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Gait identity identification method and system thereof

A technology of identity recognition and gait recognition, which is applied in the field of pattern recognition, pervasive computing, and human-computer interaction, can solve problems that limit the application and development of gait recognition, and achieve improved accuracy and robustness, flexible use, Ease of use

Inactive Publication Date: 2017-08-04
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the accuracy of existing smart phone-based gait identification is affected by factors such as the position and orientation of the mobile phone. For example, the mobile phone needs to be placed in a specific position (such as the waist); the orientation of the mobile phone is also restricted. Wait
This greatly limits the application and development of gait identification in mobile phone risk control. Therefore, it is of great significance to use the equipment in the mobile phone reasonably and effectively for gait analysis.

Method used

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  • Gait identity identification method and system thereof
  • Gait identity identification method and system thereof
  • Gait identity identification method and system thereof

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Embodiment Construction

[0046] 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 through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] Existing methods for gait analysis through devices such as acceleration sensors or gyroscopes usually require that specific devices be placed in a fixed position of the user, such as on the ankle, knee, waist or in a pocket, etc., and maintain a specific direction . For example, fixing the gyroscope at the ankle of the participant / volunteer to collect data for gait analysis, or placing the mobile phone at a specific position such as the waist, and the direction of the mobile phone is also restricted, etc., which are greatly limited. The application and development of gait ident...

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Abstract

The invention provides a gait identification method and a system thereof. The method is characterized by extracting a behavior characteristic, a position characteristic and a gait characteristic from acceleration data acquired from intelligent terminal carried by a user; using a pre-trained behavior identification model to identify a current user behavior according to the behavior characteristic; using a pre-trained position identification model to identify a current position of the intelligent terminal according to the position characteristic and the identified current user behavior; and using a pre-trained gait identification model to identify a user identity according to the gait characteristic, the identified current user behavior and the current position of the intelligent terminal. In the method, through a layered progressive identification mode, accuracy and robustness of gait identity identification are increased, a correlation sensor placing position and a direction do not need to be limited, and the method and the system are flexible and are convenient to use.

Description

technical field [0001] The invention belongs to the fields of human-computer interaction, pattern recognition and pervasive computing, and in particular relates to an identity recognition method based on gait analysis. Background technique [0002] In recent years, with the popularity of smart terminal devices, especially smart phones, the security of user privacy data and payment environments in smart phone devices has attracted more and more attention. Traditional identity verification mainly uses such as password, voice, fingerprint, iris or face. These methods cooperate with each other to protect the user's private information very well, but these methods require explicit operations by the user or have special requirements for the device and environment. As human-computer interaction becomes more complex, user experience is degraded. In order to improve user experience, many APPs in smartphones provide functions such as remembering passwords or automatic login, which i...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06F21/32
CPCG06F21/32G06V40/25
Inventor 陈益强于佃存彭晓晖焦帅李啸海钟习
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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