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
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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
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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)
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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 .
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Key words J PE G EBCO T DW T ROI
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