IN2014CN02461A - - Google Patents
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- IN2014CN02461A IN2014CN02461A IN2461CHN2014A IN2014CN02461A IN 2014CN02461 A IN2014CN02461 A IN 2014CN02461A IN 2461CHN2014 A IN2461CHN2014 A IN 2461CHN2014A IN 2014CN02461 A IN2014CN02461 A IN 2014CN02461A
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- Prior art keywords
- prediction mode
- reference prediction
- derived
- current coding
- modes
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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
- H04N19/10—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
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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
- H04N19/10—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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
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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
- H04N19/10—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
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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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/10—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
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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
- H04N19/10—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
- H04N19/18—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 a set of transform coefficients
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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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
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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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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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
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Reference prediction mode values also referred to as most probable modes or MPMs usable for encoding or decoding of a prediction mode related to a current coding unit are derived. First and second reference prediction mode values are derived (S402) from respective prediction modes of at least two neighbouring coding units of the current coding unit. The first and second reference prediction modes are different from one another. A third reference prediction mode value is derived (S403) from the first and second reference prediction mode values. The third reference prediction mode is different from each of said first and second reference prediction mode values. By deriving three MPMs instead of two for comparison with the prediction mode of the current coding block the coding efficiency is improved. This is due to the increase in the probability that the prediction mode of the current coding block corresponds to one of the derived most probable modes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1115739.3A GB2494468B (en) | 2011-09-12 | 2011-09-12 | Method and device for encoding or decoding information representing prediction modes |
| PCT/EP2012/003829 WO2013037489A1 (en) | 2011-09-12 | 2012-09-12 | Deriving reference mode values and encoding and decoding information representing prediction modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014CN02461A true IN2014CN02461A (en) | 2015-08-07 |
Family
ID=44908429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2461CHN2014 IN2014CN02461A (en) | 2011-09-12 | 2012-09-12 |
Country Status (16)
| Country | Link |
|---|---|
| US (5) | US9930332B2 (en) |
| EP (6) | EP4224857A1 (en) |
| JP (5) | JP6129178B2 (en) |
| KR (6) | KR102052292B1 (en) |
| CN (6) | CN108632628B (en) |
| BR (5) | BR122020002124B1 (en) |
| ES (4) | ES2998863T3 (en) |
| GB (1) | GB2494468B (en) |
| HR (1) | HRP20240151T1 (en) |
| HU (4) | HUE070503T2 (en) |
| IN (1) | IN2014CN02461A (en) |
| PL (4) | PL3518540T3 (en) |
| PT (1) | PT3518540T (en) |
| RS (1) | RS65122B1 (en) |
| RU (7) | RU2575992C2 (en) |
| WO (1) | WO2013037489A1 (en) |
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| CN106851300B (en) | 2011-09-13 | 2020-05-26 | 寰发股份有限公司 | Method and device for intra-frame prediction mode based on most probable mode |
| JP5869681B2 (en) | 2011-10-07 | 2016-02-24 | パンテック カンパニー リミテッド | Encoding / decoding method and apparatus for intra prediction mode using candidate intra prediction mode |
| CN104935930B (en) * | 2011-10-24 | 2018-05-01 | 英孚布瑞智有限私人贸易公司 | Image decoding apparatus |
| PT3402202T (en) | 2011-10-24 | 2022-09-23 | Gensquare Llc | Image decoding apparatus |
| JP5750579B2 (en) * | 2011-10-24 | 2015-07-22 | インフォブリッジ ピーティーイー． エルティーディー． | Intra prediction mode decoding method and apparatus |
| CN105338349B9 (en) | 2011-10-24 | 2019-03-05 | 英孚布瑞智有限私人贸易公司 | Method and apparatus for image decoding |
| KR20130049522A (en) * | 2011-11-04 | 2013-05-14 | 오수미 | Method for generating intra prediction block |
| KR20130049523A (en) * | 2011-11-04 | 2013-05-14 | 오수미 | Apparatus for generating intra prediction block |
| KR20130049526A (en) | 2011-11-04 | 2013-05-14 | 오수미 | Method for generating reconstructed block |
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| KR20130049524A (en) | 2011-11-04 | 2013-05-14 | 오수미 | Method for generating intra prediction block |
| KR20130058524A (en) | 2011-11-25 | 2013-06-04 | 오수미 | Method for generating chroma intra prediction block |
| CN103220506B (en) | 2012-01-19 | 2015-11-25 | 华为技术有限公司 | A kind of decoding method and equipment |
| US9210438B2 (en) * | 2012-01-20 | 2015-12-08 | Sony Corporation | Logical intra mode naming in HEVC video coding |
| DK3512197T5 (en) * | 2012-01-20 | 2020-09-14 | Dolby Laboratories Licensing Corp | Method for mapping intra-prediction mode |
| CN105338363B (en) * | 2014-07-30 | 2018-12-14 | 联想(北京)有限公司 | A kind of encoding and decoding method and apparatus of video frame |
| CN113438478B (en) * | 2016-04-06 | 2024-08-16 | 株式会社Kt | Method for encoding and decoding video and device for storing compressed video data |
| US20190289301A1 (en) * | 2016-05-23 | 2019-09-19 | Kaonmedia Co., Ltd. | Image processing method, and image encoding and decoding method using same |
| CN117880535A (en) | 2016-10-12 | 2024-04-12 | 三星电子株式会社 | Image processing method and computer readable recording medium |
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| WO2020050697A1 (en) * | 2018-09-06 | 2020-03-12 | 엘지전자 주식회사 | Intra-prediction mode-based image processing method and device therefor |
| WO2020055159A1 (en) | 2018-09-11 | 2020-03-19 | 엘지전자 주식회사 | Method for processing image on basis of intra prediction mode, and device therefor |
| JP7460638B2 (en) * | 2019-01-02 | 2024-04-02 | オッポ広東移動通信有限公司 | Intra prediction method and apparatus, video coding device and storage medium |
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| CN113875237A (en) | 2019-04-10 | 2021-12-31 | 韩国电子通信研究院 | Method and apparatus for signaling prediction mode dependent signals in intra prediction |
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| GB2494468B (en) | 2011-09-12 | 2014-01-15 | Canon Kk | Method and device for encoding or decoding information representing prediction modes |
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2011
- 2011-09-12 GB GB1115739.3A patent/GB2494468B/en active Active
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2012
- 2012-09-12 BR BR122020002124-1A patent/BR122020002124B1/en active IP Right Grant
- 2012-09-12 CN CN201810653568.1A patent/CN108632628B/en active Active
- 2012-09-12 BR BR122020002125-0A patent/BR122020002125B1/en active IP Right Grant
- 2012-09-12 CN CN201810652420.6A patent/CN108632626B/en active Active
- 2012-09-12 CN CN201810653729.7A patent/CN108848387B/en active Active
- 2012-09-12 CN CN201810653510.7A patent/CN108632627B/en active Active
- 2012-09-12 EP EP23170182.2A patent/EP4224857A1/en active Pending
- 2012-09-12 BR BR122020002127-6A patent/BR122020002127B1/en active IP Right Grant
- 2012-09-12 HU HUE23170178A patent/HUE070503T2/en unknown
- 2012-09-12 ES ES23170176T patent/ES2998863T3/en active Active
- 2012-09-12 WO PCT/EP2012/003829 patent/WO2013037489A1/en active Application Filing
- 2012-09-12 JP JP2014528903A patent/JP6129178B2/en active Active
- 2012-09-12 EP EP19157988.7A patent/EP3518540B1/en active Active
- 2012-09-12 IN IN2461CHN2014 patent/IN2014CN02461A/en unknown
- 2012-09-12 HU HUE23170181A patent/HUE070501T2/en unknown
- 2012-09-12 PL PL19157988.7T patent/PL3518540T3/en unknown
- 2012-09-12 HU HUE23170176A patent/HUE070502T2/en unknown
- 2012-09-12 RS RS20240121A patent/RS65122B1/en unknown
- 2012-09-12 EP EP23170181.4A patent/EP4228261B1/en active Active
- 2012-09-12 KR KR1020187027326A patent/KR102052292B1/en active Active
- 2012-09-12 KR KR1020147009016A patent/KR20140062509A/en not_active Ceased
- 2012-09-12 CN CN201280044447.8A patent/CN103797800B/en active Active
- 2012-09-12 ES ES23170181T patent/ES3000474T3/en active Active
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- 2012-09-12 US US14/344,315 patent/US9930332B2/en active Active
- 2012-09-12 EP EP12759373.9A patent/EP2756675B1/en active Active
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- 2012-09-12 ES ES19157988T patent/ES2963368T3/en active Active
- 2012-09-12 RU RU2014114449/08A patent/RU2575992C2/en active
- 2012-09-12 KR KR1020187027327A patent/KR102068921B1/en active Active
- 2012-09-12 PT PT191579887T patent/PT3518540T/en unknown
- 2012-09-12 EP EP23170176.4A patent/EP4228259B1/en active Active
- 2012-09-12 PL PL23170181.4T patent/PL4228261T3/en unknown
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- 2012-09-12 BR BR112014005323-5A patent/BR112014005323B1/en active IP Right Grant
- 2012-09-12 HR HRP20240151TT patent/HRP20240151T1/en unknown
- 2012-09-12 EP EP23170178.0A patent/EP4228260B1/en active Active
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- 2012-09-12 KR KR1020167005146A patent/KR101903101B1/en active Active
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2016
- 2016-01-25 RU RU2016102177A patent/RU2016102177A/en not_active Application Discontinuation
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2017
- 2017-04-12 JP JP2017079151A patent/JP6513120B2/en active Active
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2018
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- 2018-04-18 RU RU2018114274A patent/RU2696252C1/en active
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2019
- 2019-02-06 JP JP2019020165A patent/JP6766195B2/en active Active
- 2019-03-07 US US16/296,069 patent/US10687057B2/en active Active
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- 2019-07-19 RU RU2019122867A patent/RU2722536C1/en active
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- 2020-05-22 RU RU2020116865A patent/RU2732673C1/en active
- 2020-12-08 RU RU2020140328A patent/RU2759319C1/en active
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