DE69322769T2 - Koder für zeitveränderliche bilder - Google Patents

Koder für zeitveränderliche bilder

Info

Publication number
DE69322769T2
DE69322769T2 DE69322769T DE69322769T DE69322769T2 DE 69322769 T2 DE69322769 T2 DE 69322769T2 DE 69322769 T DE69322769 T DE 69322769T DE 69322769 T DE69322769 T DE 69322769T DE 69322769 T2 DE69322769 T2 DE 69322769T2
Authority
DE
Germany
Prior art keywords
signal
resolution
prediction
low
coding
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
DE69322769T
Other languages
German (de)
English (en)
Other versions
DE69322769D1 (de
Inventor
Yoshihiro Creare Toshiba Yoshinocho 604 Yokohama-Shi Kanagawa-Ken 232 Kikuchi
Toshinori Yokohama-Shi Kanagawa-Ken 232 Odaka
Tadahiro Urayasu-Shi Chiba-Ken 279 Oku
Hideyuki Tokyo 155 Ueno
Noboru Yashio-Shi Saitama-Ken 340 Yamaguchi
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP25346692A external-priority patent/JP3032088B2/ja
Priority claimed from JP34953692A external-priority patent/JPH06205397A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69322769D1 publication Critical patent/DE69322769D1/de
Application granted granted Critical
Publication of DE69322769T2 publication Critical patent/DE69322769T2/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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/50—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
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69322769T 1992-03-03 1993-03-03 Koder für zeitveränderliche bilder Expired - Fee Related DE69322769T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4567892 1992-03-03
JP25346692A JP3032088B2 (ja) 1992-03-03 1992-08-31 動画像符号化装置
JP34953692A JPH06205397A (ja) 1992-12-28 1992-12-28 動画像符号化装置
PCT/JP1993/000275 WO1993018618A1 (fr) 1992-03-03 1993-03-03 Codeur d'image a variation temporelle

Publications (2)

Publication Number Publication Date
DE69322769D1 DE69322769D1 (de) 1999-02-04
DE69322769T2 true DE69322769T2 (de) 1999-07-22

Family

ID=27292340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322769T Expired - Fee Related DE69322769T2 (de) 1992-03-03 1993-03-03 Koder für zeitveränderliche bilder

Country Status (4)

Country Link
US (2) US5418570A (cg-RX-API-DMAC10.html)
EP (1) EP0631444B1 (cg-RX-API-DMAC10.html)
DE (1) DE69322769T2 (cg-RX-API-DMAC10.html)
WO (1) WO1993018618A1 (cg-RX-API-DMAC10.html)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69322769T2 (de) * 1992-03-03 1999-07-22 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Koder für zeitveränderliche bilder
US5614952A (en) * 1994-10-11 1997-03-25 Hitachi America, Ltd. Digital video decoder for decoding digital high definition and/or digital standard definition television signals
JP3374989B2 (ja) * 1993-03-26 2003-02-10 ソニー株式会社 画像信号符号化方法および画像信号符号化装置、ならびに画像信号復号化方法および画像信号復号化装置
KR970000683B1 (ko) * 1993-05-31 1997-01-16 삼성전자 주식회사 해상도 가변 적응적 화상압축/복원방법 및 장치
BE1007681A3 (nl) * 1993-10-29 1995-09-12 Philips Electronics Nv Inrichting voor het overdragen van televisiebeelden en inrichting voor het ontvangen daarvan.
US6137835A (en) * 1993-11-16 2000-10-24 Canon Kabushiki Kaisha Picture coding apparatus using orthogonal transforms
EP0701763A1 (en) * 1994-03-30 1996-03-20 Apple Computer, Inc. Video image sampling lattice for vhs format magnetic tape applications
EP0720383B1 (en) * 1994-12-30 2000-09-13 Daewoo Electronics Co., Ltd Method and apparatus for detecting motion vectors in a frame decimating video encoder
US5943096A (en) * 1995-03-24 1999-08-24 National Semiconductor Corporation Motion vector based frame insertion process for increasing the frame rate of moving images
JPH09121358A (ja) * 1995-10-25 1997-05-06 Matsushita Electric Ind Co Ltd 画像符号化及び復号化装置と方法
US5825927A (en) * 1996-01-16 1998-10-20 Hitachi America, Ltd. Methods and apparatus for encoding video data in a manner that is well suited for decoding by regular or downconverting decoders
US5768537A (en) * 1996-02-22 1998-06-16 International Business Machines Corporation Scalable MPEG2 compliant video encoder
US6031575A (en) * 1996-03-22 2000-02-29 Sony Corporation Method and apparatus for encoding an image signal, method and apparatus for decoding an image signal, and recording medium
JPH1023425A (ja) * 1996-07-01 1998-01-23 Sony Corp 画像符号化装置および方法、画像復号化装置および方法、並びに画像記録媒体
JP3224514B2 (ja) * 1996-08-21 2001-10-29 シャープ株式会社 動画像符号化装置および動画像復号装置
US6259738B1 (en) * 1996-10-31 2001-07-10 Kabushiki Kaisha Toshiba Video encoding apparatus and video decoding apparatus
JP4034380B2 (ja) * 1996-10-31 2008-01-16 株式会社東芝 画像符号化／復号化方法及び装置
WO1998031151A1 (en) 1997-01-10 1998-07-16 Matsushita Electric Industrial Co., Ltd. Image processing method, image processing device, and data recording medium
JPH10304381A (ja) * 1997-05-01 1998-11-13 Fujitsu Ltd 動画像符号化装置及び方法
JPH10327415A (ja) * 1997-05-22 1998-12-08 Mitsubishi Electric Corp 動きベクトル検出装置
JP3844844B2 (ja) * 1997-06-06 2006-11-15 富士通株式会社 動画像符号化装置及び動画像符号化方法
JPH1169345A (ja) * 1997-06-11 1999-03-09 Fujitsu Ltd フレーム間予測動画像符号化装置及び復号装置並びにフレーム間予測動画像符号化方法及び復号方法
CN1279757C (zh) * 1997-07-18 2006-10-11 索尼公司 图像信号复用装置和方法、分解装置和方法
JP3813320B2 (ja) * 1997-08-27 2006-08-23 株式会社東芝 動きベクトル検出方法および装置
JP3099809B2 (ja) * 1998-06-04 2000-10-16 日本電気株式会社 片フィールドデータによるフレーム表示方法および装置
JP2000023162A (ja) 1998-06-29 2000-01-21 Sony Corp 符号化装置及び符号化方法
GB9817765D0 (en) * 1998-08-17 1998-10-14 James Dilip D Fixed length coding for digital image compression
US6628714B1 (en) * 1998-12-18 2003-09-30 Zenith Electronics Corporation Down converting MPEG encoded high definition sequences to lower resolution with reduced memory in decoder loop
JP2000244921A (ja) * 1999-02-24 2000-09-08 Matsushita Electric Ind Co Ltd 映像符号化方法および装置
GB2348064A (en) * 1999-03-16 2000-09-20 Mitsubishi Electric Inf Tech Motion vector field encoding
US6907073B2 (en) * 1999-12-20 2005-06-14 Sarnoff Corporation Tweening-based codec for scaleable encoders and decoders with varying motion computation capability
US6765964B1 (en) 2000-12-06 2004-07-20 Realnetworks, Inc. System and method for intracoding video data
EP1649697B1 (en) * 2000-12-06 2008-09-17 RealNetworks, Inc. Intra coding video data apparatuses
US20020126759A1 (en) 2001-01-10 2002-09-12 Wen-Hsiao Peng Method and apparatus for providing prediction mode fine granularity scalability
US7113223B2 (en) * 2001-04-20 2006-09-26 Mti Film Llc High resolution color conforming
DE60230666D1 (de) 2001-11-29 2009-02-12 Panasonic Corp Verfahren zur beseitigung von kodierungsverzerrung und verfahren zur videokodierung und -dekodierung
KR100958982B1 (ko) * 2001-11-29 2010-05-20 파나소닉 주식회사 코딩 왜곡 제거 방법
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
JP3840129B2 (ja) * 2002-03-15 2006-11-01 株式会社東芝 動きベクトル検出方法と装置、補間画像作成方法と装置及び画像表示システム
US7305034B2 (en) * 2002-04-10 2007-12-04 Microsoft Corporation Rounding control for multi-stage interpolation
US7170937B2 (en) * 2002-05-01 2007-01-30 Texas Instruments Incorporated Complexity-scalable intra-frame prediction technique
JP3839353B2 (ja) * 2002-05-27 2006-11-01 株式会社モノリス 画像符号化方法と装置および画像復号方法および装置
US7386048B2 (en) * 2002-05-28 2008-06-10 Sharp Laboratories Of America, Inc. Methods and systems for image intra-prediction mode organization
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
US7154952B2 (en) 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
JP2004179953A (ja) * 2002-11-27 2004-06-24 Matsushita Electric Ind Co Ltd 画像サーバと画像サーバシステム、カメラ画像のネットワーク伝送及び表示方法
US7720151B2 (en) * 2003-02-11 2010-05-18 Texas Instruments Incorporated Motion estimation using early decision for goodness of estimation with quick convergence feedback
KR20060105409A (ko) 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
US8761252B2 (en) * 2003-03-27 2014-06-24 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
US7580460B2 (en) * 2003-03-28 2009-08-25 Sony Corporation Video encoder with multiple outputs having different attributes
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
CN100507811C (zh) * 2004-06-03 2009-07-01 希尔克瑞斯特实验室公司 用于生成可缩放的用户界面的系统及方法
JP2006174415A (ja) * 2004-11-19 2006-06-29 Ntt Docomo Inc 画像復号装置、画像復号プログラム、画像復号方法、画像符号化装置、画像符号化プログラム及び画像符号化方法
US8660180B2 (en) * 2005-04-01 2014-02-25 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
KR100878824B1 (ko) 2005-04-01 2009-01-14 엘지전자 주식회사 스케일러블 비디오 신호 인코딩 및 디코딩 방법
WO2006104363A1 (en) * 2005-04-01 2006-10-05 Lg Electronics Inc. Method for scalably encoding and decoding video signal
EP1878248A4 (en) * 2005-04-01 2012-11-21 Lg Electronics Inc METHOD FOR SCALABLE CODING AND DECODING A VIDEO SIGNAL
WO2006104366A1 (en) * 2005-04-01 2006-10-05 Lg Electronics Inc. Method for scalably encoding and decoding video signal
US7636480B2 (en) * 2005-06-10 2009-12-22 Xerox Corporation Super resolution encoding
US8755434B2 (en) * 2005-07-22 2014-06-17 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
FR2889778A1 (fr) * 2005-08-12 2007-02-16 Thomson Licensing Sas Procede de codage et de decodage d'images video avec echelonnabilite spatiale
FR2896371B1 (fr) * 2006-01-19 2008-11-07 Canon Kk Procede et dispositif de traitement d'une sequence d'images numeriques au format extensible
KR101330630B1 (ko) 2006-03-13 2013-11-22 삼성전자주식회사 최적인 예측 모드를 적응적으로 적용하여 동영상을부호화하는 방법 및 장치, 동영상을 복호화하는 방법 및장치
US7817184B1 (en) 2006-03-15 2010-10-19 The Directv Group, Inc. Methods and apparatus to test receivers
WO2008023316A2 (en) * 2006-08-21 2008-02-28 Nxp B.V. Motion-compensated processing of image signals
FR2906433B1 (fr) * 2006-09-22 2009-02-27 Canon Kk Procedes et dispositifs de codage et de decodage d'images, programme d'ordinateur les mettant en oeuvre et support d'informaton permettant de les mettre en oeuvre
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
JP5286805B2 (ja) * 2008-01-31 2013-09-11 沖電気工業株式会社 動きベクトル検出装置及び方法、動画像符号化装置及び方法、並びに、動画像復号化装置及び方法
CN102100071B (zh) * 2008-07-25 2013-01-02 索尼公司 图像处理设备和方法
US8254467B2 (en) * 2008-10-30 2012-08-28 Sensio Technologies Inc. Method and system for scaling compressed image frames
EP2371138B1 (en) 2008-12-25 2012-10-24 Dolby Laboratories Licensing Corporation Reconstruction of de-interleaved views, using adaptive interpolation based on disparity between the views for up-sampling.
US8311115B2 (en) * 2009-01-29 2012-11-13 Microsoft Corporation Video encoding using previously calculated motion information
US8396114B2 (en) * 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US8270473B2 (en) * 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US9654792B2 (en) 2009-07-03 2017-05-16 Intel Corporation Methods and systems for motion vector derivation at a video decoder
US8675137B2 (en) * 2010-04-13 2014-03-18 Newport Media, Inc. Apparatus and method for adaptive filtering
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
US8548062B2 (en) * 2010-07-16 2013-10-01 Sharp Laboratories Of America, Inc. System for low resolution power reduction with deblocking flag
US9602819B2 (en) * 2011-01-31 2017-03-21 Apple Inc. Display quality in a variable resolution video coder/decoder system
US9066110B2 (en) 2011-03-08 2015-06-23 Texas Instruments Incorporated Parsing friendly and error resilient merge flag coding in video coding
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
GB2496015B (en) 2012-09-05 2013-09-11 Imagination Tech Ltd Pixel buffering
JP2017011458A (ja) * 2015-06-19 2017-01-12 富士通株式会社 符号化データ生成プログラム、符号化データ生成方法および符号化データ生成装置
US10187655B2 (en) * 2015-09-30 2019-01-22 Apple Inc. Memory-to-memory low resolution motion estimation systems and methods
CN113228675B (zh) * 2018-12-21 2024-08-06 北京字节跳动网络技术有限公司 视频处理中的运动矢量比特深度

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56143776A (en) * 1980-04-09 1981-11-09 Nec Corp Interframe encoder
JPS58191586A (ja) * 1982-05-01 1983-11-08 Nippon Hoso Kyokai <Nhk> 画像信号内插方式
JPS58210777A (ja) * 1982-06-02 1983-12-08 Hitachi Ltd 画像伝送装置
JPS6156587A (ja) * 1984-07-27 1986-03-22 Fujitsu Ltd 最適ブロツク検出回路
JPS6232787A (ja) * 1985-08-05 1987-02-12 Fujitsu Ltd サブサンプル形ベクトル量子化方式
US4858026A (en) * 1986-04-14 1989-08-15 U.S. Philips Corporation Image display
EP0294961B1 (en) * 1987-06-09 1994-10-12 Sony Corporation Motion vector selection in television images
GB2231745B (en) * 1989-04-27 1993-07-07 Sony Corp Motion dependent video signal processing
AU612543B2 (en) * 1989-05-11 1991-07-11 Panasonic Corporation Moving image signal encoding apparatus and decoding apparatus
US5091782A (en) * 1990-04-09 1992-02-25 General Instrument Corporation Apparatus and method for adaptively compressing successive blocks of digital video
JPH05503403A (ja) * 1990-10-09 1993-06-03 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 テレビジョン映像に対応するディジタル信号を符号化するデバイスとそれに対応する復号デバイス
JPH04177992A (ja) * 1990-11-09 1992-06-25 Victor Co Of Japan Ltd 階層性を有する画像符号化装置
JP2708971B2 (ja) * 1991-04-09 1998-02-04 ポリプラスチックス株式会社 射出成形方法および射出成形用金型並びに射出成形品
US5398078A (en) * 1991-10-31 1995-03-14 Kabushiki Kaisha Toshiba Method of detecting a motion vector in an image coding apparatus
US5436665A (en) * 1992-03-03 1995-07-25 Kabushiki Kaisha Toshiba Motion picture coding apparatus
DE69322769T2 (de) * 1992-03-03 1999-07-22 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Koder für zeitveränderliche bilder
NL9201594A (nl) * 1992-09-14 1994-04-05 Nederland Ptt Systeem omvattende ten minste één encoder voor het coderen van een digitaal signaal en ten minste één decoder voor het decoderen van een gecodeerd digitaal signaal, en encoder en decoder voor toepassing in het systeem.
JP3381855B2 (ja) * 1992-12-28 2003-03-04 ソニー株式会社 画像信号符号化方法および画像信号符号化装置、並びに画像信号復号化方法および画像信号復号化装置

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EP0631444B1 (en) 1998-12-23
DE69322769D1 (de) 1999-02-04
WO1993018618A1 (fr) 1993-09-16
EP0631444A1 (en) 1994-12-28
US5677735A (en) 1997-10-14
EP0631444A4 (cg-RX-API-DMAC10.html) 1995-01-11
US5418570A (en) 1995-05-23

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