Lifting-based paraunitary filterbanks for lossy/lossless image coding

Taizo Suzuki, Yuichi Tanaka, Masaaki Ikehara

研究成果: Conference article査読

1 被引用数 (Scopus)


This paper introduces one of the image transform methods using M-channel paraunitary filterbanks (PUFBs) based on Householder matirx. First, redundant parameters of PUFB are eliminated by using the fact that they can be factorized into Givens rotation matices. Next, we propose an eliminating redundant parameters method based on Householder matrix using relationship between Givens rotation and Householder matrices. In addition, PUFBs are factorized into the lifting structure for lossless image coding, and we call them as lifting-based PUFBs (LBPUFBs). LBPUFBs based on Householder matrix have less number of rounding operators than Givens rotation matrix version, since proposed structure is efficiency for lossless image coding. Finally, we show some exsamples to validate our method in lossy/lossless image coding.

ジャーナルEuropean Signal Processing Conference
出版ステータスPublished - 2006
イベント14th European Signal Processing Conference, EUSIPCO 2006 - Florence, Italy
継続期間: 2006 9月 42006 9月 8

ASJC Scopus subject areas

  • 信号処理
  • 電子工学および電気工学


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