BR112016023401A2 - determinação de região de busca para cópia de intrabloco em codificação de vídeo - Google Patents
determinação de região de busca para cópia de intrabloco em codificação de vídeoInfo
- Publication number
- BR112016023401A2 BR112016023401A2 BR112016023401A BR112016023401A BR112016023401A2 BR 112016023401 A2 BR112016023401 A2 BR 112016023401A2 BR 112016023401 A BR112016023401 A BR 112016023401A BR 112016023401 A BR112016023401 A BR 112016023401A BR 112016023401 A2 BR112016023401 A2 BR 112016023401A2
- Authority
- BR
- Brazil
- Prior art keywords
- determination
- video encoding
- search region
- intrablock copy
- intrablock
- 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
- H04N19/42—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
- 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
- H04N19/10—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
- H04N19/103—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
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/182—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 pixel
-
- 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
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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
- H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
-
- 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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461968999P | 2014-03-21 | 2014-03-21 | |
| US14/663,161 US10477232B2 (en) | 2014-03-21 | 2015-03-19 | Search region determination for intra block copy in video coding |
| PCT/US2015/021789 WO2015143346A1 (en) | 2014-03-21 | 2015-03-20 | Search region determination for intra block copy in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112016023401A2 true BR112016023401A2 (pt) | 2018-06-19 |
Family
ID=54143335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016023401A BR112016023401A2 (pt) | 2014-03-21 | 2015-03-20 | determinação de região de busca para cópia de intrabloco em codificação de vídeo |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10477232B2 (https=) |
| EP (1) | EP3120558A1 (https=) |
| JP (1) | JP2017513361A (https=) |
| KR (1) | KR20160135226A (https=) |
| CN (1) | CN106134196A (https=) |
| BR (1) | BR112016023401A2 (https=) |
| WO (1) | WO2015143346A1 (https=) |
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| CN118612445B (zh) * | 2024-05-31 | 2025-06-24 | 腾讯科技(深圳)有限公司 | 一种视频编解码方法和相关装置 |
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| US10904551B2 (en) * | 2013-04-05 | 2021-01-26 | Texas Instruments Incorporated | Video coding using intra block copy |
| TWI536811B (zh) * | 2013-12-27 | 2016-06-01 | 財團法人工業技術研究院 | 影像處理方法與系統、解碼方法、編碼器與解碼器 |
| US20150264383A1 (en) * | 2014-03-14 | 2015-09-17 | Mitsubishi Electric Research Laboratories, Inc. | Block Copy Modes for Image and Video Coding |
| US9591325B2 (en) * | 2015-01-27 | 2017-03-07 | Microsoft Technology Licensing, Llc | Special case handling for merged chroma blocks in intra block copy prediction mode |
-
2015
- 2015-03-19 US US14/663,161 patent/US10477232B2/en active Active
- 2015-03-20 BR BR112016023401A patent/BR112016023401A2/pt not_active Application Discontinuation
- 2015-03-20 EP EP15715039.2A patent/EP3120558A1/en not_active Withdrawn
- 2015-03-20 KR KR1020167026922A patent/KR20160135226A/ko not_active Withdrawn
- 2015-03-20 CN CN201580013316.7A patent/CN106134196A/zh active Pending
- 2015-03-20 WO PCT/US2015/021789 patent/WO2015143346A1/en not_active Ceased
- 2015-03-20 JP JP2016558077A patent/JP2017513361A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3120558A1 (en) | 2017-01-25 |
| JP2017513361A (ja) | 2017-05-25 |
| WO2015143346A1 (en) | 2015-09-24 |
| CN106134196A (zh) | 2016-11-16 |
| US20150271517A1 (en) | 2015-09-24 |
| US10477232B2 (en) | 2019-11-12 |
| KR20160135226A (ko) | 2016-11-25 |
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