Factorization of nonuniform block orthogonal transforms

Takayuki Nagai, Shigeki Obata, Masaki Ikehara

研究成果: Conference contribution

抄録

Block orthogonal transforms (BOTs) are commonly used for lots of applications. Conventional BOTs are based on uniform filter banks, however, nonuniform BOTs are often superior to uniform ones. In this research, we investigate the factorization of nonuniform BOTs which does not involve the tree structure. Therefore, optimal nonuniform BOTs are available in the sense of transform coding gain. Some design examples are included to confirm our theory. We also apply the nonuniform BOT to the transform image coding.

本文言語English
ホスト出版物のタイトルProceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1998
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1449-1452
ページ数4
ISBN(印刷版)0780344286, 9780780344280
DOI
出版ステータスPublished - 1998
イベント1998 23rd IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1998 - Seattle, WA, United States
継続期間: 1998 5 121998 5 15

出版物シリーズ

名前ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
3
ISSN(印刷版)1520-6149

Conference

Conference1998 23rd IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1998
国/地域United States
CitySeattle, WA
Period98/5/1298/5/15

ASJC Scopus subject areas

  • ソフトウェア
  • 信号処理
  • 電子工学および電気工学

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