DE69228442D1 - Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung - Google Patents

Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung

Info

Publication number
DE69228442D1
DE69228442D1 DE69228442T DE69228442T DE69228442D1 DE 69228442 D1 DE69228442 D1 DE 69228442D1 DE 69228442 T DE69228442 T DE 69228442T DE 69228442 T DE69228442 T DE 69228442T DE 69228442 D1 DE69228442 D1 DE 69228442D1
Authority
DE
Germany
Prior art keywords
luminance
image data
data compression
chrominance coding
chrominance
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 - Lifetime
Application number
DE69228442T
Other languages
English (en)
Other versions
DE69228442T2 (de
Inventor
Charles Coleman
Sidney Miller
Peter Smidth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of DE69228442D1 publication Critical patent/DE69228442D1/de
Application granted granted Critical
Publication of DE69228442T2 publication Critical patent/DE69228442T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H04N11/042—Codec means
    • H04N11/044—Codec means involving 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components 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
    • H04N19/134—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
DE69228442T 1991-12-20 1992-12-17 Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung Expired - Lifetime DE69228442T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/811,486 US5434623A (en) 1991-12-20 1991-12-20 Method and apparatus for image data compression using combined luminance/chrominance coding
PCT/US1992/010922 WO1993013628A1 (en) 1991-12-20 1992-12-17 Method and apparatus for image data compression using combined luminance/chrominance coding

Publications (2)

Publication Number Publication Date
DE69228442D1 true DE69228442D1 (de) 1999-03-25
DE69228442T2 DE69228442T2 (de) 1999-09-30

Family

ID=25206677

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228442T Expired - Lifetime DE69228442T2 (de) 1991-12-20 1992-12-17 Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung

Country Status (7)

Country Link
US (1) US5434623A (de)
EP (1) EP0619059B1 (de)
CN (1) CN1078841A (de)
AU (1) AU3325593A (de)
DE (1) DE69228442T2 (de)
MX (1) MX9207363A (de)
WO (1) WO1993013628A1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06165151A (ja) * 1992-11-25 1994-06-10 Matsushita Electric Ind Co Ltd 映像符号量制御装置
DE69430147T2 (de) 1993-04-09 2002-10-24 Sony Corp Bildkodierungsverfahren, und -vorrichtung
US5703646A (en) * 1993-04-09 1997-12-30 Sony Corporation Picture encoding method, picture encoding apparatus and picture recording medium
FR2708168B1 (fr) * 1993-07-20 1995-08-25 Thomson Consumer Electronics Procédé et dispositif d'estimation d'un budget de bits pour encodeurs à longueur de mot variable.
WO1995013682A1 (en) * 1993-11-08 1995-05-18 Sony Corporation Animation encoding method, animation decoding method, animation recording medium and animation encoder
EP0660619A1 (de) * 1993-12-22 1995-06-28 Laboratoires D'electronique Philips S.A.S. Verfahren zur variablen Längenkodierung von Bildern und Vorrichtung zur Ausführung eines solchen Verfahrens
JP2853727B2 (ja) * 1994-02-22 1999-02-03 日本ビクター株式会社 再生プロテクト方法及びプロテクト再生装置
FR2718303B1 (fr) * 1994-03-30 1996-07-12 Sgs Thomson Microelectronics Circuit de quantification.
US6055270A (en) * 1994-04-20 2000-04-25 Thomson Cosumer Electronics, Inc. Multiplexer system using constant bit rate encoders
US6456655B1 (en) * 1994-09-30 2002-09-24 Canon Kabushiki Kaisha Image encoding using activity discrimination and color detection to control quantizing characteristics
US5802213A (en) * 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
US6222881B1 (en) * 1994-10-18 2001-04-24 Intel Corporation Using numbers of non-zero quantized transform signals and signal differences to determine when to encode video signals using inter-frame or intra-frame encoding
JPH08317219A (ja) * 1995-05-18 1996-11-29 Mitsubishi Electric Corp 画像圧縮伸長装置
US5686964A (en) * 1995-12-04 1997-11-11 Tabatabai; Ali Bit rate control mechanism for digital image and video data compression
US6337879B1 (en) * 1996-08-14 2002-01-08 Sony Corporation Video data compression apparatus and method of same
US5793427A (en) * 1996-10-11 1998-08-11 Divicom Inc. Processing system with delta-based video data encoding
JPH10164581A (ja) * 1996-12-03 1998-06-19 Sony Corp 画像信号符号化方法及び装置、信号記録媒体
US7269219B1 (en) 1997-02-14 2007-09-11 At&T Corp. Non-linear quantizer for video coding
EP1359766A3 (de) * 1997-02-14 2005-02-16 AT&T Corp. Verfahren zur Erzeugung eines dequantizierten DC-Luminanz oder DC-Chrominanz Koeffizienten
US6347116B1 (en) * 1997-02-14 2002-02-12 At&T Corp. Non-linear quantizer for video coding
KR100610520B1 (ko) 1997-07-08 2006-08-09 소니 가부시끼 가이샤 비디오 데이터 부호화 장치, 비디오 데이터 부호화 방법, 비디오데이터 전송 장치 및 비디오 데이터 기록 매체
JPH11112977A (ja) * 1997-09-30 1999-04-23 Sharp Corp 画像撮像圧縮システム
US5978029A (en) * 1997-10-10 1999-11-02 International Business Machines Corporation Real-time encoding of video sequence employing two encoders and statistical analysis
US7187805B1 (en) * 1999-11-23 2007-03-06 Xerox Corporation Maximum likelihood estimation of JPEG quantization values
US7099413B2 (en) * 2000-02-07 2006-08-29 At&T Corp. Method for near optimal joint channel estimation and data detection for COFDM systems
US6782135B1 (en) * 2000-02-18 2004-08-24 Conexant Systems, Inc. Apparatus and methods for adaptive digital video quantization
DE60008716T2 (de) * 2000-07-10 2005-02-10 Stmicroelectronics S.R.L., Agrate Brianza Verfahren zur Kompression digitaler Bilder
US7058087B1 (en) * 2001-05-29 2006-06-06 Bigband Networks, Inc. Method and system for prioritized bit rate conversion
US6810086B1 (en) 2001-06-05 2004-10-26 At&T Corp. System and method of filtering noise
US6968006B1 (en) 2001-06-05 2005-11-22 At&T Corp. Method of content adaptive video decoding
US7773670B1 (en) * 2001-06-05 2010-08-10 At+T Intellectual Property Ii, L.P. Method of content adaptive video encoding
US7243295B2 (en) * 2001-06-12 2007-07-10 Intel Corporation Low complexity channel decoders
US7260276B2 (en) * 2004-06-30 2007-08-21 Sharp Laboratories Of America, Inc. Methods and systems for complexity estimation and complexity-based selection
US9055298B2 (en) * 2005-07-15 2015-06-09 Qualcomm Incorporated Video encoding method enabling highly efficient partial decoding of H.264 and other transform coded information
JP4820191B2 (ja) 2006-03-15 2011-11-24 富士通株式会社 動画像符号化装置及びプログラム
US7580166B2 (en) * 2006-09-01 2009-08-25 Infoprint Solutions Company Llc Converting image data in an input color space to an output color space in a transform domain
US7580167B2 (en) * 2006-09-01 2009-08-25 Infoprint Solutions Company Llc Determining whether to convert image data in an input color space to an output color space in a transform domain or real domain
US20080165843A1 (en) * 2007-01-03 2008-07-10 Human Monitoring Ltd. Architecture for image compression in a video hardware
US8019167B2 (en) * 2007-01-03 2011-09-13 Human Monitoring Ltd. Compressing high resolution images in a low resolution video
US20080165859A1 (en) * 2007-01-10 2008-07-10 Chih-Ta Star Sung Method of digital video frame buffer compression
GB2457262A (en) * 2008-02-08 2009-08-12 Linear Algebra Technologies Compression / decompression of data blocks, applicable to video reference frames
FR2945390B1 (fr) * 2009-05-07 2011-07-15 Commissariat Energie Atomique Dispositif et procede de compression d'une image pour capteur d'images.
TWI421798B (zh) * 2010-04-27 2014-01-01 Novatek Microelectronics Corp 影像壓縮之位元率控制方法及其裝置
JP2012054818A (ja) * 2010-09-02 2012-03-15 Sony Corp 画像処理装置と画像処理方法
US9172960B1 (en) 2010-09-23 2015-10-27 Qualcomm Technologies, Inc. Quantization based on statistics and threshold of luminanceand chrominance
US9237344B2 (en) * 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
GB2514397B (en) 2013-05-23 2017-10-11 Linear Algebra Tech Ltd Corner detection
US9727113B2 (en) 2013-08-08 2017-08-08 Linear Algebra Technologies Limited Low power computational imaging
US9910675B2 (en) 2013-08-08 2018-03-06 Linear Algebra Technologies Limited Apparatus, systems, and methods for low power computational imaging
US9146747B2 (en) 2013-08-08 2015-09-29 Linear Algebra Technologies Limited Apparatus, systems, and methods for providing configurable computational imaging pipeline
US11768689B2 (en) 2013-08-08 2023-09-26 Movidius Limited Apparatus, systems, and methods for low power computational imaging
US10001993B2 (en) 2013-08-08 2018-06-19 Linear Algebra Technologies Limited Variable-length instruction buffer management
US9196017B2 (en) 2013-11-15 2015-11-24 Linear Algebra Technologies Limited Apparatus, systems, and methods for removing noise from an image
US9270872B2 (en) 2013-11-26 2016-02-23 Linear Algebra Technologies Limited Apparatus, systems, and methods for removing shading effect from image
FR3046711B1 (fr) * 2016-01-08 2018-02-16 Stmicroelectronics (Grenoble 2) Sas Compression et decompression de donnees video
CN105718513B (zh) * 2016-01-14 2019-11-15 上海大学 jpg文件的压缩方法及解压缩方法
US10460704B2 (en) 2016-04-01 2019-10-29 Movidius Limited Systems and methods for head-mounted display adapted to human visual mechanism
US10264265B1 (en) * 2016-12-05 2019-04-16 Amazon Technologies, Inc. Compression encoding of images
US10681382B1 (en) 2016-12-20 2020-06-09 Amazon Technologies, Inc. Enhanced encoding and decoding of video reference frames
US20200267277A1 (en) * 2017-11-10 2020-08-20 Hewlett-Packard Development Company, L.P. Images to combine original luminance and processed chrominance
US10949947B2 (en) 2017-12-29 2021-03-16 Intel Corporation Foveated image rendering for head-mounted display devices

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175270A (en) * 1970-03-27 1979-11-20 Zenzefilis George E Method and apparatus for recording and reproducing video
US3795763A (en) * 1972-04-18 1974-03-05 Communications Satellite Corp Digital television transmission system
US3803348A (en) * 1973-01-22 1974-04-09 Bell Telephone Labor Inc Method and apparatus for encoding color video signals
FR2305905A1 (fr) * 1975-03-28 1976-10-22 Thomson Brandt Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede
US4023199A (en) * 1976-03-09 1977-05-10 Bell Telephone Laboratories, Incorporated Method and apparatus for encoding color video signals
US4025950A (en) * 1976-05-27 1977-05-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sampling video compression system
GB1597484A (en) * 1977-03-21 1981-09-09 Rca Corp Television picture compressor
US4141034A (en) * 1977-08-19 1979-02-20 Bell Telephone Laboratories, Incorporated Digital encoding of color video signals
US4302775A (en) * 1978-12-15 1981-11-24 Compression Labs, Inc. Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback
US4394774A (en) * 1978-12-15 1983-07-19 Compression Labs, Inc. Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback
US4383272A (en) * 1981-04-13 1983-05-10 Bell Telephone Laboratories, Incorporated Video signal interpolation using motion estimation
GB2103455A (en) * 1981-07-22 1983-02-16 Post Office Method of transmitting an image and apparatus for carrying out the method
US4447886A (en) * 1981-07-31 1984-05-08 Meeker G William Triangle and pyramid signal transforms and apparatus
US4541012A (en) * 1982-01-04 1985-09-10 Compression Labs, Inc. Video bandwidth reduction system employing interframe block differencing and transform domain coding
US4494144A (en) * 1982-06-28 1985-01-15 At&T Bell Laboratories Reduced bandwidth video transmission
US4580134A (en) * 1982-11-16 1986-04-01 Real Time Design, Inc. Color video system using data compression and decompression
DE3483335D1 (de) * 1983-03-18 1990-11-08 Matsushita Electric Ind Co Ltd Videosignalverarbeitungseinrichtung fuer videobandaufzeichnungsgeraete.
US4682248A (en) * 1983-04-19 1987-07-21 Compusonics Video Corporation Audio and video digital recording and playback system
DE3340113A1 (de) * 1983-11-05 1985-05-15 Robert Bosch Gmbh, 7000 Stuttgart System zur speicherung digital codierter signale auf magnetband
FR2575351B1 (fr) * 1984-12-21 1988-05-13 Thomson Csf Procede adaptatif de codage et de decodage d'une suite d'images par transformation, et dispositifs pour la mise en oeuvre de ce procede
US4672427A (en) * 1985-02-08 1987-06-09 American Telephone And Telegraph Company Processing of analog video signals in digital transmission systems
US4654696A (en) * 1985-04-09 1987-03-31 Grass Valley Group, Inc. Video signal format
DE3513074A1 (de) * 1985-04-12 1986-10-23 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur digitalen nachrichtenuebertragung
JPS61271625A (ja) * 1985-05-27 1986-12-01 Hitachi Ltd デイジタルダビング方法
FR2582893B1 (fr) * 1985-06-04 1987-07-17 France Etat Circuit d'elaboration des signaux analogiques de couleurs primaires d'un signal de television a partir de ses composantes numeriques de luminance et de chrominance.
US4626829A (en) * 1985-08-19 1986-12-02 Intelligent Storage Inc. Data compression using run length encoding and statistical encoding
US4797741A (en) * 1985-08-28 1989-01-10 Canon Kabushiki Kaisha Information signal transmission system
JPS62195982A (ja) * 1986-02-24 1987-08-29 Konishiroku Photo Ind Co Ltd カラ−画像デ−タの圧縮方法及びその再生方法
US4802003A (en) * 1986-02-28 1989-01-31 Canon Kabushiki Kaisha Color picture information transmission system
GB2190560B (en) * 1986-05-08 1990-06-20 Gen Electric Plc Data compression
US4679094A (en) * 1986-10-14 1987-07-07 The Associated Press Method for compression and transmission of video information
US4740832A (en) * 1986-10-14 1988-04-26 Technology, Inc., 64 Image storage using separately scanned luminance and chrominance variables
US4862167A (en) * 1987-02-24 1989-08-29 Hayes Microcomputer Products, Inc. Adaptive data compression method and apparatus
US4764805A (en) * 1987-06-02 1988-08-16 Eastman Kodak Company Image transmission system with line averaging preview mode using two-pass block-edge interpolation
US4774562A (en) * 1987-06-02 1988-09-27 Eastman Kodak Company Image transmission system with preview mode
US4758881A (en) * 1987-06-02 1988-07-19 Eastman Kodak Company Still video frame store memory
US4868653A (en) * 1987-10-05 1989-09-19 Intel Corporation Adaptive digital video compression system
FR2625399A1 (fr) * 1987-12-23 1989-06-30 Radiotechnique Ind & Comm Dispositif de regulation de debit conjointe a au moins deux composantes de signaux video numeriques
US4849807A (en) * 1988-04-27 1989-07-18 Universal Video Communications Corp. Method and system for compressing color video feature encoded data
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
US4857991A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing color video feature encoded data
JPH02226886A (ja) * 1989-02-28 1990-09-10 Sony Corp データ伝送装置及び伝送方法
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
US5185655A (en) * 1991-10-02 1993-02-09 Tandy Corporation Method and apparatus for encoding full color video data signals and protocol for encoding same

Also Published As

Publication number Publication date
EP0619059A1 (de) 1994-10-12
EP0619059B1 (de) 1999-02-17
US5434623A (en) 1995-07-18
AU3325593A (en) 1993-07-28
DE69228442T2 (de) 1999-09-30
CN1078841A (zh) 1993-11-24
WO1993013628A1 (en) 1993-07-08
MX9207363A (es) 1993-06-01

Similar Documents

Publication Publication Date Title
DE69228442D1 (de) Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung
DE69605523T2 (de) Vorrichtung und verfahren zur kodierung von videobildern.
DE69029976D1 (de) Verfahren und Einrichtung zur Bilddatenkompression durch mathematische Transformation
DE69333818D1 (de) Verfahren und Vorrichtung zur Bilddatenkodierung
DE69424909D1 (de) Verfahren und vorrichtung zur bildkodierung
DE69739554D1 (de) Vorrichtung und Verfahren zur Kodierung und Dekodierung von Videobildern
DE69319855T2 (de) Verfahren und Vorrichtung zur Bilddatencodierung
DE69422266T2 (de) Verfahren, Vorrichtung und Schaltung zur Verbesserung von Bewegungskompensation bei digitaler Bildkodierung
DE69222844D1 (de) Verfahren und Gerät zur Bildkompression für Dokumente
DE69428979D1 (de) Einrichtung und verfahren zur kodierung von bilddaten
DE69418510D1 (de) Vorrichtung und Verfahren zur Kompression von Bildsignalen
DE69609503D1 (de) Verfahren und vorrichtung zur kompression von farbvideodaten
DE69327928D1 (de) Vorrichtung zur Kodierung von unbeweglichen Bildern
DE69838653D1 (de) Verfahren und Vorrichtung zur Kompressionskodierung von Farbbilddaten und digitale Kamera dafür
DE69415158T2 (de) Verfahren und vorrichtung zur skalierbaren bildsignalkomprimierung
DE69212124D1 (de) Verfahren und Einrichtung zur Bildkodierung
DE69609137T2 (de) Vorrichtung und verfahren zur kodierung von videobildern.
DE69421795D1 (de) Vorrichtung und verfahren zur kodierung von bildern
DE69025741T2 (de) Vorrichtung und Verfahren zur Umsetzung von kinematographischen Bildern in Videosignalen
DE69534054D1 (de) Verfahren und Vorrichtung zur Bilddatenkompression
DE69421252D1 (de) Verfahren und Vorrichtung zur Bilddatenkodierung und -kompression
DE69210274T2 (de) Verfahren und Vorrichtung zur Kodierung von digitalen Bilddaten
DE69610987T2 (de) Verfahren und vorrichtung zur kompression von digitalen bilddaten
DE69329510D1 (de) Verfahren und Gerät zur Bilddatenkompression und -dekompression
DE69603924D1 (de) Vorrichtung und verfahren zur kodierung von videobildern