Recognition of Shape-Changinig Hand Gestures
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概要
- 論文の詳細を見る
copyright(c)2002 IEICE許諾番号:08RB0010We present a method to track and recognize shape-changing hand gestures simultaneously. The switching linear model using active contour model well corresponds to temporal shapes and motions of hands. However, inference in the switching linear model is computationally intractable, and therefore the learning process cannot be performed via the exact EM (Expectation Maximization) algorithm. Thus, we present an approximate EM algorithm using a collapsing method in which some Gaussians are merged into a single Gaussian. Tracking is performed through the forward algorithm based on Kalman filtering and the collapsing method. We also present a regularized smoothing, which plays a role of reducing jump changes between the training sequences of shape vectors representing complex-variable hand shapes. The recognition process is performed by the selection of a model with the maximum likelihood from some trained models while tracking is being performed. Experiments for several shape-changing hand gestures are demonstrated.
- 社団法人電子情報通信学会の論文
- 2002-10-01
著者
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Kuno Y
Osaka Univ. Suita‐shi Jpn
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Kuno Yoshinori
Department Of Information And Computer Sciences Saitama University
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Kuno Yoshinori
Department Of Computer-controlled Mechanical Systems Osaka University:department Of Information And
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SHIRAI Yoshiaki
Department Mechanical Engineering for Computer-Controlled Machinery, Osaka University
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Shimada Naoyuki
Department Of Electronic Engineering Graduate School Of Engineering Osaka University
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Kuno Yoshinori
Department Mechanical Engineering For Computer-controlled Machinery Osaka University
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Jeong Muu-ho
Department Of Computer-controlled Mechanical Systems Osaka University
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SHIMADA Nobutaka
Department of Computer-Controlled Mechanical Systems, Osaka University
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JEONG Mun-Ho
Department of Mechanical Engineering for Computer-Controlled Machinery, Osaka University
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Shirai Y
Department Of Computer-controlled Mechanical Systems Osaka University
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Shirai Yoshiaki
Department Mechanical Engineering For Computer-controlled Machinery Osaka University
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久野 義徳
Deparment of Information and Computer Sciences, Saitama University
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