FR2738441B1 - Dispositif et procede de codage de signal d'image - Google Patents
Dispositif et procede de codage de signal d'imageInfo
- Publication number
- FR2738441B1 FR2738441B1 FR9610480A FR9610480A FR2738441B1 FR 2738441 B1 FR2738441 B1 FR 2738441B1 FR 9610480 A FR9610480 A FR 9610480A FR 9610480 A FR9610480 A FR 9610480A FR 2738441 B1 FR2738441 B1 FR 2738441B1
- Authority
- FR
- France
- Prior art keywords
- image signal
- coding device
- signal coding
- image
- signal
- 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
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
- H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction 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
- H04N19/102—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
- H04N19/60—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
- H04N19/102—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Signal Processing For Recording (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950026935A KR100188934B1 (ko) | 1995-08-28 | 1995-08-28 | 영상 신호 부호화 장치 및 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2738441A1 FR2738441A1 (fr) | 1997-03-07 |
| FR2738441B1 true FR2738441B1 (fr) | 1999-01-08 |
Family
ID=19424736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9610480A Expired - Fee Related FR2738441B1 (fr) | 1995-08-28 | 1996-08-27 | Dispositif et procede de codage de signal d'image |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5832130A (fr) |
| JP (1) | JP2952196B2 (fr) |
| KR (1) | KR100188934B1 (fr) |
| CN (1) | CN1154368C (fr) |
| DE (1) | DE19634600A1 (fr) |
| FR (1) | FR2738441B1 (fr) |
| GB (1) | GB2305056B (fr) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2820096B2 (ja) * | 1996-01-10 | 1998-11-05 | 日本電気株式会社 | 符号化方式および復号方式 |
| GB9622725D0 (en) * | 1996-10-31 | 1997-01-08 | Sgs Thomson Microelectronics | A method and circuitry for compressing and decompressing digital data |
| US7289723B2 (en) | 1997-12-12 | 2007-10-30 | Kabushiki Kaisha Toshiba | Digital recording system using variable recording rate |
| US6584154B1 (en) * | 1998-11-26 | 2003-06-24 | Oki Electric Industry Co., Ltd. | Moving-picture coding and decoding method and apparatus with reduced computational cost |
| US6721456B1 (en) | 2000-02-23 | 2004-04-13 | International Business Machines Corporation | Color image data and control bit compression scheme with run length encoding |
| US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
| US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
| US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
| US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
| US7454073B2 (en) | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
| US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
| US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
| US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
| US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
| US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
| US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
| JP4794987B2 (ja) * | 2005-11-09 | 2011-10-19 | キヤノン株式会社 | 映像信号処理装置 |
| US7242328B1 (en) * | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
| JP4337911B2 (ja) * | 2007-05-24 | 2009-09-30 | ソニー株式会社 | 撮像装置、撮像回路、および撮像方法 |
| CN102158699B (zh) * | 2011-03-28 | 2012-12-12 | 广州市聚晖电子科技有限公司 | 一种带有图像增强功能的嵌入式视频压缩编码系统 |
| WO2013086724A1 (fr) | 2011-12-15 | 2013-06-20 | Mediatek Singapore Pte. Ltd. | Procédé d'écrêtage de coefficients transformés avant déquantification |
| US10333547B2 (en) | 2012-08-13 | 2019-06-25 | Gurologic Microsystems Oy | Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations |
| US9258389B2 (en) | 2012-08-13 | 2016-02-09 | Gurulogic Microsystems Oy | Encoder and method |
| GB2503295B (en) | 2012-08-13 | 2014-08-06 | Gurulogic Microsystems Oy | Encoder and method |
| US10412414B2 (en) | 2012-08-13 | 2019-09-10 | Gurulogic Microsystems Oy | Decoder and method for decoding encoded input data containing a plurality of blocks or packets |
| GB2505169B (en) | 2012-08-13 | 2016-03-16 | Gurulogic Microsystems Oy | decoder and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0401854B1 (fr) * | 1989-06-09 | 1997-08-06 | Matsushita Electric Industrial Co., Ltd. | Dispositif pour codage par transformation orthogonale |
| EP0475251B1 (fr) * | 1990-09-10 | 1997-03-26 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de codage pour des données d'image numériques |
| KR0176448B1 (ko) * | 1991-07-19 | 1999-05-01 | 강진구 | 이미지 코딩 방법 및 장치 |
| JPH05236427A (ja) * | 1992-02-25 | 1993-09-10 | Sony Corp | 画像信号の符号化装置及び符号化方法 |
| KR0160610B1 (ko) * | 1992-04-07 | 1999-01-15 | 강진구 | 가변장부호화에 의한 영상압축방법과 신장방법 및 그 장치 |
| EP0618733B1 (fr) * | 1993-03-29 | 2000-05-24 | Canon Kabushiki Kaisha | Méthode de contrôle de la quantité de données et codeur la mettant en oeuvre |
| JP2979900B2 (ja) * | 1993-05-26 | 1999-11-15 | 日本ビクター株式会社 | 記録媒体 |
| JPH07212710A (ja) * | 1994-01-21 | 1995-08-11 | Hitachi Ltd | 画像送信方法および画像送信装置および画像受信方法および画像受信装置および可変速度対応蓄積装置 |
-
1995
- 1995-08-28 KR KR1019950026935A patent/KR100188934B1/ko not_active Expired - Fee Related
-
1996
- 1996-08-22 GB GB9617633A patent/GB2305056B/en not_active Expired - Fee Related
- 1996-08-27 FR FR9610480A patent/FR2738441B1/fr not_active Expired - Fee Related
- 1996-08-27 DE DE1996134600 patent/DE19634600A1/de not_active Withdrawn
- 1996-08-27 JP JP22565596A patent/JP2952196B2/ja not_active Expired - Fee Related
- 1996-08-28 CN CNB961133333A patent/CN1154368C/zh not_active Expired - Fee Related
- 1996-08-28 US US08/705,864 patent/US5832130A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE19634600A1 (de) | 1997-03-06 |
| GB9617633D0 (en) | 1996-10-02 |
| GB2305056A (en) | 1997-03-26 |
| GB2305056B (en) | 2000-04-12 |
| CN1154368C (zh) | 2004-06-16 |
| CN1150740A (zh) | 1997-05-28 |
| FR2738441A1 (fr) | 1997-03-07 |
| JPH09191448A (ja) | 1997-07-22 |
| JP2952196B2 (ja) | 1999-09-20 |
| KR100188934B1 (ko) | 1999-06-01 |
| US5832130A (en) | 1998-11-03 |
| KR970014349A (ko) | 1997-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2738441B1 (fr) | Dispositif et procede de codage de signal d'image | |
| EP0759678A4 (fr) | Methode et dispositif de codage de signaux-images | |
| FR2743229B1 (fr) | Procede et dispositif de decodage d'un signal code | |
| EP0851690A4 (fr) | Dispositif et procede de traitement d'images et dispositif et procede de codage d'images | |
| EP0663778A3 (fr) | Méthode de codage d'image et dispositif correspondant. | |
| FR2740598B1 (fr) | Dispositif d'affichage et procede d'excitation de celui-ci | |
| EP0821569A4 (fr) | Dispositif de fixation et procede d'installation | |
| EP0815416A4 (fr) | Dispositif et procede d'indication de la dispersion d'une substance | |
| EP0877530A4 (fr) | Procede de codage et de decodage d'images numeriques et dispositif de codage et de decodage d'images numeriques utilisant ce procede | |
| EP0613303A3 (fr) | Appareil et méthode de compression de signal d'image. | |
| FR2661061B1 (fr) | Procede et dispositif de modification de zone d'images. | |
| EP0926898A4 (fr) | Dispositif et procede de codage, de decodage et de traitement d'image | |
| FR2762825B1 (fr) | Procede et dispositif de raccordement de navires | |
| EP0779574A4 (fr) | Processeur d'informations et procede de visualisation de l'information | |
| EP0747683A3 (fr) | Dispositif de détection d'image infrarouge | |
| EP0905981A4 (fr) | Procede et dispositif de codage du signal video | |
| FR2736883B1 (fr) | Procede de blocage du demarrage et dispositif de blocage du demarrage | |
| EP0853291A4 (fr) | Procede et dispositif de traitement de l'information | |
| FR2745679B1 (fr) | Procede et dispositif de decodage d'images numeriques | |
| EP0660614A4 (fr) | Procede et dispositif de decodage d'images et procede et dispositif de codage d'images. | |
| FR2748337B1 (fr) | Procede de traitement d'erreur de perception et dispositif de codage d'image l'utilisant | |
| FR2752653B1 (fr) | Dispositif de detection d'image et procede de correction de nuance | |
| EP0987898A4 (fr) | Procede et dispositif de codage et de decodage d'images | |
| EP0767586A4 (fr) | Procede et dispositif de codage d'image animee | |
| FR2755564B1 (fr) | Procede et dispositif de codage de donnees d'images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20100430 |