Spatio-temporal Prefiltering Scheme Based on Anisotropic Diffusion in Low Bitrate Video Coding (Image Processing and Coding)(International Workshop On Advanced Image Technology (IWAIT2004))

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概要

• 論文の詳細を見る

• A new prefiltering scheme targeted at low bitrate video coding such as MPEG-4 is proposed in this paper. Our smoothing scheme is based on anisotropic diffusion and achieved by extending spatial Perona-Malik diffusion to saptio-temporal. It is verified, through various computer simulations, that our prefilter improves subjective quality of filtered images by preserving important edge information well, and that it also reduces bit count of the compressed images considerably.

• 社団法人電子情報通信学会の論文
• 2004-01-05

著者

• TAKAHASHI Hiroki

  Graduate School of Information Science, Nara Institute of Science and Technology

• NAKAJIMA Masayuki

  Graduate School of Information Science & Engineering, Tokyo Institute of Technology

• TSUJI Hiroyuki

  Department of Botany, Kyoto University

• Tsuji H

  Department Of Information And Computer Sciences Kanagawa Institute Of Technology:graduate School Of

• Tokumasu Shinji

  Department of Information and Computer Sciences, Kanagawa Institute of Technology

• Tokumasu Shinji

  Department Of Information And Computer Sciences Kanagawa Institute Of Technology

• Nakajima Masayuki

  Graduate School Of Information And Engineering Tokyo Institute Of Technology

• Takahashi Hiroki

  Graduate School Of Information Science Nara Institute Of Science And Technology

• Takahashi Hiroki

  Graduate School Of Human And Environmental Studies Kyoto University

• Takahashi Hiroki

  Graduate School of Biomedical Engineering, Tohoku University, Sendai 980-8579, Japan

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