CA2048882A1 - Methode et appareil de traitement de donnees d'imagerie - Google Patents
Methode et appareil de traitement de donnees d'imagerieInfo
- Publication number
- CA2048882A1 CA2048882A1 CA2048882A CA2048882A CA2048882A1 CA 2048882 A1 CA2048882 A1 CA 2048882A1 CA 2048882 A CA2048882 A CA 2048882A CA 2048882 A CA2048882 A CA 2048882A CA 2048882 A1 CA2048882 A1 CA 2048882A1
- Authority
- CA
- Canada
- Prior art keywords
- image
- image data
- transform coefficient
- quantized transform
- dimensional quantized
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
- H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
-
- 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
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/93—Run-length 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
- H04N19/124—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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02-213379 | 1990-08-10 | ||
JP21337990A JP2839943B2 (ja) | 1990-08-10 | 1990-08-10 | 画像データ復元方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2048882A1 true CA2048882A1 (fr) | 1992-02-11 |
CA2048882C CA2048882C (fr) | 1996-11-12 |
Family
ID=16638223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2048882 Expired - Fee Related CA2048882C (fr) | 1990-08-10 | 1991-08-09 | Methode et appareil de traitement de donnees d'imagerie |
Country Status (6)
Country | Link |
---|---|
US (1) | US5369502A (fr) |
EP (2) | EP0470851B1 (fr) |
JP (1) | JP2839943B2 (fr) |
KR (1) | KR940009117B1 (fr) |
CA (1) | CA2048882C (fr) |
DE (2) | DE69128054T2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0121328B1 (ko) * | 1991-12-13 | 1997-11-17 | 사또오 후미오 | 디지탈 신호 기록 재생 장치 |
JPH06141185A (ja) * | 1992-10-26 | 1994-05-20 | Nec Corp | 画像間引き装置 |
JP3007235B2 (ja) * | 1992-11-10 | 2000-02-07 | 富士写真フイルム株式会社 | 可変長符号の伸長装置および圧縮伸長装置 |
JPH08163594A (ja) * | 1994-12-12 | 1996-06-21 | Sony Corp | 動画像復号化方法及び動画像復号化装置 |
US6339614B1 (en) * | 1996-12-20 | 2002-01-15 | Intel Corporation | Method and apparatus for quantizing and run length encoding transform coefficients in a video coder |
JP4527322B2 (ja) * | 2001-07-25 | 2010-08-18 | 日本電気株式会社 | 画像検索装置、画像検索方法、及び画像検索用プログラム |
US6714203B1 (en) * | 2002-03-19 | 2004-03-30 | Aechelon Technology, Inc. | Data aware clustered architecture for an image generator |
JP4486847B2 (ja) * | 2003-06-16 | 2010-06-23 | オセ−テクノロジーズ・ベー・ヴエー | 圧縮画像から中間調画像を作成する方法と装置 |
JP4725127B2 (ja) * | 2005-02-16 | 2011-07-13 | ソニー株式会社 | 復号装置および方法、記録媒体、並びにプログラム |
JP6210368B2 (ja) * | 2012-09-18 | 2017-10-11 | サン パテント トラスト | 画像復号方法および画像復号装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2962722B2 (ja) * | 1988-02-22 | 1999-10-12 | キヤノン株式会社 | 復号装置 |
JPH0683442B2 (ja) * | 1988-05-16 | 1994-10-19 | 日本電気株式会社 | 画像信号の符号化方式とその装置 |
JPH02161874A (ja) * | 1988-05-16 | 1990-06-21 | Nec Corp | 画像信号の符号化方法とその装置 |
JP2826321B2 (ja) * | 1988-07-23 | 1998-11-18 | 日本電気株式会社 | 直交変換符号化装置 |
JPH0810935B2 (ja) * | 1988-12-09 | 1996-01-31 | 富士写真フイルム株式会社 | 画像信号圧縮符号化装置および伸長再生装置 |
JP2571274B2 (ja) * | 1989-02-14 | 1997-01-16 | 富士通株式会社 | 符号データ格納・読出方式 |
US4954892A (en) * | 1989-02-14 | 1990-09-04 | Mitsubishi Denki Kabushiki Kaisha | Buffer controlled picture signal encoding and decoding system |
JPH02274028A (ja) * | 1989-04-17 | 1990-11-08 | Nec Corp | 画像伝送方法 |
US5121216A (en) * | 1989-07-19 | 1992-06-09 | Bell Communications Research | Adaptive transform coding of still images |
JPH0832039B2 (ja) * | 1989-08-19 | 1996-03-27 | 日本ビクター株式会社 | 可変長符号化方法及びその装置 |
US5150432A (en) * | 1990-03-26 | 1992-09-22 | Kabushiki Kaisha Toshiba | Apparatus for encoding/decoding video signals to improve quality of a specific region |
KR930011694B1 (ko) * | 1991-03-27 | 1993-12-18 | 삼성전자 주식회사 | 디지탈 영상 데이타의 압축방식 및 장치 |
-
1990
- 1990-08-10 JP JP21337990A patent/JP2839943B2/ja not_active Expired - Fee Related
-
1991
- 1991-08-09 DE DE1991628054 patent/DE69128054T2/de not_active Expired - Fee Related
- 1991-08-09 CA CA 2048882 patent/CA2048882C/fr not_active Expired - Fee Related
- 1991-08-09 EP EP19910307336 patent/EP0470851B1/fr not_active Expired - Lifetime
- 1991-08-09 EP EP19970103965 patent/EP0786903B1/fr not_active Expired - Lifetime
- 1991-08-09 DE DE1991632552 patent/DE69132552T2/de not_active Expired - Fee Related
- 1991-08-10 KR KR1019910013815A patent/KR940009117B1/ko not_active IP Right Cessation
-
1994
- 1994-03-21 US US08/210,748 patent/US5369502A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0786903A2 (fr) | 1997-07-30 |
EP0786903B1 (fr) | 2001-03-07 |
JP2839943B2 (ja) | 1998-12-24 |
EP0786903A3 (fr) | 1997-10-29 |
CA2048882C (fr) | 1996-11-12 |
DE69128054D1 (de) | 1997-12-04 |
EP0470851A2 (fr) | 1992-02-12 |
KR940009117B1 (ko) | 1994-09-29 |
EP0470851A3 (en) | 1993-06-09 |
EP0470851B1 (fr) | 1997-10-29 |
JPH0495469A (ja) | 1992-03-27 |
US5369502A (en) | 1994-11-29 |
DE69132552D1 (de) | 2001-04-12 |
DE69128054T2 (de) | 1998-02-26 |
DE69132552T2 (de) | 2001-06-21 |
KR920005014A (ko) | 1992-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5917609A (en) | Hybrid waveform and model-based encoding and decoding of image signals | |
EP0396368B1 (fr) | Système adaptable à perception de codage d'image | |
US5490233A (en) | Method and apparatus for reducing correlated errors in subband coding systems with quantizers | |
CA2053844A1 (fr) | Appareil de traitement de donnees d'imagerie | |
EP0797358B1 (fr) | Procédé de balayage adaptatif pour un codage de données vidéo par ondelettes | |
MY110794A (en) | Inverse discrete cosine transform method, inverse discrete transform apparatus, coding apparatus for moving picture, information recording medium, and transmitting apparatus | |
US6587507B1 (en) | System and method for encoding video data using computationally efficient adaptive spline wavelets | |
GB2354662A (en) | Image compression using directional predictive coding of the wavelet coefficients | |
EP1009168A3 (fr) | Dispositif et procédé de traitement d'images, et support d'enregistrement | |
WO2002050769A2 (fr) | Procede permettant d'appliquer une transformee dynamique en ondelettes 3d pour une compression video | |
CA2048882A1 (fr) | Methode et appareil de traitement de donnees d'imagerie | |
US5802369A (en) | Energy-based wavelet system and method for signal compression and reconstruction | |
US6393156B1 (en) | Enhanced transform compatibility for standardized data compression | |
EP1001604B1 (fr) | Incrustation d'un filigrane dans un signal d'image comprimé | |
US5426673A (en) | Discrete cosine transform-based image coding and decoding method | |
KR960036756A (ko) | 벡터 양자화 방식을 이용한 영상 신호 부호화 장치 | |
US5957998A (en) | Discrete cosine transform method | |
CA2131980A1 (fr) | Dispositif de compression d'images, dispositif de reproduction d'images et dispositif de dessin d'images | |
EP0926899A3 (fr) | Appareil et méthode pour la décompression d'image | |
JPH05236428A (ja) | 画像データ記録・送信装置 | |
Van Assche et al. | Lossless compression of pre-press images using a novel colour decorrelation technique | |
KR960006619A (ko) | 적응적인 고속재생 조절을 위한 화상 부호화장치 및 고속재생방법 | |
JPH01251973A (ja) | 映像信号の直交変換符号化装置および直交逆変換復号装置 | |
KR0185845B1 (ko) | 웨이브렛 변환기를 이용한 계층 부호화기 | |
Mohsenian et al. | Edge-based subband image coding technique for encoding the upper-frequency bands |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |