JP2012516627A - ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 - Google Patents

ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 Download PDF

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JP2012516627A
JP2012516627A JP2011547886A JP2011547886A JP2012516627A JP 2012516627 A JP2012516627 A JP 2012516627A JP 2011547886 A JP2011547886 A JP 2011547886A JP 2011547886 A JP2011547886 A JP 2011547886A JP 2012516627 A JP2012516627 A JP 2012516627A
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transform
block
transforms
information
input
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JP2012516627A5 (OSRAM
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ソレ，ジヨエル
イン，ペン
ジエン，ユンフエイ
ゴミラ，クリステイーナ
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Thomson Licensing SAS
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    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2011547886A 2009-01-27 2009-10-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 Pending JP2012516627A (ja)

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US14770509P 2009-01-27 2009-01-27
US61/147,705 2009-01-27
US20778309P 2009-02-17 2009-02-17
US61/207,783 2009-02-17
PCT/US2009/005731 WO2010087809A1 (en) 2009-01-27 2009-10-21 Methods and apparatus for transform selection in video encoding and decoding

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JP2011547885A Pending JP2012516626A (ja) 2009-01-27 2009-10-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2011547884A Pending JP2012516625A (ja) 2009-01-27 2009-10-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015234536A Pending JP2016067026A (ja) 2009-01-27 2015-12-01 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015237990A Pending JP2016076971A (ja) 2009-01-27 2015-12-04 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015238095A Pending JP2016076972A (ja) 2009-01-27 2015-12-04 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018015101A Pending JP2018093522A (ja) 2009-01-27 2018-01-31 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018136538A Pending JP2018186556A (ja) 2009-01-27 2018-07-20 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018145999A Ceased JP2018201222A (ja) 2009-01-27 2018-08-02 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2020124479A Ceased JP2020191647A (ja) 2009-01-27 2020-07-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2022128799A Active JP7519411B2 (ja) 2009-01-27 2022-08-12 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置

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JP2011547884A Pending JP2012516625A (ja) 2009-01-27 2009-10-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015234536A Pending JP2016067026A (ja) 2009-01-27 2015-12-01 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015237990A Pending JP2016076971A (ja) 2009-01-27 2015-12-04 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2015238095A Pending JP2016076972A (ja) 2009-01-27 2015-12-04 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018015101A Pending JP2018093522A (ja) 2009-01-27 2018-01-31 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018136538A Pending JP2018186556A (ja) 2009-01-27 2018-07-20 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2018145999A Ceased JP2018201222A (ja) 2009-01-27 2018-08-02 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2020124479A Ceased JP2020191647A (ja) 2009-01-27 2020-07-21 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
JP2022128799A Active JP7519411B2 (ja) 2009-01-27 2022-08-12 ビデオ符号化およびビデオ復号における変換の選択のための方法および装置

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US (6) US9049443B2 (OSRAM)
EP (5) EP2382778A4 (OSRAM)
JP (11) JP2012516627A (OSRAM)
KR (15) KR20210028283A (OSRAM)
CN (4) CN105120281B (OSRAM)
BR (4) BR122015015910B1 (OSRAM)
HK (1) HK1222274A1 (OSRAM)
WO (3) WO2010087807A1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012222401A (ja) * 2011-04-04 2012-11-12 Nippon Hoso Kyokai <Nhk> 符号化装置、復号装置及びプログラム

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210028283A (ko) 2009-01-27 2021-03-11 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 비디오 인코딩 및 디코딩에서 변환 선택을 위한 방법 및 장치
KR101527085B1 (ko) * 2009-06-30 2015-06-10 한국전자통신연구원 인트라 부호화/복호화 방법 및 장치
KR101837206B1 (ko) * 2009-07-23 2018-03-09 톰슨 라이센싱 비디오 인코딩 및 디코딩에서 적응적 변환 선택을 위한 방법들 및 장치
KR101753273B1 (ko) * 2010-03-10 2017-07-03 톰슨 라이센싱 변환 선택을 갖는 비디오 코딩 및 디코딩을 위한 제약 변환 방법 및 장치
US8929440B2 (en) * 2010-04-09 2015-01-06 Sony Corporation QP adaptive coefficients scanning and application
US9172968B2 (en) 2010-07-09 2015-10-27 Qualcomm Incorporated Video coding using directional transforms
JP2012023632A (ja) * 2010-07-15 2012-02-02 Sony Corp 符号化装置および符号化方法、並びに、復号装置および復号方法
US20130177077A1 (en) * 2010-07-15 2013-07-11 Agency For Science, Technology And Research Method, Apparatus and Computer Program Product for Encoding Video Data
US8787459B2 (en) * 2010-11-09 2014-07-22 Sony Computer Entertainment Inc. Video coding methods and apparatus
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
US8767835B2 (en) * 2010-12-28 2014-07-01 Mitsubishi Electric Research Laboratories, Inc. Method for coding videos using dictionaries
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
US8630341B2 (en) * 2011-01-14 2014-01-14 Mitsubishi Electric Research Laboratories, Inc. Method for training and utilizing separable transforms for video coding
US9380319B2 (en) * 2011-02-04 2016-06-28 Google Technology Holdings LLC Implicit transform unit representation
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
US9167253B2 (en) 2011-06-28 2015-10-20 Qualcomm Incorporated Derivation of the position in scan order of the last significant transform coefficient in video coding
US8929455B2 (en) * 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
MX2014004776A (es) * 2011-10-17 2014-07-09 Kt Corp Metodo de transformacion adaptable con base en la prediccion en pantalla y aparato que usa el metodo.
CA2856198C (en) 2011-10-17 2017-08-29 Kt Corporation Method and apparatus for encoding/decoding image
KR20130050406A (ko) * 2011-11-07 2013-05-16 오수미 머지 모드에서의 움직임 정보 생성 방법
FR2982446A1 (fr) 2011-11-07 2013-05-10 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
FR2982447A1 (fr) 2011-11-07 2013-05-10 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
FR2982983A1 (fr) * 2011-11-22 2013-05-24 Thomson Licensing Procede de codage et de reconstruction d'un bloc de pixels et dispositifs correspondants
EP3767948A1 (en) * 2012-01-17 2021-01-20 Huawei Technologies Co., Ltd. In-loop filtering for lossless coding mode in high efficiency video coding
EP4258663B1 (en) * 2012-01-20 2024-10-02 Velos Media International Limited Multiple sign bit hiding within a transform unit
KR101418096B1 (ko) * 2012-01-20 2014-07-16 에스케이 텔레콤주식회사 가중치예측을 이용한 영상 부호화/복호화 방법 및 장치
US9008184B2 (en) * 2012-01-20 2015-04-14 Blackberry Limited Multiple sign bit hiding within a transform unit
US10333547B2 (en) 2012-08-13 2019-06-25 Gurologic Microsystems Oy Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations
US9258389B2 (en) 2012-08-13 2016-02-09 Gurulogic Microsystems Oy Encoder and method
US8675731B2 (en) 2012-08-13 2014-03-18 Gurulogic Microsystems Oy Encoder and method
US9538239B2 (en) * 2012-08-13 2017-01-03 Gurulogic Microsystems Oy Decoder and method for decoding encoded input data containing a plurality of blocks or packets
US10412414B2 (en) 2012-08-13 2019-09-10 Gurulogic Microsystems Oy Decoder and method for decoding encoded input data containing a plurality of blocks or packets
US9967559B1 (en) 2013-02-11 2018-05-08 Google Llc Motion vector dependent spatial transformation in video coding
US9544597B1 (en) 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
US9674530B1 (en) 2013-04-30 2017-06-06 Google Inc. Hybrid transforms in video coding
KR102114252B1 (ko) 2013-07-05 2020-05-22 삼성전자 주식회사 영상을 부호화하기 위한 영상 예측 모드 결정 방법 및 장치
GB2516425B (en) * 2013-07-17 2015-12-30 Gurulogic Microsystems Oy Encoder and decoder, and method of operation
US9602826B2 (en) 2014-06-27 2017-03-21 Massachusetts Institute Of Technology Managing transforms for compressing and decompressing visual data
FR3024933A1 (fr) * 2014-08-12 2016-02-19 Orange Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants
US9762912B2 (en) * 2015-01-16 2017-09-12 Microsoft Technology Licensing, Llc Gradual updating using transform coefficients for encoding and decoding
FR3038196A1 (fr) * 2015-06-29 2016-12-30 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US9769499B2 (en) 2015-08-11 2017-09-19 Google Inc. Super-transform video coding
US10277905B2 (en) 2015-09-14 2019-04-30 Google Llc Transform selection for non-baseband signal coding
EP3166313A1 (en) 2015-11-09 2017-05-10 Thomson Licensing Encoding and decoding method and corresponding devices
US9807423B1 (en) 2015-11-24 2017-10-31 Google Inc. Hybrid transform scheme for video coding
EP3335422B1 (en) * 2015-12-23 2021-12-01 Huawei Technologies Co., Ltd. Method and apparatus for transform coding with block-level transform selection and implicit signaling within hierarchical partitioning
WO2017142319A1 (ko) * 2016-02-16 2017-08-24 삼성전자 주식회사 영상 부호화 방법 및 장치와 영상 복호화 방법 및 장치
EP4451676A3 (en) * 2016-07-14 2025-01-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predictive picture coding using transform-based residual coding
FR3057131A1 (fr) 2016-10-04 2018-04-06 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal et programmes d'ordinateurs associes
FR3057429A1 (fr) * 2016-10-07 2018-04-13 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
EP3349451A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Method and apparatus for selecting a coding mode used for encoding/decoding a residual block
EP3588952B1 (en) * 2017-03-21 2021-04-28 LG Electronics Inc. Transform method in image coding system and apparatus for same
EP3451663A1 (en) * 2017-08-31 2019-03-06 Thomson Licensing Pools of transforms for local selection of a set of transforms in video coding
CN109922340B (zh) * 2017-12-13 2021-10-15 华为技术有限公司 图像编解码方法、装置、系统及存储介质
US11647214B2 (en) 2018-03-30 2023-05-09 Qualcomm Incorporated Multiple transforms adjustment stages for video coding
CN110291791A (zh) * 2018-04-02 2019-09-27 北京大学 用于视频编解码的方法和设备
JP7249111B2 (ja) * 2018-08-15 2023-03-30 日本放送協会 画像符号化装置、画像復号装置、及びプログラム
WO2020064729A1 (en) * 2018-09-24 2020-04-02 Telefonaktiebolaget Lm Ericsson (Publ) Transformation selection by transmitting a transformation set indicator for use in video coding
WO2020064732A1 (en) * 2018-09-25 2020-04-02 Telefonaktiebolaget Lm Ericsson (Publ) Transformation selection by transmitting a transformation set indicator for use in video coding
CN113302924B (zh) * 2018-11-22 2024-09-17 交互数字Vc控股公司 用于视频编码和解码的量化
CN109788286B (zh) * 2019-02-01 2021-06-18 北京大学深圳研究生院 一种编码、解码变换方法、系统、设备及计算机可读介质
EP3939282A4 (en) 2019-04-23 2022-11-16 Beijing Bytedance Network Technology Co., Ltd. CONTEXT MODELING AND MULTIPLE TRANSFORMATION MATRIX SELECTION
US11122297B2 (en) 2019-05-03 2021-09-14 Google Llc Using border-aligned block functions for image compression
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
CN114631314A (zh) * 2019-09-13 2022-06-14 交互数字Vc控股法国有限公司 变换大小与编码工具的相互作用
KR102826586B1 (ko) * 2019-10-01 2025-06-26 세종대학교산학협력단 주변 움직임에 따른 영상 변환 방법 및 그 장치
US12192505B2 (en) * 2019-10-02 2025-01-07 V-Nova International Limited Use of transformed coefficients to provide embedded signalling for watermarking
CN114079772B (zh) 2020-08-21 2023-04-07 腾讯科技（深圳）有限公司 视频解码方法、装置、计算机可读介质及电子设备
US11683490B2 (en) * 2020-09-10 2023-06-20 Tencent America LLC Context adaptive transform set
CN112565751B (zh) * 2020-09-27 2021-09-10 腾讯科技（深圳）有限公司 视频解码方法、装置、计算机可读介质及电子设备
CN112862106B (zh) * 2021-01-19 2024-01-30 中国人民大学 一种基于自适应编解码迭代学习控制信息传输系统和方法
CN114979655B (zh) 2021-02-21 2025-03-11 腾讯科技（深圳）有限公司 视频编解码方法、装置、计算机可读介质及电子设备
WO2023146358A1 (ko) * 2022-01-27 2023-08-03 세종대학교 산학협력단 영상 부호화/복호화 방법 및 장치
WO2025135643A1 (ko) * 2023-12-20 2025-06-26 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2025149522A1 (en) * 2024-01-09 2025-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and corresponding methods for prediction-based residual coding

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002314428A (ja) * 2001-04-09 2002-10-25 Ntt Docomo Inc 信号符号化方法及び装置並びに復号方法及び装置
JP2002325170A (ja) * 2001-04-24 2002-11-08 Canon Inc 画像処理装置及びその方法並びにプログラムコード、記憶媒体
JP2003204550A (ja) * 2002-01-07 2003-07-18 Mitsubishi Electric Corp 動画像符号化装置および動画像復号装置
JP2005167655A (ja) * 2003-12-03 2005-06-23 Matsushita Electric Ind Co Ltd 変換符号化方法および変換復号化方法
WO2006028088A1 (ja) * 2004-09-08 2006-03-16 Matsushita Electric Industrial Co., Ltd. 動画像符号化方法および動画像復号化方法
WO2008131042A1 (en) * 2007-04-17 2008-10-30 Qualcomm Incorporated Directional transforms for intra-coding

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61285869A (ja) 1985-06-12 1986-12-16 Toshiba Corp 画像符号化方式
JP2637093B2 (ja) * 1987-03-13 1997-08-06 株式会社東芝 画像符号化方式
JPH01240032A (ja) * 1988-03-22 1989-09-25 Toshiba Corp 適応ｋｌ変換符号化方式及びその復号化方式
KR0166722B1 (ko) * 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
TW224553B (en) * 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5592228A (en) 1993-03-04 1997-01-07 Kabushiki Kaisha Toshiba Video encoder using global motion estimation and polygonal patch motion estimation
JPH06284412A (ja) 1993-03-26 1994-10-07 Sony Corp 画像信号符号化方法および画像信号符号化装置、画像信号復号化方法および画像信号復号化装置、ならびに画像信号記録媒体
JPH0787448A (ja) 1993-06-30 1995-03-31 Victor Co Of Japan Ltd デジタル映像信号の符号化回路及び復号化回路
KR0129573B1 (ko) * 1994-04-30 1998-04-10 배순훈 디지탈 화상 복호화를 위한 디씨(dc) 계수의 오차보상 방법
JPH0846971A (ja) * 1994-07-29 1996-02-16 Sharp Corp 動画像符号化装置
US5748786A (en) * 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
US6011864A (en) 1996-07-03 2000-01-04 Apple Computer, Inc. Digital image coding system having self-adjusting selection criteria for selecting a transform function
JPH11234638A (ja) * 1998-02-16 1999-08-27 Canon Inc 画像符号化装置及び方法並びに記憶媒体
JP3670554B2 (ja) 2000-04-25 2005-07-13 日本電信電話株式会社 画像信号符号化装置／復号装置，画像信号符号化方法／復号方法および画像信号符号化／復号プログラム記録媒体
EP1332470B1 (en) * 2000-07-06 2010-09-08 Thomas W. Meyer Steganographic embedding of data in digital signals
DE60119660T2 (de) * 2000-10-10 2007-02-22 Koninklijke Philips Electronics N.V. Verfahren zur Verarbeitung von Videodateien
EP1352336A4 (en) 2000-10-23 2006-09-06 Ibm FASTER TRANSFORMATIONS THROUGH THE USE OF SCALED TERMS, EARLY BREAKDOWN AND PRECISION REFINANCES
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US20030118097A1 (en) * 2001-12-21 2003-06-26 Koninklijke Philips Electronics N.V. System for realization of complexity scalability in a layered video coding framework
US20040125204A1 (en) 2002-12-27 2004-07-01 Yoshihisa Yamada Moving picture coding apparatus and moving picture decoding apparatus
US7317759B1 (en) 2002-02-28 2008-01-08 Carnegie Mellon University System and methods for video compression mode decisions
CN100337064C (zh) 2002-07-24 2007-09-12 大金工业株式会社 除湿单元
GB2401502B (en) * 2003-05-07 2007-02-14 British Broadcasting Corp Data processing
EP1555832A3 (en) 2004-01-14 2011-05-18 Samsung Electronics Co., Ltd. Adaptive loop filtering for reducing blocking artifacts
KR100596705B1 (ko) * 2004-03-04 2006-07-04 삼성전자주식회사 비디오 스트리밍 서비스를 위한 비디오 코딩 방법과 비디오 인코딩 시스템, 및 비디오 디코딩 방법과 비디오 디코딩 시스템
US8116374B2 (en) 2004-05-07 2012-02-14 Broadcom Corporation Method and system for generating a transform size syntax element for video decoding
JP4247680B2 (ja) * 2004-07-07 2009-04-02 ソニー株式会社 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
JP4236266B2 (ja) * 2004-08-27 2009-03-11 キヤノン株式会社 データ変換装置およびその方法
JP2006157481A (ja) 2004-11-30 2006-06-15 Canon Inc 画像符号化装置及びその方法
KR20060123939A (ko) 2005-05-30 2006-12-05 삼성전자주식회사 영상의 복부호화 방법 및 장치
KR101088375B1 (ko) 2005-07-21 2011-12-01 삼성전자주식회사 가변 블록 변환 장치 및 방법 및 이를 이용한 영상부호화/복호화 장치 및 방법
CN102176754B (zh) * 2005-07-22 2013-02-06 三菱电机株式会社 图像编码装置和方法、以及图像解码装置和方法
KR100727969B1 (ko) * 2005-08-27 2007-06-14 삼성전자주식회사 영상의 부호화 및 복호화 장치와, 그 방법, 및 이를수행하기 위한 프로그램이 기록된 기록 매체
KR100813963B1 (ko) 2005-09-16 2008-03-14 세종대학교산학협력단 동영상의 무손실 부호화, 복호화 방법 및 장치
KR100750137B1 (ko) 2005-11-02 2007-08-21 삼성전자주식회사 영상의 부호화,복호화 방법 및 장치
JP4829019B2 (ja) 2006-07-06 2011-11-30 株式会社東芝 通信端末装置
KR101354151B1 (ko) * 2006-08-24 2014-01-28 삼성전자주식회사 영상 변환 방법 및 장치, 역변환 방법 및 장치
KR100927733B1 (ko) 2006-09-20 2009-11-18 한국전자통신연구원 잔여계수의 상관성에 따라 변환기를 선택적으로 이용한부호화/복호화 장치 및 그 방법
US9319700B2 (en) 2006-10-12 2016-04-19 Qualcomm Incorporated Refinement coefficient coding based on history of corresponding transform coefficient values
EP2077038B1 (en) 2006-10-18 2013-01-30 Apple Inc. Scalable video coding with filtering of lower layers
CN101636761B (zh) 2007-03-23 2013-07-24 汤姆森特许公司 修改编码的比特流
US8619853B2 (en) * 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
US8437564B2 (en) * 2007-08-07 2013-05-07 Ntt Docomo, Inc. Image and video compression using sparse orthonormal transforms
US8363728B2 (en) * 2008-04-18 2013-01-29 Sony Corporation Block based codec friendly edge detection and transform selection
US8285068B2 (en) * 2008-06-25 2012-10-09 Cisco Technology, Inc. Combined deblocking and denoising filter
KR20210028283A (ko) 2009-01-27 2021-03-11 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 비디오 인코딩 및 디코딩에서 변환 선택을 위한 방법 및 장치
US8630341B2 (en) 2011-01-14 2014-01-14 Mitsubishi Electric Research Laboratories, Inc. Method for training and utilizing separable transforms for video coding

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002314428A (ja) * 2001-04-09 2002-10-25 Ntt Docomo Inc 信号符号化方法及び装置並びに復号方法及び装置
JP2002325170A (ja) * 2001-04-24 2002-11-08 Canon Inc 画像処理装置及びその方法並びにプログラムコード、記憶媒体
JP2003204550A (ja) * 2002-01-07 2003-07-18 Mitsubishi Electric Corp 動画像符号化装置および動画像復号装置
JP2005167655A (ja) * 2003-12-03 2005-06-23 Matsushita Electric Ind Co Ltd 変換符号化方法および変換復号化方法
WO2006028088A1 (ja) * 2004-09-08 2006-03-16 Matsushita Electric Industrial Co., Ltd. 動画像符号化方法および動画像復号化方法
WO2008131042A1 (en) * 2007-04-17 2008-10-30 Qualcomm Incorporated Directional transforms for intra-coding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012222401A (ja) * 2011-04-04 2012-11-12 Nippon Hoso Kyokai <Nhk> 符号化装置、復号装置及びプログラム

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