US20040062310A1 - Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same - Google Patents

Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same Download PDF

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Publication number
US20040062310A1
US20040062310A1 US10/466,549 US46654903A US2004062310A1 US 20040062310 A1 US20040062310 A1 US 20040062310A1 US 46654903 A US46654903 A US 46654903A US 2004062310 A1 US2004062310 A1 US 2004062310A1
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United States
Prior art keywords
coding distortion
picture
block
coding
distortion removal
Prior art date
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Abandoned
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US10/466,549
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English (en)
Inventor
Zhong Xue
Sheng Shen
Teck Foo
Chak Lee
Shinya Kadono
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Panasonic Corp
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Individual
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Filing date
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Priority claimed from PCT/JP2002/012487 external-priority patent/WO2003047262A2/en
Assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. reassignment MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KADONO, SHINYA, FOO, TECK WEE, LEE, CHAK JOO, SHEN, SHENG MEI, XUE, ZHONG
Publication of US20040062310A1 publication Critical patent/US20040062310A1/en
Priority to US11/614,145 priority Critical patent/US20070098066A1/en
Priority to US11/614,126 priority patent/US7782962B2/en
Priority to US11/614,134 priority patent/US7792195B2/en
Priority to US11/928,429 priority patent/US8345770B2/en
Priority to US11/928,517 priority patent/US8254468B2/en
Priority to US11/928,491 priority patent/US7742531B2/en
Priority to US11/928,468 priority patent/US7899123B2/en
Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Priority to US13/004,088 priority patent/US8488683B2/en
Priority to US13/793,121 priority patent/US9118899B2/en
Priority to US14/662,690 priority patent/US20150201194A1/en
Priority to US14/662,715 priority patent/US10992962B2/en
Priority to US14/662,737 priority patent/US10958940B2/en
Priority to US15/411,184 priority patent/US9888258B2/en
Abandoned legal-status Critical Current

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US10/466,549 2001-11-29 2002-11-29 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same Abandoned US20040062310A1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US11/614,145 US20070098066A1 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,126 US7782962B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,134 US7792195B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,429 US8345770B2 (en) 2001-11-29 2007-10-30 Video coding and decoding method for selective coding distortion removal using a filter
US11/928,517 US8254468B2 (en) 2001-11-29 2007-10-30 Video coding distortion removal method and apparatus using a filter
US11/928,491 US7742531B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,468 US7899123B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US13/004,088 US8488683B2 (en) 2001-11-29 2011-01-11 Selective filtering based on the motion compensation error of two adjacent transform blocks
US13/793,121 US9118899B2 (en) 2001-11-29 2013-03-11 Selective coding distortion removal between two adjacent transform blocks based on their locations
US14/662,737 US10958940B2 (en) 2001-11-29 2015-03-19 Image decoding apparatus for removal of coding distortion by comparing pixel difference value with threshold
US14/662,715 US10992962B2 (en) 2001-11-29 2015-03-19 Image coding and decoding method for removal of coding distortion by comparing pixel difference values with threshold
US14/662,690 US20150201194A1 (en) 2001-11-29 2015-03-19 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US15/411,184 US9888258B2 (en) 2001-11-29 2017-01-20 Image coding and decoding system for removal of coding distortion by comparing pixel difference values with thresholds

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2002-008859 2002-01-17
JP2002008859 2002-01-17
JP2002-110748 2002-04-12
JP2002110748 2002-04-12
JP2002127101 2002-04-26
JP2002-127101 2002-04-26
JP2002-291264 2002-10-03
JP2002291264 2002-10-03
PCT/JP2002/012487 WO2003047262A2 (en) 2001-11-29 2002-11-29 Coding distortion removal method and video encoding end decoding methods

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/012487 A-371-Of-International WO2003047262A2 (en) 2001-11-29 2002-11-29 Coding distortion removal method and video encoding end decoding methods

Related Child Applications (7)

Application Number Title Priority Date Filing Date
US11/614,134 Division US7792195B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,145 Division US20070098066A1 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,126 Continuation US7782962B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,491 Continuation US7742531B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,429 Continuation US8345770B2 (en) 2001-11-29 2007-10-30 Video coding and decoding method for selective coding distortion removal using a filter
US11/928,468 Continuation US7899123B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,517 Continuation US8254468B2 (en) 2001-11-29 2007-10-30 Video coding distortion removal method and apparatus using a filter

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US20040062310A1 true US20040062310A1 (en) 2004-04-01

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Family Applications (15)

Application Number Title Priority Date Filing Date
US10/466,549 Abandoned US20040062310A1 (en) 2001-11-29 2002-11-29 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,145 Abandoned US20070098066A1 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,126 Expired - Lifetime US7782962B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,134 Expired - Lifetime US7792195B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,429 Active 2026-10-07 US8345770B2 (en) 2001-11-29 2007-10-30 Video coding and decoding method for selective coding distortion removal using a filter
US11/928,517 Active 2026-07-28 US8254468B2 (en) 2001-11-29 2007-10-30 Video coding distortion removal method and apparatus using a filter
US11/929,440 Active 2027-01-05 US8369421B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method by selectively filtering based on a pixel difference
US11/928,468 Expired - Lifetime US7899123B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,491 Expired - Lifetime US7742531B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US13/004,088 Expired - Lifetime US8488683B2 (en) 2001-11-29 2011-01-11 Selective filtering based on the motion compensation error of two adjacent transform blocks
US13/793,121 Expired - Lifetime US9118899B2 (en) 2001-11-29 2013-03-11 Selective coding distortion removal between two adjacent transform blocks based on their locations
US14/662,737 Expired - Lifetime US10958940B2 (en) 2001-11-29 2015-03-19 Image decoding apparatus for removal of coding distortion by comparing pixel difference value with threshold
US14/662,690 Abandoned US20150201194A1 (en) 2001-11-29 2015-03-19 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US14/662,715 Expired - Lifetime US10992962B2 (en) 2001-11-29 2015-03-19 Image coding and decoding method for removal of coding distortion by comparing pixel difference values with threshold
US15/411,184 Expired - Lifetime US9888258B2 (en) 2001-11-29 2017-01-20 Image coding and decoding system for removal of coding distortion by comparing pixel difference values with thresholds

Family Applications After (14)

Application Number Title Priority Date Filing Date
US11/614,145 Abandoned US20070098066A1 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,126 Expired - Lifetime US7782962B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/614,134 Expired - Lifetime US7792195B2 (en) 2001-11-29 2006-12-21 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,429 Active 2026-10-07 US8345770B2 (en) 2001-11-29 2007-10-30 Video coding and decoding method for selective coding distortion removal using a filter
US11/928,517 Active 2026-07-28 US8254468B2 (en) 2001-11-29 2007-10-30 Video coding distortion removal method and apparatus using a filter
US11/929,440 Active 2027-01-05 US8369421B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method by selectively filtering based on a pixel difference
US11/928,468 Expired - Lifetime US7899123B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US11/928,491 Expired - Lifetime US7742531B2 (en) 2001-11-29 2007-10-30 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US13/004,088 Expired - Lifetime US8488683B2 (en) 2001-11-29 2011-01-11 Selective filtering based on the motion compensation error of two adjacent transform blocks
US13/793,121 Expired - Lifetime US9118899B2 (en) 2001-11-29 2013-03-11 Selective coding distortion removal between two adjacent transform blocks based on their locations
US14/662,737 Expired - Lifetime US10958940B2 (en) 2001-11-29 2015-03-19 Image decoding apparatus for removal of coding distortion by comparing pixel difference value with threshold
US14/662,690 Abandoned US20150201194A1 (en) 2001-11-29 2015-03-19 Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US14/662,715 Expired - Lifetime US10992962B2 (en) 2001-11-29 2015-03-19 Image coding and decoding method for removal of coding distortion by comparing pixel difference values with threshold
US15/411,184 Expired - Lifetime US9888258B2 (en) 2001-11-29 2017-01-20 Image coding and decoding system for removal of coding distortion by comparing pixel difference values with thresholds

Country Status (6)

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US (15) US20040062310A1 (ko)
EP (5) EP3282699B1 (ko)
KR (2) KR100929078B1 (ko)
DK (2) DK2938071T3 (ko)
ES (2) ES2650593T3 (ko)
PT (2) PT1978747E (ko)

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050084012A1 (en) * 2003-09-07 2005-04-21 Microsoft Corporation In-loop deblocking for interlaced video
US20060067406A1 (en) * 2004-09-30 2006-03-30 Noriaki Kitada Information processing apparatus and program for use in the same
US20060067409A1 (en) * 2004-09-29 2006-03-30 Kabushiki Kaisha Toshiba Image processing apparatus
EP1659799A1 (en) * 2004-11-23 2006-05-24 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
US20060285757A1 (en) * 2003-08-19 2006-12-21 Matsushita Electric Industrial Co., Ltd. Method for encoding moving image and method for decoding moving image
US20070206871A1 (en) * 2006-03-01 2007-09-06 Suhail Jalil Enhanced image/video quality through artifact evaluation
US20070291839A1 (en) * 2006-06-15 2007-12-20 Faraday Technology Corp. Method and device for multimedia processing
US20080049843A1 (en) * 2001-11-29 2008-02-28 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US20080069245A1 (en) * 2001-11-29 2008-03-20 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
EP1909504A1 (en) * 2005-07-25 2008-04-09 Sony Corporation Image processing device, image processing method, and program
US20080151993A1 (en) * 2006-12-26 2008-06-26 Kabushiki Kaisha Toshiba Video signal processing apparatus, video signal processing method, and broadcasting receiving apparatus
US20080170629A1 (en) * 2007-01-11 2008-07-17 Samsung Electronics Co., Ltd. Method and apparatus for deblocking-filtering video data
US20090080517A1 (en) * 2007-09-21 2009-03-26 Yu-Ling Ko Method and Related Device for Reducing Blocking Artifacts in Video Streams
US20090290805A1 (en) * 2008-05-23 2009-11-26 Canon Kabushiki Kaisha Decoding apparatus, decoding method, and computer-readable storage medium
WO2011049605A1 (en) * 2009-10-22 2011-04-28 Thomson Licensing Methods and apparatus for dc intra prediction mode for video encoding and decoding
US20110128719A1 (en) * 2008-08-21 2011-06-02 Tracy Mark S Computer With Integrated Light
US20110182355A1 (en) * 2008-07-22 2011-07-28 Sk Telecom Co., Ltd. Apparatus and method for determining adaptive filter tap to encode wavelet transform coefficient, wavelet transform apparatus and method using the same, and recording medium for the same
US20120106622A1 (en) * 2010-11-03 2012-05-03 Mediatek Inc. Method and Apparatus of Slice Grouping for High Efficiency Video Coding
US20120163454A1 (en) * 2002-11-25 2012-06-28 Kiyofumi Abe Field/frame adaptive decoding with field/frame index
WO2012175196A1 (en) * 2011-06-20 2012-12-27 Panasonic Corporation Deblocking control by individual quantization parameters
US20130101035A1 (en) * 2011-10-24 2013-04-25 Qualcomm Incorporated Grouping of tiles for video coding
WO2013109773A1 (en) * 2012-01-17 2013-07-25 Futurewei Technologies, Inc. In-loop filtering for lossless coding mode in high efficiency video coding
US20130259121A1 (en) * 2010-12-27 2013-10-03 Nec Corporation Video encoding device, video decoding device, video encoding method, video decoding method, and program
US8625914B2 (en) 2013-02-04 2014-01-07 Sony Corporation Image processing system, image processing method and program
US8660375B2 (en) 2011-02-22 2014-02-25 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
KR101365443B1 (ko) 2007-01-11 2014-03-03 삼성전자주식회사 디블록킹 필터링 방법 및 장치
US8712171B2 (en) 2006-03-27 2014-04-29 Panasonic Corporation Image coding apparatus and image decoding apparatus
US8787467B2 (en) 2011-07-19 2014-07-22 Panasonic Corporation Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US8787443B2 (en) 2010-10-05 2014-07-22 Microsoft Corporation Content adaptive deblocking during video encoding and decoding
US8995530B2 (en) 2010-03-09 2015-03-31 Panasonic Intellectual Property Management Co., Ltd. Moving image decoding apparatus, moving image coding apparatus, moving image decoding circuit, and moving image decoding method
US9042458B2 (en) 2011-04-01 2015-05-26 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
US20150161772A1 (en) * 2013-12-05 2015-06-11 Hochschule Pforzheim Optimizing an image filter
US9167270B2 (en) * 2009-10-15 2015-10-20 Thomson Licensing Methods and apparatus for efficient adaptive filtering for video encoders and decoders
US9235774B2 (en) 2010-06-10 2016-01-12 Thomson Licensing Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
CN105379255A (zh) * 2013-07-22 2016-03-02 索尼公司 信息处理装置和方法
US20160150248A1 (en) * 2011-11-25 2016-05-26 Panasonic Intellectual Property Corporation Of America Image processing method and image processing apparatus
US9514519B2 (en) 2009-12-18 2016-12-06 Sharp Kabushiki Kaisha Image filter
US9729874B2 (en) 2011-02-22 2017-08-08 Tagivan Ii Llc Filtering method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
US9967593B2 (en) 2009-08-19 2018-05-08 Sony Corporation Image processing device and method

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100525785B1 (ko) * 2001-06-15 2005-11-03 엘지전자 주식회사 이미지 화소 필터링 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
US7809252B2 (en) * 2003-04-09 2010-10-05 Corel Inc. Systems and methods for caching multimedia data
CN1860520B (zh) * 2003-05-20 2011-07-06 辛迪安特公司 数字底板
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
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
KR100686141B1 (ko) * 2005-01-21 2007-02-23 엘지전자 주식회사 이동형 방송 수신기의 디블로킹 필터 및 필터링 방법
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
US8306827B2 (en) 2006-03-10 2012-11-06 Panasonic Corporation Coding device and coding method with high layer coding based on lower layer coding results
US7515710B2 (en) 2006-03-14 2009-04-07 Divx, Inc. Federated digital rights management scheme including trusted systems
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
WO2008086313A1 (en) 2007-01-05 2008-07-17 Divx, Inc. Video distribution system including progressive playback
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
US8774547B2 (en) * 2007-09-19 2014-07-08 Panasonic Corporation Contour correcting device, contour correcting method and video display device
WO2009044549A1 (ja) * 2007-10-03 2009-04-09 Panasonic Corporation ブロック歪みを減少させる方法および装置
CN101828401B (zh) 2007-10-16 2013-07-17 汤姆森许可贸易公司 用于比特深度缩放的伪像去除的方法和设备
CN101861583B (zh) 2007-11-16 2014-06-04 索尼克Ip股份有限公司 用于多媒体文件的分级及简化索引结构
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
US8625681B2 (en) * 2008-07-09 2014-01-07 Intel Corporation Rate-distortion cost reducing video encoding techniques
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
CN104935934B (zh) * 2009-10-21 2018-04-03 Sk电信有限公司 视频编码装置
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
EP2507995A4 (en) 2009-12-04 2014-07-09 Sonic Ip Inc SYSTEMS AND METHODS FOR TRANSPORTING ELEMENTARY BIT TRAIN CRYPTOGRAPHIC MATERIAL
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
AU2011308202B2 (en) 2010-09-28 2015-04-09 Samsung Electronics Co., Ltd. Adaptive filtering method and apparatus
US8976856B2 (en) * 2010-09-30 2015-03-10 Apple Inc. Optimized deblocking filters
US10244239B2 (en) 2010-12-28 2019-03-26 Dolby Laboratories Licensing Corporation Parameter set for picture segmentation
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
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
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
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
WO2013033458A2 (en) 2011-08-30 2013-03-07 Divx, Llc Systems and methods for encoding and streaming video encoded using a plurality of maximum bitrate levels
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8787570B2 (en) 2011-08-31 2014-07-22 Sonic Ip, Inc. Systems and methods for automatically genenrating 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
CN107197254B (zh) 2011-09-09 2020-03-03 太阳专利托管公司 解码方法及解码装置
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
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
RU2623800C2 (ru) 2012-05-25 2017-06-29 Сан Пэтент Траст Способ кодирования видеоизображений, способ декодирования видеоизображений, устройство кодирования видеоизображений, устройство декодирования видеоизображений и устройство кодирования-декодирования видеоизображений
RU2679984C2 (ru) 2012-05-25 2019-02-14 Вилос Медиа Интернэшнл Лимитед Способ кодирования изображений, устройство кодирования изображений, способ декодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений
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
EP4020990A1 (en) 2012-06-04 2022-06-29 Sun Patent Trust Video image encoding device, video image decoding device
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
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
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
US9094737B2 (en) 2013-05-30 2015-07-28 Sonic Ip, Inc. Network video streaming with trick play based on separate trick play files
US9100687B2 (en) 2013-05-31 2015-08-04 Sonic Ip, Inc. Playback synchronization across playback devices
US9380099B2 (en) 2013-05-31 2016-06-28 Sonic Ip, Inc. Synchronizing multiple over the top streaming clients
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
KR102426067B1 (ko) 2014-08-07 2022-07-28 디빅스, 엘엘씨 독립적으로 인코딩된 타일을 포함한 기본 비트스트림을 보호하는 시스템 및 방법
US10225298B2 (en) 2015-01-06 2019-03-05 Divx, Llc Systems and methods for encoding and sharing content between devices
EP3262523B1 (en) 2015-02-27 2019-12-04 DivX, LLC System and method for frame duplication and frame extension in live video encoding and streaming
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
US10231001B2 (en) 2016-05-24 2019-03-12 Divx, Llc Systems and methods for providing audio content during trick-play playback
US10129574B2 (en) 2016-05-24 2018-11-13 Divx, Llc Systems and methods for providing variable speeds in a trick-play mode
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
WO2019185819A1 (en) * 2018-03-29 2019-10-03 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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US36320A (en) * 1862-08-26 Improvement in cylinders for polishing gunpowder
US5418570A (en) * 1992-03-03 1995-05-23 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5436665A (en) * 1992-03-03 1995-07-25 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5654759A (en) * 1995-02-15 1997-08-05 Hitachi America Ltd. Methods and apparatus for reducing blockiness in decoded video
US5946421A (en) * 1996-08-30 1999-08-31 Daewoo Electronics Co. Ltd. Method and apparatus for compensating quantization errors of a decoded video image by using an adaptive filter
US5949908A (en) * 1994-11-24 1999-09-07 Victor Company Of Japan, Ltd. Method of reducing quantization noise generated during a decoding process of image data and device for decoding image data
US6104434A (en) * 1996-10-24 2000-08-15 Fujitsu Limited Video coding apparatus and decoding apparatus
US6188799B1 (en) * 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
US20060239360A1 (en) * 2001-11-29 2006-10-26 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US239360A (en) * 1881-03-29 Automatic gate
US95787A (en) * 1869-10-12 Improved railway-track clearer
US479211A (en) * 1892-07-19 Pile-wire
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
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
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
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
SE9501189D0 (sv) * 1995-03-31 1995-03-31 Pharmacia Ab Protein formulation
EP0843920B1 (en) * 1995-10-04 2013-12-11 Koninklijke Philips 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
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
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
KR100331331B1 (ko) * 1998-11-02 2002-05-09 윤덕용 영상데이터 루프필터링 방법
RU2154918C1 (ru) 1998-08-01 2000-08-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для цикл-фильтрации данных изображения
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
EP3282699B1 (en) 2001-11-29 2019-10-23 Godo Kaisha IP Bridge 1 Coding distortion removal method

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US36320A (en) * 1862-08-26 Improvement in cylinders for polishing gunpowder
US5418570A (en) * 1992-03-03 1995-05-23 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5436665A (en) * 1992-03-03 1995-07-25 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5677735A (en) * 1992-03-03 1997-10-14 Kabushiki Kaisha Toshiba Motion picture coding apparatus
US5949908A (en) * 1994-11-24 1999-09-07 Victor Company Of Japan, Ltd. Method of reducing quantization noise generated during a decoding process of image data and device for decoding image data
US6167157A (en) * 1994-11-24 2000-12-26 Victor Company Of Japan, Ltd. Method of reducing quantization noise generated during a decoding process of image data and device for decoding image data
US5654759A (en) * 1995-02-15 1997-08-05 Hitachi America Ltd. Methods and apparatus for reducing blockiness in decoded video
US5946421A (en) * 1996-08-30 1999-08-31 Daewoo Electronics Co. Ltd. Method and apparatus for compensating quantization errors of a decoded video image by using an adaptive filter
US6104434A (en) * 1996-10-24 2000-08-15 Fujitsu Limited Video coding apparatus and decoding apparatus
US6333949B1 (en) * 1996-10-24 2001-12-25 Fujitsu Limited Video coding apparatus and decoding apparatus
US6188799B1 (en) * 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
US20060239360A1 (en) * 2001-11-29 2006-10-26 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same

Cited By (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080049843A1 (en) * 2001-11-29 2008-02-28 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US10511857B2 (en) 2001-11-29 2019-12-17 Godo Kaisha Ip Bridge 1 Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
US10015517B2 (en) 2001-11-29 2018-07-03 Godo Kaisha Ip Bridge 1 Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
US8369421B2 (en) 2001-11-29 2013-02-05 Panasonic Corporation Coding distortion removal method by selectively filtering based on a pixel difference
US9900614B2 (en) 2001-11-29 2018-02-20 Godo Kaisha Ip Bridge 1 Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
US10939134B2 (en) 2001-11-29 2021-03-02 Godo Kaisha Ip Bridge 1 Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
US10965954B2 (en) 2001-11-29 2021-03-30 Godo Kaisha Ip Bridge 1 Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
US20080130761A1 (en) * 2001-11-29 2008-06-05 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US20080069245A1 (en) * 2001-11-29 2008-03-20 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same
US9998751B2 (en) 2002-11-25 2018-06-12 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding of B-frame with field/frame index
US9712841B2 (en) 2002-11-25 2017-07-18 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding with field/frame index
US10097852B2 (en) 2002-11-25 2018-10-09 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding with field/frame index
US10091522B2 (en) 2002-11-25 2018-10-02 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding with field/frame index
US10412405B2 (en) 2002-11-25 2019-09-10 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding with field/frame index
US8483275B2 (en) * 2002-11-25 2013-07-09 Panasonic Corporation Field/frame adaptive decoding with field/frame index
US20120163454A1 (en) * 2002-11-25 2012-06-28 Kiyofumi Abe Field/frame adaptive decoding with field/frame index
US9681136B2 (en) 2002-11-25 2017-06-13 Godo Kaisha Ip Bridge 1 Adaptive field/frame coding of B-frame with field/frame index
US9686552B2 (en) 2002-11-25 2017-06-20 Godo Kaisha Ip Bridge 1 Adaptive field/frame decoding of B-frame with field/frame index
US9124862B2 (en) 2002-11-25 2015-09-01 Godo Kaisha Ip Bridge 1 Field/frame adaptive decoding with field/frame index
US20060285757A1 (en) * 2003-08-19 2006-12-21 Matsushita Electric Industrial Co., Ltd. Method for encoding moving image and method for decoding moving image
US7650032B2 (en) 2003-08-19 2010-01-19 Panasonic Corporation Method for encoding moving image and method for decoding moving image
US8687709B2 (en) * 2003-09-07 2014-04-01 Microsoft Corporation In-loop deblocking for interlaced video
US20050084012A1 (en) * 2003-09-07 2005-04-21 Microsoft Corporation In-loop deblocking for interlaced video
US20060067409A1 (en) * 2004-09-29 2006-03-30 Kabushiki Kaisha Toshiba Image processing apparatus
US20060067406A1 (en) * 2004-09-30 2006-03-30 Noriaki Kitada Information processing apparatus and program for use in the same
US8040951B2 (en) 2004-09-30 2011-10-18 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
EP1659799A1 (en) * 2004-11-23 2006-05-24 STMicroelectronics Asia Pacific Pte Ltd. Edge adaptive filtering system for reducing artifacts and method
US20060110062A1 (en) * 2004-11-23 2006-05-25 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
EP2675164A1 (en) * 2005-07-25 2013-12-18 Sony Corporation Image processing system, image processing method and program
EP1909504A4 (en) * 2005-07-25 2011-03-16 Sony Corp IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM
US20100142835A1 (en) * 2005-07-25 2010-06-10 Ohji Nakagami Image processing system, image processing method and program
US8923637B2 (en) 2005-07-25 2014-12-30 Sony Corporation Image processing system, image processing method and program
US10271070B2 (en) 2005-07-25 2019-04-23 Velos Media, Llc Image processing system, image processing method and program
US9402077B2 (en) 2005-07-25 2016-07-26 Sony Corporation Image processing system, image processing method and program
EP1909504A1 (en) * 2005-07-25 2008-04-09 Sony Corporation Image processing device, image processing method, and program
US8396307B2 (en) 2005-07-25 2013-03-12 Sony Corporation Image processing system, image processing method and program
US10681385B2 (en) 2005-07-25 2020-06-09 Velos Media, Llc Image processing system, image processing method and program
US8391622B2 (en) 2006-03-01 2013-03-05 Qualcomm Incorporated Enhanced image/video quality through artifact evaluation
US7873224B2 (en) * 2006-03-01 2011-01-18 Qualcomm Incorporated Enhanced image/video quality through artifact evaluation
US20110075037A1 (en) * 2006-03-01 2011-03-31 Qualcomm Incorporated Enhanced image/video quality through artifact evaluation
US20070206871A1 (en) * 2006-03-01 2007-09-06 Suhail Jalil Enhanced image/video quality through artifact evaluation
WO2007103743A2 (en) * 2006-03-01 2007-09-13 Qualcomm Incorporated Enhanced image/video quality through artifact evaluation
CN101390401B (zh) * 2006-03-01 2010-12-08 高通股份有限公司 借助伪影评价的提高的图像/视频质量
WO2007103743A3 (en) * 2006-03-01 2007-11-08 Qualcomm Inc Enhanced image/video quality through artifact evaluation
US8712171B2 (en) 2006-03-27 2014-04-29 Panasonic Corporation Image coding apparatus and image decoding apparatus
US20070291839A1 (en) * 2006-06-15 2007-12-20 Faraday Technology Corp. Method and device for multimedia processing
US20080151993A1 (en) * 2006-12-26 2008-06-26 Kabushiki Kaisha Toshiba Video signal processing apparatus, video signal processing method, and broadcasting receiving apparatus
KR101365443B1 (ko) 2007-01-11 2014-03-03 삼성전자주식회사 디블록킹 필터링 방법 및 장치
US8705576B2 (en) * 2007-01-11 2014-04-22 Samsung Electronics Co., Ltd. Method and apparatus for deblocking-filtering video data
US20080170629A1 (en) * 2007-01-11 2008-07-17 Samsung Electronics Co., Ltd. Method and apparatus for deblocking-filtering video data
US20090080517A1 (en) * 2007-09-21 2009-03-26 Yu-Ling Ko Method and Related Device for Reducing Blocking Artifacts in Video Streams
US20090290805A1 (en) * 2008-05-23 2009-11-26 Canon Kabushiki Kaisha Decoding apparatus, decoding method, and computer-readable storage medium
US20130058420A1 (en) * 2008-05-23 2013-03-07 Canon Kabushiki Kaisha Decoding apparatus, decoding method, and computer-readable storage medium
US8326052B2 (en) * 2008-05-23 2012-12-04 Canon Kabushiki Kaisha Apparatus, method, and computer-readable storage medium for decoding movie image data
US8654836B2 (en) * 2008-07-22 2014-02-18 Sk Telecom Co., Ltd. Apparatus and method for determining adaptive filter tap to encode wavelet transform coefficient, wavelet transform apparatus and method using the same, and recording medium for the same
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
US20110182355A1 (en) * 2008-07-22 2011-07-28 Sk Telecom Co., Ltd. Apparatus and method for determining adaptive filter tap to encode wavelet transform coefficient, wavelet transform apparatus and method using the same, and recording medium for the same
US20110128719A1 (en) * 2008-08-21 2011-06-02 Tracy Mark S Computer With Integrated Light
US10587899B2 (en) 2009-08-19 2020-03-10 Sony Corporation Image processing device and method
US10911786B2 (en) 2009-08-19 2021-02-02 Sony Corporation Image processing device and method
US9967593B2 (en) 2009-08-19 2018-05-08 Sony Corporation Image processing device and method
US9167270B2 (en) * 2009-10-15 2015-10-20 Thomson Licensing Methods and apparatus for efficient adaptive filtering for video encoders and decoders
EP3337171A1 (en) * 2009-10-22 2018-06-20 Thomson Licensing Methods and apparatus for dc intra prediction mode for video encoding and decoding
US9277227B2 (en) 2009-10-22 2016-03-01 Thomas Licensing Methods and apparatus for DC intra prediction mode for video encoding and decoding
WO2011049605A1 (en) * 2009-10-22 2011-04-28 Thomson Licensing Methods and apparatus for dc intra prediction mode for video encoding and decoding
US9514519B2 (en) 2009-12-18 2016-12-06 Sharp Kabushiki Kaisha Image filter
US9641865B2 (en) 2009-12-18 2017-05-02 Sharp Kabushiki Kaisha Method for decoding moving images
US9641868B2 (en) 2010-03-09 2017-05-02 Panasonic Intellectual Property Management Co., Ltd. Moving image decoding apparatus, moving image coding apparatus, moving image decoding circuit, and moving image decoding method
US8995530B2 (en) 2010-03-09 2015-03-31 Panasonic Intellectual Property Management Co., Ltd. Moving image decoding apparatus, moving image coding apparatus, moving image decoding circuit, and moving image decoding method
US10334247B2 (en) 2010-06-10 2019-06-25 Interdigital Vc Holdings, Inc. Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US11381818B2 (en) 2010-06-10 2022-07-05 Interdigital Vc Holdings, Inc. Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US10742981B2 (en) 2010-06-10 2020-08-11 Interdigital Vc Holdings, Inc. Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US9235774B2 (en) 2010-06-10 2016-01-12 Thomson Licensing Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US11722669B2 (en) 2010-06-10 2023-08-08 Interdigital Vc Holdings, Inc. Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US10547840B2 (en) 2010-06-10 2020-01-28 Interdigital Vc Holdings, Inc. Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US9749631B2 (en) 2010-06-10 2017-08-29 Thomson Licensing Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters
US8787443B2 (en) 2010-10-05 2014-07-22 Microsoft Corporation Content adaptive deblocking during video encoding and decoding
US10284868B2 (en) 2010-10-05 2019-05-07 Microsoft Technology Licensing, Llc 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
US20130259121A1 (en) * 2010-12-27 2013-10-03 Nec Corporation Video encoding device, video decoding device, video encoding method, video decoding method, and program
US9826230B2 (en) 2011-02-22 2017-11-21 Tagivan Ii Llc Encoding method and encoding apparatus
US10511844B2 (en) 2011-02-22 2019-12-17 Tagivan Ii Llc Filtering method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
US9489749B2 (en) 2011-02-22 2016-11-08 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US10798391B2 (en) 2011-02-22 2020-10-06 Tagivan Ii Llc Filtering method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
US9729874B2 (en) 2011-02-22 2017-08-08 Tagivan Ii Llc Filtering method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
US9961352B2 (en) 2011-02-22 2018-05-01 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US8917946B2 (en) 2011-02-22 2014-12-23 Panasonic Intellectual Property Corporation Of America Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US8855435B2 (en) 2011-02-22 2014-10-07 Panasonic Intellectual Property Corporation Of America Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US10602159B2 (en) 2011-02-22 2020-03-24 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US10015498B2 (en) 2011-02-22 2018-07-03 Tagivan Ii Llc Filtering method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
US8660375B2 (en) 2011-02-22 2014-02-25 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US10237562B2 (en) 2011-02-22 2019-03-19 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
US10051290B2 (en) 2011-04-01 2018-08-14 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
US9042458B2 (en) 2011-04-01 2015-05-26 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
WO2012175196A1 (en) * 2011-06-20 2012-12-27 Panasonic Corporation Deblocking control by individual quantization parameters
US20170347127A1 (en) * 2011-07-19 2017-11-30 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US8787467B2 (en) 2011-07-19 2014-07-22 Panasonic Corporation Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US9930367B2 (en) * 2011-07-19 2018-03-27 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US20170078661A1 (en) * 2011-07-19 2017-03-16 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US9667968B2 (en) * 2011-07-19 2017-05-30 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US9544585B2 (en) * 2011-07-19 2017-01-10 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US20140286404A1 (en) * 2011-07-19 2014-09-25 Panasonic Corporation Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US9774888B2 (en) * 2011-07-19 2017-09-26 Tagivan Ii Llc Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
US9584819B2 (en) * 2011-10-24 2017-02-28 Qualcomm Incorporated Grouping of tiles for video coding
US20130101035A1 (en) * 2011-10-24 2013-04-25 Qualcomm Incorporated Grouping of tiles for video coding
US10924764B2 (en) 2011-11-25 2021-02-16 Sun Patent Trust Image processing method and image processing apparatus
US10587895B2 (en) * 2011-11-25 2020-03-10 Sun Patent Trust Image processing method and image processing apparatus
US9961371B2 (en) 2011-11-25 2018-05-01 Sun Patent Trust Image processing method and image processing apparatus
US11463731B2 (en) 2011-11-25 2022-10-04 Sun Patent Trust Image processing method and image processing apparatus
US20160150248A1 (en) * 2011-11-25 2016-05-26 Panasonic Intellectual Property Corporation Of America Image processing method and image processing apparatus
US11895335B2 (en) 2011-11-25 2024-02-06 Sun Patent Trust Image processing method and image processing apparatus
WO2013109773A1 (en) * 2012-01-17 2013-07-25 Futurewei Technologies, Inc. In-loop filtering for lossless coding mode in high efficiency video coding
CN110234012A (zh) * 2012-01-17 2019-09-13 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
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
US8625914B2 (en) 2013-02-04 2014-01-07 Sony Corporation Image processing system, image processing method and program
CN105379255A (zh) * 2013-07-22 2016-03-02 索尼公司 信息处理装置和方法
US9589206B2 (en) * 2013-12-05 2017-03-07 Hochschule Pforzheim Optimizing an image filter
US20150161772A1 (en) * 2013-12-05 2015-06-11 Hochschule Pforzheim Optimizing an image filter

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