A LOSSLESS CODING SCHEME FOR BAYER COLOR FILTER ARRAY IMAGES USING BLOCK-ADAPTIVE PREDICTION(International Workshop on Advanced Image Technology 2009)
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概要
- 論文の詳細を見る
This paper proposes a novel lossless coding scheme for Bayer color filter array (CFA) images which are generally used as internal data of color digital cameras having a single image sensor. The scheme employs a block-adaptive prediction method to exploit spatial and spectral correlations in local areas containing different color signals. In order to allow adaptive prediction suitable for the respective color signals, four kinds of linear predictors which correspond to 2×2 samples of Bayer CFA are simultaneously switched block-by-block. Experimental results show that the proposed scheme outperforms other state-of-the-art lossless coding schemes in terms of coding efficiency for Bayer CFA images.
- 社団法人電子情報通信学会の論文
- 2009-01-05
著者
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ITOH SUSUMU
Department of Pediatrics, Kagawa University
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MATSUDA Ichiro
Department of Pediatrics, Kumamoto University School of Medicine
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ABE Toshiyuki
Department of Applied Chemistry, Faculty of Engineering, Kanagawa University
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Abe Toshiyuki
Department Of Electrical Engineering Science University Of Tokyo
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Abe Toshiyuki
Department Of Applied Chemistry College Of Engineering Osaka Prefecture University
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Itoh Susumu
Department Of Electrical Engineering Faculty Of Science And Technology Science University Of Tokyo
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Matsuda Ichiro
Department Of Electrical Engineering Faculty Of Science And Technology Science University Of Tokyo
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