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  1. 060 工学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

A new image coding technique with low entropy using a flexible zerotree

http://hdl.handle.net/10191/6216
http://hdl.handle.net/10191/6216
032569ad-e725-4871-8bdb-5b2a3eae6c2c
名前 / ファイル ライセンス アクション
1_0022.pdf 1_0022.pdf (752.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2008-04-08
タイトル
タイトル A new image coding technique with low entropy using a flexible zerotree
タイトル
言語 en
タイトル A new image coding technique with low entropy using a flexible zerotree
言語
言語 eng
キーワード
主題Scheme Other
主題 image compression
キーワード
主題Scheme Other
主題 wavelet transform
キーワード
主題Scheme Other
主題 zerotree coding
キーワード
主題Scheme Other
主題 entropy coding
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Joo, Sanghyun

× Joo, Sanghyun

WEKO 5768

Joo, Sanghyun

Search repository
Kikuchi, Hisakazu

× Kikuchi, Hisakazu

WEKO 5769

Kikuchi, Hisakazu

Search repository
Sasaki, Shigenobu

× Sasaki, Shigenobu

WEKO 5770

Sasaki, Shigenobu

Search repository
Shin, Jaeho

× Shin, Jaeho

WEKO 5771

Shin, Jaeho

Search repository
著者別名
識別子 5772
識別子Scheme WEKO
姓名 菊池, 久和
著者別名
識別子 5773
識別子Scheme WEKO
姓名 佐々木, 重信
抄録
内容記述タイプ Abstract
内容記述 A zerotree image-coding scheme is introduced that effectively exploits the inter-scale self-similarities found in the octave decomposition by a wavelet transform. A zerotree is usuful for efficiently coding wavelet coefficients ; its efficiency was proved by Shapiro's EZW. In the EZW coder, wavelet coefficients are sympolized, then entropy-coded for further compression. In this paper, we analyze the symbols produced by the EZW coder and discuss the entropy for a symbol. We modify the procedure used for symbol-stream generation to produce lower entropy. First, we modify the fixed relation between a parent and children used in the EZW coder to raise the propability that a significant parent has significant children. The modified relation is flexibly modified again based on the observation that a significant coefficient is more likely to have significant coefficients in its neighborhood. The three relations are compared in terms of the number of symbols they produce.
書誌情報 IEICE transactions on communications
en : IEICE transactions on communications

巻 E81-B, 号 12, p. 2528-2535, 発行日 1998-12
出版者
出版者 The Institute of Electronics, Information and Communication Engineers
ISSN
収録物識別子タイプ ISSN
収録物識別子 09168516
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10826261
権利
権利情報 copyright©1998 IEICE(許諾番号07RB0183)
著者版フラグ
値 publisher
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.ieice.org/jpn/trans_online/
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