Unsupervised Texture Segmentation Based on Multiscale Stochastic Modeling in Wavelet Domain (マルチメディア情報処理,映像表現,ネットワーク映像メディア,画像情報システム 第4回International Workshop on Advanced Image Technology (IWAIT2002))
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概要
- 論文の詳細を見る
One difficulty of textured image segmentation in the past was the lack of computationally efficient models which can capture statistical regularities of textures over large distances. Recently, to overcome this difficulty, Bayesian approaches capitalizing on computational efficiency of multiscale representations have received attention. Most of previous researches have been based on multiscale stochastic models which use the Gaussian pyramid decomposition as image decomposition scheme. In this paper, motivated by nonredundant directional selectivity and highly discriminative nature of the wavelet representation, we present an unsupervised textured image segmentation algorithm which is based on a multiscale stochastic modeling over the wavelet decomposition of image. For the sake of computational efficiency, versions of the EM algorithm and MAP estimate, which are based on the mean-field decomposition of a posteriori probability, are used for estimating model parameters and the segmented image, respectively.
- 社団法人映像情報メディア学会の論文
- 2002-01-18
著者
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Noda Hideki
Kyushu Institute of Technology, Dept. of Systems Design and Informatics
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Noda Hideki
Kyushu Inst. Technol. Iizuka Jpn
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Shirazi Mehdi
Faculty Of Information Science Osaka Institute Of Technology
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Kawaguchi Eiji
Kyushu Institute Of Technology Dent Of Electrical Electronic And Computer Engineering
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Kawaguchi Eiji
Departmetn Of Electrical Electronic & Computer Engineering Kyushu Institute Of Technology
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Kawaguchi Eiji
Dept. Of Electrical Electronics And Computer Engineering Kyushu Institute Of Technology
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Kawaguchi Eiji
Kyushu Institute Of Technology
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Shirazi M
Communications Research Laboratory Keihanna Human Info-communications Research Center
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Shirazi Mahdad
Communications Research Laboratory
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Kawaguchi Eiji
Communications Research Laboratory
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Shirazi Mahdad
Kyushu Institute of Technology
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