CL2020003455A1 - Aparato y método para filtrar en codificación de video. - Google Patents
Aparato y método para filtrar en codificación de video.Info
- Publication number
- CL2020003455A1 CL2020003455A1 CL2020003455A CL2020003455A CL2020003455A1 CL 2020003455 A1 CL2020003455 A1 CL 2020003455A1 CL 2020003455 A CL2020003455 A CL 2020003455A CL 2020003455 A CL2020003455 A CL 2020003455A CL 2020003455 A1 CL2020003455 A1 CL 2020003455A1
- Authority
- CL
- Chile
- Prior art keywords
- filtered
- block
- pixels
- filter
- spectrum components
- 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
- H04N19/102—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
-
- 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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- 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
-
- 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
- H04N19/42—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
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
- H04N19/70—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
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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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/124—Quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
La invención se refiere a un filtro para la codificación de video, en donde el filtro se configura para procesar un bloque para la generación de un bloque filtrado, y en donde el bloque comprende una pluralidad de píxeles. El filtro incluye uno o más procesadores configurados para: escanear un píxel actual del bloque y los píxeles vecinos del píxel actual de acuerdo con una plantilla de escaneo predefinida; obtener componentes de espectro al realizar una transformada para el píxel actual y sus píxeles vecinos; obtener componentes de espectro filtrados en función de un parámetro de filtrado y los componentes de espectro; obtener píxeles filtrados al realizar una transformada inversa para los componentes de espectro filtrados; y generar un bloque filtrado con base en los píxeles filtrados. El filtro se proporciona permitiendo mejorar la eficiencia para la codificación de video.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862693441P | 2018-07-02 | 2018-07-02 | |
US201862725845P | 2018-08-31 | 2018-08-31 | |
US201862731967P | 2018-09-16 | 2018-09-16 | |
US201862731972P | 2018-09-17 | 2018-09-17 | |
US201862735722P | 2018-09-24 | 2018-09-24 | |
US201862757732P | 2018-11-08 | 2018-11-08 | |
US201962793866P | 2019-01-17 | 2019-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2020003455A1 true CL2020003455A1 (es) | 2021-07-23 |
Family
ID=69059729
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2020003453A CL2020003453A1 (es) | 2018-07-02 | 2020-12-31 | Aparato y método para filtrar en codificación de video |
CL2020003455A CL2020003455A1 (es) | 2018-07-02 | 2020-12-31 | Aparato y método para filtrar en codificación de video. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2020003453A CL2020003453A1 (es) | 2018-07-02 | 2020-12-31 | Aparato y método para filtrar en codificación de video |
Country Status (13)
Country | Link |
---|---|
US (3) | US11805249B2 (es) |
EP (3) | EP3808092A4 (es) |
JP (3) | JP7195348B2 (es) |
KR (3) | KR102598576B1 (es) |
CN (3) | CN112806019B (es) |
AU (3) | AU2019298063B2 (es) |
BR (3) | BR112020026971A2 (es) |
CA (3) | CA3105446C (es) |
CL (2) | CL2020003453A1 (es) |
MX (3) | MX2021000173A (es) |
NZ (1) | NZ772208A (es) |
SG (3) | SG11202013015PA (es) |
WO (3) | WO2020009617A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11706412B2 (en) | 2018-07-02 | 2023-07-18 | Huawei Technologies Co., Ltd. | Apparatus and method for filtering in video coding |
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BR112021025435A2 (pt) * | 2019-06-18 | 2022-02-01 | Huawei Tech Co Ltd | Aparelho e método para filtragem em codificação de vídeo |
US11743459B2 (en) * | 2020-09-29 | 2023-08-29 | Qualcomm Incorporated | Filtering process for video coding |
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2019
- 2019-07-02 EP EP19830354.7A patent/EP3808092A4/en active Pending
- 2019-07-02 WO PCT/RU2019/050100 patent/WO2020009617A1/en unknown
- 2019-07-02 MX MX2021000173A patent/MX2021000173A/es unknown
- 2019-07-02 MX MX2021000172A patent/MX2021000172A/es unknown
- 2019-07-02 WO PCT/RU2019/050102 patent/WO2020009619A1/en unknown
- 2019-07-02 NZ NZ772208A patent/NZ772208A/en unknown
- 2019-07-02 AU AU2019298063A patent/AU2019298063B2/en active Active
- 2019-07-02 WO PCT/RU2019/050101 patent/WO2020009618A1/en unknown
- 2019-07-02 JP JP2020573159A patent/JP7195348B2/ja active Active
- 2019-07-02 SG SG11202013015PA patent/SG11202013015PA/en unknown
- 2019-07-02 KR KR1020217002228A patent/KR102598576B1/ko active IP Right Grant
- 2019-07-02 MX MX2021000170A patent/MX2021000170A/es unknown
- 2019-07-02 CA CA3105446A patent/CA3105446C/en active Active
- 2019-07-02 BR BR112020026971-9A patent/BR112020026971A2/pt unknown
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US11706412B2 (en) | 2018-07-02 | 2023-07-18 | Huawei Technologies Co., Ltd. | Apparatus and method for filtering in video coding |
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