MX2022002086A - Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma. - Google Patents
Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.Info
- Publication number
- MX2022002086A MX2022002086A MX2022002086A MX2022002086A MX2022002086A MX 2022002086 A MX2022002086 A MX 2022002086A MX 2022002086 A MX2022002086 A MX 2022002086A MX 2022002086 A MX2022002086 A MX 2022002086A MX 2022002086 A MX2022002086 A MX 2022002086A
- Authority
- MX
- Mexico
- Prior art keywords
- chroma
- related information
- offset
- decoding method
- image decoding
- Prior art date
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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
- H04N19/124—Quantisation
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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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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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
- H04N19/134—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
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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
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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
- H04N19/169—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
- H04N19/10—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
- H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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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
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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
- H04N19/90—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)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
Abstract
Un método de decodificación de imágenes llevado a cabo por un dispositivo de decodificación de acuerdo con el presente documento comprende los pasos de: obtener información relacionada con desplazamiento de QP de croma de CU para un bloque de croma actual con base en el tamaño y tipo de árbol del bloque de croma actual; derivar un QP de croma para el bloque de croma actual sobre la base de la información relacionada con el desplazamiento de QP de croma CU; derivar muestras residuales para el bloque de croma actual sobre la base del QP de croma; y generar una imagen reconstruida sobre la base de las muestras residuales, en donde la información relacionada con desplazamiento de QP de croma de CU incluye un indicador de desplazamiento de QP de croma de CU y un índice de desplazamiento de QP de croma de CU para el bloque de croma actual.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962890603P | 2019-08-22 | 2019-08-22 | |
PCT/KR2020/011084 WO2021034115A1 (ko) | 2019-08-22 | 2020-08-20 | 크로마 양자화 파라미터 오프셋 관련 정보를 코딩하는 영상 디코딩 방법 및 그 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2022002086A true MX2022002086A (es) | 2022-03-17 |
Family
ID=74660296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2022002086A MX2022002086A (es) | 2019-08-22 | 2020-08-20 | Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma. |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220408088A1 (es) |
EP (1) | EP4020987A4 (es) |
JP (2) | JP7284342B2 (es) |
KR (2) | KR102655358B1 (es) |
CN (1) | CN114258677A (es) |
MX (1) | MX2022002086A (es) |
WO (1) | WO2021034115A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7318110B2 (ja) * | 2019-08-22 | 2023-07-31 | エルジー エレクトロニクス インコーポレイティド | クロマ量子化パラメータを使用する画像デコード方法及びその装置 |
WO2021037277A1 (en) | 2019-09-01 | 2021-03-04 | Beijing Bytedance Network Technology Co., Ltd. | Rules for video coding using geometric partitioning mode |
CN114556915B (zh) * | 2019-10-10 | 2023-11-10 | 北京字节跳动网络技术有限公司 | 几何分割模式中被编解码的块的去块 |
JP7277354B2 (ja) * | 2019-12-26 | 2023-05-18 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9363509B2 (en) * | 2011-03-03 | 2016-06-07 | Electronics And Telecommunications Research Institute | Method for determining color difference component quantization parameter and device using the method |
US9414054B2 (en) * | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
US9591302B2 (en) * | 2012-07-02 | 2017-03-07 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
US9510002B2 (en) * | 2013-09-09 | 2016-11-29 | Apple Inc. | Chroma quantization in video coding |
WO2017143467A1 (en) * | 2016-02-22 | 2017-08-31 | Mediatek Singapore Pte. Ltd. | Localized luma mode prediction inheritance for chroma coding |
US10448056B2 (en) * | 2016-07-15 | 2019-10-15 | Qualcomm Incorporated | Signaling of quantization information in non-quadtree-only partitioned video coding |
-
2020
- 2020-08-20 CN CN202080058237.9A patent/CN114258677A/zh active Pending
- 2020-08-20 MX MX2022002086A patent/MX2022002086A/es unknown
- 2020-08-20 EP EP20854493.2A patent/EP4020987A4/en active Pending
- 2020-08-20 JP JP2022506414A patent/JP7284342B2/ja active Active
- 2020-08-20 KR KR1020227000385A patent/KR102655358B1/ko active IP Right Grant
- 2020-08-20 US US17/629,651 patent/US20220408088A1/en active Pending
- 2020-08-20 KR KR1020247010382A patent/KR20240044548A/ko unknown
- 2020-08-20 WO PCT/KR2020/011084 patent/WO2021034115A1/ko unknown
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2023
- 2023-05-18 JP JP2023082270A patent/JP7459347B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2023096120A (ja) | 2023-07-06 |
EP4020987A1 (en) | 2022-06-29 |
JP2022543581A (ja) | 2022-10-13 |
KR102655358B1 (ko) | 2024-04-04 |
WO2021034115A1 (ko) | 2021-02-25 |
JP7284342B2 (ja) | 2023-05-30 |
KR20220019267A (ko) | 2022-02-16 |
US20220408088A1 (en) | 2022-12-22 |
JP7459347B2 (ja) | 2024-04-01 |
EP4020987A4 (en) | 2023-08-23 |
KR20240044548A (ko) | 2024-04-04 |
CN114258677A (zh) | 2022-03-29 |
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