DE69823011D1 - Bildkodierungs- und dekodierungsvorrichtung - Google Patents
Bildkodierungs- und dekodierungsvorrichtungInfo
- 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
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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2230897A JP3213561B2 (ja) | 1997-02-05 | 1997-02-05 | 画像符号化装置及び画像復号装置 |
JP2230897 | 1997-02-05 | ||
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)
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 |
FR2792432B1 (fr) * | 1999-04-15 | 2001-07-13 | Canon Kk | Dispositif et procede de transformation de signal numerique |
CN1197253C (zh) | 1999-04-15 | 2005-04-13 | 株式会社理光 | 数据高速压缩伸展方法及其装置 |
FR2792433A1 (fr) * | 1999-04-15 | 2000-10-20 | Canon Kk | Dispositif et procede de transformation de signal numerique |
KR100783396B1 (ko) * | 2001-04-19 | 2007-12-10 | 엘지전자 주식회사 | 부호기의 서브밴드 분할을 이용한 시공간 스케일러빌러티방법 |
EP1497989A1 (de) | 2002-04-19 | 2005-01-19 | Qinetiq Limited | Farbbildkomprimierung mit wavelet-transformation |
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)
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 |
-
1997
- 1997-02-05 JP JP2230897A patent/JP3213561B2/ja not_active Expired - Lifetime
-
1998
- 1998-01-29 EP EP98901034A patent/EP0961494B1/de not_active Expired - Lifetime
- 1998-01-29 US US09/355,839 patent/US6529636B1/en not_active Expired - Fee Related
- 1998-01-29 DE DE1998623011 patent/DE69823011T2/de not_active Expired - Lifetime
- 1998-01-29 ES ES98901034T patent/ES2219867T3/es not_active Expired - Lifetime
- 1998-01-29 WO PCT/JP1998/000359 patent/WO1998035502A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JPH10224788A (ja) | 1998-08-21 |
ES2219867T3 (es) | 2004-12-01 |
US6529636B1 (en) | 2003-03-04 |
DE69823011T2 (de) | 2005-03-31 |
EP0961494B1 (de) | 2004-04-07 |
JP3213561B2 (ja) | 2001-10-02 |
WO1998035502A1 (en) | 1998-08-13 |
EP0961494A4 (de) | 2001-09-05 |
EP0961494A1 (de) | 1999-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition |