Title :
Lossless and near-lossless compression of still color images
Author :
Nakachi, Takayuki ; Fujii, Tatsuya ; Suzuki, Junji
Author_Institution :
NTT Network Innovation Labs., Yokosuka, Japan
fDate :
6/21/1905 12:00:00 AM
Abstract :
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
Keywords :
data compression; image coding; coding algorithm; color image compression; lossless coding; lossless compression; reversible color transform; still color images; Arithmetic; Discrete cosine transforms; Image coding; Image color analysis; Image converters; Image reconstruction; Laboratories; Pulse modulation; Technological innovation; Transform coding;
Conference_Titel :
Image Processing, 1999. ICIP 99. Proceedings. 1999 International Conference on
Conference_Location :
Kobe
Print_ISBN :
0-7803-5467-2
DOI :
10.1109/ICIP.1999.821650
