DE69721847D1 - Bilddekoder, bildenkoder und bildkommunikationssystem - Google Patents

Bilddekoder, bildenkoder und bildkommunikationssystem

Info

Publication number
DE69721847D1
DE69721847D1 DE69721847T DE69721847T DE69721847D1 DE 69721847 D1 DE69721847 D1 DE 69721847D1 DE 69721847 T DE69721847 T DE 69721847T DE 69721847 T DE69721847 T DE 69721847T DE 69721847 D1 DE69721847 D1 DE 69721847D1
Authority
DE
Germany
Prior art keywords
image
communication system
coder
decoder
image communication
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
DE69721847T
Other languages
English (en)
Other versions
DE69721847T2 (de
Inventor
Yoshimi Isu
Shunichi Sekiguchi
Kohtaro Asai
Hirofumi Nishikawa
Shinichi Kuroda
Yuri Hasegawa
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.)
Mitsubishi Electric Corp
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 DE69721847D1 publication Critical patent/DE69721847D1/de
Application granted granted Critical
Publication of DE69721847T2 publication Critical patent/DE69721847T2/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
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/40—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
DE1997621847 1997-10-23 1997-10-23 Bilddekoder, bildenkoder und bildkommunikationssystem Expired - Lifetime DE69721847T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/003846 WO1999022524A1 (en) 1997-10-23 1997-10-23 Image decoder, image encoder, image communication system, and encoded bit stream converter

Publications (2)

Publication Number Publication Date
DE69721847D1 true DE69721847D1 (de) 2003-06-12
DE69721847T2 DE69721847T2 (de) 2004-03-11

Family

ID=14181361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997621847 Expired - Lifetime DE69721847T2 (de) 1997-10-23 1997-10-23 Bilddekoder, bildenkoder und bildkommunikationssystem

Country Status (7)

Country Link
US (16) US6862320B1 (de)
EP (1) EP1032219B1 (de)
JP (1) JP3573759B2 (de)
KR (7) KR20010031320A (de)
DE (1) DE69721847T2 (de)
HK (1) HK1030705A1 (de)
WO (1) WO1999022524A1 (de)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010031320A (ko) * 1997-10-23 2001-04-16 다니구찌 이찌로오, 기타오카 다카시 화상 복호화 장치, 화상 부호화 장치, 화상 통신 시스템및 부호화 비트 스트림 변환장치
JP3860323B2 (ja) * 1997-10-27 2006-12-20 三菱電機株式会社 画像復号化装置、画像復号化方法
US6636222B1 (en) * 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
GB2362533A (en) * 2000-05-15 2001-11-21 Nokia Mobile Phones Ltd Encoding a video signal with an indicator of the type of error concealment used
JP2002034021A (ja) * 2000-07-14 2002-01-31 Mitsubishi Electric Corp 画像信号蓄積再生装置および画像信号送信装置
FR2828614A1 (fr) * 2001-08-07 2003-02-14 Koninkl Philips Electronics Nv Methode de codage et de decodage video pour pallier les pertes de donnees dans un signal video code transmis sur un canal
US8275047B2 (en) * 2001-09-20 2012-09-25 Xilinx, Inc. Method and device for block-based conditional motion compensation
FR2831016A1 (fr) * 2001-10-11 2003-04-18 Thomson Licensing Sa Procede et dispositif de decodage de donnees video codees selon la norme mpeg
JP4130783B2 (ja) 2002-04-23 2008-08-06 松下電器産業株式会社 動きベクトル符号化方法および動きベクトル復号化方法
EP1418762A1 (de) * 2002-05-22 2004-05-12 Matsushita Electric Industrial Co., Ltd. Kodierungsverfahren für bewegliche bilder, dekodierungsverfahren für bewegliche bilder und datenaufzeichnungsmedium
EP1569460B1 (de) * 2002-11-25 2013-05-15 Panasonic Corporation Bewegungskompensationsverfahren, bildcodierungsverfahren und bilddecodierungsverfahren
KR100522595B1 (ko) * 2002-11-29 2005-10-19 삼성전자주식회사 엠펙 비디오 복호화방법 및 엠펙 비디오 복호화기
KR100604032B1 (ko) * 2003-01-08 2006-07-24 엘지전자 주식회사 복수 코덱을 지원하는 장치와 방법
DE20301518U1 (de) * 2003-01-31 2003-06-18 Trw Repa Gmbh Gurtspule für einen Sicherheitsgurtaufroller
WO2004088989A1 (en) * 2003-04-04 2004-10-14 Koninklijke Philips Electronics N.V. Video encoding and decoding methods and corresponding devices
JP2006525722A (ja) * 2003-05-06 2006-11-09 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオ符号化及び復号化方法、並びに対応する符号化及び復号化装置
KR100566191B1 (ko) * 2003-07-30 2006-03-29 삼성전자주식회사 Ｈ.263 멀티미디어 칩을 이용한 엠펙-4 부호화기
US20050100098A1 (en) * 2003-10-23 2005-05-12 Gong-Sheng Lin Highly integrated mpeg-4 video decoding unit
JP4238720B2 (ja) * 2003-12-19 2009-03-18 ソニー株式会社 画像信号の処理装置および処理方法、画像信号の処理基板、画像信号処理システム、並びにプログラムおよびそれを記録した媒体
KR100619822B1 (ko) 2003-12-24 2006-09-13 엘지전자 주식회사 영상처리 장치 및 방법
KR20050078099A (ko) * 2004-01-30 2005-08-04 삼성전자주식회사 적응적으로 키 프레임을 삽입하는 비디오 코딩 장치 및 방법
WO2006009344A1 (en) * 2004-07-22 2006-01-26 Electronics And Telecommunications Research Institute Saf synchronization layer packet structure and server system therefor
US8149922B2 (en) 2004-10-22 2012-04-03 Humax Co., Ltd. Device and method for merging different video codec
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
JP4612721B2 (ja) * 2005-07-20 2011-01-12 ヒューマックス カンパニーリミテッド 復号化器及びビットストリーム復号化方法
US8488889B2 (en) * 2005-07-22 2013-07-16 Mitsubishi Electric Corporation Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recorded with image encoding program and computer readable recording medium recorded with image decoding program
EP1909508A4 (de) * 2005-07-22 2011-05-25 Mitsubishi Electric Corp Bildkodiervorrichtung, bilddekodiervorrichtung, bildkodierverfahren, bilddekodierverfahren, bildkodierprogramm, bilddekodierprogramm, computerlesbares aufzeichnungsmedium mit darauf aufgezeichnetem bildkodierprogramm und computerlesbares aufzeichnungsmedium mit darauf aufgezeichnetem bilddekodierprogramm
US8509551B2 (en) * 2005-07-22 2013-08-13 Mitsubishi Electric Corporation Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recording with image encoding program and computer readable recording medium recorded with image decoding program
US7822278B1 (en) * 2005-09-20 2010-10-26 Teradici Corporation Methods and apparatus for encoding a digital video signal
KR100723411B1 (ko) * 2005-09-08 2007-05-30 삼성전자주식회사 멀티 코덱용 변환 장치 및 방법과 멀티 코덱용 역변환 장치및 방법
KR100654601B1 (ko) * 2005-10-06 2006-12-08 주식회사 휴맥스 통합 코덱 장치 및 방법
ZA200805337B (en) 2006-01-09 2009-11-25 Thomson Licensing Method and apparatus for providing reduced resolution update mode for multiview video coding
KR101232780B1 (ko) * 2006-01-12 2013-09-03 (주)휴맥스 통합 코덱 장치 및 방법
CN101336454B (zh) * 2006-03-06 2011-04-13 三菱电机株式会社 压缩编码数据重放装置和该装置的压缩编码数据的解码/重放方法
DE102006012449A1 (de) * 2006-03-17 2007-09-20 Benq Mobile Gmbh & Co. Ohg Verfahren zum Dekodieren eines Datenstroms und Empfänger
WO2007114586A1 (en) * 2006-03-31 2007-10-11 Humax Co., Ltd. Device and method for unified codecs
KR100767606B1 (ko) * 2006-03-31 2007-10-18 주식회사 휴맥스 통합 코덱 장치 및 방법
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7995649B2 (en) * 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US20070237237A1 (en) * 2006-04-07 2007-10-11 Microsoft Corporation Gradient slope detection for video compression
US8503536B2 (en) * 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8130828B2 (en) * 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7974340B2 (en) * 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
JP2007306317A (ja) * 2006-05-11 2007-11-22 Nec Corp メディアモニタシステムおよびメディアモニタ方法
KR100841558B1 (ko) * 2006-10-18 2008-06-26 주식회사 휴맥스 계층 구조를 이용한 디코딩 방법 및 장치
US8315466B2 (en) * 2006-12-22 2012-11-20 Qualcomm Incorporated Decoder-side region of interest video processing
US8238424B2 (en) * 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
KR100902007B1 (ko) 2007-02-28 2009-06-11 삼성전자주식회사 비디오 스트림 처리 장치
US20080240257A1 (en) * 2007-03-26 2008-10-02 Microsoft Corporation Using quantization bias that accounts for relations between transform bins and quantization bins
US8498335B2 (en) * 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
KR101305491B1 (ko) * 2007-04-17 2013-09-17 (주)휴맥스 비트스트림 디코딩 장치 및 방법
US8442337B2 (en) * 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
CN101543080B (zh) * 2007-04-23 2012-06-20 松下电器产业株式会社 解码电路、解码方法及图像再生装置
US8331438B2 (en) * 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US20090003449A1 (en) * 2007-06-28 2009-01-01 Mitsubishi Electric Corporation Image encoding device, image decoding device, image encoding method and image decoding method
US8189933B2 (en) * 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8005152B2 (en) 2008-05-21 2011-08-23 Samplify Systems, Inc. Compression of baseband signals in base transceiver systems
US8897359B2 (en) * 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
JP2010033125A (ja) * 2008-07-25 2010-02-12 Hitachi Ltd ストレージ装置及びデータ転送方法
KR20110091000A (ko) * 2008-11-07 2011-08-10 미쓰비시덴키 가부시키가이샤 화상 부호화 장치 및 화상 복호 장치
KR100968374B1 (ko) 2008-11-14 2010-07-09 주식회사 코아로직 헤더 정보 정렬에 의한 데이터의 처리방법, 데이터 자료의 처리장치, 및 그 처리장치를 포함한 데이터 처리장비
CN101742324A (zh) * 2008-11-14 2010-06-16 北京中星微电子有限公司 视频编解码方法、视频编解码系统及编解码器
US8588295B2 (en) * 2009-03-09 2013-11-19 Mediatek Inc. Methods and electronic devices for quantization and de-quantization
US9774875B2 (en) * 2009-03-10 2017-09-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Lossless and near-lossless image compression
CN102055966B (zh) 2009-11-04 2013-03-20 腾讯科技（深圳）有限公司 一种媒体文件的压缩方法和系统
US8407557B2 (en) * 2009-12-03 2013-03-26 Osocad Remote Limited Liability Company System, method and computer readable medium for communication of encoded messages
US8649388B2 (en) 2010-09-02 2014-02-11 Integrated Device Technology, Inc. Transmission of multiprotocol data in a distributed antenna system
US9020033B2 (en) * 2010-11-04 2015-04-28 Nice-Systems Ltd. System and method for enhancing compression using skip macro block on a compressed video
JP2012124653A (ja) * 2010-12-07 2012-06-28 Canon Inc 符号化装置、符号化方法およびプログラム
EP2675167B1 (de) 2011-02-10 2018-06-20 Sun Patent Trust Verfahren zur kodierung bewegter bilder, vorrichtung zur kodierung bewegter bilder, verfahren zur dekodierung bewegter bilder, vorrichtung zur dekodierung bewegter bilder und vorrichtung zur kodierung/dekodierung bewegter bilder
JP5982806B2 (ja) * 2011-12-13 2016-08-31 富士通株式会社 電子透かし埋め込み装置、電子透かし埋め込み方法及び電子透かし検出装置
US20130170543A1 (en) * 2011-12-30 2013-07-04 Ning Lu Systems, methods, and computer program products for streaming out of data for video transcoding and other applications
US9215296B1 (en) 2012-05-03 2015-12-15 Integrated Device Technology, Inc. Method and apparatus for efficient radio unit processing in a communication system
US9203933B1 (en) 2013-08-28 2015-12-01 Integrated Device Technology, Inc. Method and apparatus for efficient data compression in a communication system
US9553954B1 (en) 2013-10-01 2017-01-24 Integrated Device Technology, Inc. Method and apparatus utilizing packet segment compression parameters for compression in a communication system
US9398489B1 (en) 2013-10-09 2016-07-19 Integrated Device Technology Method and apparatus for context based data compression in a communication system
US8989257B1 (en) 2013-10-09 2015-03-24 Integrated Device Technology Inc. Method and apparatus for providing near-zero jitter real-time compression in a communication system
US9485688B1 (en) 2013-10-09 2016-11-01 Integrated Device Technology, Inc. Method and apparatus for controlling error and identifying bursts in a data compression system
US10116943B2 (en) * 2013-10-16 2018-10-30 Nvidia Corporation Adaptive video compression for latency control
US9313300B2 (en) 2013-11-07 2016-04-12 Integrated Device Technology, Inc. Methods and apparatuses for a unified compression framework of baseband signals
JP6052319B2 (ja) * 2015-03-25 2016-12-27 Ｎｔｔエレクトロニクス株式会社 動画像符号化装置
EP3657807A4 (de) * 2017-07-20 2020-05-27 Sony Corporation Sendevorrichtung, sendeverfahren, empfangsvorrichtung und empfangsverfahren
WO2022026480A1 (en) * 2020-07-27 2022-02-03 Beijing Dajia Internet Information Technology Co., Ltd. Weighted ac prediction for video coding

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3070110B2 (ja) * 1991-02-27 2000-07-24 日本電気株式会社 動画像信号の伝送システム
JPH06125539A (ja) 1992-10-14 1994-05-06 Nippon Telegr & Teleph Corp <Ntt> 画像符号化装置
JPH0730763A (ja) * 1993-07-07 1995-01-31 Hitachi Ltd ストレージメディアの画像符号化装置並びに復号化装置
NL9301358A (nl) 1993-08-04 1995-03-01 Nederland Ptt Transcodeerinrichting.
US5452006A (en) * 1993-10-25 1995-09-19 Lsi Logic Corporation Two-part synchronization scheme for digital video decoders
JP2862064B2 (ja) * 1993-10-29 1999-02-24 三菱電機株式会社 データ復号装置及びデータ受信装置及びデータ受信方法
JPH07143475A (ja) * 1993-11-12 1995-06-02 Hitachi Ltd 画像データ変換システム
JP3164971B2 (ja) * 1994-07-15 2001-05-14 日本電気株式会社 画像再生装置
JPH0879758A (ja) 1994-08-31 1996-03-22 Fujitsu Ltd 動き補償予測器
US5566089A (en) 1994-10-26 1996-10-15 General Instrument Corporation Of Delaware Syntax parser for a video decompression processor
US5629736A (en) 1994-11-01 1997-05-13 Lucent Technologies Inc. Coded domain picture composition for multimedia communications systems
US5473376A (en) * 1994-12-01 1995-12-05 Motorola, Inc. Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system
KR100226528B1 (ko) * 1995-03-29 1999-10-15 가나이 쓰도무 다중화 압축화상/음성데이타의 복호장치
JPH08268655A (ja) 1995-03-31 1996-10-15 Mitsubishi Electric Corp リニアモータエレベータの制御装置
JPH08298655A (ja) 1995-04-27 1996-11-12 Fujitsu Ltd Ｔｖ会議／ビデオ・オン・デマンド自動切替方法及び装置
TW303570B (de) * 1995-09-29 1997-04-21 Matsushita Electric Ind Co Ltd
JP3258217B2 (ja) 1995-10-25 2002-02-18 シャープ株式会社 符号化／復号化の方法及びその装置
KR100211916B1 (ko) * 1995-10-26 1999-08-02 김영환 물체 모양정보 부호화에서의 부호화타입과 모드의 결정방법
JPH09139937A (ja) * 1995-11-14 1997-05-27 Fujitsu Ltd 動画ストリーム変換装置
KR0157570B1 (ko) * 1995-11-24 1999-02-18 김광호 복수경로를 통해 mpeg2 비트열을 복호하는 복호화장치
DE19547707A1 (de) * 1995-12-20 1997-07-03 Thomson Brandt Gmbh Verfahren, Encoder und Decoder zur Übertragung von hierarchisch in mehrere Teile gegliederten digitalen Signalen
EP0894404B1 (de) * 1996-04-18 2000-01-26 Nokia Mobile Phones Ltd. Videodatenkodierer und -dekodierer
US5793314A (en) * 1996-07-03 1998-08-11 Motorola, Inc. Method and apparatus for bound-based adaptive entropy encoding/decoding
US5790706A (en) * 1996-07-03 1998-08-04 Motorola, Inc. Method and apparatus for scanning of transform coefficients
US6055330A (en) * 1996-10-09 2000-04-25 The Trustees Of Columbia University In The City Of New York Methods and apparatus for performing digital image and video segmentation and compression using 3-D depth information
US6614845B1 (en) * 1996-12-24 2003-09-02 Verizon Laboratories Inc. Method and apparatus for differential macroblock coding for intra-frame data in video conferencing systems
JP2933133B2 (ja) * 1997-01-28 1999-08-09 日本電気株式会社 ディジタル映像信号多重方式および分離方式
US6002803A (en) * 1997-03-11 1999-12-14 Sharp Laboratories Of America, Inc. Methods of coding the order information for multiple-layer vertices
JP3191922B2 (ja) * 1997-07-10 2001-07-23 松下電器産業株式会社 画像復号化方法
US6400400B1 (en) * 1997-07-30 2002-06-04 Sarnoff Corporation Method and apparatus for automated testing of a video decoder
KR20010031320A (ko) * 1997-10-23 2001-04-16 다니구찌 이찌로오, 기타오카 다카시 화상 복호화 장치, 화상 부호화 장치, 화상 통신 시스템및 부호화 비트 스트림 변환장치
US6768775B1 (en) * 1997-12-01 2004-07-27 Samsung Electronics Co., Ltd. Video CODEC method in error resilient mode and apparatus therefor
US6028639A (en) * 1997-12-19 2000-02-22 Thomson Consumer Electronics, Inc. Process and apparatus for converting an MPEG-2 bitstream into SMPTE-259 compatible bitstream
US6611624B1 (en) * 1998-03-13 2003-08-26 Cisco Systems, Inc. System and method for frame accurate splicing of compressed bitstreams
US6104757A (en) * 1998-05-15 2000-08-15 North Carolina State University System and method of error control for interactive low-bit rate video transmission
US6775325B1 (en) * 1998-10-07 2004-08-10 Sarnoff Corporation Method and apparatus for converting the bitrate of an encoded bitstream without full re-encoding
GB9908809D0 (en) * 1999-04-16 1999-06-09 Sony Uk Ltd Signal processor
JP2001148858A (ja) * 1999-11-18 2001-05-29 Sony Corp 画像情報変換装置及び画像情報変換方法
EP1149494A1 (de) * 1999-11-23 2001-10-31 Koninklijke Philips Electronics N.V. Nahtloses umschalten von mpeg-kodierten videodatenströmen
US6925097B2 (en) * 2000-03-29 2005-08-02 Matsushita Electric Industrial Co., Ltd. Decoder, decoding method, multiplexer, and multiplexing method
KR100433516B1 (ko) * 2000-12-08 2004-05-31 삼성전자주식회사 트랜스코딩 방법
US6765966B2 (en) * 2000-12-19 2004-07-20 General Instrument Corporation Methods and apparatus for re-encoding a high definition television signal to create a standard definition television signal
GB2372657B (en) * 2001-02-21 2005-09-21 Sony Uk Ltd Signal processing
US6925501B2 (en) * 2001-04-17 2005-08-02 General Instrument Corporation Multi-rate transcoder for digital streams
US7123655B2 (en) * 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US6629736B2 (en) * 2001-10-30 2003-10-07 Hayes Lemmerz International, Inc. Fabricated vehicle wheel
US6763068B2 (en) * 2001-12-28 2004-07-13 Nokia Corporation Method and apparatus for selecting macroblock quantization parameters in a video encoder
US7092448B2 (en) * 2002-05-24 2006-08-15 Koninklijke Philips Electronics N.V. Method and system for estimating no-reference objective quality of video data
KR100604032B1 (ko) * 2003-01-08 2006-07-24 엘지전자 주식회사 복수 코덱을 지원하는 장치와 방법

Also Published As

Publication number Publication date
EP1032219A1 (de) 2000-08-30
US20060013494A1 (en) 2006-01-19
US6862320B1 (en) 2005-03-01
US20080063057A1 (en) 2008-03-13
KR100487989B1 (ko) 2005-05-09
KR100533443B1 (ko) 2005-12-06
KR20040049319A (ko) 2004-06-11
JP3573759B2 (ja) 2004-10-06
KR20040099465A (ko) 2004-11-26
US8045623B2 (en) 2011-10-25
US20100118975A1 (en) 2010-05-13
US8155187B2 (en) 2012-04-10
KR20010031320A (ko) 2001-04-16
US8040956B2 (en) 2011-10-18
US20080056590A1 (en) 2008-03-06
EP1032219A4 (de) 2001-08-16
US8036277B2 (en) 2011-10-11
KR20040106373A (ko) 2004-12-17
US8036278B2 (en) 2011-10-11
WO1999022524A1 (en) 1999-05-06
US20050141610A1 (en) 2005-06-30
US20080101475A1 (en) 2008-05-01
US20100118936A1 (en) 2010-05-13
US7469009B2 (en) 2008-12-23
KR100511693B1 (ko) 2005-09-02
US8045624B2 (en) 2011-10-25
KR20050010766A (ko) 2005-01-28
US8054889B2 (en) 2011-11-08
US20100118976A1 (en) 2010-05-13
EP1032219B1 (de) 2003-05-07
US7720149B2 (en) 2010-05-18
US8040955B2 (en) 2011-10-18
US8031781B2 (en) 2011-10-04
US7469008B2 (en) 2008-12-23
US20080063088A1 (en) 2008-03-13
KR100487988B1 (ko) 2005-05-09
KR100531566B1 (ko) 2005-11-29
HK1030705A1 (en) 2001-05-11
KR20030051659A (ko) 2003-06-25
US8036279B2 (en) 2011-10-11
US20080056359A1 (en) 2008-03-06
US20080056385A1 (en) 2008-03-06
US20060013301A1 (en) 2006-01-19
US8005143B2 (en) 2011-08-23
KR100487986B1 (ko) 2005-05-09
US20080056360A1 (en) 2008-03-06
US8045617B2 (en) 2011-10-25
KR20040054816A (ko) 2004-06-25
DE69721847T2 (de) 2004-03-11
US20080063086A1 (en) 2008-03-13
US20080063053A1 (en) 2008-03-13

Similar Documents

Publication Publication Date Title
DE69721847D1 (de) Bilddekoder, bildenkoder und bildkommunikationssystem
DE69726670D1 (de) Bildkoder, Bilddekoder und Bildübertragungssystem
DE966820T1 (de) Internetkommunikationssystem
DE69703705D1 (de) Kommunikationssystem
DE69725136D1 (de) Atemmaske
DE69836715D1 (de) Nachrichtenübertragungssystem
DE69504832D1 (de) Kommunikationssystem
DE69728595D1 (de) Postversandsystem
NO985243D0 (no) Seksjonert driftssystem
DE69504337D1 (de) Kommunikationssystem
DE59510291D1 (de) Kommunikationssystem
DE59811803D1 (de) Kommunikationssystem
DE69511093D1 (de) Kommunikationssystem
DE69823307D1 (de) Digitales Übertragungssystem, Dekoder und Dekodierungsverfahren
FI952821A (fi) Viestintäjärjestelmä
DE69630899D1 (de) Kommunikationssystem
DE69736926D1 (de) Videokodierer, -dekodierer und Übertragungssystem
DE69520110D1 (de) Kommunikationssystem
DE59802979D1 (de) Kommunikationssystem
DE69518391D1 (de) Kommunikationssystem
EE03721B1 (et) Maapealne sidesüsteem
DE9420759U1 (de) Kommunikationssystem
NO955249D0 (no) Kommunikasjonssystem
DE29701351U1 (de) Verglasungssystem
BR9603354A (pt) Máscara de reversão simplificada

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)