MX2023007880A - Simplificaciones de modelo lineal de componente transversal. - Google Patents
Simplificaciones de modelo lineal de componente transversal.Info
- Publication number
- MX2023007880A MX2023007880A MX2023007880A MX2023007880A MX2023007880A MX 2023007880 A MX2023007880 A MX 2023007880A MX 2023007880 A MX2023007880 A MX 2023007880A MX 2023007880 A MX2023007880 A MX 2023007880A MX 2023007880 A MX2023007880 A MX 2023007880A
- Authority
- MX
- Mexico
- Prior art keywords
- luma
- sample
- sampled
- chroma
- samples
- Prior art date
Links
- 241000023320 Luma <angiosperm> Species 0.000 abstract 15
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract 15
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
- H04N19/186—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
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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
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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
-
- 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
- H04N19/10—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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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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
- H04N19/44—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Prostheses (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Un dispositivo de cómputo realiza un método de decodificación de video al reconstruir un bloque de luma que corresponde a un bloque de croma; que busca un subgrupo de una pluralidad de muestras de luma circundantes reconstruidas en un orden predefinido para identificar una muestra de luma máxima y una muestra de luma mínima; computa una muestra de luma máxima muestreada descendentemente que corresponde a la muestra de luma máxima; computa una muestra de luma mínima muestreada descendentemente que corresponde a la muestra de luma mínima; genera un modelo lineal utilizando la muestra de luma máxima muestreada descendentemente, la muestra de luma mínima muestreada descendentemente, la primera muestra de croma reconstruida, y la segunda muestra de croma reconstruida; computa las muestras de luma mínimas muestreadas descendentemente de muestras de luma del bloque de luma reconstruido, en donde cada muestra de luma muestreada descendentemente corresponde a una muestra de croma del bloque de croma; y predice las muestras de croma del bloque de croma al aplicar el modelo lineal a las muestras de luma mínimas muestreadas descendentemente correspondientes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862742806P | 2018-10-08 | 2018-10-08 |
Publications (1)
Publication Number | Publication Date |
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MX2023007880A true MX2023007880A (es) | 2023-07-10 |
Family
ID=70165126
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021004028A MX2021004028A (es) | 2018-10-08 | 2019-10-08 | Simplificaciones de modelo lineal de componente transversal. |
MX2023007878A MX2023007878A (es) | 2018-10-08 | 2021-04-07 | Simplificaciones de modelo lineal de componente transversal. |
MX2023007879A MX2023007879A (es) | 2018-10-08 | 2021-04-07 | Simplificaciones de modelo lineal de componente transversal. |
MX2023007880A MX2023007880A (es) | 2018-10-08 | 2021-04-07 | Simplificaciones de modelo lineal de componente transversal. |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
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MX2021004028A MX2021004028A (es) | 2018-10-08 | 2019-10-08 | Simplificaciones de modelo lineal de componente transversal. |
MX2023007878A MX2023007878A (es) | 2018-10-08 | 2021-04-07 | Simplificaciones de modelo lineal de componente transversal. |
MX2023007879A MX2023007879A (es) | 2018-10-08 | 2021-04-07 | Simplificaciones de modelo lineal de componente transversal. |
Country Status (13)
Country | Link |
---|---|
US (5) | US20210227235A1 (es) |
EP (4) | EP4221220A1 (es) |
JP (3) | JP7053954B2 (es) |
KR (2) | KR102398217B1 (es) |
CN (6) | CN116170586B (es) |
DK (1) | DK3847816T3 (es) |
ES (1) | ES2949023T3 (es) |
FI (1) | FI3847816T3 (es) |
HU (1) | HUE062341T2 (es) |
MX (4) | MX2021004028A (es) |
PL (1) | PL3847816T3 (es) |
PT (1) | PT3847816T (es) |
WO (1) | WO2020076835A1 (es) |
Families Citing this family (12)
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BR112021000694A2 (pt) * | 2018-07-16 | 2021-04-13 | Huawei Technologies Co., Ltd. | Codificador de vídeo, decodificador de vídeo, e métodos de codificação e decodificação correspondentes |
CN117880501A (zh) | 2018-10-07 | 2024-04-12 | 三星电子株式会社 | 用于编码或解码视频信号的视频信号处理方法和设备 |
EP4221220A1 (en) * | 2018-10-08 | 2023-08-02 | Beijing Dajia Internet Information Technology Co., Ltd. | Simplifications of cross-component linear model |
WO2020076142A1 (ko) * | 2018-10-12 | 2020-04-16 | 주식회사 윌러스표준기술연구소 | 교차성분 선형 모델을 이용한 비디오 신호 처리 방법 및 장치 |
CN112335245A (zh) * | 2018-10-12 | 2021-02-05 | Oppo广东移动通信有限公司 | 视频图像分量预测方法及装置、计算机存储介质 |
KR102443965B1 (ko) * | 2019-01-01 | 2022-09-19 | 엘지전자 주식회사 | 히스토리 기반 모션 벡터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치 |
US11190800B2 (en) | 2019-02-07 | 2021-11-30 | Qualcomm Incorporated | Motion vector predictor list generation for intra block copy mode in video coding |
MX2022000207A (es) * | 2019-06-27 | 2022-03-22 | Hfi Innovation Inc | Método y aparato de filtracion de bucle adaptable con componente cruzado para codificación de video. |
MX2022008238A (es) * | 2019-12-30 | 2022-10-07 | Beijing Dajia Internet Information Tech Co Ltd | Determinación de componentes cruzados de las componentes croma y luma de datos de video. |
US20220353547A1 (en) * | 2021-04-16 | 2022-11-03 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
WO2023200933A1 (en) * | 2022-04-13 | 2023-10-19 | Innopeak Technology, Inc. | Cross-component model adjustment for video coding |
WO2023242466A1 (en) * | 2022-06-17 | 2023-12-21 | Nokia Technologies Oy | A method, an apparatus and a computer program product for video coding |
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KR20120140366A (ko) * | 2011-06-21 | 2012-12-31 | 광운대학교 산학협력단 | 휘도 성분의 문맥을 이용하는 적응적 색차 성분 스캐닝 순서 결정 방법 및 장치 |
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CN116684620A (zh) * | 2017-11-28 | 2023-09-01 | Lx 半导体科技有限公司 | 图像编码/解码方法、图像数据的传输方法和存储介质 |
GB2571313B (en) * | 2018-02-23 | 2022-09-21 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
EP3799428A4 (en) * | 2018-07-02 | 2021-04-14 | LG Electronics, Inc. | CCLM-BASED INTRA-PREDICTION DEVICE AND PROCESS |
EP3815370A4 (en) * | 2018-07-12 | 2021-08-11 | Huawei Technologies Co., Ltd. | INTRAPREDICTION USING COMPONENT LINEAR MODEL IN VIDEO ENCODING |
BR112021000694A2 (pt) * | 2018-07-16 | 2021-04-13 | Huawei Technologies Co., Ltd. | Codificador de vídeo, decodificador de vídeo, e métodos de codificação e decodificação correspondentes |
EP4221220A1 (en) | 2018-10-08 | 2023-08-02 | Beijing Dajia Internet Information Technology Co., Ltd. | Simplifications of cross-component linear model |
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2019
- 2019-10-08 EP EP23163759.6A patent/EP4221220A1/en active Pending
- 2019-10-08 CN CN202310242277.4A patent/CN116170586B/zh active Active
- 2019-10-08 PT PT198720765T patent/PT3847816T/pt unknown
- 2019-10-08 CN CN202311000873.8A patent/CN116847097B/zh active Active
- 2019-10-08 CN CN202310744433.7A patent/CN116708770B/zh active Active
- 2019-10-08 JP JP2021520130A patent/JP7053954B2/ja active Active
- 2019-10-08 KR KR1020217010676A patent/KR102398217B1/ko active IP Right Grant
- 2019-10-08 FI FIEP19872076.5T patent/FI3847816T3/fi active
- 2019-10-08 WO PCT/US2019/055208 patent/WO2020076835A1/en unknown
- 2019-10-08 HU HUE19872076A patent/HUE062341T2/hu unknown
- 2019-10-08 EP EP23179392.8A patent/EP4228262A1/en active Pending
- 2019-10-08 DK DK19872076.5T patent/DK3847816T3/da active
- 2019-10-08 EP EP23179394.4A patent/EP4228263A1/en active Pending
- 2019-10-08 CN CN202210198549.0A patent/CN114449266B/zh active Active
- 2019-10-08 ES ES19872076T patent/ES2949023T3/es active Active
- 2019-10-08 CN CN202311006402.8A patent/CN116847098B/zh active Active
- 2019-10-08 CN CN201980066515.2A patent/CN112889291A/zh active Pending
- 2019-10-08 MX MX2021004028A patent/MX2021004028A/es unknown
- 2019-10-08 PL PL19872076.5T patent/PL3847816T3/pl unknown
- 2019-10-08 EP EP19872076.5A patent/EP3847816B1/en active Active
- 2019-10-08 KR KR1020227012696A patent/KR20220051426A/ko active Application Filing
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2021
- 2021-04-05 US US17/222,461 patent/US20210227235A1/en not_active Abandoned
- 2021-04-07 MX MX2023007878A patent/MX2023007878A/es unknown
- 2021-04-07 MX MX2023007879A patent/MX2023007879A/es unknown
- 2021-04-07 MX MX2023007880A patent/MX2023007880A/es unknown
- 2021-04-08 US US17/225,955 patent/US11323726B2/en active Active
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2022
- 2022-03-21 US US17/700,238 patent/US11632559B2/en active Active
- 2022-03-31 JP JP2022059221A patent/JP7247398B2/ja active Active
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2023
- 2023-03-15 JP JP2023040322A patent/JP7416993B2/ja active Active
- 2023-03-24 US US18/126,179 patent/US11962789B2/en active Active
- 2023-06-21 US US18/212,640 patent/US20230336749A1/en active Pending
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