NO20080533L - Forutsigelse av transformasjonskoeffisienter for bildekomprimering - Google Patents

Forutsigelse av transformasjonskoeffisienter for bildekomprimering

Info

Publication number
NO20080533L
NO20080533L NO20080533A NO20080533A NO20080533L NO 20080533 L NO20080533 L NO 20080533L NO 20080533 A NO20080533 A NO 20080533A NO 20080533 A NO20080533 A NO 20080533A NO 20080533 L NO20080533 L NO 20080533L
Authority
NO
Norway
Prior art keywords
transformation
directional
coefficients
step transformation
macroblock
Prior art date
Application number
NO20080533A
Other languages
English (en)
Norwegian (no)
Inventor
Sridhar Srinivasan
Chengjie Tu
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Publication of NO20080533L publication Critical patent/NO20080533L/no

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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/10—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/18—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
    • H04N19/10—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
NO20080533A 2005-08-12 2008-01-29 Forutsigelse av transformasjonskoeffisienter for bildekomprimering NO20080533L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/203,009 US7933337B2 (en) 2005-08-12 2005-08-12 Prediction of transform coefficients for image compression
PCT/US2006/030563 WO2007021613A2 (en) 2005-08-12 2006-08-03 Prediction of transform coefficients for image compression

Publications (1)

Publication Number Publication Date
NO20080533L true NO20080533L (no) 2008-05-09

Family

ID=37742497

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20080533A NO20080533L (no) 2005-08-12 2008-01-29 Forutsigelse av transformasjonskoeffisienter for bildekomprimering

Country Status (16)

Country Link
US (1) US7933337B2 (ko)
EP (1) EP1922874B1 (ko)
JP (1) JP5065272B2 (ko)
KR (1) KR101247042B1 (ko)
CN (1) CN101243685B (ko)
AU (1) AU2006280178B2 (ko)
BR (1) BRPI0614766A2 (ko)
CA (1) CA2617632C (ko)
IL (1) IL189127A0 (ko)
MX (1) MX2008001852A (ko)
MY (1) MY145286A (ko)
NO (1) NO20080533L (ko)
NZ (1) NZ565593A (ko)
RU (1) RU2406255C2 (ko)
TW (1) TWI412265B (ko)
WO (1) WO2007021613A2 (ko)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8532176B2 (en) * 2006-07-10 2013-09-10 Sharp Laboratories Of America, Inc. Methods and systems for combining layers in a multi-layer bitstream
FR2906433B1 (fr) * 2006-09-22 2009-02-27 Canon Kk Procedes et dispositifs de codage et de decodage d'images, programme d'ordinateur les mettant en oeuvre et support d'informaton permettant de les mettre en oeuvre
BRPI0717639A2 (pt) 2006-10-30 2013-11-12 Nippon Telegraph & Telephone Método de geração de informações de referência preditas, métodos de codificação de decodificação de vídeo, aparelhos destinados aos mesmos, programas destinados aos mesmos, e mídias de armazenamento que armazenam os programas
JP4761566B2 (ja) * 2006-12-13 2011-08-31 キヤノン株式会社 画像処理装置及びその方法とプログラム及び媒体
US8571104B2 (en) * 2007-06-15 2013-10-29 Qualcomm, Incorporated Adaptive coefficient scanning in video coding
US8488668B2 (en) * 2007-06-15 2013-07-16 Qualcomm Incorporated Adaptive coefficient scanning for video coding
US8819095B2 (en) 2007-08-28 2014-08-26 Qualcomm Incorporated Fast computation of products by dyadic fractions with sign-symmetric rounding errors
TWI370690B (en) * 2008-03-21 2012-08-11 Novatek Microelectronics Corp Method and apparatus for generating coded block pattern for highpass coeffecients
TWI349487B (en) * 2008-03-25 2011-09-21 Novatek Microelectronics Corp Entropy encoding circuit and encoding method thereof
JP5061330B2 (ja) * 2008-05-12 2012-10-31 株式会社メガチップス 画像処理装置
US8369638B2 (en) * 2008-05-27 2013-02-05 Microsoft Corporation Reducing DC leakage in HD photo transform
US8447591B2 (en) * 2008-05-30 2013-05-21 Microsoft Corporation Factorization of overlapping tranforms into two block transforms
KR101361005B1 (ko) * 2008-06-24 2014-02-13 에스케이 텔레콤주식회사 인트라 예측 방법 및 장치와 그를 이용한 영상부호화/복호화 방법 및 장치
JP5015088B2 (ja) * 2008-08-06 2012-08-29 株式会社リコー 画像処理装置、画像処理方法、コンピュータプログラム、及び、情報記録媒体
WO2010041858A2 (en) 2008-10-06 2010-04-15 Lg Electronics Inc. A method and an apparatus for decoding a video signal
US8275209B2 (en) 2008-10-10 2012-09-25 Microsoft Corporation Reduced DC gain mismatch and DC leakage in overlap transform processing
WO2010131903A2 (en) * 2009-05-12 2010-11-18 Lg Electronics Inc. Method and apparatus for processing a video signal
JPWO2011016250A1 (ja) * 2009-08-06 2013-01-10 パナソニック株式会社 符号化方法、復号方法、符号化装置及び復号装置
KR20120046725A (ko) * 2009-08-06 2012-05-10 파나소닉 주식회사 부호화 방법, 복호 방법, 부호화 장치 및 복호 장치
CN102577131A (zh) * 2009-08-06 2012-07-11 松下电器产业株式会社 编码方法、解码方法、编码装置及解码装置
KR20110015356A (ko) * 2009-08-07 2011-02-15 한국전자통신연구원 차분 신호의 특성에 기반한 적응적인 변환 부호화/양자화 영역을 이용한 동영상 부호화/복호화 장치 및 그 방법
US20110090952A1 (en) * 2009-10-21 2011-04-21 Cohen Robert A Directional Transforms for Video and Image Coding
WO2011088592A1 (en) * 2010-01-22 2011-07-28 Thomson Licensing Method and device for encoding an image block of an image and corresponding decoding method and device
WO2011088594A1 (en) 2010-01-25 2011-07-28 Thomson Licensing Video encoder, video decoder, method for video encoding and method for video decoding, separately for each colour plane
US8848779B2 (en) * 2010-07-15 2014-09-30 Sharp Laboratories Of America, Inc. Method of parallel video coding based on block size
CN102447895B (zh) 2010-09-30 2013-10-02 华为技术有限公司 扫描方法及装置、反扫描方法及装置
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
KR101572535B1 (ko) * 2011-06-30 2015-11-27 후아웨이 테크놀러지 컴퍼니 리미티드 합성 비디오에서의 무손실 코딩 및 관련 시그널링 방법
CA2842489C (en) * 2011-07-21 2016-09-27 Blackberry Limited Adaptive filtering based on pattern information
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
AU2012232992A1 (en) 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
US9602841B2 (en) * 2012-10-30 2017-03-21 Texas Instruments Incorporated System and method for decoding scalable video coding
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10623774B2 (en) 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
WO2018041843A1 (en) * 2016-08-29 2018-03-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for Encoding, and Decoder for Decoding, a Digital Image Representation into a Data Stream using Indicating a Number of Leading Zero Bit Planes
EP3291559A1 (en) * 2016-08-29 2018-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for encoding, and decoder for decoding, a 2-dimensional digital image representation into a data stream using further encoding of one or more remaining bits below the quantization factor
US9996949B2 (en) * 2016-10-21 2018-06-12 Disney Enterprises, Inc. System and method of presenting views of a virtual space
US11323748B2 (en) 2018-12-19 2022-05-03 Qualcomm Incorporated Tree-based transform unit (TU) partition for video coding

Family Cites Families (156)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420771A (en) 1981-02-09 1983-12-13 Bell Telephone Laboratories, Incorporated Technique for encoding multi-level signals
ATE108587T1 (de) * 1986-09-13 1994-07-15 Philips Nv Verfahren und schaltungsanordung zur bitratenreduktion.
US4730348A (en) * 1986-09-19 1988-03-08 Adaptive Computer Technologies Adaptive data compression system
US4698672A (en) * 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy
US4968135A (en) 1987-08-17 1990-11-06 Digital Equipment Corporation System for producing pixel image data from CCITT encoded pixel data
US4792981A (en) 1987-09-21 1988-12-20 Am International, Inc. Manipulation of run-length encoded images
US4813056A (en) * 1987-12-08 1989-03-14 General Electric Company Modified statistical coding of digital signals
EP0339589A3 (en) * 1988-04-28 1992-01-02 Sharp Kabushiki Kaisha Orthogonal transform coding system for image data
US5043919A (en) * 1988-12-19 1991-08-27 International Business Machines Corporation Method of and system for updating a display unit
DE3943880B4 (de) 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
FR2646978B1 (fr) * 1989-05-11 1991-08-23 France Etat Procede et installation a codage de signaux sonores
US5179442A (en) * 1989-06-02 1993-01-12 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5128758A (en) * 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
JPH0360293A (ja) * 1989-07-28 1991-03-15 Victor Co Of Japan Ltd 映像信号圧縮方法および装置ならびに映像信号伸長方法および装置
US5270832A (en) 1990-03-14 1993-12-14 C-Cube Microsystems System for compression and decompression of video data using discrete cosine transform and coding techniques
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JPH04199981A (ja) * 1990-11-29 1992-07-21 Nec Corp 即時処理型１次元符号器
US5266941A (en) 1991-02-15 1993-11-30 Silicon Graphics, Inc. Apparatus and method for controlling storage of display information in a computer system
JP2670201B2 (ja) * 1991-08-30 1997-10-29 富士写真フイルム株式会社 画像データ圧縮符号化装置および方法
JP2586260B2 (ja) * 1991-10-22 1997-02-26 三菱電機株式会社 適応的ブロッキング画像符号化装置
JP3134424B2 (ja) 1991-10-31 2001-02-13 ソニー株式会社 可変長符号化方法及び装置
US5227878A (en) * 1991-11-15 1993-07-13 At&T Bell Laboratories Adaptive coding and decoding of frames and fields of video
DE69228983T2 (de) * 1991-12-18 1999-10-28 Koninkl Philips Electronics Nv System zum Übertragen und/oder Speichern von Signalen von texturierten Bildern
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
US5227788A (en) * 1992-03-02 1993-07-13 At&T Bell Laboratories Method and apparatus for two-component signal compression
EP0559348A3 (en) * 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
KR950010913B1 (ko) * 1992-07-23 1995-09-25 삼성전자주식회사 가변장부호화 및 복호화시스템
US5714950A (en) 1992-07-23 1998-02-03 Samsung Electronics Co., Ltd. System for variable-length-coding and variable-length-decoding digitaldata
JP3348310B2 (ja) * 1992-09-28 2002-11-20 ソニー株式会社 動画像符号化方法および動画像符号化装置
CA2107727C (en) * 1992-10-07 1999-06-01 Hiroaki Ueda Synchronous compression and reconstruction system
US5982437A (en) 1992-10-26 1999-11-09 Sony Corporation Coding method and system, and decoding method and system
JP2959916B2 (ja) * 1992-10-28 1999-10-06 松下電器産業株式会社 デジタル・ビデオ・コーダ用のバーサタイルなエスケープ・ラン・レベル・コーダ
KR0166722B1 (ko) * 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
US5467134A (en) 1992-12-22 1995-11-14 Microsoft Corporation Method and system for compressing video data
US5535305A (en) * 1992-12-31 1996-07-09 Apple Computer, Inc. Sub-partitioned vector quantization of probability density functions
US5400075A (en) * 1993-01-13 1995-03-21 Thomson Consumer Electronics, Inc. Adaptive variable length encoder/decoder
US5544286A (en) * 1993-01-29 1996-08-06 Microsoft Corporation Digital video data compression technique
TW224553B (en) 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5376968A (en) 1993-03-11 1994-12-27 General Instrument Corporation Adaptive compression of digital video data using different modes such as PCM and DPCM
EP0645930B1 (en) 1993-04-09 2000-06-14 Sony Corporation Method and apparatus for coding image
US5408234A (en) 1993-04-30 1995-04-18 Apple Computer, Inc. Multi-codebook coding process
ATE211326T1 (de) * 1993-05-31 2002-01-15 Sony Corp Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium
US5664057A (en) * 1993-07-07 1997-09-02 Picturetel Corporation Fixed bit rate speech encoder/decoder
KR0155784B1 (ko) 1993-12-16 1998-12-15 김광호 영상데이타의 적응형 가변장 부호화/복호화방법
US5504591A (en) * 1994-04-25 1996-04-02 Microsoft Corporation System and method for compressing graphic images
US5457495A (en) * 1994-05-25 1995-10-10 At&T Ipm Corp. Adaptive video coder with dynamic bit allocation
US6195465B1 (en) * 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6141446A (en) 1994-09-21 2000-10-31 Ricoh Company, Ltd. Compression and decompression system with reversible wavelets and lossy reconstruction
US5568167A (en) * 1994-09-23 1996-10-22 C-Cube Microsystems, Inc. System for providing antialiased video overlays
JP3474005B2 (ja) 1994-10-13 2003-12-08 沖電気工業株式会社 動画像符号化方法及び動画像復号方法
US5802213A (en) * 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
ATE214524T1 (de) * 1994-11-04 2002-03-15 Koninkl Philips Electronics Nv Kodierung und dekodierung eines breitbandigen digitalen informationssignals
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
US5574449A (en) 1995-02-24 1996-11-12 Intel Corporation Signal processing with hybrid variable-length and entropy encodidng
US5991451A (en) 1995-03-23 1999-11-23 Intel Corporation Variable-length encoding using code swapping
US5884269A (en) * 1995-04-17 1999-03-16 Merging Technologies Lossless compression/decompression of digital audio data
US5864711A (en) 1995-07-05 1999-01-26 Microsoft Corporation System for determining more accurate translation between first and second translator, and providing translated data to second computer if first translator is more accurate
US5825830A (en) * 1995-08-17 1998-10-20 Kopf; David A. Method and apparatus for the compression of audio, video or other data
US5933535A (en) 1995-10-05 1999-08-03 Microsoft Corporation Object-based video compression process employing arbitrarily-shaped features
US5819215A (en) * 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US5896176A (en) * 1995-10-27 1999-04-20 Texas Instruments Incorporated Content-based video compression
US5889891A (en) * 1995-11-21 1999-03-30 Regents Of The University Of California Universal codebook vector quantization with constrained storage
JP3283413B2 (ja) 1995-11-30 2002-05-20 株式会社日立製作所 符号化復号方法、符号化装置および復号装置
JPH09162748A (ja) 1995-12-01 1997-06-20 Fujitsu Ltd データ符号化方法、データ復号方法、データ圧縮装置、データ復元装置、及びデータ圧縮・復元システム
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5831559A (en) 1996-01-24 1998-11-03 Intel Corporation Encoding/decoding video signals using multiple run-val mapping tables
US6957350B1 (en) * 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
US5682152A (en) * 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US6215910B1 (en) 1996-03-28 2001-04-10 Microsoft Corporation Table-based compression with embedded coding
US5850482A (en) 1996-04-17 1998-12-15 Mcdonnell Douglas Corporation Error resilient method and apparatus for entropy coding
KR100324610B1 (ko) * 1996-05-28 2002-02-27 모리시타 요이찌 화상예측 복호화장치 및 방법
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
JP3318825B2 (ja) * 1996-08-20 2002-08-26 ソニー株式会社 デジタル信号符号化処理方法、デジタル信号符号化処理装置、デジタル信号記録方法、デジタル信号記録装置、記録媒体、デジタル信号伝送方法及びデジタル信号伝送装置
US5828426A (en) * 1996-08-20 1998-10-27 Samsung Electronics Co., Ltd. Apparatus for decoding variable length coded data of both MPEG-1 and MPEG-2 standards
US6233017B1 (en) * 1996-09-16 2001-05-15 Microsoft Corporation Multimedia compression system with adaptive block sizes
EP1684530A3 (en) 1996-09-20 2006-08-09 AT&T Corp. Video coder providing implicit coefficient prediction and scan adaption for image coding and intra coding of video
KR100346740B1 (ko) * 1996-09-21 2002-09-18 삼성전자 주식회사 이산코사인변환계수예측방법
KR100346728B1 (ko) * 1996-09-21 2002-10-12 삼성전자 주식회사 이산코사인변환의 dc 계수예측방법 및 이를 이용한 데이터 부호화방법
KR100303685B1 (ko) 1996-09-30 2001-09-24 송문섭 영상 예측부호화 장치 및 그 방법
US5748789A (en) * 1996-10-31 1998-05-05 Microsoft Corporation Transparent block skipping in object-based video coding systems
DE69739536D1 (de) * 1996-11-06 2009-09-24 Panasonic Corp Methode zur Bilddekodierung mit Kodes variabler Länge
CN1179348C (zh) 1996-11-07 2004-12-08 皇家菲利浦电子有限公司 比特流信号的数据处理
KR100518640B1 (ko) 1996-11-11 2005-12-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 라이스인코더/디코더를사용한데이터압축/복원장치및방법
JP3484310B2 (ja) 1997-01-17 2004-01-06 松下電器産業株式会社 可変長符号器
NL1005084C2 (nl) * 1997-01-24 1998-07-27 Oce Tech Bv Werkwijze voor het uitvoeren van een beeldbewerkingsoperatie op looplengte gecodeerde bitmaps.
US6038536A (en) * 1997-01-31 2000-03-14 Texas Instruments Incorporated Data compression using bit change statistics
US6272175B1 (en) * 1997-02-13 2001-08-07 Conexant Systems, Inc. Video signal coding systems and processes using adaptive quantization
US5974184A (en) 1997-03-07 1999-10-26 General Instrument Corporation Intra-macroblock DC and AC coefficient prediction for interlaced digital video
US6005980A (en) * 1997-03-07 1999-12-21 General Instrument Corporation Motion estimation and compensation of video object planes for interlaced digital video
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
US6728775B1 (en) * 1997-03-17 2004-04-27 Microsoft Corporation Multiple multicasting of multimedia streams
US6404813B1 (en) * 1997-03-27 2002-06-11 At&T Corp. Bidirectionally predicted pictures or video object planes for efficient and flexible video coding
US6259810B1 (en) * 1997-04-15 2001-07-10 Microsoft Corporation Method and system of decoding compressed image data
US5883633A (en) * 1997-04-15 1999-03-16 Microsoft Corporation Method and system of variable run length image encoding using sub-palette
US6580834B2 (en) * 1997-05-30 2003-06-17 Competitive Technologies Of Pa, Inc. Method and apparatus for encoding and decoding signals
DE19730129C2 (de) 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
US6421738B1 (en) * 1997-07-15 2002-07-16 Microsoft Corporation Method and system for capturing and encoding full-screen video graphics
JP3884172B2 (ja) 1997-10-02 2007-02-21 株式会社東芝 可変長復号化装置および復号化方法
WO1999022525A1 (en) 1997-10-23 1999-05-06 Mitsubishi Denki Kabushiki Kaisha Image encoding method, image encoder, image decoding method, and image decoder
JPH11161782A (ja) * 1997-11-27 1999-06-18 Seiko Epson Corp カラー画像の符号化方法およびその符号化装置ならびにカラー画像の復号化方法およびその復号化装置
US6111914A (en) * 1997-12-01 2000-08-29 Conexant Systems, Inc. Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes
US5946043A (en) * 1997-12-31 1999-08-31 Microsoft Corporation Video coding using adaptive coding of block parameters for coded/uncoded blocks
US6226407B1 (en) * 1998-03-18 2001-05-01 Microsoft Corporation Method and apparatus for analyzing computer screens
US6054943A (en) * 1998-03-25 2000-04-25 Lawrence; John Clifton Multilevel digital information compression based on lawrence algorithm
US7263127B1 (en) * 1998-04-02 2007-08-28 Intel Corporation Method and apparatus for simplifying frame-based motion estimation
JP2002518916A (ja) 1998-06-19 2002-06-25 イクエーター テクノロジーズ インコーポレイテッド 第１の解像度を有する符号化された形式の画像を第２の解像度を有するデコードされた形式の画像に直接にデコードする回路及び方法
JP3413720B2 (ja) * 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
US6253165B1 (en) * 1998-06-30 2001-06-26 Microsoft Corporation System and method for modeling probability distribution functions of transform coefficients of encoded signal
KR100281967B1 (ko) 1998-08-31 2001-02-15 전주범 공간 상관성을 이용한 영상 부호화 장치 및 그 방법
DE19840835C2 (de) * 1998-09-07 2003-01-09 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Entropiecodieren von Informationswörtern und Vorrichtung und Verfahren zum Decodieren von Entropie-codierten Informationswörtern
JP3723740B2 (ja) * 1998-10-06 2005-12-07 松下電器産業株式会社 ロスレス圧縮符号方法とその装置およびロスレス圧縮復号方法とその装置
US6404931B1 (en) * 1998-12-14 2002-06-11 Microsoft Corporation Code book construction for variable to variable length entropy encoding
US6377930B1 (en) * 1998-12-14 2002-04-23 Microsoft Corporation Variable to variable length entropy encoding
US6223162B1 (en) * 1998-12-14 2001-04-24 Microsoft Corporation Multi-level run length coding for frequency-domain audio coding
US6300888B1 (en) 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
US6100825A (en) * 1998-12-31 2000-08-08 Microsoft Corporation Cluster-based data compression system and method
US6477280B1 (en) 1999-03-26 2002-11-05 Microsoft Corporation Lossless adaptive encoding of finite alphabet data
US6678419B1 (en) * 1999-03-26 2004-01-13 Microsoft Corporation Reordering wavelet coefficients for improved encoding
US6573915B1 (en) * 1999-12-08 2003-06-03 International Business Machines Corporation Efficient capture of computer screens
US6567781B1 (en) 1999-12-30 2003-05-20 Quikcat.Com, Inc. Method and apparatus for compressing audio data using a dynamical system having a multi-state dynamical rule set and associated transform basis function
EP1294197A4 (en) * 2000-05-23 2004-11-24 Matsushita Electric Ind Co Ltd METHOD AND DEVICE FOR CODING WITH VARIABLE LENGTH
US6542863B1 (en) * 2000-06-14 2003-04-01 Intervideo, Inc. Fast codebook search method for MPEG audio encoding
US6683980B1 (en) * 2000-07-28 2004-01-27 Microsoft Corporation System and method for compressing data
US6925249B1 (en) 2000-07-28 2005-08-02 Microsoft Corporation System and method for storing compressed data onto a storage medium
US6961685B2 (en) * 2000-09-19 2005-11-01 Sy Bon K Probability model selection using information-theoretic optimization criterion
US6735339B1 (en) 2000-10-27 2004-05-11 Dolby Laboratories Licensing Corporation Multi-stage encoding of signal components that are classified according to component value
US6650784B2 (en) 2001-07-02 2003-11-18 Qualcomm, Incorporated Lossless intraframe encoding using Golomb-Rice
US6587057B2 (en) 2001-07-25 2003-07-01 Quicksilver Technology, Inc. High performance memory efficient variable-length coding decoder
US20030033143A1 (en) 2001-08-13 2003-02-13 Hagai Aronowitz Decreasing noise sensitivity in speech processing under adverse conditions
US6825847B1 (en) 2001-11-30 2004-11-30 Nvidia Corporation System and method for real-time compression of pixel colors
US7165028B2 (en) 2001-12-12 2007-01-16 Texas Instruments Incorporated Method of speech recognition resistant to convolutive distortion and additive distortion
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
JP4447197B2 (ja) * 2002-01-07 2010-04-07 三菱電機株式会社 動画像符号化装置および動画像復号装置
US7139703B2 (en) 2002-04-05 2006-11-21 Microsoft Corporation Method of iterative noise estimation in a recursive framework
US6653955B1 (en) 2002-05-09 2003-11-25 Lsi Logic Corporation Multi-symbol variable length code decoder
GB2388502A (en) 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
US7016547B1 (en) * 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
JP2004056249A (ja) * 2002-07-17 2004-02-19 Sony Corp 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム
DE10236694A1 (de) * 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
DK1400954T3 (da) 2002-09-04 2008-03-31 Microsoft Corp Entropi-kodning ved tilpasning af kodning mellem niveau- og runlængde/niveau-moduser
US7328150B2 (en) 2002-09-04 2008-02-05 Microsoft Corporation Innovations in pure lossless audio compression
US7424434B2 (en) 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
US6795584B2 (en) * 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
AU2003290536A1 (en) 2002-10-23 2004-05-13 Divxnetworks, Inc. Method and system for supercompression of compressed digital video
US6646578B1 (en) 2002-11-22 2003-11-11 Ub Video Inc. Context adaptive variable length decoding system and method
US7324927B2 (en) * 2003-07-03 2008-01-29 Robert Bosch Gmbh Fast feature selection method and system for maximum entropy modeling
JP4617644B2 (ja) * 2003-07-18 2011-01-26 ソニー株式会社 符号化装置及び方法
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US8311119B2 (en) * 2004-12-31 2012-11-13 Microsoft Corporation Adaptive coefficient scan order
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec

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