DE3750853D1 - Verfahren zur Bildsignalkodierung mittels Orthogonal-Transformation. - Google Patents
Verfahren zur Bildsignalkodierung mittels Orthogonal-Transformation.Info
- Publication number
- DE3750853D1 DE3750853D1 DE3750853T DE3750853T DE3750853D1 DE 3750853 D1 DE3750853 D1 DE 3750853D1 DE 3750853 T DE3750853 T DE 3750853T DE 3750853 T DE3750853 T DE 3750853T DE 3750853 D1 DE3750853 D1 DE 3750853D1
- Authority
- DE
- Germany
- Prior art keywords
- image signals
- orthogonal transformation
- coding image
- coding
- transformation
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
-
- 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
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61015265A JPH0650912B2 (ja) | 1986-01-27 | 1986-01-27 | 画像デ−タの直交変換符号化方法 |
JP61058803A JPH0681307B2 (ja) | 1986-03-17 | 1986-03-17 | 画像デ−タの直交変換符号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3750853D1 true DE3750853D1 (de) | 1995-01-26 |
DE3750853T2 DE3750853T2 (de) | 1995-05-18 |
Family
ID=26351388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3750853T Expired - Fee Related DE3750853T2 (de) | 1986-01-27 | 1987-01-27 | Verfahren zur Bildsignalkodierung mittels Orthogonal-Transformation. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4797944A (de) |
EP (1) | EP0231021B1 (de) |
DE (1) | DE3750853T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3650764T2 (de) * | 1985-12-13 | 2002-07-11 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsgerät |
JPS63190473A (ja) * | 1986-09-25 | 1988-08-08 | Nippon Board Computer Kk | 多階調画像デ−タの情報量圧縮方法及び装置 |
JPS63173485A (ja) * | 1987-01-13 | 1988-07-18 | Toshiba Corp | 画像デ−タ圧縮装置 |
US4959870A (en) * | 1987-05-26 | 1990-09-25 | Ricoh Company, Ltd. | Character recognition apparatus having means for compressing feature data |
JPH0683375B2 (ja) * | 1988-04-05 | 1994-10-19 | 大日本スクリーン製造株式会社 | 圧縮化画像データのブロック歪除去装置 |
FR2640840B1 (fr) * | 1988-12-16 | 1994-02-25 | Thomson Csf | Procede de codage d'une suite d'images, par une transformation et une pluralite de codes a longueur variable, et dispositifs pour la mise en oeuvre de ce procede |
JPH02248161A (ja) * | 1989-03-20 | 1990-10-03 | Fujitsu Ltd | データ伝送方式 |
JP2847525B2 (ja) * | 1989-04-17 | 1999-01-20 | 株式会社日立メデイコ | 画像データ圧縮方法 |
JPH0372779A (ja) * | 1989-08-11 | 1991-03-27 | Fuji Photo Film Co Ltd | 画像データの圧縮伸長方法 |
US4974078A (en) * | 1989-11-13 | 1990-11-27 | Eastman Kodak Company | Digital compression method and system with improved coding efficiency |
US5007001A (en) * | 1990-01-24 | 1991-04-09 | Lloyd Williams Andrew | Method for reordering the pixel map of a digitized image |
US5010402A (en) * | 1990-05-17 | 1991-04-23 | Matsushita Electric Industrial Co., Ltd. | Video signal compression apparatus |
US5115309A (en) * | 1990-09-10 | 1992-05-19 | At&T Bell Laboratories | Method and apparatus for dynamic channel bandwidth allocation among multiple parallel video coders |
EP0495490B1 (de) * | 1991-01-17 | 1998-05-27 | Mitsubishi Denki Kabushiki Kaisha | Vorrichtung zur Kodierung eines Videosignals |
EP0514663A3 (en) * | 1991-05-24 | 1993-07-14 | International Business Machines Corporation | An apparatus and method for motion video encoding employing an adaptive quantizer |
US5982437A (en) * | 1992-10-26 | 1999-11-09 | Sony Corporation | Coding method and system, and decoding method and system |
JP3186413B2 (ja) * | 1994-04-01 | 2001-07-11 | ソニー株式会社 | データ圧縮符号化方法、データ圧縮符号化装置及びデータ記録媒体 |
JP2818129B2 (ja) * | 1995-03-27 | 1998-10-30 | 秋田県 | 情報記録再生方式及びその情報記録再生方式を適用したデータ記録再生装置 |
US6002801A (en) * | 1995-04-18 | 1999-12-14 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selection of IDCT method based on image characteristics |
US5864637A (en) * | 1995-04-18 | 1999-01-26 | Advanced Micro Devices, Inc. | Method and apparatus for improved video decompression by selective reduction of spatial resolution |
JP2827997B2 (ja) * | 1995-12-28 | 1998-11-25 | 日本電気株式会社 | 画像信号のアダマール変換符号化装置および復号装置 |
US6094453A (en) * | 1996-10-11 | 2000-07-25 | Digital Accelerator Corporation | Digital data compression with quad-tree coding of header file |
US6937659B1 (en) * | 1997-11-14 | 2005-08-30 | Ac Capital Management, Inc. | Apparatus and method for compressing video information |
JP3662171B2 (ja) | 2000-06-05 | 2005-06-22 | 三菱電機株式会社 | 符号化装置及び符号化方法 |
US7139440B2 (en) * | 2001-08-25 | 2006-11-21 | Eyesee360, Inc. | Method and apparatus for encoding photographic images |
US7123777B2 (en) * | 2001-09-27 | 2006-10-17 | Eyesee360, Inc. | System and method for panoramic imaging |
US7058239B2 (en) * | 2001-10-29 | 2006-06-06 | Eyesee360, Inc. | System and method for panoramic imaging |
US7326900B2 (en) * | 2002-11-18 | 2008-02-05 | Mitsui Engineering & Shipbuilding Co., Ltd. | Two-dimensional weak radiation detector with a detection means based on orthogonal modulation |
JP4772607B2 (ja) * | 2006-07-10 | 2011-09-14 | パナソニック株式会社 | 2次元直交変換装置、2次元直交変換方法および撮像システム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2251960B1 (de) * | 1973-11-16 | 1977-08-12 | Thomson Csf | |
US4001563A (en) * | 1974-09-17 | 1977-01-04 | Thomson-Csf | Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation |
US3984626A (en) * | 1975-08-01 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Picture signal coder |
DE2706080C2 (de) * | 1977-02-12 | 1986-10-23 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur adaptiven Quantisierung von Transformationskoeffizienten eines Bildes und Anordnung zum Durchführen des Verfahrens |
FR2494529B1 (fr) * | 1980-11-17 | 1986-02-07 | France Etat | Systeme de transmission numerique a codage adaptatif d'informations analogiques echantillonnees et transformees par transformation orthogonale |
EP0123616B1 (de) * | 1983-04-20 | 1987-03-04 | Nippon Telegraph And Telephone Corporation | Verfahren und Vorrichtung zur Zwischenbildkodierung |
JPS59200592A (ja) * | 1983-04-27 | 1984-11-13 | Fuji Photo Film Co Ltd | カラ−画像の適応形圧縮方式 |
JPS604383A (ja) * | 1983-06-22 | 1985-01-10 | Matsushita Electric Ind Co Ltd | テレビジヨン信号デジタル磁気記録再生装置 |
US4684923A (en) * | 1984-09-17 | 1987-08-04 | Nec Corporation | Encoder with selective indication of compression encoding and decoder therefor |
-
1987
- 1987-01-27 EP EP87101107A patent/EP0231021B1/de not_active Expired - Lifetime
- 1987-01-27 DE DE3750853T patent/DE3750853T2/de not_active Expired - Fee Related
- 1987-01-27 US US07/007,143 patent/US4797944A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0231021A3 (en) | 1988-08-24 |
DE3750853T2 (de) | 1995-05-18 |
US4797944A (en) | 1989-01-10 |
EP0231021A2 (de) | 1987-08-05 |
EP0231021B1 (de) | 1994-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |