REVERSIBLE NON-EXPANSIVE SYMMETRIC CONVOLUTION FOR M-CHANNEL LIFTING BASED LINEAR-PHASE FILTER BANKS

被引：0
|
作者：
Suzuki, Taizo [1 ]
Ikehara, Masaaki [2 ]
机构：
[1] Nihon Univ, Coll Engn, EEE Dept, Koriyama, Fukushima 9638642, Japan
[2] Keio Univ, EEE Dept, Yokohama, Kanagawa 2238522, Japan
来源：
2012 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2012) | 2012年
关键词：
M-channel lifting based linear-phase filter bank (L-LPFB); lossy-to-lossless image coding; reversible non-expansive symmetric convolution; TRANSFORM;
D O I：
暂无
中图分类号：
TB8 [摄影技术];
学科分类号：
0804 ;
摘要：
This paper presents an effective signal boundary solution in lossy-to-lossless image coding which is the unification of lossy and lossless image coding. AlthoughM-channel filter banks (FBs) for lossy image coding have several effective signal boundary solutions, M-channel lifting based FBs (L-FBs) for lossless image coding do not have such an effective signal boundary solutions due to rounding error in each lifting step. This paper proposes reversible non-expansive symmetric convolution for M-channel lifting based linear-phase FBs (L-LPFBs) to apply lossy-to-lossless image coding. Our proposal is validated by comparing with the periodic extension in lossy-to-lossless image coding.
引用
收藏
页码：2453 / 2456
页数：4
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