DE69637820D1 - Codier-/Decodiersystem für Bilddaten mit hoher Codier-Effizienz - Google Patents
Codier-/Decodiersystem für Bilddaten mit hoher Codier-EffizienzInfo
- Publication number
- DE69637820D1 DE69637820D1 DE69637820T DE69637820T DE69637820D1 DE 69637820 D1 DE69637820 D1 DE 69637820D1 DE 69637820 T DE69637820 T DE 69637820T DE 69637820 T DE69637820 T DE 69637820T DE 69637820 D1 DE69637820 D1 DE 69637820D1
- Authority
- DE
- Germany
- Prior art keywords
- coding
- image data
- decoding system
- coding efficiency
- efficiency
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/124—Quantisation
-
- 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
- H04N19/10—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
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
-
- 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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9707395A JPH08294119A (ja) | 1995-04-21 | 1995-04-21 | 画像符号化/復号化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69637820D1 true DE69637820D1 (de) | 2009-03-12 |
Family
ID=14182472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69637820T Expired - Fee Related DE69637820D1 (de) | 1995-04-21 | 1996-02-22 | Codier-/Decodiersystem für Bilddaten mit hoher Codier-Effizienz |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP0739141B1 (de) |
JP (1) | JPH08294119A (de) |
DE (1) | DE69637820D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6259738B1 (en) | 1996-10-31 | 2001-07-10 | Kabushiki Kaisha Toshiba | Video encoding apparatus and video decoding apparatus |
JP4034380B2 (ja) * | 1996-10-31 | 2008-01-16 | 株式会社東芝 | 画像符号化/復号化方法及び装置 |
JP3612918B2 (ja) * | 1996-11-08 | 2005-01-26 | 松下電器産業株式会社 | 画像符号化装置および画像復号化装置 |
US6456328B1 (en) | 1996-12-18 | 2002-09-24 | Lucent Technologies Inc. | Object-oriented adaptive prefilter for low bit-rate video systems |
JP3223962B2 (ja) * | 1997-01-24 | 2001-10-29 | 松下電器産業株式会社 | 画像復号化方法 |
DE19719383A1 (de) | 1997-05-07 | 1998-11-19 | Siemens Ag | Verfahren und Vorrichtung zur Codierung und Decodierung eines digitalisierten Bildes |
SG116400A1 (en) | 1997-10-24 | 2005-11-28 | Matsushita Electric Ind Co Ltd | A method for computational graceful degradation inan audiovisual compression system. |
US6477201B1 (en) * | 1998-05-22 | 2002-11-05 | Sarnoff Corporation | Content-adaptive compression encoding |
US6263021B1 (en) | 1998-09-18 | 2001-07-17 | Sarnoff Corporation | Treating non-zero quantized transform coefficients as zeros during video compression processing |
DE19944301A1 (de) * | 1999-09-15 | 2001-04-05 | Siemens Ag | Verfahren und Anordnung zur Bearbeitung bzw. inversen Bearbeitung zumindest eines Teils eines Bildes sowie Computerprogramm-Erzeugnisse und Computerlesbares Speichermedium |
KR100353851B1 (ko) * | 2000-07-07 | 2002-09-28 | 한국전자통신연구원 | 파문 스캔 장치 및 그 방법과 그를 이용한 영상코딩/디코딩 장치 및 그 방법 |
JP2007318596A (ja) * | 2006-05-29 | 2007-12-06 | Opt Kk | 広角レンズによる撮像データの圧縮方法、伸長表示方法、圧縮装置、広角カメラ装置およびモニタシステム |
US9247254B2 (en) * | 2011-10-27 | 2016-01-26 | Qualcomm Incorporated | Non-square transforms in intra-prediction video coding |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01180185A (ja) | 1988-01-11 | 1989-07-18 | Nec Corp | ファクシミリ装置 |
DE69132002T2 (de) * | 1990-11-19 | 2000-08-03 | Canon Kk | Bildverarbeitungsgerät und -Verfahren |
JP3071261B2 (ja) | 1991-10-02 | 2000-07-31 | 株式会社東芝 | 画像符号化装置 |
JP3196906B2 (ja) * | 1992-08-21 | 2001-08-06 | 富士ゼロックス株式会社 | 画像信号の符号化装置 |
US5402146A (en) * | 1992-10-23 | 1995-03-28 | International Business Machines Corporation | System and method for video compression with artifact dispersion control |
DE69324781T2 (de) * | 1992-12-21 | 1999-12-09 | Ibm | Computerbedienung einer Videokamera |
-
1995
- 1995-04-21 JP JP9707395A patent/JPH08294119A/ja active Pending
-
1996
- 1996-02-22 EP EP19960102670 patent/EP0739141B1/de not_active Expired - Lifetime
- 1996-02-22 EP EP20080009801 patent/EP1965588A1/de not_active Withdrawn
- 1996-02-22 DE DE69637820T patent/DE69637820D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0739141B1 (de) | 2009-01-21 |
EP1965588A1 (de) | 2008-09-03 |
JPH08294119A (ja) | 1996-11-05 |
EP0739141A2 (de) | 1996-10-23 |
EP0739141A3 (de) | 2000-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |