Short-tap and linear-phase PR filter banks for subband coding of images

Jiro Katto, Kunitoshi Komatsu, Yasuhiko Yasuda

研究成果: Conference contribution

8 引用 (Scopus)

抄録

This paper presents a filter design algorithm in order to realize high efficient image codec system based on subband decomposition, and also describes unified frameworks to interpret various image coding techniques. First, various image coding techniques based on the linear transform are dealt with in an unified manner, where both the matrix representation in time domain and the multirate filter bank concept are introduced. Reconsideration about the DPCM is stressed here because the subband coding and the transform coding have been already formulated in some common frameworks. Neither the filter's frequency response nor its orthogonality are taken into consideration because they don't necessarily play an important role in our formulation, particularly in case of the DPCM and the SSKF. Secondly, statistical optimization of short tap and linear phase PR (perfect reconstruction) filter banks is considered. The UCG (unified coding gain) that we proposed at the VSIP '91 as a performance measure of energy compaction properties of the multirate filter bank is expanded to multiple layer cases, and several new examples are presented. The short tap structure leads to low computational complexity, and the linear phase property contributes not only to remove phase distortion but also to solve the so-called border problem. Simulation results are also shown, and the validity of our approach is confirmed.

元の言語English
ホスト出版物のタイトルProceedings of SPIE - The International Society for Optical Engineering
出版場所Bellingham, WA, United States
出版者Publ by Int Soc for Optical Engineering
ページ735-746
ページ数12
1818
エディションpt 2
ISBN(印刷物)0819410187
出版物ステータスPublished - 1992
外部発表Yes
イベントVisual Communications and Image Processing '92 - Boston, MA, USA
継続期間: 1992 11 181992 11 20

Other

OtherVisual Communications and Image Processing '92
Boston, MA, USA
期間92/11/1892/11/20

Fingerprint

taps
Filter banks
coding
Image coding
filters
differential pulse code modulation
Frequency response
Computational complexity
Compaction
Decomposition
orthogonality
borders
frequency response
decomposition
formulations
optimization
matrices
simulation
energy

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

これを引用

Katto, J., Komatsu, K., & Yasuda, Y. (1992). Short-tap and linear-phase PR filter banks for subband coding of images. : Proceedings of SPIE - The International Society for Optical Engineering (pt 2 版, 巻 1818, pp. 735-746). Bellingham, WA, United States: Publ by Int Soc for Optical Engineering.

Short-tap and linear-phase PR filter banks for subband coding of images. / Katto, Jiro; Komatsu, Kunitoshi; Yasuda, Yasuhiko.

Proceedings of SPIE - The International Society for Optical Engineering. 巻 1818 pt 2. 編 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1992. p. 735-746.

研究成果: Conference contribution

Katto, J, Komatsu, K & Yasuda, Y 1992, Short-tap and linear-phase PR filter banks for subband coding of images. : Proceedings of SPIE - The International Society for Optical Engineering. pt 2 Edn, 巻. 1818, Publ by Int Soc for Optical Engineering, Bellingham, WA, United States, pp. 735-746, Visual Communications and Image Processing '92, Boston, MA, USA, 92/11/18.
Katto J, Komatsu K, Yasuda Y. Short-tap and linear-phase PR filter banks for subband coding of images. : Proceedings of SPIE - The International Society for Optical Engineering. pt 2 版 巻 1818. Bellingham, WA, United States: Publ by Int Soc for Optical Engineering. 1992. p. 735-746
Katto, Jiro ; Komatsu, Kunitoshi ; Yasuda, Yasuhiko. / Short-tap and linear-phase PR filter banks for subband coding of images. Proceedings of SPIE - The International Society for Optical Engineering. 巻 1818 pt 2. 版 Bellingham, WA, United States : Publ by Int Soc for Optical Engineering, 1992. pp. 735-746
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