BR112017020102A2 - processo de amostragem descendente para modo de previsão de modelo linear - Google Patents
processo de amostragem descendente para modo de previsão de modelo linearInfo
- Publication number
- BR112017020102A2 BR112017020102A2 BR112017020102A BR112017020102A BR112017020102A2 BR 112017020102 A2 BR112017020102 A2 BR 112017020102A2 BR 112017020102 A BR112017020102 A BR 112017020102A BR 112017020102 A BR112017020102 A BR 112017020102A BR 112017020102 A2 BR112017020102 A2 BR 112017020102A2
- Authority
- BR
- Brazil
- Prior art keywords
- linear model
- model prediction
- prediction mode
- sampling process
- down sampling
- 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
- H04N19/10—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
- H04N19/102—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
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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
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
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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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/70—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
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Abstract
técnicas ilustrativas relacionadas à decodificação ou codificação por previsão de modelo linear (lm) são descritas. um decodificador de vídeo ou codificador de vídeo determina qual filtro aplicar a partir de um conjunto de filtros para amostrar descendentemente as amostras de um bloco de luminescência e gerar um bloco de previsão para um bloco de crominância correspondente com base nas características do bloco de crominância.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562136344P | 2015-03-20 | 2015-03-20 | |
US62/136,344 | 2015-03-20 | ||
US15/073,171 | 2016-03-17 | ||
US15/073,171 US10455249B2 (en) | 2015-03-20 | 2016-03-17 | Downsampling process for linear model prediction mode |
PCT/US2016/023157 WO2016154008A1 (en) | 2015-03-20 | 2016-03-18 | Downsampling process for linear model prediction mode |
Publications (2)
Publication Number | Publication Date |
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BR112017020102A2 true BR112017020102A2 (pt) | 2018-05-29 |
BR112017020102B1 BR112017020102B1 (pt) | 2023-10-31 |
Family
ID=56924068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017020102-0A BR112017020102B1 (pt) | 2015-03-20 | 2016-03-18 | Processo de amostragem descendente para modo de previsão de modelo linear |
Country Status (10)
Country | Link |
---|---|
US (1) | US10455249B2 (pt) |
EP (1) | EP3272121B1 (pt) |
JP (1) | JP6827944B2 (pt) |
KR (1) | KR102520295B1 (pt) |
CN (1) | CN107409209B (pt) |
AR (1) | AR104854A1 (pt) |
BR (1) | BR112017020102B1 (pt) |
CA (1) | CA2976820C (pt) |
TW (1) | TWI693821B (pt) |
WO (1) | WO2016154008A1 (pt) |
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2016
- 2016-03-17 US US15/073,171 patent/US10455249B2/en active Active
- 2016-03-18 CN CN201680014523.9A patent/CN107409209B/zh active Active
- 2016-03-18 AR ARP160100748A patent/AR104854A1/es active IP Right Grant
- 2016-03-18 JP JP2017548411A patent/JP6827944B2/ja active Active
- 2016-03-18 BR BR112017020102-0A patent/BR112017020102B1/pt active IP Right Grant
- 2016-03-18 WO PCT/US2016/023157 patent/WO2016154008A1/en active Application Filing
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CN107409209B (zh) | 2020-11-10 |
JP6827944B2 (ja) | 2021-02-10 |
TWI693821B (zh) | 2020-05-11 |
EP3272121A1 (en) | 2018-01-24 |
KR20170129750A (ko) | 2017-11-27 |
AR104854A1 (es) | 2017-08-23 |
EP3272121B1 (en) | 2021-07-07 |
CA2976820C (en) | 2023-08-29 |
JP2018514119A (ja) | 2018-05-31 |
TW201639365A (zh) | 2016-11-01 |
US10455249B2 (en) | 2019-10-22 |
CN107409209A (zh) | 2017-11-28 |
BR112017020102B1 (pt) | 2023-10-31 |
CA2976820A1 (en) | 2016-09-29 |
WO2016154008A1 (en) | 2016-09-29 |
US20160277762A1 (en) | 2016-09-22 |
KR102520295B1 (ko) | 2023-04-10 |
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