A New Unified Lossless/Lossy Image Compression Based on a New Integer DCT(Image Processing and Multimedia Systems, <Special Section>Recent Advances in Circuits and Systems-Part 1)
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概要
- 論文の詳細を見る
In this paper, we propose a new one-dimensional (ID) integer discrete cosine transform (Int-DCT) for unified lossless/lossy image compression. The proposed 1D Int-DCT is newly designed to reduce rounding effects by minimizing number of rounding operations. The proposed Int-DCT can be operated not only lossless coding for a high quality decoded image but also lossy coding for a compatibility with the conventional DCT-based coding system. Both theoretical analysis and simulation results confirm an effectiveness of the proposed Int-DCT.
- 社団法人電子情報通信学会の論文
- 2005-07-01
著者
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Chokchaitam Somchart
Thammasat University
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Iwahashi Masahiro
Nagaoka University of Technology
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Iwahashi Masahiro
Department Of Electrical Engineering Nagaoka University Of Technology
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Iwahashi Masahiro
Department Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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JITAPUNKUL Somchai
Department of Electrical Engineering, Faculty of Engineering, Chulalongkorn University
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Iwahashi Masahiro
Nagaoka Univ. Technol. Nagaoka‐shi Jpn
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CHOKCHAITAM Somchart
Department of Electrical Engineering, Nagaoka University of Technology
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Jitapunkul Somchai
Department Of Electrical Engineering Chulalongkorn University
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Chokchaitam Somchart
Department Of Electrical Engineering Thammasat University
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Chokchaitam Somchart
Department Of Electrical Engineering Nagaoka University Of Technology
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