JPEG2000图像压缩过程及原理概述JPEG2000图像压缩过程及原理概述.pdf

14 10 V ol . 14 , N o. 10 2002 10 J O U RN A L OF COM P U T ER -A IDED D ESIGN CO M P U T ER G RA PHICS O ct ., 2002 JPEG2000 刘方敏　吴永辉　俞建新 2 10093) 2 10093) , , , JP E G2000 . JP E G2000 PA RT 1 , ; J PE G 2000 PA RT 2 , J PE G 2000 . J PE G 2000 , EBCO T , , T P391 Image Compression Process and Principle of JPEG2000 L iu F ang minWu Y onghuiY u Jianx in Dep artment of Comp uter and Technology , N anj ing University, N anj ing 2 10093) , , 2 10093) State K ey Laboratory f or N ovel Sof tw are Technology N anj ing University N anj ing AbstractA s a new inter nat ional standar d for ima ge co mpr ession J PE G 2000 came into being to meet the u sers new est demands of better perfo rmance and funct ionality . In this paper , t he pr o cess, fundamental theor ies and in- vo lv ed techno lo gies of imag e compr ession in JP E G2000 PA RT 1 are pr esent ed. M o reo ver , the r ealiza tio n of so me impor tant functio ns in J PE G 2000 is also illu st rated . A t the end o f t his paper , t he author s make a br ief intro duction to J PE G 2000 PA R T 2, w hich w ill be standar dized so on , and ver ify the adv ancement of J PE G 2000 by ex per imental data . 2000 , , , Key words J PE G EBCO T DW T ROI J PE G 2000 1 , , . , J PE G 2000 PA RT 1 , ,