NO980948D0 - Intra-makroblokk DC og AC koeffisientforutsigelse for linjesprangbasert digital video - Google Patents

Intra-makroblokk DC og AC koeffisientforutsigelse for linjesprangbasert digital video

Info

Publication number
NO980948D0
NO980948D0 NO980948A NO980948A NO980948D0 NO 980948 D0 NO980948 D0 NO 980948D0 NO 980948 A NO980948 A NO 980948A NO 980948 A NO980948 A NO 980948A NO 980948 D0 NO980948 D0 NO 980948D0
Authority
NO
Norway
Prior art keywords
intra
line
digital video
macro block
coefficient prediction
Prior art date
Application number
NO980948A
Other languages
English (en)
Other versions
NO980948L (no
Inventor
Robert O Eifrig
Xuemin Chen
Ajay Luthra
Original Assignee
Gen Instrument 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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of NO980948D0 publication Critical patent/NO980948D0/no
Publication of NO980948L publication Critical patent/NO980948L/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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/649—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to 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
    • H04N19/134—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
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • 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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • 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
    • H04N19/583—Motion compensation with overlapping blocks
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NO980948A 1997-03-07 1998-03-05 Intra-makroblokk DC og AC koeffisientforutsigelse for linjesprangbasert digital video NO980948L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4012097P 1997-03-07 1997-03-07
US4224597P 1997-03-31 1997-03-31
US08/957,511 US5974184A (en) 1997-03-07 1997-10-24 Intra-macroblock DC and AC coefficient prediction for interlaced digital video

Publications (2)

Publication Number Publication Date
NO980948D0 true NO980948D0 (no) 1998-03-05
NO980948L NO980948L (no) 1998-09-08

Family

ID=27365665

Family Applications (1)

Application Number Title Priority Date Filing Date
NO980948A NO980948L (no) 1997-03-07 1998-03-05 Intra-makroblokk DC og AC koeffisientforutsigelse for linjesprangbasert digital video

Country Status (10)

Country Link
US (1) US5974184A (no)
EP (1) EP0863673A3 (no)
JP (1) JPH10304364A (no)
KR (1) KR100578049B1 (no)
CN (1) CN1148977C (no)
AU (1) AU728469B2 (no)
BR (1) BR9800852A (no)
CA (1) CA2230422C (no)
NO (1) NO980948L (no)
TW (1) TW373408B (no)

Families Citing this family (114)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1143551C (zh) 1996-05-28 2004-03-24 松下电器产业株式会社 图像预测解码装置
US6341144B1 (en) * 1996-09-20 2002-01-22 At&T Corp. Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video
US8625665B2 (en) * 1996-09-20 2014-01-07 At&T Intellectual Property Ii, L.P. Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video
US7269219B1 (en) 1997-02-14 2007-09-11 At&T Corp. Non-linear quantizer for video coding
US6618444B1 (en) 1997-02-14 2003-09-09 At&T Corp. Scene description nodes to support improved chroma-key shape representation of coded arbitrary images and video objects
US6208693B1 (en) * 1997-02-14 2001-03-27 At&T Corp Chroma-key for efficient and low complexity shape representation of coded arbitrary video objects
US6404813B1 (en) * 1997-03-27 2002-06-11 At&T Corp. Bidirectionally predicted pictures or video object planes for efficient and flexible video coding
DE19719383A1 (de) * 1997-05-07 1998-11-19 Siemens Ag Verfahren und Vorrichtung zur Codierung und Decodierung eines digitalisierten Bildes
US6381370B1 (en) * 1997-07-14 2002-04-30 Oki Electric Industry Co., Ltd. Method and apparatus for image encoding
KR100535631B1 (ko) * 1997-09-29 2006-07-10 주식회사 팬택앤큐리텔 적응적 비월주사 모양정보 부호화/복호화 장치및 방법
KR100256022B1 (ko) * 1997-10-14 2000-05-01 전주범 이진형상신호부호화에있어서의모드부호화방법
EP0921684B1 (en) * 1997-12-02 2005-11-02 Daewoo Electronics Corporation Method and apparatus for encoding object information of a video object plane
KR100303085B1 (ko) * 1998-04-24 2001-09-24 전주범 이진형상신호부호화장치및방법
JP3382173B2 (ja) * 1998-03-10 2003-03-04 株式会社ハイニックスセミコンダクター 飛越し走査方式の映像信号に対するｖｏｐ境界矩形の設定方法及び装置
KR100632105B1 (ko) * 1998-06-27 2007-03-02 주식회사 팬택앤큐리텔 디지털 비월주사 인트라픽쳐 부호화/복호화 방법
US6519287B1 (en) * 1998-07-13 2003-02-11 Motorola, Inc. Method and apparatus for encoding and decoding video signals by using storage and retrieval of motion vectors
US7158681B2 (en) * 1998-10-01 2007-01-02 Cirrus Logic, Inc. Feedback scheme for video compression system
US6445386B1 (en) 1999-01-15 2002-09-03 Intel Corporation Method and apparatus for stretch blitting using a 3D pipeline
US6934906B1 (en) * 1999-07-08 2005-08-23 At&T Corp. Methods and apparatus for integrating external applications into an MPEG-4 scene
DE69929660T2 (de) * 1999-08-31 2006-08-17 Lucent Technologies Inc. Verfahren und Vorrichtung für Makroblock DC- und AC-Koefficienten-Prädiktion in Videocodierung
US6765962B1 (en) * 1999-12-02 2004-07-20 Sarnoff Corporation Adaptive selection of quantization scales for video encoding
KR100366382B1 (ko) * 2001-02-12 2002-12-31 (주) 멀티비아 동영상 부호화 장치 및 방법
US7023491B2 (en) * 2001-02-28 2006-04-04 Thomson Licensing Method and device for displaying frozen pictures on video display device
EP1244311A3 (en) * 2001-03-22 2004-10-06 Sony Corporation Picture encoding
US7095785B2 (en) * 2001-06-29 2006-08-22 Equator Technologies, Inc. Determination of prediction direction in MPEG-4
US7266150B2 (en) 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
US8111754B1 (en) 2001-07-11 2012-02-07 Dolby Laboratories Licensing Corporation Interpolation of video compression frames
US6975680B2 (en) * 2001-07-12 2005-12-13 Dolby Laboratories, Inc. Macroblock mode decision biasing for video compression systems
US6882685B2 (en) * 2001-09-18 2005-04-19 Microsoft Corporation Block transform and quantization for image and video coding
KR101033398B1 (ko) * 2001-11-21 2011-05-09 제너럴 인스트루먼트 코포레이션 디지털 비디오 콘텐트를 위한 매크로블록 레벨 적응성프레임/필드 코딩
JP4610195B2 (ja) 2001-12-17 2011-01-12 マイクロソフト コーポレーション スキップマクロブロックコード化
KR100454501B1 (ko) 2001-12-26 2004-10-28 브이케이 주식회사 영상신호를 부호화 또는 복호화하기 위한 예측 장치 및 방법
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
JP4130780B2 (ja) * 2002-04-15 2008-08-06 松下電器産業株式会社 画像符号化方法および画像復号化方法
JP2003319391A (ja) * 2002-04-26 2003-11-07 Sony Corp 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム
US20030202590A1 (en) * 2002-04-30 2003-10-30 Qunshan Gu Video encoding using direct mode predicted frames
KR20030089774A (ko) * 2002-05-18 2003-11-28 엘지전자 주식회사 비디오 디코더의 ｄｃ/ａｃ 계수 저장방법
CN101568035B (zh) * 2002-05-28 2012-02-01 夏普株式会社 图像内预测模式估计、通信和组织的方法和系统
EP1944977B1 (en) * 2002-05-28 2014-12-31 Sharp Kabushiki Kaisha Method and Systems for Image intra-prediction mode estimation, communication, and 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
DE60345459C5 (de) * 2002-06-11 2022-11-17 Nokia Technologies Oy Intracodierung auf der basis räumlicher prädiktion
US7016547B1 (en) * 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
US7239754B2 (en) * 2002-07-16 2007-07-03 Hiroshi Akimoto Method, apparatus and system for compressing still images in multipurpose compression systems
US7154952B2 (en) 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
US7433824B2 (en) * 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
ATE543179T1 (de) 2002-09-04 2012-02-15 Microsoft Corp Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
US7266247B2 (en) 2002-09-30 2007-09-04 Samsung Electronics Co., Ltd. Image coding method and apparatus using spatial predictive coding of chrominance and image decoding method and apparatus
US20040141654A1 (en) * 2003-01-17 2004-07-22 Yi-Yung Jeng Texture encoding procedure
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7426308B2 (en) * 2003-07-18 2008-09-16 Microsoft Corporation Intraframe and interframe interlace coding and decoding
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
JP4617644B2 (ja) * 2003-07-18 2011-01-26 ソニー株式会社 符号化装置及び方法
TWI231714B (en) * 2003-07-30 2005-04-21 Mediatek Inc Method for performing predictive image decoding with memory access
US7688894B2 (en) * 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
US7606308B2 (en) 2003-09-07 2009-10-20 Microsoft Corporation Signaling macroblock mode information for macroblocks of interlaced forward-predicted fields
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7782954B2 (en) * 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
JP5280003B2 (ja) * 2003-09-07 2013-09-04 マイクロソフト コーポレーション 映像コーデックにおけるスライス層
US7092576B2 (en) * 2003-09-07 2006-08-15 Microsoft Corporation Bitplane coding for macroblock field/frame coding type information
US20050111545A1 (en) * 2003-11-25 2005-05-26 Ram Prabhakar Dynamic packet size control for MPEG-4 data partition mode
EP1538844A3 (en) * 2003-11-26 2006-05-31 Samsung Electronics Co., Ltd. Color image residue transformation and encoding method
JP4369857B2 (ja) * 2003-12-19 2009-11-25 パナソニック株式会社 画像符号化装置および画像符号化方法
US7889792B2 (en) 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
US7830959B2 (en) 2003-12-26 2010-11-09 Electronics And Telecommunications Research Institute Apparatus and method for performing intra prediction for image decoder
KR100754388B1 (ko) * 2003-12-27 2007-08-31 삼성전자주식회사 레지듀 영상 다운/업 샘플링 방법 및 장치와 그를 이용한영상 부호화/복호화 방법 및 장치
US7986731B2 (en) * 2004-02-06 2011-07-26 Apple Inc. H.264/AVC coder incorporating rate and quality controller
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US7869503B2 (en) 2004-02-06 2011-01-11 Apple Inc. Rate and quality controller for H.264/AVC video coder and scene analyzer therefor
JP2005318559A (ja) * 2004-03-30 2005-11-10 Matsushita Electric Ind Co Ltd 逆予測装置及びそれを用いた復号装置
US20050232350A1 (en) * 2004-03-30 2005-10-20 Mana Hamada Inverse prediction apparatus and decoding apparatus using the same
KR100587698B1 (ko) * 2004-10-22 2006-06-08 주식회사 휴맥스 선택적 예측 부호화/복호화 방법 및 장치
KR100647294B1 (ko) * 2004-11-09 2006-11-23 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
US8649439B2 (en) * 2004-11-26 2014-02-11 Panasonic Corporation Decoding circuit, decoding device, and decoding system
KR100694093B1 (ko) * 2005-02-18 2007-03-12 삼성전자주식회사 영상 블럭의 계수 예측 장치 및 그 방법
US20060227876A1 (en) * 2005-03-29 2006-10-12 Bhaskar Sherigar System, method, and apparatus for AC coefficient prediction
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7693709B2 (en) * 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7599840B2 (en) 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US9077960B2 (en) 2005-08-12 2015-07-07 Microsoft Corporation Non-zero coefficient block pattern coding
US7565018B2 (en) 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US20070140353A1 (en) * 2005-12-19 2007-06-21 Sharp Laboratories Of America, Inc. Intra prediction skipping in mode selection for video compression
JP4769605B2 (ja) * 2006-03-17 2011-09-07 富士通株式会社 動画像符号装置及び方法
WO2007132647A1 (ja) * 2006-05-12 2007-11-22 Panasonic Corporation 動画像復号化装置
JP4621629B2 (ja) * 2006-05-25 2011-01-26 株式会社東芝 画像復号装置
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
US8265159B2 (en) * 2006-12-27 2012-09-11 Panasonic Corporation Moving picture decoding apparatus
US8942289B2 (en) * 2007-02-21 2015-01-27 Microsoft Corporation Computational complexity and precision control in transform-based digital media codec
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US7949775B2 (en) 2008-05-30 2011-05-24 Microsoft Corporation Stream selection for enhanced media streaming
CN101605255B (zh) * 2008-06-12 2011-05-04 华为技术有限公司 一种视频编解码的方法及装置
GB0905317D0 (en) * 2008-07-14 2009-05-13 Musion Ip Ltd Video processing and telepresence system and method
WO2010017166A2 (en) 2008-08-04 2010-02-11 Dolby Laboratories Licensing Corporation Overlapped block disparity estimation and compensation architecture
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
JP5686499B2 (ja) * 2009-01-22 2015-03-18 株式会社Ｎｔｔドコモ 画像予測符号化装置、方法及びプログラム、画像予測復号装置、方法及びプログラム、並びに、符号化・復号システム及び方法
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
JP5914962B2 (ja) * 2010-04-09 2016-05-11 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
RU2467499C2 (ru) * 2010-09-06 2012-11-20 Государственное образовательное учреждение высшего профессионального образования "Поволжский государственный университет телекоммуникаций и информатики" (ГОУВПО ПГУТИ) Способ сжатия цифрового потока видеосигнала в телевизионном канале связи
CN102131093A (zh) * 2011-01-13 2011-07-20 北京中星微电子有限公司 一种图像处理方法及装置
WO2012098890A1 (ja) * 2011-01-21 2012-07-26 パナソニック株式会社 動画像符号化装置および動画像符号化方法
EP2719176B1 (en) 2011-06-13 2021-07-07 Dolby Laboratories Licensing Corporation Visual display resolution prediction based on fused regions
US20140286413A1 (en) 2013-03-25 2014-09-25 Qualcomm Incorporated Disabling sign data hiding in video coding
JP6497014B2 (ja) * 2014-09-24 2019-04-10 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
EP3291560A1 (en) * 2016-08-29 2018-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for encoding, and decoder for decoding, a 2-dimensional digital image representation into a data stream using applying additional information to a different coefficient
WO2018041843A1 (en) * 2016-08-29 2018-03-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for Encoding, and Decoder for Decoding, a Digital Image Representation into a Data Stream using Indicating a Number of Leading Zero Bit Planes
GB2621913A (en) * 2022-06-16 2024-02-28 Mbda Uk Ltd Method for image encoding
EP4294014A1 (en) * 2022-06-16 2023-12-20 MBDA UK Limited Method for image encoding
WO2023242589A1 (en) * 2022-06-16 2023-12-21 Mbda Uk Limited Method for image encoding

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02264585A (ja) * 1989-04-05 1990-10-29 Nec Corp 画像信号の符号化方式
CA2062200A1 (en) * 1991-03-15 1992-09-16 Stephen C. Purcell Decompression processor for video applications
JPH05316494A (ja) * 1992-05-06 1993-11-26 Ikegami Tsushinki Co Ltd 画像データ符号化装置
KR0166722B1 (ko) * 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
US5805762A (en) * 1993-01-13 1998-09-08 Hitachi America, Ltd. Video recording device compatible transmitter
US5815646A (en) * 1993-04-13 1998-09-29 C-Cube Microsystems Decompression processor for video applications
US5802210A (en) * 1994-06-09 1998-09-01 Kabushiki Kaisha Toshiba Image processing system
US5668609A (en) * 1994-09-08 1997-09-16 Tektronix, Inc. Motion detector and key signal interpolator using same
US5712809A (en) * 1994-10-31 1998-01-27 Vivo Software, Inc. Method and apparatus for performing fast reduced coefficient discrete cosine transforms
KR100215428B1 (ko) * 1995-01-23 1999-08-16 윤종용 B픽처의에러은폐방법
US5647048A (en) * 1995-06-07 1997-07-08 Industrial Technology Research Institute Trick mode VTR tracking for compressed video
KR100207397B1 (ko) * 1995-10-31 1999-07-15 전주범 영상 부호화 시스템의 움직임 예측장치 및 방법
KR970073169A (ko) * 1996-04-23 1997-11-07 배순훈 인트라 프레임에 대한 부호화장치 및 방법(apparatus for coding intra-frame and method thereof)
KR100413979B1 (ko) * 1996-07-15 2004-05-20 주식회사 팬택앤큐리텔 예측부호화방법및장치
TW398131B (en) * 1997-06-20 2000-07-11 Matsushita Electric Ind Co Ltd The image process method, the image process device and the data memory medium

Also Published As

Publication number Publication date
AU728469B2 (en) 2001-01-11
CN1198639A (zh) 1998-11-11
KR100578049B1 (ko) 2006-11-30
CA2230422C (en) 2006-01-31
JPH10304364A (ja) 1998-11-13
KR19980080013A (ko) 1998-11-25
EP0863673A2 (en) 1998-09-09
BR9800852A (pt) 1999-11-23
CN1148977C (zh) 2004-05-05
AU5739998A (en) 1998-09-10
US5974184A (en) 1999-10-26
EP0863673A3 (en) 2002-12-11
CA2230422A1 (en) 1998-09-07
NO980948L (no) 1998-09-08
TW373408B (en) 1999-11-01

Similar Documents

Publication Publication Date Title
NO980948L (no) Intra-makroblokk DC og AC koeffisientforutsigelse for linjesprangbasert digital video
NO980950D0 (no) Bevegelseestimering og kompensering av videoobjektplan for linjesprangbasert digital video
NO982508L (no) Temporµr og romlig skalÚrbar koding for videoobjektplan
NO980949L (no) Forutsigelse og koding av toveis forutsagte video-objektplan for linjesprang-basert digital video
DE69841007D1 (de) Quantizierungsmatrix für Stand- und Bewegtbildkodierung
DE69735028D1 (de) Videokodierungs- und Videodekodierungsvorrichtung
DE69521238D1 (de) Bilddatenquantisierung in Bildkomprimierung
NO20006469L (no) Videokoder og kodingsfremgangsmåte med bufferstyring
DE69725186D1 (de) Sprite-gestütztes videocodiersystem
GB2320830B (en) Method and equipment for weather image prediction
NO983981D0 (no) Isolert vegg og tilhörende komponenter
DE69724347D1 (de) Parallele Datenkomprimierung und -dekomprimierung
HK1017795A1 (en) Method and apparatus for encoding moving pictures
DE69634423D1 (de) Videokodierung- und dekodierungsvorrichtung
DE69715660D1 (de) Videokodierung
DK0879253T3 (da) Vinylaromatiske blokcopymerer og sammensætninger indeholdende disse
EP0917357A4 (en) BLOCK DECELERATION METHOD AND DEVICE, AND CODING METHOD AND DEVICE
DE69739846D1 (de) Bildkodierung- und Bilddekodierungsvorrichtung
GB2332587B (en) Picture encoding apparatus
FI944235A (fi) Videonkompressiomenetelmä
GB2345829B (en) Video coding and decoding methods
EP1061749A4 (en) MOTION IMAGE CODERS AND DECODERS
AU4770900A (en) Method and apparatus for macroblock dc and ac coefficient prediction for video coding
DE69727037D1 (de) Gerät zur Reduzierung videosimulatorinduzierter Krankheit
GB2328826B (en) Picture coding method

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application