CN101682771B - 视频译码中的自适应系数扫描 - Google Patents
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Abstract
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Applications Claiming Priority (9)
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US12/133,232 US8571104B2 (en) | 2007-06-15 | 2008-06-04 | Adaptive coefficient scanning in video coding |
PCT/US2008/066796 WO2008157268A2 (en) | 2007-06-15 | 2008-06-12 | Adaptive coefficient scanning in video coding |
Publications (2)
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CN101682771A CN101682771A (zh) | 2010-03-24 |
CN101682771B true CN101682771B (zh) | 2012-02-29 |
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CN2008800202330A Active CN101682771B (zh) | 2007-06-15 | 2008-06-12 | 视频译码中的自适应系数扫描 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8428133B2 (en) * | 2007-06-15 | 2013-04-23 | Qualcomm Incorporated | Adaptive coding of video block prediction mode |
US8542748B2 (en) | 2008-03-28 | 2013-09-24 | Sharp Laboratories Of America, Inc. | Methods and systems for parallel video encoding and decoding |
US8000546B2 (en) * | 2008-08-01 | 2011-08-16 | National Cheng Kung University | Adaptive scan method for image/video coding |
KR101379185B1 (ko) * | 2009-04-14 | 2014-03-31 | 에스케이 텔레콤주식회사 | 예측 모드 선택 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 |
KR101379186B1 (ko) * | 2009-08-21 | 2014-04-10 | 에스케이 텔레콤주식회사 | 인트라 예측 부호화/복호화 방법 및 장치 |
US9287894B2 (en) * | 2009-10-05 | 2016-03-15 | Orange | Methods for encoding and decoding images, corresponding encoding and decoding devices and computer programs |
BR112012009142B1 (pt) * | 2009-10-20 | 2021-10-19 | Sharp Kabushiki Kaisha | Dispositivo de codificação de imagem móvel, dispositivo de decodificação de imagem móvel, método de codificação de imagem móvel e método de decodificação de imagem móvel |
WO2011083573A1 (ja) | 2010-01-07 | 2011-07-14 | 株式会社 東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5323209B2 (ja) * | 2010-01-07 | 2013-10-23 | 株式会社東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5696248B2 (ja) * | 2010-01-07 | 2015-04-08 | 株式会社東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5526277B2 (ja) * | 2010-01-07 | 2014-06-18 | 株式会社東芝 | 動画像復号化装置、方法及びプログラム |
JP5908619B2 (ja) * | 2010-01-07 | 2016-04-26 | 株式会社東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5525650B2 (ja) * | 2010-01-07 | 2014-06-18 | 株式会社東芝 | 動画像復号化装置、方法及びプログラム |
JP5432412B1 (ja) * | 2010-01-07 | 2014-03-05 | 株式会社東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5597782B2 (ja) * | 2010-01-07 | 2014-10-01 | 株式会社東芝 | 動画像符号化装置及び動画像復号化装置 |
JP5432359B2 (ja) * | 2010-01-07 | 2014-03-05 | 株式会社東芝 | 動画像符号化装置、方法及びプログラム |
US9049450B2 (en) | 2010-04-05 | 2015-06-02 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding video based on internal bit depth increment, and method and apparatus for decoding video based on internal bit depth increment |
US8982961B2 (en) | 2010-04-05 | 2015-03-17 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding video by using transformation index, and method and apparatus for decoding video by using transformation index |
WO2011126277A2 (en) | 2010-04-05 | 2011-10-13 | Samsung Electronics Co., Ltd. | Low complexity entropy-encoding/decoding method and apparatus |
US8929440B2 (en) * | 2010-04-09 | 2015-01-06 | Sony Corporation | QP adaptive coefficients scanning and application |
HUE040296T2 (hu) | 2010-04-13 | 2019-02-28 | Ge Video Compression Llc | Szignifikancia térképek és transzformációs együttható blokkok kódolása |
JP2011259205A (ja) * | 2010-06-09 | 2011-12-22 | Sony Corp | 画像復号化装置と画像符号化装置およびその方法とプログラム |
US9661338B2 (en) | 2010-07-09 | 2017-05-23 | Qualcomm Incorporated | Coding syntax elements for adaptive scans of transform coefficients for video coding |
JP2012019448A (ja) * | 2010-07-09 | 2012-01-26 | Sony Corp | 画像処理装置および方法 |
US9300970B2 (en) * | 2010-07-09 | 2016-03-29 | Samsung Electronics Co., Ltd. | Methods and apparatuses for encoding and decoding motion vector |
US8344917B2 (en) | 2010-09-30 | 2013-01-01 | Sharp Laboratories Of America, Inc. | Methods and systems for context initialization in video coding and decoding |
CN102447895B (zh) | 2010-09-30 | 2013-10-02 | 华为技术有限公司 | 扫描方法及装置、反扫描方法及装置 |
US9313514B2 (en) * | 2010-10-01 | 2016-04-12 | Sharp Kabushiki Kaisha | Methods and systems for entropy coder initialization |
US8923395B2 (en) * | 2010-10-01 | 2014-12-30 | Qualcomm Incorporated | Video coding using intra-prediction |
CA2810899C (en) | 2010-10-05 | 2016-08-09 | General Instrument Corporation | Coding and decoding utilizing adaptive context model selection with zigzag scan |
US9532059B2 (en) | 2010-10-05 | 2016-12-27 | Google Technology Holdings LLC | Method and apparatus for spatial scalability for video coding |
US9641846B2 (en) | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
US9497472B2 (en) * | 2010-11-16 | 2016-11-15 | Qualcomm Incorporated | Parallel context calculation 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 |
US9288496B2 (en) * | 2010-12-03 | 2016-03-15 | Qualcomm Incorporated | Video coding using function-based scan order for transform coefficients |
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 |
JP2012129888A (ja) * | 2010-12-16 | 2012-07-05 | Samsung Electronics Co Ltd | 画像符号化装置及び画像符号化方法 |
US20120163472A1 (en) * | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Efficiently coding scanning order information for a video 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 |
US9049444B2 (en) * | 2010-12-22 | 2015-06-02 | Qualcomm Incorporated | Mode dependent scanning of coefficients of a block of video data |
US20120236931A1 (en) * | 2010-12-23 | 2012-09-20 | Qualcomm Incorporated | Transform coefficient scan |
US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
KR101739580B1 (ko) * | 2010-12-30 | 2017-05-25 | 에스케이 텔레콤주식회사 | 적응적 스캔 장치 및 그 스캔 방법 |
US9490839B2 (en) | 2011-01-03 | 2016-11-08 | Qualcomm Incorporated | Variable length coding of video block coefficients |
JP5781313B2 (ja) | 2011-01-12 | 2015-09-16 | 株式会社Nttドコモ | 画像予測符号化方法、画像予測符号化装置、画像予測符号化プログラム、画像予測復号方法、画像予測復号装置及び画像予測復号プログラム |
FR2972588A1 (fr) | 2011-03-07 | 2012-09-14 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
US9106913B2 (en) | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
US20120230418A1 (en) * | 2011-03-08 | 2012-09-13 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
US8861593B2 (en) | 2011-03-15 | 2014-10-14 | Sony Corporation | Context adaptation within video coding modules |
US9648334B2 (en) * | 2011-03-21 | 2017-05-09 | Qualcomm Incorporated | Bi-predictive merge mode based on uni-predictive neighbors in video coding |
US8938001B1 (en) | 2011-04-05 | 2015-01-20 | Google Inc. | Apparatus and method for coding using combinations |
US8989256B2 (en) | 2011-05-25 | 2015-03-24 | Google Inc. | Method and apparatus for using segmentation-based coding of prediction information |
FR2977111A1 (fr) * | 2011-06-24 | 2012-12-28 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
US9491469B2 (en) | 2011-06-28 | 2016-11-08 | Qualcomm Incorporated | Coding of last significant transform coefficient |
US9516316B2 (en) | 2011-06-29 | 2016-12-06 | Qualcomm Incorporated | VLC coefficient coding for large chroma block |
CN104980746B (zh) * | 2011-07-01 | 2018-07-31 | 三星电子株式会社 | 用于使用分层数据单元进行编码和解码的方法和设备 |
US9338456B2 (en) | 2011-07-11 | 2016-05-10 | Qualcomm Incorporated | Coding syntax elements using VLC codewords |
US8891616B1 (en) | 2011-07-27 | 2014-11-18 | Google Inc. | Method and apparatus for entropy encoding based on encoding cost |
US9787982B2 (en) * | 2011-09-12 | 2017-10-10 | Qualcomm Incorporated | Non-square transform units and prediction units in video coding |
MX338988B (es) * | 2011-10-24 | 2016-05-09 | Infobridge Pte Ltd | Aparato para la decodificacion de imagenes. |
KR20130049524A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 방법 |
KR20130049523A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 장치 |
US10390046B2 (en) | 2011-11-07 | 2019-08-20 | Qualcomm Incorporated | Coding significant coefficient information in transform skip mode |
KR20130050405A (ko) * | 2011-11-07 | 2013-05-16 | 오수미 | 인터 모드에서의 시간 후보자 결정방법 |
US9247257B1 (en) * | 2011-11-30 | 2016-01-26 | Google Inc. | Segmentation based entropy encoding and decoding |
AR092786A1 (es) * | 2012-01-09 | 2015-05-06 | Jang Min | Metodos para eliminar artefactos de bloque |
US9094681B1 (en) | 2012-02-28 | 2015-07-28 | Google Inc. | Adaptive segmentation |
US11039138B1 (en) * | 2012-03-08 | 2021-06-15 | Google Llc | Adaptive coding of prediction modes using probability distributions |
GB2501534A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Control of transform processing order in high efficeency video codecs |
US9185429B1 (en) | 2012-04-30 | 2015-11-10 | Google Inc. | Video encoding and decoding using un-equal error protection |
WO2013181821A1 (en) * | 2012-06-07 | 2013-12-12 | Mediatek Singapore Pte. Ltd. | Improved intra transform skip mode |
US9781447B1 (en) | 2012-06-21 | 2017-10-03 | Google Inc. | Correlation based inter-plane prediction encoding and decoding |
US9774856B1 (en) | 2012-07-02 | 2017-09-26 | Google Inc. | Adaptive stochastic entropy coding |
KR102167095B1 (ko) | 2012-07-02 | 2020-10-16 | 엘지전자 주식회사 | 영상 정보 코딩 방법 및 이를 이용하는 장치 |
MY200990A (en) * | 2012-07-02 | 2024-01-29 | Samsung Electronics Co Ltd | Entrophy Coding of a Video and Entropy Decoding of a Video |
US9264713B2 (en) * | 2012-07-11 | 2016-02-16 | Qualcomm Incorporated | Rotation of prediction residual blocks in video coding with transform skipping |
US9167268B1 (en) | 2012-08-09 | 2015-10-20 | Google Inc. | Second-order orthogonal spatial intra prediction |
US9332276B1 (en) | 2012-08-09 | 2016-05-03 | Google Inc. | Variable-sized super block based direct prediction mode |
US9380298B1 (en) | 2012-08-10 | 2016-06-28 | Google Inc. | Object-based intra-prediction |
US9344742B2 (en) | 2012-08-10 | 2016-05-17 | Google Inc. | Transform-domain intra prediction |
US9826229B2 (en) | 2012-09-29 | 2017-11-21 | Google Technology Holdings LLC | Scan pattern determination from base layer pixel information for scalable extension |
EP2920962A4 (en) | 2012-11-13 | 2016-07-20 | Intel Corp | ADAPTIVE TRANSFORMATION ENCODING OF CONTENT FOR NEXT GENERATION VIDEO |
US9350988B1 (en) | 2012-11-20 | 2016-05-24 | Google Inc. | Prediction mode-based block ordering in video coding |
EP2952003B1 (en) * | 2013-01-30 | 2019-07-17 | Intel Corporation | Content adaptive partitioning for prediction and coding for next generation video |
US9681128B1 (en) | 2013-01-31 | 2017-06-13 | Google Inc. | Adaptive pre-transform scanning patterns for video and image compression |
US9509998B1 (en) | 2013-04-04 | 2016-11-29 | Google Inc. | Conditional predictive multi-symbol run-length coding |
CN103428492B (zh) * | 2013-07-16 | 2016-11-16 | 山东大学 | 一种高清AVS编码中快速zig-zag扫描的方法 |
CN105453567B (zh) | 2013-07-24 | 2019-04-23 | 微软技术许可有限责任公司 | 用于非变换编码的扫描次序 |
US9247251B1 (en) | 2013-07-26 | 2016-01-26 | Google Inc. | Right-edge extension for quad-tree intra-prediction |
JP5646713B2 (ja) * | 2013-09-13 | 2014-12-24 | 株式会社Nttドコモ | 画像符号化装置、方法及びプログラム、並びに、画像復号装置、方法及びプログラム |
US9392288B2 (en) | 2013-10-17 | 2016-07-12 | Google Inc. | Video coding using scatter-based scan tables |
US9179151B2 (en) | 2013-10-18 | 2015-11-03 | Google Inc. | Spatial proximity context entropy coding |
JP5893711B2 (ja) * | 2014-11-04 | 2016-03-23 | 株式会社Nttドコモ | 画像符号化装置、方法及びプログラム、並びに、画像復号装置、方法及びプログラム |
US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
JP6109354B2 (ja) * | 2016-01-20 | 2017-04-05 | 株式会社Nttドコモ | 画像復号装置、方法及びプログラム |
EP3412028B1 (en) | 2016-02-12 | 2024-04-03 | Huawei Technologies Co., Ltd. | Method and apparatus for scan order selection |
EP3412027B1 (en) | 2016-02-12 | 2024-04-24 | Huawei Technologies Co., Ltd. | Method and apparatus for scan order selection |
US10623774B2 (en) | 2016-03-22 | 2020-04-14 | Qualcomm Incorporated | Constrained block-level optimization and signaling for video coding tools |
US10440394B2 (en) * | 2016-09-08 | 2019-10-08 | Google Llc | Context adaptive scan order for entropy coding |
JP6767691B2 (ja) * | 2016-10-18 | 2020-10-14 | パナソニックIpマネジメント株式会社 | 画像符号化方法、伝送方法および画像符号化装置 |
GB2557335A (en) * | 2016-12-07 | 2018-06-20 | Sony Corp | Image data encoding and decoding |
CA3060201C (en) | 2017-04-13 | 2023-09-19 | Lg Electronics Inc. | Image encoding/decoding method and device therefor |
BR112020012643B1 (pt) | 2017-12-21 | 2022-05-17 | Lg Electronics Inc | Método para codificação de imagem com base em transformada seletiva e dispositivo para o mesmo |
US11303884B2 (en) | 2018-06-21 | 2022-04-12 | Kt Corporation | Method and apparatus for processing video signal |
US20220038702A1 (en) * | 2018-09-20 | 2022-02-03 | Nokia Technologies Oy | A method and an apparatus for encoding and decoding of digital image/video material |
US11323748B2 (en) | 2018-12-19 | 2022-05-03 | Qualcomm Incorporated | Tree-based transform unit (TU) partition for video coding |
KR20210031296A (ko) | 2019-09-11 | 2021-03-19 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1665303A (zh) * | 2005-03-18 | 2005-09-07 | 清华大学 | 图像/视频编码中变换系数的熵编码方法 |
WO2006071125A1 (en) * | 2004-12-30 | 2006-07-06 | Tandberg Telecom As | Method for improved entropy coding |
Family Cites Families (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1000643A5 (fr) * | 1987-06-05 | 1989-02-28 | Belge Etat | Procede de codage de signaux d'image. |
JPH01155678A (ja) | 1987-12-11 | 1989-06-19 | Matsushita Electric Ind Co Ltd | 半導体発光装置 |
US5136371A (en) * | 1990-03-15 | 1992-08-04 | Thomson Consumer Electronics, Inc. | Digital image coding using random scanning |
EP0586225B1 (en) * | 1992-08-31 | 1998-12-23 | Victor Company Of Japan, Ltd. | Orthogonal transform coding apparatus and decoding apparatus |
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 |
TW297202B (zh) * | 1993-10-13 | 1997-02-01 | Rca Thomson Licensing Corp | |
KR0183688B1 (ko) * | 1994-01-12 | 1999-05-01 | 김광호 | 영상부호화방법 및 장치 |
KR0178198B1 (ko) | 1995-03-28 | 1999-05-01 | 배순훈 | 영상 신호 부호화 장치 |
US5721822A (en) * | 1995-07-21 | 1998-02-24 | Intel Corporation | Run-length encoding/decoding video signals using scan patterns explicitly encoded into bitstreams |
US5790706A (en) | 1996-07-03 | 1998-08-04 | Motorola, Inc. | Method and apparatus for scanning of transform coefficients |
JP2002232887A (ja) | 1996-11-07 | 2002-08-16 | Matsushita Electric Ind Co Ltd | 画像符号化方法および画像符号化装置並びに画像復号化方法および画像復号化装置 |
EP1689194A3 (en) * | 1996-11-07 | 2008-12-10 | Panasonic Corporation | Image encoder and image decoder |
JPH10271505A (ja) | 1997-03-25 | 1998-10-09 | Oki Electric Ind Co Ltd | 信号処理装置、符号化回路および復号回路 |
US5995055A (en) * | 1997-06-30 | 1999-11-30 | Raytheon Company | Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance |
DE69838630T2 (de) * | 1997-07-31 | 2008-08-28 | Victor Company of Japan, Ltd., Yokohama | Prädiktive Digitalvideosignalkodierung- und Dekodierungsmethode unter Verwendung von Blockinterpolation |
JP4226172B2 (ja) * | 1998-11-24 | 2009-02-18 | 株式会社ハイニックスセミコンダクター | 適応的変換方法を用いる映像圧縮符号化装置および復号化装置ならびにその方法 |
AU1115001A (en) * | 1999-10-22 | 2001-05-08 | Activesky, Inc. | An object oriented video system |
US6724818B1 (en) * | 2000-07-17 | 2004-04-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Alternative block orders for better prediction |
CN1142683C (zh) | 2000-10-13 | 2004-03-17 | 清华大学 | 无转置行列分离二维离散余弦正反变换电路及其方法 |
JP2002135126A (ja) * | 2000-10-26 | 2002-05-10 | Seiko Epson Corp | 半導体装置及びこれを用いた電子機器 |
CN101448162B (zh) * | 2001-12-17 | 2013-01-02 | 微软公司 | 处理视频图像的方法 |
KR100468844B1 (ko) | 2002-01-07 | 2005-01-29 | 삼성전자주식회사 | 정지영상 및 동영상을 부호화/복호화하기 위한변환계수들의 최적주사방법 |
BR0304545A (pt) * | 2002-01-14 | 2004-11-03 | Nokia Corp | Método de codificação das imagens em uma sequência de vìdeo digital para fornecer os dados de vìdeo codificados, codificador de vìdeo, método de decodificação dos dados indicativos de uma sequência de vìdeo digital, decodificador de vìdeo, e, sistema de decodificação de vìdeo |
CN1620816A (zh) | 2002-01-22 | 2005-05-25 | 诺基亚有限公司 | 图像/视频编码器和/或解码器中的编码变换系数 |
US6757576B2 (en) * | 2002-02-05 | 2004-06-29 | Gcc, Inc. | System and method for drawing and manufacturing bent pipes |
KR100508798B1 (ko) | 2002-04-09 | 2005-08-19 | 엘지전자 주식회사 | 쌍방향 예측 블록 예측 방법 |
US7170937B2 (en) * | 2002-05-01 | 2007-01-30 | Texas Instruments Incorporated | Complexity-scalable intra-frame prediction technique |
EP2290989B1 (en) | 2002-05-28 | 2015-01-28 | Sharp Kabushiki Kaisha | Method and systems for image intra-prediction mode estimation, communication, and organization |
RU2314656C2 (ru) | 2002-06-11 | 2008-01-10 | Нокиа Корпорейшн | Внутреннее кодирование, основанное на пространственном прогнозировании |
CN101039427B (zh) * | 2002-07-15 | 2010-06-16 | 株式会社日立制作所 | 动态图像的解码方法 |
US6795584B2 (en) | 2002-10-03 | 2004-09-21 | Nokia Corporation | Context-based adaptive variable length coding for adaptive block transforms |
US7463782B2 (en) * | 2002-11-05 | 2008-12-09 | Canon Kabushiki Kaisha | Data encoding with an amplitude model and path between the data and corresponding decoding |
FI116710B (fi) * | 2002-12-20 | 2006-01-31 | Oplayo Oy | Kuvien koodausmenetelmä ja -järjestely |
KR100750110B1 (ko) * | 2003-04-22 | 2007-08-17 | 삼성전자주식회사 | 4×4인트라 휘도 예측 모드 결정방법 및 장치 |
JP3756897B2 (ja) | 2003-07-30 | 2006-03-15 | 株式会社東芝 | 動画像符号化装置及び動画像符号化方法 |
US7289562B2 (en) * | 2003-08-01 | 2007-10-30 | Polycom, Inc. | Adaptive filter to improve H-264 video quality |
US20050036549A1 (en) * | 2003-08-12 | 2005-02-17 | Yong He | Method and apparatus for selection of scanning mode in dual pass encoding |
US7688894B2 (en) * | 2003-09-07 | 2010-03-30 | Microsoft Corporation | Scan patterns for interlaced video content |
JP4127818B2 (ja) * | 2003-12-24 | 2008-07-30 | 株式会社東芝 | 動画像符号化方法及びその装置 |
EP1558039A1 (en) * | 2004-01-21 | 2005-07-27 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for generating/evaluating prediction information in picture signal encoding/decoding |
JP4542447B2 (ja) * | 2005-02-18 | 2010-09-15 | 株式会社日立製作所 | 画像の符号化/復号化装置、符号化/復号化プログラム及び符号化/復号化方法 |
US8731054B2 (en) * | 2004-05-04 | 2014-05-20 | Qualcomm Incorporated | Method and apparatus for weighted prediction in predictive frames |
US8369402B2 (en) * | 2004-06-17 | 2013-02-05 | Canon Kabushiki Kaisha | Apparatus and method for prediction modes selection based on image formation |
US8311119B2 (en) | 2004-12-31 | 2012-11-13 | Microsoft Corporation | Adaptive coefficient scan order |
US7706443B2 (en) * | 2005-03-11 | 2010-04-27 | General Instrument Corporation | Method, article of manufacture, and apparatus for high quality, fast intra coding usable for creating digital video content |
US20070014348A1 (en) * | 2005-04-12 | 2007-01-18 | Nokia Corporation | Method and system for motion compensated fine granularity scalable video coding with drift control |
EP1768415A1 (en) | 2005-09-27 | 2007-03-28 | Matsushita Electric Industrial Co., Ltd. | Adaptive scan order of DCT coefficients and its signaling |
CN101815224A (zh) | 2005-07-22 | 2010-08-25 | 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 |
US7933337B2 (en) * | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
JP2007053561A (ja) | 2005-08-17 | 2007-03-01 | Matsushita Electric Ind Co Ltd | 画像符号化装置および画像符号化方法 |
WO2007046644A1 (en) | 2005-10-21 | 2007-04-26 | Electronics And Telecommunications Research Institute | Apparatus and method for encoding and decoding moving picture using adaptive scanning |
US8200033B2 (en) | 2005-11-30 | 2012-06-12 | Koninklijke Philips Electronics N.V. | Encoding method and apparatus applying coefficient reordering |
US7529484B2 (en) * | 2005-12-14 | 2009-05-05 | Nec Laboratories America, Inc. | Triplexer transceiver using parallel signal detection |
CN1801940A (zh) | 2005-12-15 | 2006-07-12 | 清华大学 | 整型变换电路和整型变换方法 |
US8000539B2 (en) * | 2005-12-21 | 2011-08-16 | Ntt Docomo, Inc. | Geometrical image representation and compression |
US20080008246A1 (en) * | 2006-07-05 | 2008-01-10 | Debargha Mukherjee | Optimizing video coding |
US8428133B2 (en) * | 2007-06-15 | 2013-04-23 | Qualcomm Incorporated | Adaptive coding of video block prediction mode |
EP2422520A1 (en) * | 2009-04-20 | 2012-02-29 | Dolby Laboratories Licensing Corporation | Adaptive interpolation filters for multi-layered video delivery |
US9641846B2 (en) * | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
-
2008
- 2008-06-04 US US12/133,232 patent/US8571104B2/en active Active
- 2008-06-12 BR BRPI0813275-5A2A patent/BRPI0813275A2/pt not_active IP Right Cessation
- 2008-06-12 CN CN2008800202330A patent/CN101682771B/zh active Active
- 2008-06-12 EP EP08770909A patent/EP2165542B1/en active Active
- 2008-06-12 CA CA002687253A patent/CA2687253A1/en not_active Abandoned
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- 2008-06-12 JP JP2010512366A patent/JP5032657B2/ja active Active
- 2008-06-13 TW TW097122351A patent/TW200915885A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006071125A1 (en) * | 2004-12-30 | 2006-07-06 | Tandberg Telecom As | Method for improved entropy coding |
CN1665303A (zh) * | 2005-03-18 | 2005-09-07 | 清华大学 | 图像/视频编码中变换系数的熵编码方法 |
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US8571104B2 (en) | 2013-10-29 |
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