DE69722495D1 - Adaptives Abtastverfahren für Wavelet-Videokodierung - Google Patents
Adaptives Abtastverfahren für Wavelet-VideokodierungInfo
- Publication number
- DE69722495D1 DE69722495D1 DE69722495T DE69722495T DE69722495D1 DE 69722495 D1 DE69722495 D1 DE 69722495D1 DE 69722495 T DE69722495 T DE 69722495T DE 69722495 T DE69722495 T DE 69722495T DE 69722495 D1 DE69722495 D1 DE 69722495D1
- Authority
- DE
- Germany
- Prior art keywords
- video coding
- sampling method
- adaptive sampling
- wavelet video
- wavelet
- 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 - Fee Related
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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- 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
- H04N19/10—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
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9328996A JPH09261644A (ja) | 1996-03-22 | 1996-03-22 | ウエーブレットビデオ符号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69722495D1 true DE69722495D1 (de) | 2003-07-10 |
DE69722495T2 DE69722495T2 (de) | 2003-12-18 |
Family
ID=14078248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997622495 Expired - Fee Related DE69722495T2 (de) | 1996-03-22 | 1997-03-21 | Adaptives Abtastverfahren für Wavelet-Videokodierung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6055017A (de) |
EP (1) | EP0797358B1 (de) |
JP (1) | JPH09261644A (de) |
KR (1) | KR970068645A (de) |
DE (1) | DE69722495T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0914004A1 (de) * | 1997-10-29 | 1999-05-06 | Ntec Media GmbH | Codierungssystem und -verfahren zur verlustfreien und verlustbehafteten Kompression von stehenden und bewegten Bildern |
US6553147B2 (en) | 1998-10-05 | 2003-04-22 | Sarnoff Corporation | Apparatus and method for data partitioning to improving error resilience |
EP1118218A4 (de) * | 1998-10-05 | 2004-08-25 | Sarnoff Corp | Geraet und verfahren zur bildung einer kodiereinheit |
EP1119977B1 (de) * | 1998-10-05 | 2013-05-22 | Mediatek Inc. | Vorrichtung und verfahren der datenunterteilung zur verbesserung der fehlerresistenz |
US6970604B1 (en) | 1998-10-05 | 2005-11-29 | Media Tek Inc. | Apparatus and method for forming a coding unit |
KR100317279B1 (ko) * | 1998-11-04 | 2002-01-15 | 구자홍 | 무손실부호화방법및장치 |
KR100404589B1 (ko) * | 1998-12-24 | 2003-12-18 | 주식회사 대우일렉트로닉스 | 웨이브릿 변환을 이용한 초저속 동영상 부호화기의 주사 방법 |
US6351491B1 (en) * | 1999-06-23 | 2002-02-26 | Sarnoff Corporation | Apparatus and method for optimizing the rate control for multiscale entropy encoding |
US6831946B1 (en) * | 1999-11-08 | 2004-12-14 | Lg Electronics Inc. | Device and method for coding image |
KR20010059114A (ko) * | 1999-12-30 | 2001-07-06 | 박종섭 | 이미지 센서로부터 출력되는 이미지 데이터의 압축 방법 |
US20020044695A1 (en) * | 2000-05-05 | 2002-04-18 | Bostrom Alistair K. | Method for wavelet-based compression of video images |
DE10022262A1 (de) * | 2000-05-08 | 2001-12-06 | Siemens Ag | Verfahren und eine Anordnung zur Codierung bzw. Decodierung einer Folge von Bildern |
US6891974B1 (en) * | 2001-01-08 | 2005-05-10 | Microsoft Corporation | System and method providing improved data compression via wavelet coefficient encoding |
US7190840B2 (en) * | 2002-01-07 | 2007-03-13 | Hewlett-Packard Development Company, L.P. | Transform coefficient compression using multiple scans |
US7177477B2 (en) * | 2002-03-07 | 2007-02-13 | Aware, Inc. | Selective group modeling |
US7239754B2 (en) * | 2002-07-16 | 2007-07-03 | Hiroshi Akimoto | Method, apparatus and system for compressing still images in multipurpose compression systems |
US7835596B2 (en) * | 2003-12-16 | 2010-11-16 | International Business Machines Corporation | Componentized application sharing |
KR100657714B1 (ko) | 2004-11-11 | 2006-12-13 | 주식회사 대우일렉트로닉스 | 3차원 스캐닝을 이용한 영상데이터 부호화 방법 |
US8000546B2 (en) * | 2008-08-01 | 2011-08-16 | National Cheng Kung University | Adaptive scan method for image/video coding |
GB2483502B (en) * | 2010-09-10 | 2014-05-07 | Imagination Tech Ltd | Random accessible lossless parameter data compression for title based 3D computer graphics system |
GB2496197A (en) * | 2011-11-07 | 2013-05-08 | Sony Corp | Frequency Domain Video Data Reordering for Encoding |
US11323747B2 (en) * | 2013-06-05 | 2022-05-03 | Qualcomm Incorporated | Residual differential pulse code modulation (DPCM) extensions and harmonization with transform skip, rotation, and scans |
WO2015052388A1 (fr) * | 2013-10-10 | 2015-04-16 | Sas I-Ces (Innovative Compression Engineering Solutions) | Procede de codage d'une matrice, notamment d'une matrice representative d'une image fixe ou video, utilisant une transformee par ondelettes avec des nombres de niveaux d'ondelettes variant selon l'image, et des facteurs de quantification différents pour chaque niveau d'ondelette |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4004857A1 (de) * | 1990-02-16 | 1991-09-12 | Bosch Gmbh Robert | Einrichtung zur bandbreitenreduzierenden codierung von videosignalen |
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 |
US5276525A (en) * | 1991-03-22 | 1994-01-04 | Bell Communications Research, Inc. | Two-dimensional block scanning for subband image and video coding |
JPH0665815A (ja) * | 1992-08-19 | 1994-03-08 | Kuraray Co Ltd | ポリビニルアルコール系偏光繊維及びその製造方法 |
JP2933457B2 (ja) * | 1993-02-18 | 1999-08-16 | 日本電気株式会社 | ウェーブレット変換符号化方法 |
GB2281465B (en) * | 1993-08-27 | 1997-06-04 | Sony Uk Ltd | Image data compression |
JPH07274168A (ja) * | 1994-04-04 | 1995-10-20 | Matsushita Electric Ind Co Ltd | 映像符号化用ウェーブレット係数走査方法 |
JP3534465B2 (ja) * | 1994-12-28 | 2004-06-07 | パイオニア株式会社 | サブバンド符号化方法 |
JPH08186815A (ja) * | 1994-12-28 | 1996-07-16 | Pioneer Electron Corp | サブバンド符号化方法 |
US5812788A (en) * | 1995-07-21 | 1998-09-22 | Intel Corporation | Encoding/decoding video signals using quantization tables based on explicitly encoded base and scale matrices |
US5721822A (en) * | 1995-07-21 | 1998-02-24 | Intel Corporation | Run-length encoding/decoding video signals using scan patterns explicitly encoded into bitstreams |
US5808683A (en) * | 1995-10-26 | 1998-09-15 | Sony Corporation | Subband image coding and decoding |
US5777678A (en) * | 1995-10-26 | 1998-07-07 | Sony Corporation | Predictive sub-band video coding and decoding using motion compensation |
GB2306830B (en) * | 1995-10-30 | 2000-05-24 | Sony Uk Ltd | Video data compression |
EP0817494A3 (de) * | 1996-06-28 | 1998-07-22 | Oki Electric Industry Co., Ltd. | Bildkodierungsverfahren und -vorrichtung |
-
1996
- 1996-03-22 JP JP9328996A patent/JPH09261644A/ja active Pending
-
1997
- 1997-03-19 US US08/820,159 patent/US6055017A/en not_active Expired - Fee Related
- 1997-03-21 DE DE1997622495 patent/DE69722495T2/de not_active Expired - Fee Related
- 1997-03-21 EP EP19970104900 patent/EP0797358B1/de not_active Expired - Lifetime
- 1997-03-21 KR KR1019970009686A patent/KR970068645A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0797358A2 (de) | 1997-09-24 |
EP0797358B1 (de) | 2003-06-04 |
US6055017A (en) | 2000-04-25 |
DE69722495T2 (de) | 2003-12-18 |
EP0797358A3 (de) | 1998-07-22 |
JPH09261644A (ja) | 1997-10-03 |
KR970068645A (ko) | 1997-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69722495T2 (de) | Adaptives Abtastverfahren für Wavelet-Videokodierung | |
DE69434369D1 (de) | Adaptives variables Längendekodierungsverfahren für Videodaten | |
DE69722637D1 (de) | Bewegungsschätzungssystem und -verfahren für einen videokodierer | |
DE69712676D1 (de) | Verfahren zur Videokodierung | |
IL121677A0 (en) | Method for encoding data for transmission | |
DE69729697D1 (de) | Quantisierungsverfahren und -vorrichtung zur Videokodierung | |
GB2341031B (en) | Method and apparatus for adaptively coding video signals | |
GB9509831D0 (en) | Lossless coding method for waveform data | |
EP0742986A4 (de) | Verfahren und gerät zur adaptiven kodierung/dekodierung | |
DE69604307D1 (de) | Kodierungstechnik für software | |
DE69730196D1 (de) | Tuner für Kabelmodem | |
GB2320830B (en) | Method and equipment for weather image prediction | |
DE69725186D1 (de) | Sprite-gestütztes videocodiersystem | |
DE69718687T2 (de) | Vorrichtung und verfahren zur bildvorhersage und -codierung/ -decodierung. | |
EP0850513A4 (de) | Datenkompressionsverfahren | |
GB2321323B (en) | Branch prediction apparatus and method thereof | |
DK33698A (da) | Adaptiv kodningsfremgangsmåde | |
DE69811328D1 (de) | Verfahren für die Kodierung von Wavelet-Koeffizienten | |
AU1597999A (en) | Method for determining optimally weighted wavelet transform | |
GB9617250D0 (en) | Method for processing decoded picture blocks-based method for picture coding | |
DE69715660D1 (de) | Videokodierung | |
DE69839312D1 (de) | Kodierverfahren für vibrationswellen | |
DE69433620D1 (de) | Verfahren zur Datenkompression | |
GB2324670B (en) | Method for decoding video data corrupted by channel noise | |
DE69631742D1 (de) | Kodierungs- und Dekodierungsverfahren für Datenübertragung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |