HK1001940A1 - An apparatus for orthogonal transform coding - Google Patents

An apparatus for orthogonal transform coding

Info

Publication number
HK1001940A1
HK1001940A1 HK98100920A HK98100920A HK1001940A1 HK 1001940 A1 HK1001940 A1 HK 1001940A1 HK 98100920 A HK98100920 A HK 98100920A HK 98100920 A HK98100920 A HK 98100920A HK 1001940 A1 HK1001940 A1 HK 1001940A1
Authority
HK
Hong Kong
Prior art keywords
orthogonal transform
transform coding
coding
orthogonal
transform
Prior art date
Application number
HK98100920A
Other languages
English (en)
Inventor
Tatsuro Juri
Original Assignee
Matsushita Electric Ind Co Ltd
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
Priority claimed from JP14789189A external-priority patent/JPH0787585B2/ja
Priority claimed from JP1203285A external-priority patent/JPH0366228A/ja
Priority claimed from JP2004152A external-priority patent/JPH03209919A/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1001940A1 publication Critical patent/HK1001940A1/xx

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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/18—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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • 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
    • H04N19/10—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
    • 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
    • H04N19/90—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)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK98100920A 1989-06-09 1998-02-06 An apparatus for orthogonal transform coding HK1001940A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14789189A JPH0787585B2 (ja) 1989-06-09 1989-06-09 高能率符号化装置
JP1203285A JPH0366228A (ja) 1989-08-04 1989-08-04 ブロック符号化装置と復号化装置
JP2004152A JPH03209919A (ja) 1990-01-11 1990-01-11 ブロック符号化装置

Publications (1)

Publication Number Publication Date
HK1001940A1 true HK1001940A1 (en) 1998-07-17

Family

ID=27276142

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100920A HK1001940A1 (en) 1989-06-09 1998-02-06 An apparatus for orthogonal transform coding

Country Status (3)

Country Link
EP (1) EP0401854B1 (xx)
DE (1) DE69031198T2 (xx)
HK (1) HK1001940A1 (xx)

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US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JP2839339B2 (ja) * 1990-08-06 1998-12-16 松下電器産業株式会社 直交変換符号化装置および直交変換符号化方法
DE69125329T2 (de) * 1990-09-10 1997-10-09 Mitsubishi Electric Corp Kodiervorrichtung für digitale Bilddaten
US5150208A (en) * 1990-10-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Encoding apparatus
DE69126396T2 (de) * 1990-10-25 1997-12-18 Matsushita Electric Ind Co Ltd Aufzeichnungs- und Wiedergabegerät für Videosignale
EP0492528B1 (en) * 1990-12-27 1996-10-09 Kabushiki Kaisha Toshiba Recording/reproducing apparatus
DE69132063T2 (de) * 1990-12-28 2000-09-14 Canon Kk Bildcodierung mit Optimierung der erzeugten Codemenge
DE69232123T2 (de) * 1991-02-07 2002-05-02 Canon Kk Bildkodieranlage
JP2630085B2 (ja) * 1991-02-26 1997-07-16 松下電器産業株式会社 記録装置と再生装置
JP3141139B2 (ja) * 1991-03-13 2001-03-05 三菱電機株式会社 映像音声デジタル記録／再生装置
JPH04323960A (ja) * 1991-04-23 1992-11-13 Canon Inc 画像符号化装置
JP3109854B2 (ja) * 1991-04-23 2000-11-20 キヤノン株式会社 画像符号化方法及び装置
JPH0583696A (ja) * 1991-06-07 1993-04-02 Sony Corp 画像符号化装置
JP3227674B2 (ja) * 1991-06-27 2001-11-12 ソニー株式会社 動画像符号化装置および方法
WO1993002527A1 (fr) * 1991-07-19 1993-02-04 Laboratoire De Traitement Des Signaux Procede de regulation statistique de debit pour la transmission d'images numeriques
JP3141896B2 (ja) * 1991-08-09 2001-03-07 ソニー株式会社 ディジタルビデオ信号の記録装置
WO1993004553A1 (fr) * 1991-08-21 1993-03-04 Kabushiki Kaisha Toshiba Appareil de compression de donnees d'image
GB2259421B (en) * 1991-09-04 1995-01-18 Sony Broadcast & Communication Image data recording and transmission
US5144424A (en) * 1991-10-15 1992-09-01 Thomson Consumer Electronics, Inc. Apparatus for video data quantization control
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
MY109399A (en) * 1992-01-07 1997-01-31 Koninklijke Philips Electronics Nv Device for processing digital data, and digital video system comprising the device
US5349384A (en) * 1992-01-14 1994-09-20 Sony Corporation Apparatus and methods for transmitting compressed digital image signals
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
JP3166291B2 (ja) * 1992-04-03 2001-05-14 ソニー株式会社 量子化コントロール回路
US5587806A (en) * 1993-03-26 1996-12-24 Matsushita Electric Industrial Co., Ltd. Apparatus for separately recording input coded video signal and important data generated therefrom
JP3336754B2 (ja) * 1994-08-19 2002-10-21 ソニー株式会社 デジタルビデオ信号の記録方法及び記録装置
WO1996025801A1 (en) * 1995-02-17 1996-08-22 Trustus Pty. Ltd. Method for partitioning a block of data into subblocks and for storing and communicating such subblocks
KR100188934B1 (ko) * 1995-08-28 1999-06-01 윤종용 영상 신호 부호화 장치 및 방법
US6266375B1 (en) * 1997-11-13 2001-07-24 Sony Corporation Method and apparatus for selecting a quantization table for encoding a digital image
US6983073B1 (en) 1999-01-13 2006-01-03 Gidel Imaging Ltd. Enhancement of compressed images
AU1981499A (en) * 1999-01-14 2000-08-01 Gidel Imaging Ltd. Enhancement of compressed images
EP1768415A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Adaptive scan order of DCT coefficients and its signaling
EP1768416A1 (en) * 2005-09-27 2007-03-28 Matsushita Electric Industrial Co., Ltd. Frequency selective video compression and quantization

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Also Published As

Publication number Publication date
DE69031198T2 (de) 1998-03-19
DE69031198D1 (de) 1997-09-11
EP0401854A2 (en) 1990-12-12
EP0401854B1 (en) 1997-08-06
EP0401854A3 (en) 1992-07-29

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Effective date: 20100607