DE69928494D1 - Videosignalkompression - Google Patents

Videosignalkompression

Info

Publication number
DE69928494D1
DE69928494D1 DE69928494T DE69928494T DE69928494D1 DE 69928494 D1 DE69928494 D1 DE 69928494D1 DE 69928494 T DE69928494 T DE 69928494T DE 69928494 T DE69928494 T DE 69928494T DE 69928494 D1 DE69928494 D1 DE 69928494D1
Authority
DE
Germany
Prior art keywords
video signal
video compression
coding decisions
mpeg2
video
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
DE69928494T
Other languages
English (en)
Other versions
DE69928494T2 (de
Inventor
James Knee
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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 Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Application granted granted Critical
Publication of DE69928494D1 publication Critical patent/DE69928494D1/de
Publication of DE69928494T2 publication Critical patent/DE69928494T2/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
    • 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
    • H04N19/146—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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Television Systems (AREA)
  • Color Television Systems (AREA)
  • Glass Compositions (AREA)
  • Image Processing (AREA)
DE69928494T 1998-01-22 1999-01-22 Videosignalkompression Expired - Lifetime DE69928494T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9801382 1998-01-22
GB9801382A GB2333657B (en) 1998-01-22 1998-01-22 Video signal compression
PCT/GB1999/000228 WO1999038328A1 (en) 1998-01-22 1999-01-22 Video signal compression

Publications (2)

Publication Number Publication Date
DE69928494D1 true DE69928494D1 (de) 2005-12-29
DE69928494T2 DE69928494T2 (de) 2006-08-03

Family

ID=10825722

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928494T Expired - Lifetime DE69928494T2 (de) 1998-01-22 1999-01-22 Videosignalkompression

Country Status (8)

Country Link
US (1) US7477691B1 (de)
EP (1) EP1051851B1 (de)
JP (1) JP4410414B2 (de)
AT (1) ATE311074T1 (de)
AU (1) AU760510B2 (de)
DE (1) DE69928494T2 (de)
GB (1) GB2333657B (de)
WO (1) WO1999038328A1 (de)

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AR022298A1 (es) 1999-01-22 2002-09-04 Carlstrom Borge Un procedimiento para la fabricacion de tubos de plastico centrifugados reforzados con fibras de vidrio, tubos de plastico centrifugados reforzados confibras de vidrio y una instalacion para la fabricacion de los mismos.
GB2351865A (en) * 1999-07-02 2001-01-10 Snell & Wilcox Ltd Video compression
GB2353426A (en) * 1999-08-17 2001-02-21 British Broadcasting Corp Mutiple output variable bit rate encoding
GB2358539A (en) * 2000-01-21 2001-07-25 Sony Uk Ltd Data processing method which separates parameter data from coded data
GB2372657B (en) * 2001-02-21 2005-09-21 Sony Uk Ltd Signal processing
GB2374479B (en) * 2001-04-12 2005-05-04 Snell & Wilcox Ltd Video signal processing
JP4925697B2 (ja) * 2006-03-23 2012-05-09 ソニー株式会社 ネットワーク伝送用の映像信号符号化システム及び映像信号符号化方法，信号変換装置
WO2007116551A1 (ja) * 2006-03-30 2007-10-18 Kabushiki Kaisha Toshiba 画像符号化装置及び画像符号化方法並びに画像復号化装置及び画像復号化方法
GB2438004B (en) 2006-05-08 2011-08-24 Snell & Wilcox Ltd Creation and compression of video data
US9538128B2 (en) * 2011-02-28 2017-01-03 Cisco Technology, Inc. System and method for managing video processing in a network environment
CN111405315B (zh) 2012-06-12 2022-04-12 相干逻辑公司 用于编码和交付视频内容的分布式体系结构

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JPS63176049A (ja) 1987-01-16 1988-07-20 Nec Corp デ−タ圧縮方式
US5086488A (en) 1989-08-19 1992-02-04 Mitsubishi Denki Kabushiki Kaisha Transform coding apparatus
US5142380A (en) 1989-10-23 1992-08-25 Ricoh Company, Ltd. Image data processing apparatus
US5249053A (en) 1991-02-05 1993-09-28 Dycam Inc. Filmless digital camera with selective image compression
DE4111884A1 (de) 1991-04-09 1992-10-15 Klippel Wolfgang Schaltungsanordnung zur korrektur des linearen und nichtlinearen uebertragungsverhaltens elektroakustischer wandler
TW256010B (de) 1991-04-18 1995-09-01 Ampex
JP3189861B2 (ja) * 1992-11-13 2001-07-16 ソニー株式会社 動画像符号化装置および方法
US5343247A (en) * 1991-08-02 1994-08-30 U.S. Philips Corporation Filter circuit for preprocessing a video signal to be coded
JP2646921B2 (ja) * 1991-11-15 1997-08-27 日本ビクター株式会社 適応量子化装置
FR2688958B1 (fr) * 1992-03-17 1997-06-27 Thomson Csf Procede de codage d'images bi-standard tres bas debit et codeur-decodeur pour la mise en óoeuvre de ce procede.
KR0166716B1 (ko) * 1992-06-18 1999-03-20 강진구 블럭 dpcm을 이용한 부호화/복호화방법 및 장치
US5748245A (en) 1993-03-29 1998-05-05 Canon Kabushiki Kaisha Encoding apparatus for encoding input information data while controlling a code quantity of encoded information data
US5453799A (en) * 1993-11-05 1995-09-26 Comsat Corporation Unified motion estimation architecture
US5828786A (en) * 1993-12-02 1998-10-27 General Instrument Corporation Analyzer and methods for detecting and processing video data types in a video data stream
US5479527A (en) 1993-12-08 1995-12-26 Industrial Technology Research Inst. Variable length coding system
JPH07203428A (ja) * 1993-12-28 1995-08-04 Canon Inc 画像処理方法及び装置
KR0183688B1 (ko) 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
US5512956A (en) 1994-02-04 1996-04-30 At&T Corp. Adaptive spatial-temporal postprocessing for low bit-rate coded image sequences
KR100213015B1 (ko) * 1994-03-31 1999-08-02 윤종용 양자화 방법 및 회로
WO1995035628A1 (en) * 1994-06-17 1995-12-28 Snell & Wilcox Limited Video compression
JP3529432B2 (ja) * 1994-06-30 2004-05-24 株式会社東芝 動画像符号化／復号化装置
KR100213018B1 (ko) * 1994-07-30 1999-08-02 윤종용 동화상 부호화장치
US5671298A (en) 1994-08-30 1997-09-23 Texas Instruments Incorporated Image scaling using cubic filters
JP3058028B2 (ja) 1994-10-31 2000-07-04 三菱電機株式会社 画像符号化データ再符号化装置
US5802218A (en) 1994-11-04 1998-09-01 Motorola, Inc. Method, post-processing filter, and video compression system for suppressing mosquito and blocking atrifacts
US6005952A (en) 1995-04-05 1999-12-21 Klippel; Wolfgang Active attenuation of nonlinear sound
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IL116060A (en) * 1995-11-19 2000-02-17 Israel State Method for compression and decompression of a video signal
US5963673A (en) * 1995-12-20 1999-10-05 Sanyo Electric Co., Ltd. Method and apparatus for adaptively selecting a coding mode for video encoding
US6057893A (en) * 1995-12-28 2000-05-02 Sony Corporation Picture encoding method, picture encoding apparatus, picture transmitting method and picture recording medium
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US5991456A (en) 1996-05-29 1999-11-23 Science And Technology Corporation Method of improving a digital image
EP2271103A3 (de) * 1996-07-15 2013-01-16 Amstr. Investments 4 K.G., LLC Videosignalkomprimierung
KR100599017B1 (ko) 1996-12-12 2006-12-13 소니 가부시끼 가이샤 영상 데이터 압축 장치 및 그 방법
US6539120B1 (en) 1997-03-12 2003-03-25 Matsushita Electric Industrial Co., Ltd. MPEG decoder providing multiple standard output signals
US5990955A (en) * 1997-10-03 1999-11-23 Innovacom Inc. Dual encoding/compression method and system for picture quality/data density enhancement
US6115499A (en) * 1998-01-14 2000-09-05 C-Cube Semiconductor Ii, Inc. Repeat field detection using checkerboard pattern
US6100940A (en) * 1998-01-21 2000-08-08 Sarnoff Corporation Apparatus and method for using side information to improve a coding system
US6278735B1 (en) 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
US6269120B1 (en) 1998-03-23 2001-07-31 International Business Machines Corporation Method of precise buffer management for MPEG video splicing
US6064540A (en) * 1998-03-30 2000-05-16 International Business Machines Corporation Active control for stabilizing a servo-controlled actuator system
GB9807201D0 (en) 1998-04-03 1998-06-03 Nds Ltd Filtering video signals containing chrominance information
US6151362A (en) 1998-10-30 2000-11-21 Motorola, Inc. Joint rate control for stereoscopic video coding
US6570922B1 (en) 1998-11-24 2003-05-27 General Instrument Corporation Rate control for an MPEG transcoder without a priori knowledge of picture type

Also Published As

Publication number Publication date
WO1999038328A1 (en) 1999-07-29
EP1051851B1 (de) 2005-11-23
DE69928494T2 (de) 2006-08-03
AU760510B2 (en) 2003-05-15
JP2002502161A (ja) 2002-01-22
GB2333657B (en) 2002-08-21
EP1051851A1 (de) 2000-11-15
JP4410414B2 (ja) 2010-02-03
GB9801382D0 (en) 1998-03-18
ATE311074T1 (de) 2005-12-15
GB2333657A (en) 1999-07-28
US7477691B1 (en) 2009-01-13
AU2178499A (en) 1999-08-09

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Legal Events

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8364 No opposition during term of opposition