A reduced Laplacian pyramid for lossless and progressive image communication

被引：39

作者：

Aiazzi, B ^{[1
]}

Alparone, L ^{[1
]}

Baronti, S ^{[1
]}

机构：

[1] UNIV FLORENCE,DIPARTIMENTO INGN ELETTR,I-50139 FLORENCE,ITALY

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 1996年 / 44卷 / 01期

关键词：

lossless compression; progressive transmission; Laplacian pyramid; half-hand interpolation; reduced-difference pyramid;

D O I：

10.1109/26.476090

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Laplacian pyramid (LP) is appropriate for lossy image compression; conversely, the reduced-difference pyramid (RDP), having as many data as pixels, gives a better performance with lossless encoding. In this letter, a reduced LP is designed by discarding the anti-aliasing filter and adopting a half-band interpolator, thus retaining three over four of the LP coefficients, Lossless coding outperforms both LP and RDP, especially when dealing with medical images.

引用

页码：18 / 22

页数：5

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