HUE040069T2 - Videó kódoló eljárás, és videó kódoló - Google Patents
Videó kódoló eljárás, és videó kódolóInfo
- Publication number
- HUE040069T2 HUE040069T2 HUE16206474A HUE16206474A HUE040069T2 HU E040069 T2 HUE040069 T2 HU E040069T2 HU E16206474 A HUE16206474 A HU E16206474A HU E16206474 A HUE16206474 A HU E16206474A HU E040069 T2 HUE040069 T2 HU E040069T2
- Authority
- HU
- Hungary
- Prior art keywords
- video
- coding method
- coder
- video coding
- video coder
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Burglar Alarm Systems (AREA)
- Endoscopes (AREA)
- Studio Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161554598P | 2011-11-02 | 2011-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
HUE040069T2 true HUE040069T2 (hu) | 2019-02-28 |
Family
ID=48191681
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HUE16206474A HUE040069T2 (hu) | 2011-11-02 | 2012-11-01 | Videó kódoló eljárás, és videó kódoló |
HUE16206470A HUE040062T2 (hu) | 2011-11-02 | 2012-11-01 | Videó kodek |
HUE18186410A HUE064456T2 (hu) | 2011-11-02 | 2012-11-01 | Videó kódoló eljárás és videó kódoló |
HUE18186398A HUE064621T2 (hu) | 2011-11-02 | 2012-11-01 | Videó dekódoló eljárás és videó dekóder |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HUE16206470A HUE040062T2 (hu) | 2011-11-02 | 2012-11-01 | Videó kodek |
HUE18186410A HUE064456T2 (hu) | 2011-11-02 | 2012-11-01 | Videó kódoló eljárás és videó kódoló |
HUE18186398A HUE064621T2 (hu) | 2011-11-02 | 2012-11-01 | Videó dekódoló eljárás és videó dekóder |
Country Status (15)
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5071090B2 (ja) | 2007-12-17 | 2012-11-14 | 株式会社Ihi | ディーゼルエンジンの燃料噴射方法及びディーゼルエンジン |
EP3249924B1 (en) * | 2009-03-23 | 2019-09-11 | Ntt Docomo, Inc. | Image predictive encoding device, image predictive encoding method, image predictive decoding device and image predictive decoding method |
HUE040069T2 (hu) | 2011-11-02 | 2019-02-28 | Tagivan Ii Llc | Videó kódoló eljárás, és videó kódoló |
US9392268B2 (en) * | 2012-09-28 | 2016-07-12 | Qualcomm Incorporated | Using base layer motion information |
JP5983430B2 (ja) * | 2013-01-25 | 2016-08-31 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法及び動画像復号装置ならびに動画像復号方法 |
US10904551B2 (en) | 2013-04-05 | 2021-01-26 | Texas Instruments Incorporated | Video coding using intra block copy |
JP6986721B2 (ja) | 2014-03-18 | 2021-12-22 | パナソニックIpマネジメント株式会社 | 復号装置及び符号化装置 |
US20150271514A1 (en) * | 2014-03-18 | 2015-09-24 | Panasonic Intellectual Property Management Co., Ltd. | Prediction image generation method, image coding method, image decoding method, and prediction image generation apparatus |
CN106464905B (zh) * | 2014-05-06 | 2019-06-07 | 寰发股份有限公司 | 用于块内复制模式编码的块向量预测方法 |
TWI565302B (zh) * | 2014-10-01 | 2017-01-01 | 財團法人工業技術研究院 | 解碼器、編碼器、解碼方法、編碼方法與編解碼系統 |
JP6918661B2 (ja) * | 2017-09-22 | 2021-08-11 | キヤノン株式会社 | 符号化装置、符号化方法及びプログラム |
CN116886901A (zh) * | 2017-09-26 | 2023-10-13 | 松下电器(美国)知识产权公司 | 解码装置、编码装置、解码方法和编码方法 |
JPWO2019082318A1 (ja) * | 2017-10-25 | 2020-11-19 | 株式会社ソシオネクスト | 動画像処理装置、動画像処理システム、及び動画像処理方法 |
CN109922336B (zh) | 2017-12-12 | 2023-07-18 | 华为技术有限公司 | 视频数据的帧间预测方法和装置 |
WO2019135270A1 (ja) * | 2018-01-04 | 2019-07-11 | 株式会社ソシオネクスト | 動画像解析装置、動画像解析システム、動画像解析方法、及びプログラム |
CN118175298A (zh) * | 2018-04-02 | 2024-06-11 | Lg电子株式会社 | 图片解码方法、图片编码方法和发送方法 |
EP4246979A3 (en) * | 2018-04-24 | 2023-11-01 | LG Electronics Inc. | Method and apparatus for inter prediction in video coding system |
US10701384B2 (en) * | 2018-08-01 | 2020-06-30 | Tencent America LLC | Method and apparatus for improvement on decoder side motion derivation and refinement |
CN120602673A (zh) * | 2019-02-08 | 2025-09-05 | 松下电器(美国)知识产权公司 | 编码装置、解码装置和非暂时性计算机可读记录介质 |
CN112565753B (zh) * | 2020-12-06 | 2022-08-16 | 浙江大华技术股份有限公司 | 运动矢量差的确定方法和装置、存储介质及电子装置 |
GB202400502D0 (en) * | 2024-01-12 | 2024-02-28 | Canon Kk | Method and device for improved mesh coding in VDMC |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3681341A (en) | 1970-12-23 | 1972-08-01 | Hoffmann La Roche | Process for preparing 1-lower alkyl-1,4-benzodiazepin-2-ones |
JPS5531150A (en) | 1978-08-28 | 1980-03-05 | Natl Res Inst For Metals | Manufacture of molybdenum-coated material having corrosion resistance at high temperature |
US6438254B1 (en) * | 1999-03-17 | 2002-08-20 | Matsushita Electric Industrial Co., Ltd. | Motion vector detection method, motion vector detection apparatus, and data storage media |
US20020057739A1 (en) * | 2000-10-19 | 2002-05-16 | Takumi Hasebe | Method and apparatus for encoding video |
CN101431679B (zh) * | 2002-03-04 | 2011-08-10 | 松下电器产业株式会社 | 图像编码方法及图像编码装置 |
US20040146109A1 (en) * | 2002-04-19 | 2004-07-29 | Satoshi Kondo | Method for calculation motion vector |
CA2451571A1 (en) * | 2002-04-19 | 2003-10-30 | Matsushita Electric Industrial Co., Ltd. | Method for calculating motion vector |
US8064520B2 (en) | 2003-09-07 | 2011-11-22 | Microsoft Corporation | Advanced bi-directional predictive coding of interlaced video |
JP4166781B2 (ja) * | 2005-12-09 | 2008-10-15 | 松下電器産業株式会社 | 動きベクトル検出装置および動きベクトル検出方法 |
TWI314820B (en) * | 2006-05-26 | 2009-09-11 | Ind Tech Res Inst | Pattern-search based method for context-adaptive variable length coding/decoding |
CN100576919C (zh) * | 2006-08-08 | 2009-12-30 | 佳能株式会社 | 运动矢量检测设备及运动矢量检测方法 |
AU2007202789B9 (en) * | 2007-06-15 | 2011-08-18 | Canon Kabushiki Kaisha | High-fidelity motion summarisation method |
WO2010131903A2 (en) * | 2009-05-12 | 2010-11-18 | Lg Electronics Inc. | Method and apparatus for processing a video signal |
KR101742992B1 (ko) * | 2009-05-12 | 2017-06-02 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
JP2009290889A (ja) * | 2009-08-07 | 2009-12-10 | Ntt Docomo Inc | 動画像符号化装置、動画像復号化装置、動画像符号化方法、動画像復号化方法、動画像符号化プログラム及び動画像復号化プログラム |
US8462848B2 (en) * | 2009-12-17 | 2013-06-11 | Broadcom Corporation | Method and system for intra-mode selection without using reconstructed data |
US9420308B2 (en) | 2009-12-18 | 2016-08-16 | Vixs Systems, Inc. | Scaled motion search section with parallel processing and method for use therewith |
US20110242427A1 (en) * | 2010-04-01 | 2011-10-06 | Timothy Ramsdale | Method and System for Providing 1080P Video With 32-Bit Mobile DDR Memory |
US9300970B2 (en) * | 2010-07-09 | 2016-03-29 | Samsung Electronics Co., Ltd. | Methods and apparatuses for encoding and decoding motion vector |
US8711940B2 (en) * | 2010-11-29 | 2014-04-29 | Mediatek Inc. | Method and apparatus of motion vector prediction with extended motion vector predictor |
EP2665271A4 (en) * | 2011-01-12 | 2014-06-18 | Panasonic Corp | VIDEO CODING METHOD AND VIDEO CODING METHOD |
HUE040069T2 (hu) | 2011-11-02 | 2019-02-28 | Tagivan Ii Llc | Videó kódoló eljárás, és videó kódoló |
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2012
- 2012-11-01 HU HUE16206474A patent/HUE040069T2/hu unknown
- 2012-11-01 ES ES16206470T patent/ES2698559T3/es active Active
- 2012-11-01 ES ES18186410T patent/ES2965240T3/es active Active
- 2012-11-01 BR BR122020014537-4A patent/BR122020014537B1/pt active IP Right Grant
- 2012-11-01 EP EP12845656.3A patent/EP2775717B1/en active Active
- 2012-11-01 KR KR1020227004894A patent/KR102478864B1/ko active Active
- 2012-11-01 KR KR1020217015426A patent/KR102365524B1/ko active Active
- 2012-11-01 LT LTEP18186398.6T patent/LT3413567T/lt unknown
- 2012-11-01 PL PL16206470T patent/PL3174298T3/pl unknown
- 2012-11-01 ES ES16206474T patent/ES2698560T3/es active Active
- 2012-11-01 BR BR122020014548-0A patent/BR122020014548B1/pt active IP Right Grant
- 2012-11-01 EP EP18186398.6A patent/EP3413567B1/en active Active
- 2012-11-01 EP EP18186410.9A patent/EP3416387B1/en active Active
- 2012-11-01 HU HUE16206470A patent/HUE040062T2/hu unknown
- 2012-11-01 BR BR122020014528-5A patent/BR122020014528B1/pt active IP Right Grant
- 2012-11-01 CA CA3056874A patent/CA3056874C/en active Active
- 2012-11-01 BR BR122020014549-8A patent/BR122020014549B1/pt active IP Right Grant
- 2012-11-01 CN CN201610838436.7A patent/CN107071467B/zh active Active
- 2012-11-01 PL PL16206474T patent/PL3174299T3/pl unknown
- 2012-11-01 HU HUE18186410A patent/HUE064456T2/hu unknown
- 2012-11-01 ES ES18186398T patent/ES2967129T3/es active Active
- 2012-11-01 HU HUE18186398A patent/HUE064621T2/hu unknown
- 2012-11-01 BR BR112013018949A patent/BR112013018949B8/pt active IP Right Grant
- 2012-11-01 JP JP2013530443A patent/JPWO2013065308A1/ja active Pending
- 2012-11-01 LT LTEP18186410.9T patent/LT3416387T/lt unknown
- 2012-11-01 KR KR1020207024067A patent/KR102257961B1/ko active Active
- 2012-11-01 CN CN201610836384.XA patent/CN107071462B/zh active Active
- 2012-11-01 LT LTEP16206470.3T patent/LT3174298T/lt unknown
- 2012-11-01 PL PL18186398.6T patent/PL3413567T3/pl unknown
- 2012-11-01 LT LTEP16206474.5T patent/LT3174299T/lt unknown
- 2012-11-01 WO PCT/JP2012/007006 patent/WO2013065308A1/ja active Application Filing
- 2012-11-01 CA CA3148063A patent/CA3148063C/en active Active
- 2012-11-01 ES ES12845656.3T patent/ES2641952T3/es active Active
- 2012-11-01 KR KR1020197034266A patent/KR102148904B1/ko active Active
- 2012-11-01 EP EP16206470.3A patent/EP3174298B1/en active Active
- 2012-11-01 CA CA3148065A patent/CA3148065C/en active Active
- 2012-11-01 CA CA3056869A patent/CA3056869C/en active Active
- 2012-11-01 MX MX2013008533A patent/MX2013008533A/es active IP Right Grant
- 2012-11-01 PL PL12845656T patent/PL2775717T3/pl unknown
- 2012-11-01 CN CN201610836386.9A patent/CN107071463B/zh active Active
- 2012-11-01 PL PL18186410.9T patent/PL3416387T3/pl unknown
- 2012-11-01 CN CN201280006778.2A patent/CN103339941B/zh active Active
- 2012-11-01 MY MYPI2013701326A patent/MY165702A/en unknown
- 2012-11-01 US US13/666,265 patent/US8942288B2/en active Active
- 2012-11-01 KR KR1020137019951A patent/KR102049308B1/ko active Active
- 2012-11-01 EP EP16206474.5A patent/EP3174299B1/en active Active
- 2012-11-01 CA CA2825761A patent/CA2825761C/en active Active
- 2012-11-02 TW TW101140782A patent/TWI559734B/zh active
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2013
- 2013-09-12 JP JP2013189016A patent/JP5521101B2/ja active Active
- 2013-09-12 JP JP2013189057A patent/JP6158649B2/ja active Active
- 2013-09-12 JP JP2013189038A patent/JP5405690B2/ja active Active
- 2013-09-12 JP JP2013188984A patent/JP5531150B2/ja active Active
- 2013-11-22 US US14/087,391 patent/US10063879B2/en active Active
- 2013-11-22 US US14/087,364 patent/US9066109B2/en active Active
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2017
- 2017-06-08 JP JP2017113314A patent/JP6346346B2/ja active Active
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2018
- 2018-07-24 US US16/043,678 patent/US10291933B2/en active Active
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2019
- 2019-03-28 US US16/367,482 patent/US10499080B2/en active Active
- 2019-10-29 US US16/666,524 patent/US10798411B2/en active Active
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2020
- 2020-09-04 US US17/012,791 patent/US10992953B2/en active Active
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2021
- 2021-03-29 US US17/215,065 patent/US11570469B2/en active Active
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2022
- 2022-12-23 US US18/087,981 patent/US11812055B2/en active Active
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