannot be obtained in the solution provided by the related technology , to overcome the limitations of related technologies

Method used

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] In an embodiment of the present invention, a technical solution for identifying an individual based on an action is provided. Wherein, an action refers to a movement posture of a body part of an individual, such as a walking posture, a running posture, an arm swing posture, and the like. Since there may be some differences in the actions of different individuals, individuals can be identified based on actions. For example, in the process of walking, different individuals have different movement postures such as step length, stride length, knee bending degree, arm swing height, elbow bending degree, etc., and it is difficult to change deliberately due to the influence of personal habits, so it can be used as a feature to identif...

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Abstract

The invention discloses an identity identification method and device, and relates to the technical field of image analysis. The method comprises that a to-be-identified video recording a target motionof a to-be-identified individual is obtained; a frame sequence within a random target motion period is extracted from the to-be-identified video, and the target motion period represent time to execute a complete target motion; a movement track of characteristic points of the target motion in the frame sequence is obtained; and according to characteristics of the movement track and sample data, the identity of the to-be-identified individual is determined. The sample data comprises identity of at least one sample individual and corresponding characteristics of a sample movement track. The identity of the individual is identified on the basis of motion, and technical means to identify the identity of the individual is enriched.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of image analysis, and in particular to an identity recognition method and device. Background technique [0002] To identify an individual means to determine the identity of the individual. Generally speaking, an individual's identity may be the individual's designation (eg, name). [0003] In the related art, a method for identifying an individual based on a human face is provided. First obtain the face image of the individual to be identified and the face image of the target individual, and then calculate the similarity between the two face images through feature matching. When the similarity is greater than the preset threshold, it is determined that the individual to be identified is the target individual . [0004] The solutions provided by the above-mentioned related technologies need to obtain relatively clear face images. If a clear face image of the individual to be identifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/23
Inventor 王达峰
Owner TENCENT TECH (SHENZHEN) CO LTD
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