DE69823011D1 - Bildkodierungs- und dekodierungsvorrichtung - Google Patents

Bildkodierungs- und dekodierungsvorrichtung

Info

Publication number
DE69823011D1
DE69823011D1 DE69823011T DE69823011T DE69823011D1 DE 69823011 D1 DE69823011 D1 DE 69823011D1 DE 69823011 T DE69823011 T DE 69823011T DE 69823011 T DE69823011 T DE 69823011T DE 69823011 D1 DE69823011 D1 DE 69823011D1
Authority
DE
Germany
Prior art keywords
decoding device
image coding
coding
image
decoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69823011T
Other languages
English (en)
Other versions
DE69823011T2 (de
Inventor
Tomoko Aono
Norio Ito
Hiroyuki Katata
Hiroshi Kusao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE69823011D1 publication Critical patent/DE69823011D1/de
Application granted granted Critical
Publication of DE69823011T2 publication Critical patent/DE69823011T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/647—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
DE1998623011 1997-02-05 1998-01-29 Bildkodierungs- und dekodierungsvorrichtung Expired - Lifetime DE69823011T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2230897 1997-02-05
JP2230897A JP3213561B2 (ja) 1997-02-05 1997-02-05 画像符号化装置及び画像復号装置
PCT/JP1998/000359 WO1998035502A1 (en) 1997-02-05 1998-01-29 Picture coding device and picture decoding device

Publications (2)

Publication Number Publication Date
DE69823011D1 true DE69823011D1 (de) 2004-05-13
DE69823011T2 DE69823011T2 (de) 2005-03-31

Family

ID=12079122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998623011 Expired - Lifetime DE69823011T2 (de) 1997-02-05 1998-01-29 Bildkodierungs- und dekodierungsvorrichtung

Country Status (6)

Country Link
US (1) US6529636B1 (de)
EP (1) EP0961494B1 (de)
JP (1) JP3213561B2 (de)
DE (1) DE69823011T2 (de)
ES (1) ES2219867T3 (de)
WO (1) WO1998035502A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3224514B2 (ja) * 1996-08-21 2001-10-29 シャープ株式会社 動画像符号化装置および動画像復号装置
US6272180B1 (en) 1997-11-21 2001-08-07 Sharp Laboratories Of America, Inc. Compression and decompression of reference frames in a video decoder
FR2792433A1 (fr) * 1999-04-15 2000-10-20 Canon Kk Dispositif et procede de transformation de signal numerique
FR2792432B1 (fr) * 1999-04-15 2001-07-13 Canon Kk Dispositif et procede de transformation de signal numerique
CN100394692C (zh) 1999-04-15 2008-06-11 株式会社理光 数据高速压缩伸展方法及其装置
KR100783396B1 (ko) * 2001-04-19 2007-12-10 엘지전자 주식회사 부호기의 서브밴드 분할을 이용한 시공간 스케일러빌러티방법
US7512277B2 (en) 2002-04-19 2009-03-31 Qinetio Limited Data compression for colour images using wavelet transform
EP2135933B1 (de) 2008-06-20 2013-04-03 The Procter and Gamble Company Waschzusammensetzung
WO2012044104A2 (ko) 2010-09-30 2012-04-05 삼성전자 주식회사 계층적 구조의 심볼을 부호화하는 비디오 부호화 방법 및 그 장치, 계층적 구조의 심볼을 복호화하는 비디오 복호화 방법 및 그 장치
JP6188651B2 (ja) * 2014-07-25 2017-08-30 京セラドキュメントソリューションズ株式会社 画像処理装置および画像処理プログラム
CN109344629B (zh) * 2018-09-19 2021-04-23 湖北工程学院 图像加密隐藏方法及装置、图像解密方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3158458B2 (ja) 1991-01-31 2001-04-23 日本電気株式会社 階層表現された信号の符号化方式
US5315670A (en) * 1991-11-12 1994-05-24 General Electric Company Digital data compression system including zerotree coefficient coding
US5412741A (en) * 1993-01-22 1995-05-02 David Sarnoff Research Center, Inc. Apparatus and method for compressing information
JP3050736B2 (ja) 1993-12-13 2000-06-12 シャープ株式会社 動画像符号化装置
JP3224465B2 (ja) 1993-12-22 2001-10-29 シャープ株式会社 画像符号化装置
JP3356516B2 (ja) 1993-12-28 2002-12-16 シャープ株式会社 動画像符号化装置
JP3086396B2 (ja) 1995-03-10 2000-09-11 シャープ株式会社 画像符号化装置及び画像復号装置
US6023301A (en) 1995-07-14 2000-02-08 Sharp Kabushiki Kaisha Video coding device and video decoding device
JP3249729B2 (ja) 1995-10-24 2002-01-21 シャープ株式会社 画像符号化装置及び画像復号装置
US6483946B1 (en) 1995-10-25 2002-11-19 Sarnoff Corporation Apparatus and method for encoding zerotrees generated by a wavelet-based coding technique
US6157746A (en) * 1997-02-12 2000-12-05 Sarnoff Corporation Apparatus and method for encoding wavelet trees generated by a wavelet-based coding method

Also Published As

Publication number Publication date
JP3213561B2 (ja) 2001-10-02
EP0961494A1 (de) 1999-12-01
EP0961494A4 (de) 2001-09-05
JPH10224788A (ja) 1998-08-21
ES2219867T3 (es) 2004-12-01
US6529636B1 (en) 2003-03-04
WO1998035502A1 (en) 1998-08-13
DE69823011T2 (de) 2005-03-31
EP0961494B1 (de) 2004-04-07

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Legal Events

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8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition