NO952221L - Apparat for dekoding av kodete bildedata - Google Patents

Apparat for dekoding av kodete bildedata

Info

Publication number
NO952221L
NO952221L NO952221A NO952221A NO952221L NO 952221 L NO952221 L NO 952221L NO 952221 A NO952221 A NO 952221A NO 952221 A NO952221 A NO 952221A NO 952221 L NO952221 L NO 952221L
Authority
NO
Norway
Prior art keywords
image
decoded
data
variable length
image data
Prior art date
Application number
NO952221A
Other languages
English (en)
Norwegian (no)
Other versions
NO952221D0 (no
Inventor
Yoshihisa Yamada
Tokumichi Murakami
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NO952221D0 publication Critical patent/NO952221D0/no
Publication of NO952221L publication Critical patent/NO952221L/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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Signal Processing For Recording (AREA)
NO952221A 1994-10-31 1995-06-06 Apparat for dekoding av kodete bildedata NO952221L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26688294A JP3058028B2 (ja) 1994-10-31 1994-10-31 画像符号化データ再符号化装置

Publications (2)

Publication Number Publication Date
NO952221D0 NO952221D0 (no) 1995-06-06
NO952221L true NO952221L (no) 1996-05-02

Family

ID=17436977

Family Applications (1)

Application Number Title Priority Date Filing Date
NO952221A NO952221L (no) 1994-10-31 1995-06-06 Apparat for dekoding av kodete bildedata

Country Status (10)

Country Link
US (1) US5831688A (zh)
EP (1) EP0710030B1 (zh)
JP (1) JP3058028B2 (zh)
KR (1) KR100259561B1 (zh)
CN (1) CN1083215C (zh)
AU (1) AU691268B2 (zh)
CA (1) CA2151085C (zh)
DE (1) DE69520924D1 (zh)
NO (1) NO952221L (zh)
TW (1) TW346732B (zh)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715009A (en) 1994-03-29 1998-02-03 Sony Corporation Picture signal transmitting method and apparatus
US6526173B1 (en) * 1995-10-31 2003-02-25 Hughes Electronics Corporation Method and system for compression encoding video signals representative of image frames
JPH1051766A (ja) 1996-08-05 1998-02-20 Mitsubishi Electric Corp 画像符号化データ変換装置
JP3623056B2 (ja) * 1996-09-10 2005-02-23 ソニー株式会社 動画像圧縮装置
GB2318472B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
JPH10117353A (ja) * 1996-10-09 1998-05-06 Nec Corp データ処理装置および受信装置
FR2755527B1 (fr) * 1996-11-07 1999-01-08 Thomson Multimedia Sa Procede de prediction compensee en mouvement et codeur utilisant un tel procede
KR100599017B1 (ko) * 1996-12-12 2006-12-13 소니 가부시끼 가이샤 영상 데이터 압축 장치 및 그 방법
EP0963657B1 (en) 1997-02-25 2002-11-27 British Broadcasting Corporation Digital signal compression encoding with improved quantisation
US6064324A (en) * 1997-06-18 2000-05-16 Nippon Telegraph And Telephone Corporation Digital signal encoding and decoding method and apparatus without transmitting information on quantization width
GB2327577B (en) * 1997-07-18 2002-09-11 British Broadcasting Corp Re-encoding decoded signals
JP2008109701A (ja) * 1997-11-05 2008-05-08 Sony Corp ディジタル信号変換方法およびディジタル信号変換装置
JP4513856B2 (ja) * 1997-11-05 2010-07-28 ソニー株式会社 ディジタル信号変換方法およびディジタル信号変換装置
AU744535B2 (en) 1997-11-27 2002-02-28 British Telecommunications Public Limited Company Transcoding
US6151361A (en) * 1997-12-29 2000-11-21 Thomson Licensing S.A. System and method for reducing multipass signal degradation
GB2333657B (en) 1998-01-22 2002-08-21 Snell & Wilcox Ltd Video signal compression
GB2333656B (en) * 1998-01-22 2002-08-14 British Broadcasting Corp Compressed signals
GB2335104B (en) 1998-03-06 2002-01-30 British Broadcasting Corp Cascading of up conversion and down conversion
CA2265089C (en) * 1998-03-10 2007-07-10 Sony Corporation Transcoding system using encoding history information
US6904174B1 (en) * 1998-12-11 2005-06-07 Intel Corporation Simplified predictive video encoder
US7263127B1 (en) 1998-04-02 2007-08-28 Intel Corporation Method and apparatus for simplifying frame-based motion estimation
US7046734B2 (en) * 1998-04-02 2006-05-16 Intel Corporation Method and apparatus for performing real-time data encoding
GB2337389B (en) 1998-05-15 2002-05-29 Snell & Wilcox Ltd Video signal processing
GB9822092D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Analysis of compression decoded sequences
GB9822094D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9822087D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9824061D0 (en) 1998-11-03 1998-12-30 Snell & Wilcox Ltd Film sequence detection (nt4)
US6700623B1 (en) 1998-12-10 2004-03-02 Snell & Wilcox Limited Video signal processing using triplets of pixels
JP4539637B2 (ja) * 1999-02-09 2010-09-08 ソニー株式会社 ストリーム記録装置およびストリーム記録方法、ストリーム再生装置およびストリーム再生方法、ストリーム伝送装置およびストリーム伝送方法、並びに、プログラム格納媒体
JP3672185B2 (ja) 1999-02-09 2005-07-13 ソニー株式会社 コーディングシステム及びこれを用いた装置並びに記録媒体
JP4543321B2 (ja) * 1999-02-09 2010-09-15 ソニー株式会社 再生装置及び方法
JP3855522B2 (ja) * 1999-02-23 2006-12-13 松下電器産業株式会社 動画変換装置
WO2000062554A1 (en) * 1999-04-08 2000-10-19 Matsushita Electric Industrial Co., Ltd. Image processing method and image processing device
JP4331835B2 (ja) * 1999-09-22 2009-09-16 パナソニック株式会社 画像データ伝送方法
US6704357B1 (en) * 1999-09-28 2004-03-09 3Com Corporation Method and apparatus for reconstruction of low frame rate video conferencing data
JP3694888B2 (ja) 1999-12-03 2005-09-14 ソニー株式会社 復号装置および方法、符号化装置および方法、情報処理装置および方法、並びに記録媒体
GB2361126B (en) * 2000-04-05 2004-04-21 Snell & Wilcox Ltd Spatial video processing
JP4107544B2 (ja) * 2000-10-23 2008-06-25 三菱電機株式会社 画像信号の再符号化装置
KR100386583B1 (ko) * 2000-11-30 2003-06-02 엘지전자 주식회사 영상 변환 부호화 장치 및 방법
JP2002330434A (ja) * 2001-04-27 2002-11-15 Pioneer Electronic Corp 復号化装置及び復号化方法、再符号化装置及び再符号化方法、情報記録媒体並びに復号化プログラム及び再符号化プログラム
KR100395396B1 (ko) * 2001-06-15 2003-08-21 주식회사 성진씨앤씨 다채널 동영상 압축 방법 및 장치
JP4599609B2 (ja) * 2001-09-18 2010-12-15 株式会社メガチップス 画像圧縮符号化方法、画像配信方法、およびそれらのプログラム
JP4193406B2 (ja) 2002-04-16 2008-12-10 三菱電機株式会社 映像データ変換装置および映像データ変換方法
JP4346868B2 (ja) * 2002-06-17 2009-10-21 株式会社日立製作所 動画符号化装置、及び動画記録再生装置、及び動画再生装置、及び動画符号化方法ならびに動画記録再生方法
SG140441A1 (en) * 2003-03-17 2008-03-28 St Microelectronics Asia Decoder and method of decoding using pseudo two pass decoding and one pass encoding
US7266147B2 (en) * 2003-03-31 2007-09-04 Sharp Laboratories Of America, Inc. Hypothetical reference decoder
JP4396524B2 (ja) 2003-04-08 2010-01-13 日本電気株式会社 符号変換方法及び装置
US7403660B2 (en) * 2003-04-30 2008-07-22 Nokia Corporation Encoding picture arrangement parameter in picture bitstream
JP4196726B2 (ja) * 2003-05-14 2008-12-17 ソニー株式会社 画像処理装置および画像処理方法、記録媒体、並びに、プログラム
JP2006067124A (ja) * 2004-08-25 2006-03-09 Nec Corp 画像符号化データの切り替え方法および装置、システムならびにプログラム
EP1883245A4 (en) * 2005-05-16 2010-05-26 Pioneer Corp RATE CONVERTER
JP4534935B2 (ja) * 2005-10-04 2010-09-01 株式会社日立製作所 トランスコーダ、記録装置及びトランスコード方法
US8233535B2 (en) 2005-11-18 2012-07-31 Apple Inc. Region-based processing of predicted pixels
US8780997B2 (en) * 2005-11-18 2014-07-15 Apple Inc. Regulation of decode-side processing based on perceptual masking
US8295343B2 (en) 2005-11-18 2012-10-23 Apple Inc. Video bit rate control method
US8031777B2 (en) * 2005-11-18 2011-10-04 Apple Inc. Multipass video encoding and rate control using subsampling of frames
US7936933B2 (en) 2005-11-18 2011-05-03 Microsoft Corporation Accelerating video data decoding
US20070116117A1 (en) * 2005-11-18 2007-05-24 Apple Computer, Inc. Controlling buffer states in video compression coding to enable editing and distributed encoding
JP5396711B2 (ja) * 2006-02-09 2014-01-22 日本電気株式会社 動画像復号装置、動画像復号方法及びプログラム
JP2008153771A (ja) * 2006-12-14 2008-07-03 Mitsubishi Electric Corp 画像符号化方式変換装置
US8228993B2 (en) * 2007-04-06 2012-07-24 Shalini Priti System and method for encoding and decoding information in digital signal content
JP4871848B2 (ja) * 2007-11-27 2012-02-08 富士通株式会社 動画像再符号化装置
US8798133B2 (en) 2007-11-29 2014-08-05 Koplar Interactive Systems International L.L.C. Dual channel encoding and detection
CN102752598A (zh) * 2012-07-09 2012-10-24 北京博雅华录视听技术研究院有限公司 快速自适应码率控制方法
CN105103554A (zh) 2013-03-28 2015-11-25 华为技术有限公司 用于保护视频帧序列防止包丢失的方法
CN105474642B (zh) * 2014-05-22 2018-10-26 微软技术许可有限责任公司 使用频域差对图像集合重新编码的方法、系统以及介质
KR102020953B1 (ko) * 2017-04-07 2019-09-11 주식회사 에스원 카메라 영상의 복호화 정보 기반 영상 재 부호화 방법 및 이를 이용한 영상 재부호화 시스템

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387460A (en) * 1979-07-23 1983-06-07 Societe Anonyme De Tele-Communication Supplementary information transmitting arrangement for a digital data transmission system
NL8003873A (nl) * 1980-07-04 1982-02-01 Philips Nv Werkwijze voor het digitaliseren van een tijd-discreet videosignaal met toepassing van een beeld-transformatie.
FR2488089B1 (fr) * 1980-07-29 1988-02-12 Lignes Telegraph Telephon Procede de transcodage d'informations et systeme de transmission utilisant un tel procede
US4438452A (en) * 1981-05-11 1984-03-20 Rca Corporation Transcoder for sampled television signals
DE3138816A1 (de) * 1981-09-30 1983-04-14 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zum speichern oder uebertragen und zum rueckgewinnen von bildsignalen
FR2538979B1 (fr) * 1982-12-29 1985-07-05 Telediffusion Fse Systeme de transcodage de matrices pour videographie a alphabet dynamiquement redefinissable
FR2553954B1 (fr) * 1983-10-21 1990-04-20 Telecommunications Sa Systeme de reception d'informations asynchrones transmises en mode synchrone
FR2595177B1 (fr) * 1986-02-28 1988-05-13 Thomson Csf Procede de compression d'images numeriques et dispositif de mise en oeuvre d'un tel procede
US4776030A (en) * 1986-03-28 1988-10-04 Gte Laboratories Incorporated Block quantizer for transform coding
NL8601447A (nl) * 1986-06-05 1988-01-04 Philips Nv Werkwijze en inrichting voor het opnemen en/of weergeven van videoinformatie in respektievelijk van een registratiedrager, en een registratiedrager verkregen volgens de werkwijze.
US4704628A (en) * 1986-07-16 1987-11-03 Compression Labs, Inc. Combined intraframe and interframe transform coding system
EP0262460A3 (de) * 1986-09-30 1989-10-25 Siemens Aktiengesellschaft Anordnung zur optimierten Gewichtung uebertragener Transformationskoeffizienten bei Transformationscodierern zum Zwecke der Minimierung von Faltungsverzerrungen
FR2606187B1 (fr) * 1986-10-31 1988-12-09 Thomson Grand Public Procede et dispositif de reduction du bruit engendre par un codeur-decodeur d'images numeriques operant par blocs
US4816914A (en) * 1987-01-07 1989-03-28 Pictel Corporation Method and apparatus for efficiently encoding and decoding image sequences
NL8700565A (nl) * 1987-03-10 1988-10-03 Philips Nv Televisiesysteem waarin aan een transformatiekodering onderworpen gedigitaliseerde beeldsignalen worden overgebracht van een kodeerstation naar een dekodeerstation.
NL8700843A (nl) * 1987-04-10 1988-11-01 Philips Nv Televisie-overdrachtsysteem met transformcoding.
JPS63292873A (ja) * 1987-05-26 1988-11-30 Nec Corp ファクシミリのエラ−置換回路
GB8724789D0 (en) * 1987-10-19 1987-11-25 British Telecomm Signal coding
FR2625638B1 (fr) * 1987-12-30 1994-06-17 Thomson Grand Public Procede de synchronisation pour la transmission, sur un canal asynchrone, d'une suite d'images codees au moyen d'un code a longueur variable, et dispositif pour la mise en oeuvre de ce procede
US4821119A (en) * 1988-05-04 1989-04-11 Bell Communications Research, Inc. Method and apparatus for low bit-rate interframe video coding
DE3838609A1 (de) * 1988-11-15 1990-06-13 Thomson Brandt Gmbh Bildverarbeitungssystem
JPH02179186A (ja) * 1988-12-29 1990-07-12 Toshiba Corp Ｔｖ会議システム
US5073821A (en) * 1989-01-30 1991-12-17 Matsushita Electric Industrial Co., Ltd. Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
US5241395A (en) * 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
US5057918A (en) * 1989-09-15 1991-10-15 U.S. Philips Corporation Arrangement for encoding two-dimensional information, grouped in periodical information clusters using motion vector processing in a hybrid DPCM encoder
US5001559A (en) * 1989-10-12 1991-03-19 International Business Machines Corporation Transform coding using coefficient prediction techniques
DE69111633T2 (de) * 1990-01-30 1996-04-04 Philips Electronics Nv Vorrichtungen zur variablen Längen-Kodierung und Dekodierung von digitalen Daten.
DE69122634T2 (de) * 1990-02-06 1997-05-15 Alcatel Italia System, Packetaufbau und Einrichtung zur Verarbeitung der Ausgangsinformation eines Signalkodierers
US5542008A (en) * 1990-02-28 1996-07-30 Victor Company Of Japan, Ltd. Method of and apparatus for compressing image representing signals
US5253078A (en) * 1990-03-14 1993-10-12 C-Cube Microsystems, Inc. System for compression and decompression of video data using discrete cosine transform and coding techniques
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
US5150432A (en) * 1990-03-26 1992-09-22 Kabushiki Kaisha Toshiba Apparatus for encoding/decoding video signals to improve quality of a specific region
US5010402A (en) * 1990-05-17 1991-04-23 Matsushita Electric Industrial Co., Ltd. Video signal compression apparatus
US5079621A (en) * 1990-06-29 1992-01-07 Eastman Kodak Company Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism
US5107348A (en) * 1990-07-11 1992-04-21 Zenith Electronics Corporation Temporal decorrelation of block artifacts
US5126962A (en) * 1990-07-11 1992-06-30 Massachusetts Institute Of Technology Discrete cosine transform processing system
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
GB9022326D0 (en) * 1990-10-15 1990-11-28 British Telecomm Signal coding
FR2668288B1 (fr) * 1990-10-19 1993-01-15 Di Francesco Renaud Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant.
US5161015A (en) * 1990-12-31 1992-11-03 Zenith Electronics Corporation System for peaking a video signal with a control signal representative of the perceptual nature of blocks of video pixels
US5159447A (en) * 1991-05-23 1992-10-27 At&T Bell Laboratories Buffer control for variable bit-rate channel
DE4118571A1 (de) * 1991-06-06 1992-12-10 Philips Patentverwaltung Vorrichtung zur steuerung des quantisierers eines hybrid-kodierers
US5369437A (en) * 1991-08-28 1994-11-29 Nec Corporation Time-varying image signal coding/decoding system
EP0533253B1 (fr) * 1991-09-20 1996-07-10 Philips Composants Et Semiconducteurs Procédé de transcodage de données d'un code thermométrique, décodeur et convertisseur appliquant ce procédé
FR2686751B1 (fr) * 1992-01-24 1997-03-28 France Telecom Procede de decodage a maximum de vraisemblance a treillis de decodage sous-echantillonne, et dispositif de decodage correspondant.
US5313298A (en) * 1992-03-05 1994-05-17 Rubin, Bednarek And Associates, Inc. Video companding method and system
IT1254964B (it) * 1992-04-30 1995-10-11 Italtraco Dispositivo per la separazione dei componenti di miscele di liquidi essenzialmente del tipo acqua/olio, e metodo di separazione che lo utilizza.
US5287182A (en) * 1992-07-02 1994-02-15 At&T Bell Laboratories Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks
JPH06205386A (ja) * 1992-12-28 1994-07-22 Canon Inc 画像再生装置
US5327187A (en) * 1993-02-16 1994-07-05 Polaroid Corporation Film cassette having a force transmitting member motion guiding surface incorporated therein
KR940020832A (ko) * 1993-02-25 1994-09-16 김주용 고선명 텔레비젼의 적응 양자화 방법 및 이를 이용한 시스템 부호기
CN1079001C (zh) * 1993-03-26 2002-02-06 英国电讯有限公司 代码转换器
JP3163830B2 (ja) * 1993-03-29 2001-05-08 ソニー株式会社 画像信号伝送方法及び装置
US5381181A (en) * 1993-05-13 1995-01-10 Thomson Consumer Electronics, Inc. Clock recovery apparatus as for a compressed video signal
JP3085024B2 (ja) * 1993-06-01 2000-09-04 松下電器産業株式会社 画像再圧縮器及び画像記録装置
US5408270A (en) * 1993-06-24 1995-04-18 Massachusetts Institute Of Technology Advanced television system
NL9301358A (nl) * 1993-08-04 1995-03-01 Nederland Ptt Transcodeerinrichting.
US6870886B2 (en) * 1993-12-15 2005-03-22 Koninklijke Philips Electronics N.V. Method and apparatus for transcoding a digitally compressed high definition television bitstream to a standard definition television bitstream

Also Published As

Publication number Publication date
KR100259561B1 (ko) 2000-06-15
DE69520924D1 (de) 2001-06-21
AU2052995A (en) 1996-05-09
AU691268B2 (en) 1998-05-14
NO952221D0 (no) 1995-06-06
EP0710030B1 (en) 2001-05-16
CA2151085A1 (en) 1996-05-01
CA2151085C (en) 2000-08-01
CN1126409A (zh) 1996-07-10
CN1083215C (zh) 2002-04-17
JP3058028B2 (ja) 2000-07-04
EP0710030A1 (en) 1996-05-01
JPH08130743A (ja) 1996-05-21
TW346732B (en) 1998-12-01
US5831688A (en) 1998-11-03

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