DE69125199D1 - Geometrische Vektorquantifizierung - Google Patents

Geometrische Vektorquantifizierung

Info

Publication number
DE69125199D1
DE69125199D1 DE69125199T DE69125199T DE69125199D1 DE 69125199 D1 DE69125199 D1 DE 69125199D1 DE 69125199 T DE69125199 T DE 69125199T DE 69125199 T DE69125199 T DE 69125199T DE 69125199 D1 DE69125199 D1 DE 69125199D1
Authority
DE
Germany
Prior art keywords
geometric vector
vector quantification
quantification
geometric
vector
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
DE69125199T
Other languages
English (en)
Other versions
DE69125199T2 (de
Inventor
Nuggehally Sampath Jayant
Christine Irene Podilchuk
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69125199D1 publication Critical patent/DE69125199D1/de
Application granted granted Critical
Publication of DE69125199T2 publication Critical patent/DE69125199T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector 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
    • H04N19/10—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/62—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/94—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
DE69125199T 1990-04-03 1991-04-03 Geometrische Vektorquantifizierung Expired - Lifetime DE69125199T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/503,659 US5136374A (en) 1990-04-03 1990-04-03 Geometric vector quantization

Publications (2)

Publication Number Publication Date
DE69125199D1 true DE69125199D1 (de) 1997-04-24
DE69125199T2 DE69125199T2 (de) 1997-09-11

Family

ID=24002993

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125199T Expired - Lifetime DE69125199T2 (de) 1990-04-03 1991-04-03 Geometrische Vektorquantifizierung

Country Status (5)

Country Link
US (1) US5136374A (de)
EP (1) EP0450937B1 (de)
JP (1) JP2968604B2 (de)
CA (1) CA2039416C (de)
DE (1) DE69125199T2 (de)

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KR950000830B1 (ko) * 1990-06-25 1995-02-02 미쯔비시덴끼 가부시끼가이샤 디지탈 비디오 신호의 부호화 방법 및 이를 이용한 고능률 부호화장치
US5307143A (en) * 1991-01-11 1994-04-26 Samsung Electronics Co., Ltd. Method and circuit for transmitting a direct current component of a color signal
US5218435A (en) * 1991-02-20 1993-06-08 Massachusetts Institute Of Technology Digital advanced television systems
DE69213511T2 (de) * 1991-03-07 1997-04-17 Mitsubishi Electric Corp Kodiervorrichtung zum Kodieren eines digitalen Bildsignals
US5235420A (en) * 1991-03-22 1993-08-10 Bell Communications Research, Inc. Multilayer universal video coder
US5761342A (en) * 1991-04-16 1998-06-02 Canon Kabushiki Kaisha Image processing apparatus and method
KR940009490B1 (ko) * 1991-07-26 1994-10-14 삼성전자주식회사 3차원 서브밴드 영상신호의 적응적 선택회로 및 방법
US5272530A (en) * 1991-11-01 1993-12-21 Aware, Inc. Method and apparatus for coding motion pictures utilizing motion compensation
US5301020A (en) * 1991-11-01 1994-04-05 Aware, Inc. Method and apparatus for coding motion pictures utilizing motion compensation
US5280343A (en) * 1992-01-21 1994-01-18 Eastman Kodak Company Separable subsampling of digital image data with general periodic symmetry
CA2088082C (en) * 1992-02-07 1999-01-19 John Hartung Dynamic bit allocation for three-dimensional subband video coding
US5371544A (en) * 1992-02-07 1994-12-06 At&T Corp. Geometric vector quantization
US5337085A (en) * 1992-04-10 1994-08-09 Comsat Corporation Coding technique for high definition television signals
US5388124A (en) * 1992-06-12 1995-02-07 University Of Maryland Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels
EP0576763A1 (de) * 1992-06-30 1994-01-05 International Business Machines Corporation Verbessertes Verfahren zur Teilbandkodierung von Videosignalen und Einrichtung zur Durchführung dieses Verfahrens
US5603012A (en) 1992-06-30 1997-02-11 Discovision Associates Start code detector
US7095783B1 (en) * 1992-06-30 2006-08-22 Discovision Associates Multistandard video decoder and decompression system for processing encoded bit streams including start codes and methods relating thereto
JP2689823B2 (ja) * 1992-07-21 1997-12-10 松下電器産業株式会社 画像信号再生装置及びディスク装置
JP2575595B2 (ja) * 1992-10-20 1997-01-29 インターナショナル・ビジネス・マシーンズ・コーポレイション イメージフレームの圧縮方法及びデータ処理システム
FR2697706B1 (fr) * 1992-11-03 1994-11-25 Thomson Csf Procédé et dispositif de réduction de débit pour l'enregistrement d'images sur magnétoscope.
US5467134A (en) * 1992-12-22 1995-11-14 Microsoft Corporation Method and system for compressing video data
US5404167A (en) * 1993-03-12 1995-04-04 At&T Corp. Subband color video coding using a reduced motion information subband
US5467413A (en) * 1993-05-20 1995-11-14 Radius Inc. Method and apparatus for vector quantization for real-time playback on low cost personal computers
US5640159A (en) * 1994-01-03 1997-06-17 International Business Machines Corporation Quantization method for image data compression employing context modeling algorithm
US5512939A (en) * 1994-04-06 1996-04-30 At&T Corp. Low bit rate audio-visual communication system having integrated perceptual speech and video coding
WO1995027375A1 (en) * 1994-04-05 1995-10-12 Gte Laboratories Incorporated Method and apparatus of using vector subband coder (vsc) for image compression
CA2145914A1 (en) 1994-05-27 1995-11-28 Alexandros Eleftheriadis Model-assisted coding of video sequences at low bit rates
US5592227A (en) * 1994-09-15 1997-01-07 Vcom, Inc. Method and apparatus for compressing a digital signal using vector quantization
KR100422965B1 (ko) * 1994-12-09 2004-03-12 브렌트 타운젠드 고속 데이터 전송 시스템 및 방법
US5970103A (en) 1996-09-06 1999-10-19 Townshend; Brent High speed communications system for analog subscriber connections
US5727089A (en) * 1995-01-05 1998-03-10 Eastman Kodak Company Method and apparatus for multiple quality transaction card images
FR2737823B1 (fr) * 1995-08-11 1997-09-12 France Telecom Procede de codage de donnees numeriques representees par des vecteurs et procede de decodage des donnees codees selon ledit procede de codage
US5764803A (en) * 1996-04-03 1998-06-09 Lucent Technologies Inc. Motion-adaptive modelling of scene content for very low bit rate model-assisted coding of video sequences
KR0178003B1 (ko) * 1996-11-01 1999-04-01 삼성전자주식회사 부밴드 디지탈 필터 뱅크 설계방법
JP3684751B2 (ja) * 1997-03-28 2005-08-17 ソニー株式会社 信号符号化方法及び装置
WO1999055007A1 (en) * 1998-04-17 1999-10-28 Ultraclean Technology Research Institute, Co., Ltd. Method and apparatus for making code book, vector quantizing device, device and method for data compression, device and method for data decompression, system for data compression/decompression
US7460722B2 (en) * 2002-01-11 2008-12-02 Canon Kabushiki Kaisha Encoding of digital data with determination of sample path
JP4737711B2 (ja) * 2005-03-23 2011-08-03 富士ゼロックス株式会社 復号化装置、逆量子化方法、分布決定方法及びこのプログラム
US8401229B2 (en) 2007-09-04 2013-03-19 Objectvideo, Inc. Stationary target detection by exploiting changes in background model
US8483500B2 (en) * 2010-09-02 2013-07-09 Sony Corporation Run length coding with context model for image compression using sparse dictionaries
CN113766237B (zh) * 2021-09-30 2024-07-02 咪咕文化科技有限公司 一种编码方法、解码方法、装置、设备及可读存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3689796T2 (de) * 1985-01-16 1994-08-04 Mitsubishi Denki K.K., Tokio/Tokyo Videokodierungsvorrichtung.
JP2527350B2 (ja) * 1987-02-25 1996-08-21 富士写真フイルム株式会社 ベクトル量子化による画像デ―タの圧縮および再構成装置
EP0624037B1 (de) * 1987-04-28 2001-10-10 Mitsubishi Denki Kabushiki Kaisha System zur Bildcodierung
US4780761A (en) * 1987-06-02 1988-10-25 Eastman Kodak Company Digital image compression and transmission system visually weighted transform coefficients
US4903124A (en) * 1988-03-17 1990-02-20 Canon Kabushiki Kaisha Image information signal transmission apparatus
US5010401A (en) * 1988-08-11 1991-04-23 Mitsubishi Denki Kabushiki Kaisha Picture coding and decoding apparatus using vector quantization

Also Published As

Publication number Publication date
JP2968604B2 (ja) 1999-10-25
EP0450937B1 (de) 1997-03-19
EP0450937A2 (de) 1991-10-09
DE69125199T2 (de) 1997-09-11
CA2039416A1 (en) 1991-10-04
CA2039416C (en) 1996-09-03
JPH04225626A (ja) 1992-08-14
US5136374A (en) 1992-08-04
EP0450937A3 (en) 1992-04-29

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