KR20040054606A - 코딩 왜곡 제거 방법, 비디오 인코딩 방법, 비디오 디코딩방법, 및 그것을 실현하는 장치 및 프로그램 - Google Patents
코딩 왜곡 제거 방법, 비디오 인코딩 방법, 비디오 디코딩방법, 및 그것을 실현하는 장치 및 프로그램 Download PDFInfo
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Abstract
Description
Claims (14)
- 화상으로부터 코딩 왜곡을 제거하는 코딩 왜곡 제거 방법에 있어서,움직임 보상 블록 크기가 코딩 블록 크기보다도 클 경우, 블록 경계가 움직임 보상 블록 경계인지 아닌지에 따라서, 상기 블록 경계에서 서로 다른 방법을 사용하여 코딩 왜곡을 제거하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 제1항에 있어서,코딩된 움직임 보상 오차가 0일 경우, 움직임 보상 블록 경계에서만 코딩 왜곡을 제거하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 화상으로부터 코딩 왜곡을 제거하는 코딩 왜곡 제거 방법에 있어서,코딩 왜곡을 포함하는 화상으로부터 화상 파라미터를 추출하는 단계와,상기 화상 파라미터를 이용하여 코딩 왜곡 제거를 위한 화소를 정하는 제1 단계와,상기 화상 파라미터를 이용하여 코딩 왜곡 제거를 위한 방법을 정하는 제2 단계와,상기 제2 단계에서 정해진 코딩 왜곡 제거 방법을 이용하여, 상기 제1 단계에서 정해진 화소로부터 코딩 왜곡을 제거하는 제3 단계를 포함하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 화상으로부터 코딩 왜곡을 제거하는 코딩 왜곡 제거 방법에 있어서,블록 단위로 코딩 왜곡을 제거할 것인가 아닌가를 판단하고, 상기 판단에 의해 제거해야 할 블록에서의 각 화소마다 코딩 왜곡을 제거해야 할 것인지 아닌지를 판단하여, 코딩 왜곡 제거 처리를 실행하는 화소를 결정하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 동화상을 형성하는 복수의 블록을 가지는 화상에서, 인접하는 제1 블록과 제2 블록의 경계선의 양측에 있는 영역에서 코딩 왜곡을 제거하는 코딩 왜곡 제거 방법에 있어서,상기 제1 블록의 화소값과 상기 제2 블록의 화소값의 차분값과, 상기 제1 블록에서의 양자화 파라미터와 상기 제2 블록에서의 양자화 파라미터와의 평균값에 대응하는 코딩 왜곡을 제거하는 방법을 결정하는 파라미터를 비교하는 비교 단계와,상기 비교 단계에서의 비교 결과에 근거하여 코딩 왜곡을 제거하는 제거 단계를 포함하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 동화상을 형성하는 복수의 블록을 가지는 화상에서, 인접하는 제1 블록과 제2 블록의 경계선의 양측에 있는 영역에서 코딩 왜곡을 제거하는 코딩 왜곡 제거 방법에 있어서,코딩 왜곡을 제거할 때에 문턱값을 결정하기 위한 파라미터를 디코딩하는 디코딩 단계와,상기 제1 블록의 화소에서의 화소값과 상기 제2 블록의 화소에서의 화소값의 차분값과, 상기 디코딩된 파라미터에 근거한 소정의 문턱값을 비교하는 비교 단계와,상기 비교 단계에서의 비교 결과에 근거하여 코딩 왜곡을 제거하는 방법을 전환하는 제거 단계를 포함하는 것을 특징으로 하는 코딩 왜곡 제거 방법.
- 제6항에 있어서,상기 동화상은 복수의 블록으로 구성되는 슬라이스를 포함하고,상기 파라미터는 상기 동화상에 대한 화상 데이터를 코딩해서 얻을 수 있는 코드 스트림에서의 슬라이스 헤더 정보에 저장되는 것을 특징으로 하는 코딩 왜곡 제어 방법.
- 복수의 참조 화상으로부터 적어도 하나를 참조하여 화상 코딩하는 동화상 코딩 장치에 있어서,복수의 방법을 사용하여 코딩 왜곡을 제거해서 얻어진 복수의 코딩된 화상이 참조 화상인 것을 특징으로 하는 동화상 코딩 장치.
- 제8항에 있어서,상기 복수의 방법 중에서 제1 방법은 상기 코딩된 화상에 대하여 코딩 왜곡을 제거하지 않는 방법이고,제2 방법은 상기 코딩된 화상에 대하여 코딩 왜곡을 제거하는 방법인 것을 특징으로 하는 동화상 코딩 장치.
- 복수의 참조 화상으로부터 적어도 하나를 참조하여 디코딩하는 동화상 디코딩 장치에 있어서,복수의 방법을 사용하여 코딩 왜곡을 제거해서 얻어진 복수의 디코딩된 화상이 참조 화상인 것을 특징으로 하는 동화상 디코딩 장치.
- 제10항에 있어서,상기 복수의 방법 중에서 제1 방법은 상기 디코딩된 화상에 대하여 코딩 왜곡을 제거하지 않는 방법이며,제2 방법은 상기 디코딩된 화상에 대하여 코딩 왜곡을 제거하는 방법인 것을 특징으로 하는 동화상 디코딩 장치.
- 화상 코딩 장치에 있어서,코딩된 차분 화상을 디코딩하고, 차분 화상을 출력하는 디코딩부와,참조 화상으로부터 움직임 보상 화상을 출력하는 움직임 보상부와,상기 차분 화상과 상기 움직임 보상 화상을 가산하여 합성 화상을 출력하는가산부와,상기 합성 화상이 가지는 코딩 왜곡을 제거하여 재생 화상을 출력하는 코딩 왜곡 제거부와,상기 재생 화상을 상기 참조 화상으로서 저장하는 메모리를 포함하며,상기 코딩 왜곡 제거부는 상기 제1항 내지 제7항 중 어느 하나의 코딩 왜곡 제거 방법에 의해 코딩 왜곡을 제거하는 것을 특징으로 하는 화상 코딩 장치.
- 화상으로부터 코딩 왜곡을 제거하는 프로그램에 있어서,상기 코딩 왜곡은 상기 제1항 내지 제7항 중의 어느 하나의 코딩 왜곡 제거 방법에 의해 코딩 왜곡을 제거하는 것을 특징으로 하는 프로그램.
- 화상을 코딩하는 프로그램에 있어서,코딩된 차분 화상을 디코딩하고, 차분 화상을 출력하는 디코딩부와,참조 화상으로부터 움직임 보상 화상을 출력하는 움직임 보상부와,상기 차분 화상과 상기 움직임 보상 화상을 가산하여 합성 화상을 출력하는 가산부와,상기 합성 화상이 가지는 코딩 왜곡을 제거하여 재생 화상을 출력하는 코딩 왜곡 제거부와,상기 재생 화상을 상기 참조 화상으로서 저장하는 메모리를 사용하며,상기 제1항 내지 제7항 중의 어느 하나의 코딩 왜곡 제거 방법을 사용하여,상기 코딩 왜곡 제거부에 의한 코딩 왜곡 제거가 컴퓨터에서 실행되는 것을 특징으로 하는 프로그램.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100686141B1 (ko) * | 2005-01-21 | 2007-02-23 | 엘지전자 주식회사 | 이동형 방송 수신기의 디블로킹 필터 및 필터링 방법 |
KR100989296B1 (ko) * | 2006-03-01 | 2010-10-22 | 퀄컴 인코포레이티드 | 아티팩트 평가를 통한 향상된 이미지/비디오 품질 |
KR101106856B1 (ko) * | 2008-07-09 | 2012-01-19 | 인텔 코포레이션 | 비디오 인코딩 방법 및 비디오 인코딩 시스템 |
Families Citing this family (119)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100525785B1 (ko) * | 2001-06-15 | 2005-11-03 | 엘지전자 주식회사 | 이미지 화소 필터링 방법 |
US7095787B2 (en) | 2001-11-29 | 2006-08-22 | Matsushita Electric Industrial Co., Ltd. | Coding distortion removal method, moving picture coding method, moving picture decoding method, and apparatus for realizing the same, program |
KR100929078B1 (ko) | 2001-11-29 | 2009-11-30 | 파나소닉 주식회사 | 코딩 왜곡 제거 방법 |
CN101448162B (zh) * | 2001-12-17 | 2013-01-02 | 微软公司 | 处理视频图像的方法 |
US8284844B2 (en) | 2002-04-01 | 2012-10-09 | Broadcom Corporation | Video decoding system supporting multiple standards |
AU2003275672C1 (en) * | 2002-11-25 | 2009-04-30 | Godo Kaisha Ip Bridge 1 | Moving Picture Coding Method and Moving Picture Decoding Method |
WO2004095201A2 (en) * | 2003-04-09 | 2004-11-04 | Intervideo Inc. | Systems and methods for caching multimedia data |
CA2526467C (en) * | 2003-05-20 | 2015-03-03 | Kagutech Ltd. | Digital backplane recursive feedback control |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
CA2534695C (en) * | 2003-08-19 | 2011-10-25 | Matsushita Electric Industrial Co., Ltd. | Method for encoding moving image and method for decoding moving image |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US8472792B2 (en) | 2003-12-08 | 2013-06-25 | Divx, Llc | Multimedia distribution system |
US7519274B2 (en) | 2003-12-08 | 2009-04-14 | Divx, Inc. | File format for multiple track digital data |
JP2006101228A (ja) * | 2004-09-29 | 2006-04-13 | Toshiba Corp | 映像処理装置 |
EP1646243B1 (en) * | 2004-09-30 | 2009-06-24 | Kabushiki Kaisha Toshiba | Information processing apparatus and program for use in the same |
US7620261B2 (en) * | 2004-11-23 | 2009-11-17 | Stmicroelectronics Asia Pacific Pte. Ltd. | Edge adaptive filtering system for reducing artifacts and method |
US20060133507A1 (en) * | 2004-12-06 | 2006-06-22 | Matsushita Electric Industrial Co., Ltd. | Picture information decoding method and picture information encoding method |
JP4784188B2 (ja) * | 2005-07-25 | 2011-10-05 | ソニー株式会社 | 画像処理装置、画像処理方法およびプログラム |
US8625914B2 (en) | 2013-02-04 | 2014-01-07 | Sony Corporation | Image processing system, image processing method and program |
KR100710338B1 (ko) * | 2005-08-29 | 2007-04-23 | 엘지전자 주식회사 | 멀티 포맷 비디오 디코더 및 디블로킹 필터링 방법 |
WO2007077841A1 (ja) * | 2005-12-27 | 2007-07-12 | Matsushita Electric Industrial Co., Ltd. | 音声復号装置および音声復号方法 |
JP5058152B2 (ja) | 2006-03-10 | 2012-10-24 | パナソニック株式会社 | 符号化装置および符号化方法 |
US7515710B2 (en) | 2006-03-14 | 2009-04-07 | Divx, Inc. | Federated digital rights management scheme including trusted systems |
WO2007111292A1 (ja) | 2006-03-27 | 2007-10-04 | Matsushita Electric Industrial Co., Ltd. | 画像符号化装置および画像復号化装置 |
US20070291839A1 (en) * | 2006-06-15 | 2007-12-20 | Faraday Technology Corp. | Method and device for multimedia processing |
US7865030B2 (en) * | 2006-09-13 | 2011-01-04 | Broadcom Corporation | Method and system for motion compensated temporal filtering using both FIR and IIR filtering |
US20080063064A1 (en) * | 2006-09-13 | 2008-03-13 | Macinnis Alexander | Method and System for Motion Compensated Temporal Filtering Using IIR Filtering |
JP2008160724A (ja) * | 2006-12-26 | 2008-07-10 | Toshiba Corp | 映像信号処理装置及び映像信号処理方法並びに放送受信装置 |
ES2935410T3 (es) | 2007-01-05 | 2023-03-06 | Divx Llc | Sistema de distribución de vídeo que incluye reproducción progresiva |
KR101365443B1 (ko) | 2007-01-11 | 2014-03-03 | 삼성전자주식회사 | 디블록킹 필터링 방법 및 장치 |
WO2008084996A1 (en) * | 2007-01-11 | 2008-07-17 | Samsung Electronics Co, . Ltd. | Method and apparatus for deblocking-filtering video data |
JP2008293378A (ja) * | 2007-05-25 | 2008-12-04 | Panasonic Corp | プログラム書き換え装置 |
CN100578179C (zh) * | 2007-08-21 | 2010-01-06 | 友达光电(苏州)有限公司 | 测量发光画面亮度均匀性的方法 |
JPWO2009037817A1 (ja) * | 2007-09-19 | 2011-01-06 | パナソニック株式会社 | 輪郭補正装置、輪郭補正方法、映像表示装置 |
US20090080517A1 (en) * | 2007-09-21 | 2009-03-26 | Yu-Ling Ko | Method and Related Device for Reducing Blocking Artifacts in Video Streams |
EP2197214A4 (en) * | 2007-10-03 | 2010-12-29 | Panasonic Corp | METHOD AND DEVICE FOR REDUCING BLOCK DEFORMATION |
KR101512833B1 (ko) | 2007-10-16 | 2015-04-16 | 톰슨 라이센싱 | 비트 깊이 확장성을 위한 아티팩트 제거를 위한 방법 및 장치 |
EP2223232A4 (en) | 2007-11-16 | 2015-02-25 | Sonic Ip Inc | Hierarchical and reduced index structures for multimedia files |
US8515052B2 (en) | 2007-12-17 | 2013-08-20 | Wai Wu | Parallel signal processing system and method |
US8743972B2 (en) * | 2007-12-20 | 2014-06-03 | Vixs Systems, Inc. | Coding adaptive deblocking filter and method for use therewith |
JP2009232333A (ja) * | 2008-03-25 | 2009-10-08 | Fujitsu Ltd | 画像暗号化装置および画像復号化装置 |
JP5137687B2 (ja) * | 2008-05-23 | 2013-02-06 | キヤノン株式会社 | 復号装置及び復号方法、プログラム |
KR101489785B1 (ko) * | 2008-07-22 | 2015-02-06 | 에스케이 텔레콤주식회사 | 웨이블렛 변환 계수 부호화를 위한 적응적 필터 탭 결정장치와 방법, 그것을 이용한 웨이블렛 변환 장치와 방법,및 그를 위한 기록 매체 |
GB2474799B (en) * | 2008-08-21 | 2012-11-14 | Hewlett Packard Development Co | Computer with integrated light |
US8548041B2 (en) * | 2008-09-25 | 2013-10-01 | Mediatek Inc. | Adaptive filter |
TWI463878B (zh) * | 2009-02-19 | 2014-12-01 | Sony Corp | Image processing apparatus and method |
JP5597968B2 (ja) | 2009-07-01 | 2014-10-01 | 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 |
WO2011003326A1 (en) * | 2009-07-06 | 2011-01-13 | Mediatek Singapore Pte. Ltd. | Single pass adaptive interpolation filter |
JP5604825B2 (ja) | 2009-08-19 | 2014-10-15 | ソニー株式会社 | 画像処理装置および方法 |
BR112012008636A2 (pt) * | 2009-10-15 | 2016-04-19 | Thomson Licensing | métodos e aparelho para filtragem adaptativa eficiente para codificadores e decodificadores de vídeo |
CN104661026B (zh) | 2009-10-21 | 2018-03-27 | Sk电信有限公司 | 图像编码和解码装置和方法 |
KR101733612B1 (ko) | 2009-10-22 | 2017-05-08 | 톰슨 라이센싱 | 비디오 엔코딩 및 디코딩을 위한 dc 인트라 예측 모드의 방법 및 장치 |
JP4703759B2 (ja) * | 2009-11-27 | 2011-06-15 | 株式会社東芝 | 画像処理装置および同装置における画像処理方法 |
US8781122B2 (en) | 2009-12-04 | 2014-07-15 | Sonic Ip, Inc. | Elementary bitstream cryptographic material transport systems and methods |
US20120251012A1 (en) | 2009-12-18 | 2012-10-04 | Tomohiro Ikai | Image filter, encoding device, decoding device, and data structure |
JP5659160B2 (ja) | 2010-03-09 | 2015-01-28 | パナソニックIpマネジメント株式会社 | 動画像復号装置、動画像符号化装置、動画像復号回路及び動画像復号方法 |
WO2011156458A1 (en) | 2010-06-10 | 2011-12-15 | Technicolor Usa, Inc. | Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters |
JP2012044535A (ja) * | 2010-08-20 | 2012-03-01 | Toshiba Corp | 動画像符号化装置及び動画像符号化方法 |
KR20120032456A (ko) | 2010-09-28 | 2012-04-05 | 삼성전자주식회사 | 적응적 필터링 방법 및 장치 |
US8976856B2 (en) * | 2010-09-30 | 2015-03-10 | Apple Inc. | Optimized deblocking filters |
US8787443B2 (en) | 2010-10-05 | 2014-07-22 | Microsoft Corporation | Content adaptive deblocking during video encoding and decoding |
US20120106622A1 (en) * | 2010-11-03 | 2012-05-03 | Mediatek Inc. | Method and Apparatus of Slice Grouping for High Efficiency Video Coding |
WO2012090413A1 (ja) * | 2010-12-27 | 2012-07-05 | 日本電気株式会社 | 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法及びプログラム |
US9060174B2 (en) | 2010-12-28 | 2015-06-16 | Fish Dive, Inc. | Method and system for selectively breaking prediction in video coding |
US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol |
US20120183234A1 (en) * | 2011-01-14 | 2012-07-19 | Sony Corporation | Methods for parallelizing fixed-length bitstream codecs |
ES2718654T3 (es) | 2011-02-22 | 2019-07-03 | Sun Patent Trust | Procedimiento de codificación de imagen, procedimiento de descodificación de imagen, dispositivo de codificación de imagen, dispositivo de descodificación de imagen y dispositivo de codificación / descodificación de imagen |
KR101954461B1 (ko) | 2011-02-22 | 2019-03-05 | 타지반 투 엘엘씨 | 필터 방법, 동화상 부호화 장치, 동화상 복호 장치 및 동화상 부호화 복호 장치 |
WO2012127578A1 (ja) * | 2011-03-18 | 2012-09-27 | 富士通株式会社 | 画像処理装置、画像処理方法及び画像処理用コンピュータプログラム |
US9042458B2 (en) | 2011-04-01 | 2015-05-26 | Microsoft Technology Licensing, Llc | Multi-threaded implementations of deblock filtering |
WO2012134046A2 (ko) * | 2011-04-01 | 2012-10-04 | 주식회사 아이벡스피티홀딩스 | 동영상의 부호화 방법 |
WO2012175196A1 (en) * | 2011-06-20 | 2012-12-27 | Panasonic Corporation | Deblocking control by individual quantization parameters |
US8812662B2 (en) | 2011-06-29 | 2014-08-19 | Sonic Ip, Inc. | Systems and methods for estimating available bandwidth and performing initial stream selection when streaming content |
CN107197262B (zh) | 2011-07-19 | 2018-10-23 | 太格文-Ii有限责任公司 | 解码方法以及解码装置 |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
KR102074148B1 (ko) | 2011-08-30 | 2020-03-17 | 엔엘디 엘엘씨 | 복수의 최대 비트레이트 레벨들을 사용하여 인코딩된 비디오를 인코딩하고 스트리밍하기 위한 시스템들 및 방법들 |
US8806188B2 (en) | 2011-08-31 | 2014-08-12 | Sonic Ip, Inc. | Systems and methods for performing adaptive bitrate streaming using automatically generated top level index files |
US8799647B2 (en) | 2011-08-31 | 2014-08-05 | Sonic Ip, Inc. | Systems and methods for application identification |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
US8964977B2 (en) | 2011-09-01 | 2015-02-24 | Sonic Ip, Inc. | Systems and methods for saving encoded media streamed using adaptive bitrate streaming |
PL2754295T3 (pl) | 2011-09-09 | 2018-07-31 | Sun Patent Trust | Wykorzystanie decyzji o niskim stopniu złożoności do filtrowania deblokującego |
US9584819B2 (en) * | 2011-10-24 | 2017-02-28 | Qualcomm Incorporated | Grouping of tiles for video coding |
US9161046B2 (en) * | 2011-10-25 | 2015-10-13 | Qualcomm Incorporated | Determining quantization parameters for deblocking filtering for video coding |
KR20130049522A (ko) | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 방법 |
KR20130050405A (ko) | 2011-11-07 | 2013-05-16 | 오수미 | 인터 모드에서의 시간 후보자 결정방법 |
MY164978A (en) | 2011-11-25 | 2018-02-28 | Sun Patent Trust | Image processing method and image processing apparatus |
US20130179199A1 (en) | 2012-01-06 | 2013-07-11 | Rovi Corp. | Systems and methods for granting access to digital content using electronic tickets and ticket tokens |
AR092786A1 (es) * | 2012-01-09 | 2015-05-06 | Jang Min | Metodos para eliminar artefactos de bloque |
CN110225354A (zh) * | 2012-01-17 | 2019-09-10 | 华为技术有限公司 | 用于高性能视频编码中的无损编码模式的环内滤波的装置 |
KR102132917B1 (ko) | 2012-05-25 | 2020-07-10 | 선 페이턴트 트러스트 | 동화상 부호화 방법, 동화상 복호 방법, 동화상 부호화 장치, 동화상 복호 장치, 및 동화상 부호화 복호 장치 |
CA3217710A1 (en) | 2012-05-25 | 2013-11-28 | Sun Patent Trust | Image encoding and decoding using context adaptive binary arithmetic coding with a bypass mode |
WO2013175736A1 (ja) | 2012-05-25 | 2013-11-28 | パナソニック株式会社 | 動画像符号化方法、動画像符号化装置、動画像復号方法、動画像復号装置、および、動画像符号化復号装置 |
WO2013183232A1 (ja) | 2012-06-04 | 2013-12-12 | パナソニック株式会社 | 動画像符号化方法、動画像符号化装置、動画像復号方法、および、動画像復号装置 |
US9936267B2 (en) | 2012-08-31 | 2018-04-03 | Divx Cf Holdings Llc | System and method for decreasing an initial buffering period of an adaptive streaming system |
US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
US8855214B2 (en) * | 2013-02-04 | 2014-10-07 | Faroudja Enterprises, Inc. | Multidimensional video processing |
US9906785B2 (en) | 2013-03-15 | 2018-02-27 | Sonic Ip, Inc. | Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata |
US10397292B2 (en) | 2013-03-15 | 2019-08-27 | Divx, Llc | Systems, methods, and media for delivery of content |
US9094737B2 (en) | 2013-05-30 | 2015-07-28 | Sonic Ip, Inc. | Network video streaming with trick play based on separate trick play files |
US9380099B2 (en) | 2013-05-31 | 2016-06-28 | Sonic Ip, Inc. | Synchronizing multiple over the top streaming clients |
US9100687B2 (en) | 2013-05-31 | 2015-08-04 | Sonic Ip, Inc. | Playback synchronization across playback devices |
KR102304687B1 (ko) * | 2013-07-22 | 2021-09-27 | 소니그룹주식회사 | 정보 처리 장치 및 방법 |
US9589206B2 (en) * | 2013-12-05 | 2017-03-07 | Hochschule Pforzheim | Optimizing an image filter |
US9386067B2 (en) | 2013-12-30 | 2016-07-05 | Sonic Ip, Inc. | Systems and methods for playing adaptive bitrate streaming content by multicast |
US9866878B2 (en) | 2014-04-05 | 2018-01-09 | Sonic Ip, Inc. | Systems and methods for encoding and playing back video at different frame rates using enhancement layers |
JP6410495B2 (ja) * | 2014-07-07 | 2018-10-24 | ルネサスエレクトロニクス株式会社 | 画像符号化装置、画像復号装置、および画像通信システム |
EP3134995B1 (en) | 2014-08-07 | 2021-12-22 | DivX, LLC | Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles |
CN113259731B (zh) | 2015-01-06 | 2023-07-04 | 帝威视有限公司 | 用于编码内容和在设备之间共享内容的***和方法 |
CN107251008B (zh) | 2015-02-27 | 2020-11-13 | 帝威视有限公司 | 在实况视频编码和流传输中进行帧复制和帧扩展的***和方法 |
US10499056B2 (en) * | 2016-03-09 | 2019-12-03 | Sony Corporation | System and method for video processing based on quantization parameter |
US10075292B2 (en) | 2016-03-30 | 2018-09-11 | Divx, Llc | Systems and methods for quick start-up of playback |
US10129574B2 (en) | 2016-05-24 | 2018-11-13 | Divx, Llc | Systems and methods for providing variable speeds in a trick-play mode |
US10231001B2 (en) | 2016-05-24 | 2019-03-12 | Divx, Llc | Systems and methods for providing audio content during trick-play playback |
US10148989B2 (en) | 2016-06-15 | 2018-12-04 | Divx, Llc | Systems and methods for encoding video content |
US10498795B2 (en) | 2017-02-17 | 2019-12-03 | Divx, Llc | Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming |
EP3777192A1 (en) * | 2018-03-29 | 2021-02-17 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Refined block-based predictive coding and decoding of a picture |
BR112021018802A2 (pt) | 2019-03-21 | 2021-11-23 | Divx Llc | Sistemas e métodos para enxames de multimídia |
US11616589B2 (en) | 2020-06-25 | 2023-03-28 | Sony Interactive Entertainment LLC | Methods and systems for performing and recording live music near live with no latency |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US239360A (en) * | 1881-03-29 | Automatic gate | ||
US479211A (en) * | 1892-07-19 | Pile-wire | ||
US36320A (en) * | 1862-08-26 | Improvement in cylinders for polishing gunpowder | ||
US95787A (en) * | 1869-10-12 | Improved railway-track clearer | ||
US654759A (en) * | 1899-09-22 | 1900-07-31 | John B O'donnell | Duplex steam-engine. |
US796875A (en) * | 1905-02-11 | 1905-08-08 | Arthur E Smith | Match-box. |
US946421A (en) * | 1909-03-12 | 1910-01-11 | Lafayette T Bow | Cotton-sampler's cabinet. |
US4876260A (en) | 1987-10-28 | 1989-10-24 | State Of Israel, Israel Institute Of Biological Research | Oxathiolanes |
JPH04180381A (ja) | 1990-11-14 | 1992-06-26 | Matsushita Electric Ind Co Ltd | 画像信号の復号化装置 |
US5436665A (en) * | 1992-03-03 | 1995-07-25 | Kabushiki Kaisha Toshiba | Motion picture coding apparatus |
EP0631444B1 (en) * | 1992-03-03 | 1998-12-23 | Kabushiki Kaisha Toshiba | Time-varying image encoder |
US5479211A (en) | 1992-04-30 | 1995-12-26 | Olympus Optical Co., Ltd. | Image-signal decoding apparatus |
JP3365784B2 (ja) | 1992-04-30 | 2003-01-14 | オリンパス光学工業株式会社 | 画像信号復号化装置 |
JP3165296B2 (ja) * | 1992-12-25 | 2001-05-14 | 三菱電機株式会社 | フレーム間符号化処理方式及びフレーム間符号化処理方法及び符号化制御方式 |
JP2673778B2 (ja) | 1994-02-22 | 1997-11-05 | 国際電信電話株式会社 | 動画像の復号化における雑音低減装置 |
JP2940422B2 (ja) | 1994-11-24 | 1999-08-25 | 日本ビクター株式会社 | 変換符号化された画像データの復号化時に生じるブロック歪の低減方法及び変換符号化された画像データの復号化装置 |
JP2900810B2 (ja) * | 1994-12-20 | 1999-06-02 | 日本ビクター株式会社 | 変換符号化された画像データの復号化時に生じる量子化ノイズの低減方法及び変換符号化された画像データの復号化装置 |
TW293227B (ko) | 1994-11-24 | 1996-12-11 | Victor Company Of Japan | |
US5654759A (en) * | 1995-02-15 | 1997-08-05 | Hitachi America Ltd. | Methods and apparatus for reducing blockiness in decoded video |
SE9501189D0 (sv) * | 1995-03-31 | 1995-03-31 | Pharmacia Ab | Protein formulation |
WO1997013338A1 (en) * | 1995-10-04 | 1997-04-10 | Philips Electronics N.V. | Receiver and method for providing data in an improved format |
US5796875A (en) | 1996-08-13 | 1998-08-18 | Sony Electronics, Inc. | Selective de-blocking filter for DCT compressed images |
KR100229796B1 (ko) * | 1996-08-30 | 1999-11-15 | 전주범 | 열화영상에 대한 보상기능을 갖는 영상 복호화 시스템 |
JP3466032B2 (ja) * | 1996-10-24 | 2003-11-10 | 富士通株式会社 | 動画像符号化装置および復号化装置 |
JP3961600B2 (ja) | 1996-12-27 | 2007-08-22 | ソニー株式会社 | ブロック歪低減方法及び装置 |
US6188799B1 (en) * | 1997-02-07 | 2001-02-13 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for removing noise in still and moving pictures |
JPH10224790A (ja) | 1997-02-07 | 1998-08-21 | Matsushita Electric Ind Co Ltd | 圧縮伸張された画像中のブロック状ノイズを除去するフィルタおよびフィルタ方法 |
FI106071B (fi) | 1997-03-13 | 2000-11-15 | Nokia Mobile Phones Ltd | Mukautuva suodatin |
JPH10336668A (ja) * | 1997-06-02 | 1998-12-18 | Sharp Corp | 動きベクトル検出装置 |
KR100269125B1 (ko) | 1997-10-25 | 2000-10-16 | 윤덕용 | 양자화효과감소를위한영상데이터후처리방법및장치 |
JPH11205792A (ja) | 1998-01-14 | 1999-07-30 | Sony Corp | ブロック歪低減方法及び装置 |
AU717480B2 (en) * | 1998-08-01 | 2000-03-30 | Korea Advanced Institute Of Science And Technology | Loop-filtering method for image data and apparatus therefor |
KR100331331B1 (ko) * | 1998-11-02 | 2002-05-09 | 윤덕용 | 영상데이터 루프필터링 방법 |
US6236764B1 (en) | 1998-11-30 | 2001-05-22 | Equator Technologies, Inc. | Image processing circuit and method for reducing a difference between pixel values across an image boundary |
EP1072157A1 (en) * | 1999-02-16 | 2001-01-31 | Koninklijke Philips Electronics N.V. | Video decoding device and method using a filtering step for block effect reduction |
JP2001275110A (ja) * | 2000-03-24 | 2001-10-05 | Matsushita Electric Ind Co Ltd | 動的なループ及びポストフィルタリングのための方法及び装置 |
US7203234B1 (en) | 2000-03-31 | 2007-04-10 | Sharp Laboratories Of America, Inc. | Method of directional filtering for post-processing compressed video |
WO2002075644A1 (fr) | 2001-03-16 | 2002-09-26 | Tani Electronics Corporation | Etiquette d'identification et article identifie |
KR100929078B1 (ko) * | 2001-11-29 | 2009-11-30 | 파나소닉 주식회사 | 코딩 왜곡 제거 방법 |
US7095787B2 (en) | 2001-11-29 | 2006-08-22 | Matsushita Electric Industrial Co., Ltd. | Coding distortion removal method, moving picture coding method, moving picture decoding method, and apparatus for realizing the same, program |
-
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- 2002-11-29 US US10/466,549 patent/US20040062310A1/en not_active Abandoned
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- 2006-12-21 US US11/614,126 patent/US7782962B2/en not_active Expired - Lifetime
- 2006-12-21 US US11/614,134 patent/US7792195B2/en not_active Expired - Lifetime
- 2006-12-21 US US11/614,145 patent/US20070098066A1/en not_active Abandoned
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- 2007-10-30 US US11/928,429 patent/US8345770B2/en active Active
- 2007-10-30 US US11/928,468 patent/US7899123B2/en not_active Expired - Lifetime
- 2007-10-30 US US11/929,440 patent/US8369421B2/en active Active
- 2007-10-30 US US11/928,491 patent/US7742531B2/en not_active Expired - Lifetime
- 2007-10-30 US US11/928,517 patent/US8254468B2/en active Active
-
2011
- 2011-01-11 US US13/004,088 patent/US8488683B2/en not_active Expired - Lifetime
-
2013
- 2013-03-11 US US13/793,121 patent/US9118899B2/en not_active Expired - Lifetime
-
2015
- 2015-03-19 US US14/662,737 patent/US10958940B2/en not_active Expired - Lifetime
- 2015-03-19 US US14/662,715 patent/US10992962B2/en not_active Expired - Lifetime
- 2015-03-19 US US14/662,690 patent/US20150201194A1/en not_active Abandoned
-
2017
- 2017-01-20 US US15/411,184 patent/US9888258B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100686141B1 (ko) * | 2005-01-21 | 2007-02-23 | 엘지전자 주식회사 | 이동형 방송 수신기의 디블로킹 필터 및 필터링 방법 |
KR100989296B1 (ko) * | 2006-03-01 | 2010-10-22 | 퀄컴 인코포레이티드 | 아티팩트 평가를 통한 향상된 이미지/비디오 품질 |
US8391622B2 (en) | 2006-03-01 | 2013-03-05 | Qualcomm Incorporated | Enhanced image/video quality through artifact evaluation |
KR101106856B1 (ko) * | 2008-07-09 | 2012-01-19 | 인텔 코포레이션 | 비디오 인코딩 방법 및 비디오 인코딩 시스템 |
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