WO1993018618A1 - Time-varying image encoder - Google Patents

Time-varying image encoder Download PDF

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Publication number
WO1993018618A1
WO1993018618A1 PCT/JP1993/000275 JP9300275W WO9318618A1 WO 1993018618 A1 WO1993018618 A1 WO 1993018618A1 JP 9300275 W JP9300275 W JP 9300275W WO 9318618 A1 WO9318618 A1 WO 9318618A1
Authority
WO
WIPO (PCT)
Prior art keywords
definition
low
signal
produced
definition picture
Prior art date
Application number
PCT/JP1993/000275
Other languages
English (en)
French (fr)
Inventor
Hideyuki Ueno
Yoshihiro Kikuchi
Noboru Yamaguchi
Toshinori Odaka
Tadahiro Oku
Original Assignee
Kabushiki Kaisha Toshiba
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 Kabushiki Kaisha Toshiba filed Critical Kabushiki Kaisha Toshiba
Priority to DE69322769T priority Critical patent/DE69322769T2/de
Priority to US08/150,035 priority patent/US5418570A/en
Priority to EP93905614A priority patent/EP0631444B1/en
Publication of WO1993018618A1 publication Critical patent/WO1993018618A1/ja
Priority to US08/154,540 priority patent/US5436665A/en

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)
PCT/JP1993/000275 1992-03-03 1993-03-03 Time-varying image encoder WO1993018618A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69322769T DE69322769T2 (de) 1992-03-03 1993-03-03 Koder für zeitveränderliche bilder
US08/150,035 US5418570A (en) 1992-03-03 1993-03-03 Motion picture coding apparatus
EP93905614A EP0631444B1 (en) 1992-03-03 1993-03-03 Time-varying image encoder
US08/154,540 US5436665A (en) 1992-03-03 1993-11-19 Motion picture coding apparatus

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4/45678 1992-03-03
JP4567892 1992-03-03
JP4/253466 1992-08-31
JP25346692A JP3032088B2 (ja) 1992-03-03 1992-08-31 動画像符号化装置
JP4/349536 1992-12-28
JP34953692A JPH06205397A (ja) 1992-12-28 1992-12-28 動画像符号化装置

Publications (1)

Publication Number Publication Date
WO1993018618A1 true WO1993018618A1 (en) 1993-09-16

Family

ID=27292340

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1993/000275 WO1993018618A1 (en) 1992-03-03 1993-03-03 Time-varying image encoder

Country Status (4)

Country Link
US (2) US5418570A (ja)
EP (1) EP0631444B1 (ja)
DE (1) DE69322769T2 (ja)
WO (1) WO1993018618A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643535A1 (en) * 1993-03-26 1995-03-15 Sony Corporation Method and apparatus for coding video signal, and method and apparatus for decoding video signal
WO1995027374A1 (en) * 1994-03-30 1995-10-12 Apple Computer, Inc. Video image sampling lattice for vhs format magnetic tape applications
GB2340688A (en) * 1998-08-17 2000-02-23 Dilip Daniel James Improvement on: Fixed length coding for digital image compression
US6480544B1 (en) 1998-06-29 2002-11-12 Sony Corporation Encoding apparatus and encoding method

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993018618A1 (en) * 1992-03-03 1993-09-16 Kabushiki Kaisha Toshiba Time-varying image encoder
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
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
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
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
US6259738B1 (en) * 1996-10-31 2001-07-10 Kabushiki Kaisha Toshiba Video encoding apparatus and video decoding apparatus
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
EP0933939A4 (en) * 1997-07-18 1999-12-22 Sony Corp METHOD AND SYSTEM FOR MULTIPLEXING AN IMAGE SIGNAL, METHOD AND SYSTEM FOR DEMULTIPLEXING AN IMAGE SIGNAL, AND TRANSMISSION MEDIUM
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
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
KR100952892B1 (ko) * 2000-12-06 2010-04-16 리얼네트웍스 인코포레이티드 비디오 데이타의 인트라코딩 방법 및 장치
US6765964B1 (en) 2000-12-06 2004-07-20 Realnetworks, Inc. System and method for intracoding video data
US20020126759A1 (en) 2001-01-10 2002-09-12 Wen-Hsiao Peng Method and apparatus for providing prediction mode fine granularity scalability
WO2002087256A1 (en) * 2001-04-20 2002-10-31 Mti Film Llc High resolution image color correction method and system
EP2320661B8 (en) * 2001-11-29 2015-09-02 Godo Kaisha IP Bridge 1 Coding distortion removal method
EP1978747B1 (en) * 2001-11-29 2014-05-21 Panasonic Corporation Coding distortion removal method
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
US8761252B2 (en) 2003-03-27 2014-06-24 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
KR20060105408A (ko) * 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
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
US7634793B2 (en) * 2004-06-03 2009-12-15 Hillcrest Laboratories, Inc. Client-server architectures and methods for zoomable user interfaces
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
EP1878250A4 (en) * 2005-04-01 2012-11-28 Lg Electronics Inc METHOD OF ENCODING AND DECODING THAT CAN BE SCALED ON A VIDEO SIGNAL
WO2006104364A1 (en) * 2005-04-01 2006-10-05 Lg Electronics Inc. Method for scalably encoding and decoding video signal
EP1878249B1 (en) * 2005-04-01 2020-03-04 LG Electronics, Inc. Method for scalably decoding a video signal
KR100878825B1 (ko) * 2005-04-01 2009-01-14 엘지전자 주식회사 스케일러블 비디오 신호 인코딩 및 디코딩 방법
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
CN101606385B (zh) * 2006-08-21 2011-06-01 三叉微系统(远东)有限公司 图像信号的运动补偿处理
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
BRPI0915971A2 (pt) * 2008-07-25 2019-02-26 Sony Corp aparelho e método de processamento de imagem
US8254467B2 (en) * 2008-10-30 2012-08-28 Sensio Technologies Inc. Method and system for scaling compressed image frames
DK2371138T3 (da) 2008-12-25 2012-12-17 Dolby Lab Licensing Corp Rekonstruktion af de-interleaved billeder ved anvendelse af adaptiv interpolation baseret på disparitet mellem billederne til op-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
CN113228675A (zh) * 2018-12-21 2021-08-06 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0368597B2 (ja) * 1980-04-09 1991-10-29 Nippon Electric Co

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858026A (en) * 1986-04-14 1989-08-15 U.S. Philips Corporation Image display
DE3851786T2 (de) * 1987-06-09 1995-03-09 Sony Corp Auswahl eines Bewegungsvektors in Fernsehbildern.
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
DE69116128T2 (de) * 1990-10-09 1996-08-01 Philips Electronics Nv Gerät zur kodierung von fernsehbildern mit entsprechenden digitalen signalen und entsprechende dekodierungseinrichtung
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
WO1993018618A1 (en) * 1992-03-03 1993-09-16 Kabushiki Kaisha Toshiba Time-varying image encoder
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0368597B2 (ja) * 1980-04-09 1991-10-29 Nippon Electric Co
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

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HIROSHI YASUDA, "International Standards of Multimedia Coding", June 30, 1991 (30.06.91), Maruzen Co., Ltd, pages 84 to 89, 97 to 99, 108 to 111 and 126 to 132. *
Image Electronics Journal, Vol. 20, No. 4, August 1991, (Tokyo) MUTSU OTA, "Technical Study Subjects in MPEG Phase-2", p. 324-329. *
Image Electronics Journal, Vol. 20, No. 4, August 1991, (Tokyo) TOSHIYA TAKAHASHI, "Study on Coding of Interlace Image Coding", p. 340-345. *
See also references of EP0631444A4 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643535A1 (en) * 1993-03-26 1995-03-15 Sony Corporation Method and apparatus for coding video signal, and method and apparatus for decoding video signal
EP0643535A4 (en) * 1993-03-26 1995-12-06 Sony Corp ENCODING METHOD AND APPARATUS AND VIDEO SIGNAL DECODING METHOD AND APPARATUS.
WO1995027374A1 (en) * 1994-03-30 1995-10-12 Apple Computer, Inc. Video image sampling lattice for vhs format magnetic tape applications
US6480544B1 (en) 1998-06-29 2002-11-12 Sony Corporation Encoding apparatus and encoding method
GB2340688A (en) * 1998-08-17 2000-02-23 Dilip Daniel James Improvement on: Fixed length coding for digital image compression

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EP0631444A4 (ja) 1995-01-11
US5677735A (en) 1997-10-14
DE69322769D1 (de) 1999-02-04
US5418570A (en) 1995-05-23
EP0631444B1 (en) 1998-12-23
DE69322769T2 (de) 1999-07-22
EP0631444A1 (en) 1994-12-28

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