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Novel precompression rate-distortion optimization algorithm for JPEG 2000
2004
Visual Communications and Image Processing 2004
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In this paper, a novel pre-compression rate-distortion optimization algorithm is proposed, which can reduce computation power and memory requirement of JPEG 2000 encoder. It can reduce the wasted computational power of the entropy coder (EBCOT Tier-1) and unnecessary memory requirement for the code-stream. Distortion and rate of coding passes are calculated and estimated before coding, and therefore truncation point is selected before coding. Experimental results show that the computation time
doi:10.1117/12.527682
dblp:conf/vcip/ChangFLC04
fatcat:n732oglvevenjnl277cikgk2ii