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Lossless and near-lossless compression of still color images

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3 Author(s)
Nakachi, T. ; NTT Network Innovation Labs., Yokosuka, Japan ; Fujii, T. ; Suzuki, J.

This paper proposes a unified coding algorithm for lossless and near-lossless color image compression that exploits the correlations between RGB signals. For lossless coding, a reversible color transform is proposed that removes the correlations between RGB signals while avoiding any finite word length limitation. Next, the lossless algorithm is extended to a unified coding algorithm of lossless and near-lossless compression that can control the distortion level in the magnitude on the RGB plane. Experimental results show the effectiveness of the proposed algorithm

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Image Processing, 1999. ICIP 99. Proceedings. 1999 International Conference on  (Volume:1 )

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