DE69318516D1 - Vorrichtung zur Grössenkontrolle eines digitalen Videosignalkodes - Google Patents

Vorrichtung zur Grössenkontrolle eines digitalen Videosignalkodes

Info

Publication number
DE69318516D1
DE69318516D1 DE69318516T DE69318516T DE69318516D1 DE 69318516 D1 DE69318516 D1 DE 69318516D1 DE 69318516 T DE69318516 T DE 69318516T DE 69318516 T DE69318516 T DE 69318516T DE 69318516 D1 DE69318516 D1 DE 69318516D1
Authority
DE
Germany
Prior art keywords
checking
size
video signal
digital video
signal code
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
Application number
DE69318516T
Other languages
English (en)
Other versions
DE69318516T2 (de
Inventor
Kazuo Kajimoto
Kinya Kanno
Rumi Tsubota
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69318516D1 publication Critical patent/DE69318516D1/de
Application granted granted Critical
Publication of DE69318516T2 publication Critical patent/DE69318516T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/134—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
    • H04N19/18—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • 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
    • H04N19/134—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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
DE1993618516 1992-11-25 1993-11-23 Vorrichtung zur Grössenkontrolle eines digitalen Videosignalkodes Expired - Fee Related DE69318516T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31482192A JPH06165151A (ja) 1992-11-25 1992-11-25 映像符号量制御装置

Publications (2)

Publication Number Publication Date
DE69318516D1 true DE69318516D1 (de) 1998-06-18
DE69318516T2 DE69318516T2 (de) 1998-09-10

Family

ID=18058009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993618516 Expired - Fee Related DE69318516T2 (de) 1992-11-25 1993-11-23 Vorrichtung zur Grössenkontrolle eines digitalen Videosignalkodes

Country Status (4)

Country Link
US (1) US5568199A (de)
EP (1) EP0599258B1 (de)
JP (1) JPH06165151A (de)
DE (1) DE69318516T2 (de)

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* Cited by examiner, † Cited by third party
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CN1053545C (zh) * 1994-05-05 2000-06-14 华邦电子股份有限公司 离散余弦转换及其逆转换的方法及集成电路处理器
JPH08331561A (ja) * 1995-03-30 1996-12-13 Canon Inc 画像処理装置
JPH09168150A (ja) 1995-10-09 1997-06-24 Fujitsu Ltd 固定長セル取扱式画像通信方法並びに固定長セル取扱式画像通信用送信装置及び固定長セル取扱式画像通信用受信装置
US5845015A (en) * 1995-10-12 1998-12-01 Sarnoff Corporation Method and apparatus for resizing images using the discrete cosine transform
US5943374A (en) * 1995-12-11 1999-08-24 Hitachi Denshi Kabushiki Kaisha Out-of-synchronization recovery method and apparatus of data transmission system
JP3387738B2 (ja) * 1996-06-28 2003-03-17 株式会社沖データ 画像パターン変換装置
US6668088B1 (en) 1997-02-25 2003-12-23 British Broadcasting Corporation Digital signal compression encoding with improved quantisation
US6731811B1 (en) * 1997-12-19 2004-05-04 Voicecraft, Inc. Scalable predictive coding method and apparatus
US7142235B2 (en) * 1998-07-30 2006-11-28 Hewlett-Packard Development Company, L.P. Opportunistic improvement of digital camera image quality
US6393155B1 (en) * 1998-11-04 2002-05-21 International Business Machines Corporation Error reduction in transformed digital data
KR100335055B1 (ko) * 1999-12-08 2002-05-02 구자홍 압축 영상신호의 블럭현상 및 링현상 제거방법
JP4447805B2 (ja) * 2001-08-09 2010-04-07 ソニー株式会社 画像符号化装置および方法、記録媒体、並びにプログラム
US7180943B1 (en) 2002-03-26 2007-02-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Compression of a data stream by selection among a set of compression tools
DE102004047194A1 (de) * 2004-09-29 2006-03-30 Hirschmann Electronics Gmbh & Co. Kg Matrixänderung beim Betrieb eines MPEG-Encoders
JP2008312193A (ja) * 2007-05-16 2008-12-25 Olympus Imaging Corp 画像データ圧縮装置、画像データ圧縮方法およびプログラム
JP5641898B2 (ja) * 2010-11-26 2014-12-17 ルネサスエレクトロニクス株式会社 画像圧縮装置及び画像圧縮方法並びにプログラム
JP2012156867A (ja) * 2011-01-27 2012-08-16 Toshiba Corp 逆離散コサイン変換装置、復号装置、及び画像処理装置
CN107038993B (zh) * 2017-05-23 2019-07-16 西安诺瓦电子科技有限公司 参数调节方法及装置、显示***

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631768B1 (fr) * 1988-05-20 1990-08-17 Labo Electronique Physique Systeme d'emission et reception de television a haute definition a debit de donnees reduit
US4943855A (en) * 1988-07-22 1990-07-24 At&T Bell Laboratories Progressive sub-band image coding system
US5170264A (en) * 1988-12-10 1992-12-08 Fuji Photo Film Co., Ltd. Compression coding device and expansion decoding device for a picture signal
JPH02222386A (ja) * 1989-02-23 1990-09-05 Toshiba Corp 画像データ圧縮装置
JPH0832047B2 (ja) * 1989-04-28 1996-03-27 日本ビクター株式会社 予測符号化装置
JP2931328B2 (ja) * 1989-07-21 1999-08-09 富士写真フイルム株式会社 画像信号圧縮符号化装置
JPH0787586B2 (ja) * 1989-08-02 1995-09-20 富士通株式会社 画像信号符号化制御方式
JPH0828875B2 (ja) * 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
US5048111A (en) * 1989-11-06 1991-09-10 Eastman Kodak Company Hybrid subband-based hierarchical storage and display method for high resolution digital images in a multiuse environment
US5128754A (en) * 1990-03-30 1992-07-07 New York Institute Of Technology Apparatus and method for encoding and decoding video
US5136375A (en) * 1990-07-17 1992-08-04 Zenith Electronics Corporation Spectrum compatible-HDTV data transmission system
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
JP2969867B2 (ja) * 1990-08-31 1999-11-02 ソニー株式会社 ディジタル画像信号の高能率符号化装置
JP2549013B2 (ja) * 1990-10-08 1996-10-30 日本ビクター株式会社 データ圧縮装置
GB2252002B (en) * 1991-01-11 1995-01-04 Sony Broadcast & Communication Compression of video signals
JP2514115B2 (ja) * 1991-02-15 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 画像信号符号化装置
GB2258781B (en) * 1991-08-13 1995-05-03 Sony Broadcast & Communication Data compression
US5214507A (en) * 1991-11-08 1993-05-25 At&T Bell Laboratories Video signal quantization for an mpeg like coding environment
US5434623A (en) * 1991-12-20 1995-07-18 Ampex Corporation Method and apparatus for image data compression using combined luminance/chrominance coding
KR100206261B1 (ko) * 1992-02-28 1999-07-01 윤종용 디지탈 vtr의 영상신호 대역 압축장치
US5253041A (en) * 1992-05-26 1993-10-12 General Electric Company Digital television signal compression apparatus

Also Published As

Publication number Publication date
EP0599258A2 (de) 1994-06-01
US5568199A (en) 1996-10-22
EP0599258A3 (de) 1994-10-12
DE69318516T2 (de) 1998-09-10
EP0599258B1 (de) 1998-05-13
JPH06165151A (ja) 1994-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee