PERFORMANCE IMPROVEMENT OF THE LOSSLESS VIDEO CODING SCHEME BY ADAPTING THE NUMBER OF 3D PREDICTORS FRAME BY FRAME(INTERNATIONAL Workshop on Advanced Image Technology 2008)
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概要
- 論文の詳細を見る
This paper describes an efficient lossless coding scheme for video signals. The scheme employs a motion compensation based block-adaptive prediction technique to exploit both spatial and temporal correlations in video signals. Multiple 3D predictors used for the technique are iteratively optimized for each frame and then encoded as side information. In order to reduce the amount of this side information, differential coding of prediction coefficients is performed. Furthermore, the number of the 3D predictors is adapted frame-by-frame so that the overall coding rate including the side information can be a minimum. Experimental results indicate that coding rates of the proposed scheme are 12.5-21.7% lower than those of the H.264/AVC-based lossless video coding scheme.
- 社団法人電子情報通信学会の論文
- 2007-12-31
著者
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Matsuda Ichiro
Department Of Pediatrics Kumamoto University School Of Medicine
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Itoh Susumu
Department Of Experimental Pathology Graduate School Of Comprehensive Human Sciences University Of T
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Naito Sei
Kddir & D Laboratories Inc.
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Koike Atsushi
Kddir & D Laboratories Inc.
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Minezawa Akira
Department of Electrical Engineering, Science University of Tokyo
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Okazaki Shuma
Department of Electrical Engineering, Science University of Tokyo
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Itoh Susumu
Department Of Electrical Engineering Faculty Of Science And Technology Science University Of Tokyo
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Okazaki Shuma
Department Of Electrical Engineering Science University Of Tokyo
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Minezawa Akira
Department Of Electrical Engineering 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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