基于切向角特征的统计步态识别

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Abstract A statistical gait recognition algorithm based on tangent angle features is proposed in this paper. Firstly, the method of Procrustes shape analysis is used to produce Procrustes compact Mean Shape (PMS) from the continuous posture variation of human body profile outline in gait sequence. The PMS is utilized as the primitive gait feature in this paper. Then the tangent angle corresponding to the tangential vector at each sample point on the PMS is computed. The tangent angle is considered to reflect the local appearance and tendency at that particular point of the outline and is treated as a local discriminative gait feature called Tangent Angle Feature (TAF). Finally, the Local Tangent angle Dissimilarity is used to measure the distance between two different TAFs, and the simplest standard classifiers are used to implement gait recognition. The experimental results on CASIA database and SOTON database show that the proposed algorithm is simple and effective and outperforms other existing approaches in terms of recognition accuracy.

Key words： Statistical Gait Recognition Procrustes Mean Shape (PMS) Tangent Angle Feature(TAF) Local Tangent Angle Dissimilarity

Received: 21 September 2009

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	Articles by authors
	ZHANG Yuan-Yuan
	WU Xiao-Juan
	RUAN Qiu-Qi

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ZHANG Yuan-Yuan,WU Xiao-Juan,RUAN Qiu-Qi. Statistical Gait Recognition Based on Tangent Angle Features[J]. , 2010, 23(4): 539-545.

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http://manu46.magtech.com.cn/Jweb_prai/EN/ OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2010/V23/I4/539

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