JP6047835B2 - 符号化方法及び送信端末 - Google Patents

符号化方法及び送信端末 Download PDF

Info

Publication number
JP6047835B2
JP6047835B2 JP2014528684A JP2014528684A JP6047835B2 JP 6047835 B2 JP6047835 B2 JP 6047835B2 JP 2014528684 A JP2014528684 A JP 2014528684A JP 2014528684 A JP2014528684 A JP 2014528684A JP 6047835 B2 JP6047835 B2 JP 6047835B2
Authority
JP
Japan
Prior art keywords
distortion
error propagation
estimate
channels
video stream
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.)
Active
Application number
JP2014528684A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014528201A5 (enExample
JP2014528201A (ja
Inventor
ニルソン，マティアス
ヴァフィン，レナート
ヴァング アンデルセン，ソレン
ヴァング アンデルセン，ソレン
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.)
Skype Ltd Ireland
Original Assignee
Skype Ltd Ireland
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 Skype Ltd Ireland filed Critical Skype Ltd Ireland
Publication of JP2014528201A publication Critical patent/JP2014528201A/ja
Publication of JP2014528201A5 publication Critical patent/JP2014528201A5/ja
Application granted granted Critical
Publication of JP6047835B2 publication Critical patent/JP6047835B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N19/10—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2014528684A 2011-09-02 2012-09-02 符号化方法及び送信端末 Active JP6047835B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1115210.5A GB2495469B (en) 2011-09-02 2011-09-02 Video coding
GB1115210.5 2011-09-02
US13/274,865 US9854274B2 (en) 2011-09-02 2011-10-17 Video coding
US13/274,865 2011-10-17
PCT/US2012/053581 WO2013033677A1 (en) 2011-09-02 2012-09-02 Video encoding mode selection based on an aggregate estimate of error propagation distortion over multiple lossy channels

Publications (3)

Publication Number Publication Date
JP2014528201A JP2014528201A (ja) 2014-10-23
JP2014528201A5 JP2014528201A5 (enExample) 2015-12-03
JP6047835B2 true JP6047835B2 (ja) 2016-12-27

Family

ID=44882144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014528684A Active JP6047835B2 (ja) 2011-09-02 2012-09-02 符号化方法及び送信端末

Country Status (6)

Country Link
US (1) US9854274B2 (enExample)
EP (1) EP2737702B1 (enExample)
JP (1) JP6047835B2 (enExample)
KR (1) KR101999414B1 (enExample)
GB (1) GB2495469B (enExample)
WO (1) WO2013033677A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010021700A1 (en) * 2008-08-19 2010-02-25 Thomson Licensing A propagation map
BRPI0917200B1 (pt) * 2008-08-19 2021-06-29 Contentarmor Método de seleção e incorporação de marcas d'água para aplicação em dados de vídeo
KR101611375B1 (ko) * 2008-08-19 2016-04-11 톰슨 라이센싱 압축된 비디오에서 구문 요소의 ｃａｂａｃ/ａｖｃ 준수 워터마킹
CN102132564B (zh) * 2008-08-20 2013-09-11 汤姆森特许公司 用于压缩视频的水印制作的水印选取
KR101763336B1 (ko) 2010-02-09 2017-07-31 콘텐트 아머 프로퍼게이션 맵을 사용한 워터마크 검출
GB2492329B (en) 2011-06-24 2018-02-28 Skype Video coding
GB2492163B (en) 2011-06-24 2018-05-02 Skype Video coding
GB2492330B (en) 2011-06-24 2017-10-18 Skype Rate-Distortion Optimization with Encoding Mode Selection
GB2493777A (en) 2011-08-19 2013-02-20 Skype Image encoding mode selection based on error propagation distortion map
GB2495468B (en) 2011-09-02 2017-12-13 Skype Video coding
GB2495467B (en) 2011-09-02 2017-12-13 Skype Video coding
KR20160079205A (ko) * 2014-12-26 2016-07-06 전자부품연구원 비트율-왜곡비를 이용한 블록 부호화 시스템
US10313685B2 (en) * 2015-09-08 2019-06-04 Microsoft Technology Licensing, Llc Video coding
US10595025B2 (en) 2015-09-08 2020-03-17 Microsoft Technology Licensing, Llc Video coding
US10182244B2 (en) * 2016-03-02 2019-01-15 MatrixView, Inc. Fast encoding loss metric
KR102483269B1 (ko) * 2016-08-29 2023-01-02 삼성전자주식회사 서버 장치, 사용자 단말 장치, 그 제어 방법들 및 스트리밍 시스템
WO2020107288A1 (zh) * 2018-11-28 2020-06-04 Oppo广东移动通信有限公司 视频编码优化方法、装置及计算机存储介质
US11172197B2 (en) 2019-01-13 2021-11-09 Tencent America LLC Most probable mode list generation scheme
US11363306B2 (en) * 2019-04-05 2022-06-14 Comcast Cable Communications, Llc Methods, systems, and apparatuses for processing video by adaptive rate distortion optimization
US11902570B2 (en) * 2020-02-26 2024-02-13 Intel Corporation Reduction of visual artifacts in parallel video coding
CN111314703B (zh) * 2020-03-31 2022-03-08 电子科技大学 一种基于失真类型传播分析的时域率失真优化方法

Family Cites Families (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620303B2 (ja) 1984-11-08 1994-03-16 日本電信電話株式会社 フレ−ム間符号化方式におけるリフレッシュ処理方式
JP2661122B2 (ja) 1988-04-07 1997-10-08 日本電気株式会社 フレーム間予測符号化復号化装置
FR2700632B1 (fr) 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.
JPH10145794A (ja) 1996-11-11 1998-05-29 Oki Electric Ind Co Ltd 画像符号化方法及び画像符号化装置
JPH11218673A (ja) 1998-01-30 1999-08-10 Olympus Optical Co Ltd カメラシステム
JPH11289542A (ja) 1998-02-09 1999-10-19 Matsushita Electric Ind Co Ltd 画像符号化装置、画像符号化方法、および画像符号化プログラムを記録した記録媒体
US6434196B1 (en) 1998-04-03 2002-08-13 Sarnoff Corporation Method and apparatus for encoding video information
US6421387B1 (en) * 1998-05-15 2002-07-16 North Carolina State University Methods and systems for forward error correction based loss recovery for interactive video transmission
JP3606306B2 (ja) 1998-10-08 2005-01-05 沖電気工業株式会社 画像符号化装置、画像復号化装置及び画像伝送システム
US6320919B1 (en) * 1998-11-30 2001-11-20 Ericsson Inc. Adaptive channel characterization using decoded symbols
US6499060B1 (en) 1999-03-12 2002-12-24 Microsoft Corporation Media coding for loss recovery with remotely predicted data units
US7093028B1 (en) * 1999-12-15 2006-08-15 Microsoft Corporation User and content aware object-based data stream transmission methods and arrangements
JP2003032287A (ja) * 2001-07-16 2003-01-31 Furukawa Electric Co Ltd:The ネットワーク間接続方法、その装置およびその装置を用いたシステム
EP1294134B1 (en) * 2001-09-12 2005-01-12 Alcatel Method and apparatus for differentiating service in a data network
US7317759B1 (en) 2002-02-28 2008-01-08 Carnegie Mellon University System and methods for video compression mode decisions
US7391807B2 (en) 2002-04-24 2008-06-24 Mitsubishi Electric Research Laboratories, Inc. Video transcoding of scalable multi-layer videos to single layer video
FR2840495B1 (fr) 2002-05-29 2004-07-30 Canon Kk Procede et dispositif de selection d'une methode de transcodage parmi un ensemble de methodes de transcodage
AU2003280512A1 (en) 2002-07-01 2004-01-19 E G Technology Inc. Efficient compression and transport of video over a network
KR100935933B1 (ko) * 2002-10-15 2010-01-11 삼성전자주식회사 무선통신에서 무선단말 그룹화에 의한 신뢰성 있는멀티캐스트 데이터 재전송 방법 및 장치
FR2846835B1 (fr) 2002-11-05 2005-04-15 Canon Kk Codage de donnees numeriques combinant plusieurs modes de codage
EP1439712A1 (en) 2002-12-17 2004-07-21 Visiowave S.A. Method of selecting among "Spatial Video CODEC's" the optimum CODEC for a same input signal
EP1582064A4 (en) 2003-01-09 2009-07-29 Univ California Video encoding methods and devices
CN100499788C (zh) 2003-01-09 2009-06-10 加利福尼亚大学董事会 视频编码设备
US7672523B2 (en) 2003-03-03 2010-03-02 The Hong Kong University Of Science And Technology Efficient rate allocation for multi-resolution coding of data
US7280597B2 (en) * 2003-06-24 2007-10-09 Mitsubishi Electric Research Laboratories, Inc. System and method for determining coding modes, DCT types and quantizers for video coding
US7433661B2 (en) 2003-06-25 2008-10-07 Lucent Technologies Inc. Method for improved performance and reduced bandwidth channel state information feedback in communication systems
KR20050061762A (ko) 2003-12-18 2005-06-23 학교법인 대양학원 부호화 모드 결정방법, 움직임 추정방법 및 부호화 장치
US7349472B2 (en) 2004-02-11 2008-03-25 Mitsubishi Electric Research Laboratories, Inc. Rate-distortion models for error resilient video transcoding
JP4031455B2 (ja) 2004-03-29 2008-01-09 株式会社東芝 画像符号化装置
EP1603339A1 (en) 2004-06-01 2005-12-07 STMicroelectronics S.r.l. Method and system for communicating video data in a packet-switched network, related network and computer program product therefor
JP4680008B2 (ja) * 2004-08-31 2011-05-11 株式会社エヌ・ティ・ティ・ドコモ 通信システム、通信ノード及び通信方法
US8948266B2 (en) 2004-10-12 2015-02-03 Qualcomm Incorporated Adaptive intra-refresh for digital video encoding
US20060098573A1 (en) * 2004-11-08 2006-05-11 Beer John C System and method for the virtual aggregation of network links
US8634413B2 (en) 2004-12-30 2014-01-21 Microsoft Corporation Use of frame caching to improve packet loss recovery
US9154795B2 (en) 2005-01-18 2015-10-06 Thomson Licensing Method and apparatus for estimating channel induced distortion
US9667999B2 (en) 2005-04-25 2017-05-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Method and system for encoding video data
US20060268976A1 (en) 2005-05-03 2006-11-30 Motorola, Inc. Method and apparatus for determining channel quality and performing adaptive modulation coding within a multi carrier communication system
DE102005029127A1 (de) 2005-06-23 2007-04-19 On Demand Microelectronics Ag Verfahren und Vorrichtung zur optimierten prädiktiven Videocodierung
US20070030894A1 (en) 2005-08-03 2007-02-08 Nokia Corporation Method, device, and module for improved encoding mode control in video encoding
AU2006321552B2 (en) 2005-12-08 2012-05-31 Vidyo, Inc. Systems and methods for error resilience and random access in video communication systems
US8089892B2 (en) * 2005-12-15 2012-01-03 Thomson Licensing Adaptive joint source and channel coding scheme for H.264 video multicasting over wireless networks
JP5415081B2 (ja) * 2005-12-22 2014-02-12 トムソン ライセンシング フレキシブル・マクロブロック配列（ｆｍｏ）ビデオ符号化のためにフレーム選択を最適化する方法及び装置
US20070160137A1 (en) 2006-01-09 2007-07-12 Nokia Corporation Error resilient mode decision in scalable video coding
WO2007084475A2 (en) 2006-01-17 2007-07-26 Thomson Licensing Methods and apparatus for low complexity error resilient motion estimation and coding mode selection
JP4845640B2 (ja) 2006-08-23 2011-12-28 富士通株式会社 無線通信システムおよび無線通信方法
US8457202B2 (en) 2006-08-28 2013-06-04 Thomson Licensing Method and apparatus for determining expected distortion in decoded video blocks
US9872045B2 (en) * 2006-10-16 2018-01-16 Conversant Wireless Licensing S.A R.L. Method, electronic device, system, computer program product and circuit assembly for reducing error in video coding
US8467448B2 (en) 2006-11-15 2013-06-18 Motorola Mobility Llc Apparatus and method for fast intra/inter macro-block mode decision for video encoding
JP5303470B2 (ja) 2006-12-15 2013-10-02 トムソン ライセンシング 歪みの推定
US8824567B2 (en) 2007-04-04 2014-09-02 Ittiam Systems (P) Ltd. Method and device for tracking error propagation and refreshing a video stream
KR100898176B1 (ko) 2007-06-12 2009-05-19 한국전자통신연구원 비디오 인코딩을 위한 인터 모드 결정 방법
US20080316364A1 (en) 2007-06-25 2008-12-25 The Hong Kong University Of Science And Technology Rate distortion optimization for video denoising
US8265144B2 (en) 2007-06-30 2012-09-11 Microsoft Corporation Innovations in video decoder implementations
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8982947B2 (en) 2007-07-20 2015-03-17 The Hong Kong University Of Science And Technology Rate control and video denoising for noisy video data
CN100566427C (zh) 2007-07-31 2009-12-02 北京大学 用于视频编码的帧内预测编码最佳模式的选取方法及装置
US20090067495A1 (en) 2007-09-11 2009-03-12 The Hong Kong University Of Science And Technology Rate distortion optimization for inter mode generation for error resilient video coding
EP2191651A1 (en) 2007-09-28 2010-06-02 Dolby Laboratories Licensing Corporation Video compression and tranmission techniques
US20090103635A1 (en) * 2007-10-17 2009-04-23 Peshala Vishvajith Pahalawatta System and method of unequal error protection with hybrid arq/fec for video streaming over wireless local area networks
US20090110062A1 (en) 2007-10-30 2009-04-30 The Hong Kong University Of Science And Technology Optimal heegard-berger coding schemes
US20090135901A1 (en) 2007-11-28 2009-05-28 The Hong Kong University Of Science And Technology Complexity adaptive video encoding using multiple reference frames
FR2925819A1 (fr) 2007-12-21 2009-06-26 Thomson Licensing Sas Procede de codage double passe par macrobloc
US8238427B2 (en) 2008-01-17 2012-08-07 Texas Instruments Incorporated Rate distortion optimized adaptive intra refresh for video coding
US8265171B2 (en) 2008-02-26 2012-09-11 Richwave Technology Corp. Error resilient video transmission using instantaneous receiver feedback and channel quality adaptive packet retransmission
US8798137B2 (en) 2008-02-29 2014-08-05 City University Of Hong Kong Bit rate estimation in data or video compression
US8406296B2 (en) 2008-04-07 2013-03-26 Qualcomm Incorporated Video refresh adaptation algorithms responsive to error feedback
KR101350723B1 (ko) 2008-06-16 2014-01-16 돌비 레버러토리즈 라이쎈싱 코오포레이션 비디오 코딩을 위한 슬라이스 종속성에 기초한 레이트 제어 모델 적응 방법
EP2139138B1 (en) 2008-06-24 2013-06-19 Alcatel Lucent Radio link adaption of a channel between a first network element and a second network element in a communication network
US20110182356A1 (en) 2008-07-25 2011-07-28 Satya Ghosh Ammu A method for the estimation of spatio-temporal homogeneity in video sequences
WO2010036772A2 (en) 2008-09-26 2010-04-01 Dolby Laboratories Licensing Corporation Complexity allocation for video and image coding applications
KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
KR101217525B1 (ko) * 2008-12-22 2013-01-18 한국전자통신연구원 비터비 디코더와 이를 이용한 음성 인식 방법
US8780821B2 (en) * 2009-02-20 2014-07-15 Qualcomm Incorporated Channel interleaver for transmission of multiple code blocks in a wireless communication system
US20100238997A1 (en) 2009-03-17 2010-09-23 Yang En-Hui Method and system for optimized video coding
EP2230849A1 (en) 2009-03-20 2010-09-22 Mitsubishi Electric R&D Centre Europe B.V. Encoding and decoding video data using motion vectors
US8031747B2 (en) * 2009-04-29 2011-10-04 Juniper Networks, Inc. Apparatus and method of compensating for clock frequency and phase variations by processing packet delay values
US8270473B2 (en) 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US8477846B2 (en) * 2009-10-07 2013-07-02 Ittiam Systems (P) Ltd. System and method for adaptive intra refresh rate setting in a video encoder
US8411750B2 (en) 2009-10-30 2013-04-02 Qualcomm Incorporated Global motion parameter estimation using block-based motion vectors
TWI390503B (zh) * 2009-11-19 2013-03-21 Gemtek Technolog Co Ltd Dual channel voice transmission system, broadcast scheduling design module, packet coding and missing sound quality damage estimation algorithm
GB2476271B (en) 2009-12-17 2015-09-02 Skype Coding data streams
US8553796B2 (en) 2009-12-23 2013-10-08 Intel Corporation Distortion-aware multiple input multiple output precoding
US8724692B2 (en) 2010-01-08 2014-05-13 Nokia Corporation Apparatus, a method and a computer program for video coding
US20110206118A1 (en) 2010-02-19 2011-08-25 Lazar Bivolarsky Data Compression for Video
WO2011109101A1 (en) 2010-03-05 2011-09-09 Thomson Licensing Bit rate adjustment in an adaptive streaming system
US20110310976A1 (en) * 2010-06-17 2011-12-22 Qualcomm Incorporated Joint Coding of Partition Information in Video Coding
US20120069927A1 (en) 2010-09-17 2012-03-22 Intel Corporation CQI feedback mechanisms for distortion-aware link adaptation toward enhanced multimedia communications
ES2741426T3 (es) 2010-10-20 2020-02-11 Guangdong Oppo Mobile Telecommunications Corp Ltd Optimización de la tasa de distorsión resistente a errores para la codificación de imágenes y vídeos
US9615085B2 (en) 2011-06-14 2017-04-04 Zhou Wang Method and system for structural similarity based rate-distortion optimization for perceptual video coding
GB2492163B (en) 2011-06-24 2018-05-02 Skype Video coding
GB2492330B (en) 2011-06-24 2017-10-18 Skype Rate-Distortion Optimization with Encoding Mode Selection
GB2492329B (en) 2011-06-24 2018-02-28 Skype Video coding
GB2493777A (en) 2011-08-19 2013-02-20 Skype Image encoding mode selection based on error propagation distortion map
GB2495467B (en) 2011-09-02 2017-12-13 Skype Video coding
GB2495468B (en) 2011-09-02 2017-12-13 Skype Video coding

Also Published As

Publication number Publication date
EP2737702A1 (en) 2014-06-04
GB201115210D0 (en) 2011-10-19
WO2013033677A1 (en) 2013-03-07
US9854274B2 (en) 2017-12-26
KR101999414B1 (ko) 2019-07-11
EP2737702B1 (en) 2022-02-23
JP2014528201A (ja) 2014-10-23
US20130058395A1 (en) 2013-03-07
GB2495469B (en) 2017-12-13
KR20140057309A (ko) 2014-05-12
GB2495469A (en) 2013-04-17

Similar Documents

Publication Publication Date Title
JP6047835B2 (ja) 符号化方法及び送信端末
JP6031106B2 (ja) エラーのない基準フレームを使用したビデオリフレッシュ
JP6175666B2 (ja) 誤り伝搬追跡および受信機からの誤りフィードバックを用いるビデオリフレッシュ
CN103650493B (zh) 低复杂度模式选择
CN103609115B (zh) 具有基于知觉的帧内切换的模式决策的编码方法及装置
CN103733621B (zh) 基于低复杂度差错传播追踪的速率失真优化的视频编码模式选择
CN103609122B (zh) 用于视频编码的率失真优化
CN102946534A (zh) 视频编码
CN102946532A (zh) 视频编码

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150807

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150807

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160427

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160510

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160809

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20161004

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20161101

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20161102

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20161101

R150 Certificate of patent or registration of utility model

Ref document number: 6047835

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250