A filter based bit allocation scheme for subband compression of HDTV

被引：48

作者：

Woods, John W. ^{[1
]}

Naveen, T. ^{[1
]}

机构：

[1] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA

来源：

IEEE TRANSACTIONS ON IMAGE PROCESSING | 1992年 / 1卷 / 03期

关键词：

D O I：

10.1109/83.148618

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We compare the subband compression capabilities of eight filter sets (consisting of linear phase quadrature mirror filters (QMF's) perfect reconstruction filters, and nonlinear phase wavelets) at different bit rates, using a filter-based bit allocation procedure developed in this paper. Using DPCM and PCM in HDTV subband coding, we have found that QMF's have an edge over the rest.

引用

页码：436 / 440

页数：5

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