MX2022003321A - Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. - Google Patents
Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.Info
- Publication number
- MX2022003321A MX2022003321A MX2022003321A MX2022003321A MX2022003321A MX 2022003321 A MX2022003321 A MX 2022003321A MX 2022003321 A MX2022003321 A MX 2022003321A MX 2022003321 A MX2022003321 A MX 2022003321A MX 2022003321 A MX2022003321 A MX 2022003321A
- Authority
- MX
- Mexico
- Prior art keywords
- deriving
- transform coefficient
- basis
- transform
- method based
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000009795 derivation Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
Classifications
-
- 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
- H04N19/10—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
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/134—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]
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Un método de decodificación de imágenes de acuerdo con el presente documento puede comprender el paso de derivar un coeficiente de transformación modificado, en donde el paso de derivar el coeficiente de transformación modificado comprende los pasos de: derivar una primera variable que indique si el coeficiente de transformación existe en un área que excluya una ubicación de DC del bloque actual; analizar un índice de LFNST sobre la base del resultado de la derivación; y derivar el coeficiente de transformación modificado sobre la base del índice de LFNST y una matriz de LFNST, y sobre la base del hecho de que el bloque actual se divida en una pluralidad de bloques de subdivisión, el índice de LFNST se puede analizar sin derivar la primera variable.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962903821P | 2019-09-21 | 2019-09-21 | |
US201962904627P | 2019-09-23 | 2019-09-23 | |
PCT/KR2020/012695 WO2021054796A1 (ko) | 2019-09-21 | 2020-09-21 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2022003321A true MX2022003321A (es) | 2022-05-06 |
Family
ID=74883645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2022003321A MX2022003321A (es) | 2019-09-21 | 2020-09-21 | Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. |
Country Status (11)
Country | Link |
---|---|
US (2) | US11805257B2 (es) |
EP (2) | EP4373094A3 (es) |
JP (2) | JP7299413B2 (es) |
KR (2) | KR20220154260A (es) |
CN (4) | CN114731434B (es) |
BR (1) | BR112022005040A2 (es) |
CA (1) | CA3155276A1 (es) |
FI (1) | FI4017007T3 (es) |
MX (1) | MX2022003321A (es) |
PL (1) | PL4017007T3 (es) |
WO (1) | WO2021054796A1 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114731434B (zh) * | 2019-09-21 | 2023-06-30 | Lg电子株式会社 | 基于变换的图像编码方法及其装置 |
US20220150518A1 (en) * | 2020-11-11 | 2022-05-12 | Tencent America LLC | Method and apparatus for video coding |
WO2024112156A1 (ko) * | 2022-11-24 | 2024-05-30 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024112171A1 (ko) * | 2022-11-24 | 2024-05-30 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024123148A1 (ko) * | 2022-12-09 | 2024-06-13 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136486A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136484A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136476A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136473A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136483A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136471A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136475A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
WO2024136481A1 (ko) * | 2022-12-20 | 2024-06-27 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8885701B2 (en) * | 2010-09-08 | 2014-11-11 | Samsung Electronics Co., Ltd. | Low complexity transform coding using adaptive DCT/DST for intra-prediction |
CN107835418B (zh) * | 2011-10-18 | 2021-05-14 | 株式会社Kt | 视频信号解码方法 |
US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
US10939096B2 (en) * | 2016-05-05 | 2021-03-02 | Interdigital Madison Patent Holdings, Sas | Control-point based intra direction representation for intra coding |
WO2017192995A1 (en) * | 2016-05-06 | 2017-11-09 | Vid Scale, Inc. | Method and system for decoder-side intra mode derivation for block-based video coding |
US10743025B2 (en) * | 2016-09-01 | 2020-08-11 | Lg Electronics Inc. | Method and apparatus for performing transformation using layered givens transform |
US11095893B2 (en) * | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
WO2018074402A1 (ja) * | 2016-10-18 | 2018-04-26 | 東洋紡株式会社 | 伸縮性導体シート、伸縮性配線、伸縮性配線付き布帛、および導電性回復方法 |
US10855997B2 (en) * | 2017-04-14 | 2020-12-01 | Mediatek Inc. | Secondary transform kernel size selection |
US10567801B2 (en) * | 2018-03-07 | 2020-02-18 | Tencent America LLC | Method and apparatus for video coding with primary and secondary transforms |
WO2019185818A1 (en) * | 2018-03-29 | 2019-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Transform coefficient block coding |
US20200252608A1 (en) * | 2019-02-05 | 2020-08-06 | Qualcomm Incorporated | Sub-partition intra prediction |
US11218728B2 (en) * | 2019-06-04 | 2022-01-04 | Tencent America LLC | Method and apparatus for video coding |
US11695960B2 (en) * | 2019-06-14 | 2023-07-04 | Qualcomm Incorporated | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
KR20220037434A (ko) * | 2019-06-25 | 2022-03-24 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 인트라 서브 파티션들을 위한 코딩을 포함하는 디코더, 인코더, 및 방법들 |
EP4011073A1 (en) * | 2019-08-06 | 2022-06-15 | InterDigital VC Holdings France, SAS | Secondary transform for video encoding and decoding |
CN114731434B (zh) * | 2019-09-21 | 2023-06-30 | Lg电子株式会社 | 基于变换的图像编码方法及其装置 |
-
2020
- 2020-09-21 CN CN202080078893.5A patent/CN114731434B/zh active Active
- 2020-09-21 CA CA3155276A patent/CA3155276A1/en active Pending
- 2020-09-21 CN CN202310699255.0A patent/CN116600120A/zh active Pending
- 2020-09-21 PL PL20864403.9T patent/PL4017007T3/pl unknown
- 2020-09-21 CN CN202310699346.4A patent/CN116527937A/zh active Pending
- 2020-09-21 BR BR112022005040A patent/BR112022005040A2/pt unknown
- 2020-09-21 WO PCT/KR2020/012695 patent/WO2021054796A1/ko unknown
- 2020-09-21 CN CN202310700137.7A patent/CN116527938A/zh active Pending
- 2020-09-21 FI FIEP20864403.9T patent/FI4017007T3/fi active
- 2020-09-21 KR KR1020227039292A patent/KR20220154260A/ko active Application Filing
- 2020-09-21 MX MX2022003321A patent/MX2022003321A/es unknown
- 2020-09-21 KR KR1020227008834A patent/KR102467334B1/ko active IP Right Grant
- 2020-09-21 EP EP24168784.7A patent/EP4373094A3/en active Pending
- 2020-09-21 EP EP20864403.9A patent/EP4017007B1/en active Active
- 2020-09-21 JP JP2022517974A patent/JP7299413B2/ja active Active
-
2022
- 2022-03-21 US US17/699,411 patent/US11805257B2/en active Active
-
2023
- 2023-06-15 JP JP2023098497A patent/JP2023107986A/ja active Pending
- 2023-09-15 US US18/369,015 patent/US20240007642A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2023107986A (ja) | 2023-08-03 |
CN116527937A (zh) | 2023-08-01 |
JP2022548961A (ja) | 2022-11-22 |
US20220248027A1 (en) | 2022-08-04 |
WO2021054796A1 (ko) | 2021-03-25 |
EP4373094A3 (en) | 2024-05-29 |
CN116600120A (zh) | 2023-08-15 |
US11805257B2 (en) | 2023-10-31 |
EP4017007A1 (en) | 2022-06-22 |
PL4017007T3 (pl) | 2024-07-29 |
CA3155276A1 (en) | 2021-03-25 |
FI4017007T3 (fi) | 2024-06-19 |
BR112022005040A2 (pt) | 2022-06-21 |
EP4373094A2 (en) | 2024-05-22 |
KR20220045041A (ko) | 2022-04-12 |
JP7299413B2 (ja) | 2023-06-27 |
EP4017007A4 (en) | 2022-11-16 |
US20240007642A1 (en) | 2024-01-04 |
CN116527938A (zh) | 2023-08-01 |
KR20220154260A (ko) | 2022-11-21 |
CN114731434B (zh) | 2023-06-30 |
CN114731434A (zh) | 2022-07-08 |
EP4017007B1 (en) | 2024-05-22 |
KR102467334B1 (ko) | 2022-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2022003321A (es) | Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. | |
MX2021001745A (es) | Gestión de imágenes de referencia en codificación de video. | |
MX2021006039A (es) | Un codificador, un decodificador y métodos correspondientes para interpredicción. | |
MX2023012078A (es) | Reconfiguracion de imagenes en codificacion de video usando la optimizacion de tasa-distorsion. | |
MY189780A (en) | Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel | |
AU2020213583A8 (en) | Signaling of in-loop reshaping information using parameter sets | |
MX2021008911A (es) | Se?alizacion de informacion de reformacion en bucle utilizando conjuntos de parametros. | |
MX2021008151A (es) | Metodo y aparato de prediccion de bloques de croma. | |
CA2854074C (en) | Method and apparatus for determining context model of transform coefficient level in entropy coding and decoding | |
MX2022003836A (es) | Se?alizacion basada en los niveles de las herramientas de codificacion de video. | |
MX2022005495A (es) | Método de codificación de imágenes a base de transformación y dispositivo para el mismo. | |
EP4307668A3 (en) | Methods and apparatuses for encoding and decoding video according to coding order | |
ZA202106351B (en) | Constraints on model-based reshaping in video processing | |
MX2022005694A (es) | Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. | |
MX2022000535A (es) | Proceso de cuantificacion para modo paleta. | |
PH12020500550A1 (en) | Encoding method apparatus therefor, and decoding method and apparatus therefor | |
MX2022003998A (es) | Metodo de codificacion de imagenes a base de transformacion, y aparato para el mismo. | |
MX2021008340A (es) | Método, aparato y sistema de prediccion de imagenes, dispositivo y medio de almacenamiento. | |
MX2022003322A (es) | Dispositivo y metodo de codificacion de imagenes a base de transformacion. | |
EP4325863A3 (en) | Image decoding method and device and image encoding method and device in image coding system | |
AU2020232820A8 (en) | The method of efficient signalling of CBF flags | |
MX2022001645A (es) | Metodo de codificacion de video con base en transformacion, y dispositivo para el mismo. | |
MX2021010615A (es) | Metodos de codificacion y decodificacion, codificador y decodificador, y medio de almacenamiento. | |
BR112022002287A2 (pt) | Método e aparelho para codificação de imagem com base em transformada | |
MX2022003319A (es) | Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo. |