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Compression efficiency improvement on JPEG2000 still image coding using improved Set Partitioning Sorting Algorithm  

Ju Dong-hyun (동아대학교 전기전자 컴퓨터 공학부)
Kim Doo-young (동아대학교 전기전자 컴퓨터 공학부)
Abstract
With the increasing use of multimedia technologies, image compression requires higher performance as well as new functionality. Specially, in the specific area of still image encoding, a new standard, JPEG2000 was developed. This paper proposed Set Partitioning Sorting Algorithm that uses a method to optimized selection of threshold from feature of wavelet transform coefficients and to removes sign bit in LL area on JPEG2000. Experimental results show the proposed algorithm achieves more improved bit rate.
Keywords
영상 압축;분할 정렬 알고리즘;
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