PL4395318T3 - Kodowanie obrazu oparte na przekształceniu - Google Patents
Kodowanie obrazu oparte na przekształceniuInfo
- Publication number
- PL4395318T3 PL4395318T3 PL24176203.8T PL24176203T PL4395318T3 PL 4395318 T3 PL4395318 T3 PL 4395318T3 PL 24176203 T PL24176203 T PL 24176203T PL 4395318 T3 PL4395318 T3 PL 4395318T3
- Authority
- PL
- Poland
- Prior art keywords
- transform
- image coding
- based image
- coding
- image
- Prior art date
Links
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
- H04N19/10—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
- H04N19/132—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
- H04N19/169—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
- H04N19/60—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
- H04N19/70—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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962903823P | 2019-09-21 | 2019-09-21 | |
| US201962904636P | 2019-09-23 | 2019-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4395318T3 true PL4395318T3 (pl) | 2025-11-17 |
Family
ID=74884126
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL24176203.8T PL4395318T3 (pl) | 2019-09-21 | 2020-09-21 | Kodowanie obrazu oparte na przekształceniu |
| PL20866694.1T PL4017008T3 (pl) | 2019-09-21 | 2020-09-21 | Kodowanie obrazu oparte na przekształceniu |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20866694.1T PL4017008T3 (pl) | 2019-09-21 | 2020-09-21 | Kodowanie obrazu oparte na przekształceniu |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US12262015B2 (pl) |
| EP (3) | EP4395318B1 (pl) |
| KR (2) | KR20250150656A (pl) |
| CN (5) | CN119484822A (pl) |
| CA (2) | CA3155433C (pl) |
| ES (2) | ES2983826T3 (pl) |
| FI (1) | FI4017008T3 (pl) |
| HR (2) | HRP20240943T1 (pl) |
| HU (2) | HUE072498T2 (pl) |
| MX (5) | MX2022003322A (pl) |
| PL (2) | PL4395318T3 (pl) |
| RS (1) | RS67060B1 (pl) |
| SI (1) | SI4017008T1 (pl) |
| WO (1) | WO2021054798A1 (pl) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2022007299A (es) * | 2019-12-24 | 2022-07-19 | Interdigital Vc Holdings France | Orden de exploracion de predictores espaciales. |
| CN119893135A (zh) * | 2020-03-27 | 2025-04-25 | 三星电子株式会社 | 影像的译码方法及装置 |
| US11902531B2 (en) * | 2021-04-12 | 2024-02-13 | Qualcomm Incorporated | Low frequency non-separable transform for video coding |
| EP4604547A1 (en) * | 2022-10-16 | 2025-08-20 | LG Electronics Inc. | Image encoding/decoding method and device, and recording medium on which bitstream is stored |
| CN119968851A (zh) * | 2022-10-16 | 2025-05-09 | Lg 电子株式会社 | 图像编码/解码方法和设备及其上存储比特流的记录介质 |
| WO2025073658A1 (en) * | 2023-10-02 | 2025-04-10 | Interdigital Ce Patent Holdings, Sas | Isp combination with nspt |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100095992A (ko) * | 2009-02-23 | 2010-09-01 | 한국과학기술원 | 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체 |
| CN106851292A (zh) * | 2010-07-02 | 2017-06-13 | 数码士有限公司 | 用于帧内预测的解码图像的方法 |
| KR102030717B1 (ko) * | 2011-10-18 | 2019-10-10 | 주식회사 케이티 | 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기 |
| US9247254B2 (en) | 2011-10-27 | 2016-01-26 | Qualcomm Incorporated | Non-square transforms in intra-prediction video coding |
| CN104244010B (zh) * | 2013-06-14 | 2018-03-23 | 浙江大学 | 提高数字信号变换性能的方法及数字信号变换方法和装置 |
| KR102638991B1 (ko) * | 2016-03-24 | 2024-02-21 | 엘지전자 주식회사 | 비디오 코딩 시스템에서 인터 예측 방법 및 장치 |
| FR3050598B1 (fr) * | 2016-04-26 | 2020-11-06 | Bcom | Procede de decodage d'une image numerique, procede de codage, dispositifs, et programmes d'ordinateurs associes |
| KR20180001485A (ko) * | 2016-06-24 | 2018-01-04 | 한국전자통신연구원 | 변환 기반의 영상 부호화/복호화 방법 및 장치 |
| US10880564B2 (en) * | 2016-10-01 | 2020-12-29 | Qualcomm Incorporated | Transform selection for video coding |
| WO2018066990A1 (ko) * | 2016-10-04 | 2018-04-12 | 김기백 | 영상 데이터 부호화/복호화 방법 및 장치 |
| US20210127112A1 (en) * | 2017-07-04 | 2021-04-29 | Samsung Electronics Co., Ltd. | Image encoding method and apparatus, and image decoding method and apparatus |
| CA3210247A1 (en) * | 2017-12-15 | 2019-06-20 | Lg Electronics Inc. | Image coding method on basis of transformation and device therefor |
| BR122021019687B1 (pt) * | 2017-12-21 | 2022-05-17 | Lg Electronics Inc | Método de decodificação/codificação de imagem realizado por um aparelho de decodificação/codificação, aparelho de decodificação/codificação para decodificação/codificação de imagem, método e aparelho de transmissão de dados que compreende um fluxo de bits para uma imagem e mídia de armazenamento digital legível por computador não transitória |
| WO2020162737A1 (ko) * | 2019-02-08 | 2020-08-13 | 주식회사 윌러스표준기술연구소 | 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치 |
| US11539952B2 (en) * | 2019-03-12 | 2022-12-27 | Qualcomm Incorporated | Implicit transform selection in video coding |
| AU2020257796B2 (en) * | 2019-04-16 | 2023-11-02 | Lg Electronics Inc. | Transform for matrix-based intra-prediction in image 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 |
| WO2021032045A1 (en) * | 2019-08-17 | 2021-02-25 | Beijing Bytedance Network Technology Co., Ltd. | Context modeling of side information for reduced secondary transforms in video |
| US11206400B2 (en) * | 2019-09-26 | 2021-12-21 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) simplifications |
| US20220394255A1 (en) * | 2019-10-06 | 2022-12-08 | Hyundai Motor Company | Method and device for performing an inverse transform on transform coefficients of a current block |
| US20230142928A1 (en) * | 2020-04-02 | 2023-05-11 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
| CN115668923A (zh) * | 2020-05-27 | 2023-01-31 | 抖音视界有限公司 | 编解码视频中多重变换矩阵的指示 |
| US11924471B2 (en) * | 2020-11-12 | 2024-03-05 | Qualcomm Incorporated | Context-based transform index signaling in video coding |
| EP4325856A4 (en) * | 2021-04-12 | 2025-04-09 | LG Electronics Inc. | Method and apparatus for designing a non-separable low-frequency transformer |
| US12108031B2 (en) * | 2021-04-16 | 2024-10-01 | Tencent America LLC | Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels |
-
2020
- 2020-09-21 PL PL24176203.8T patent/PL4395318T3/pl unknown
- 2020-09-21 CA CA3155433A patent/CA3155433C/en active Active
- 2020-09-21 HR HRP20240943TT patent/HRP20240943T1/hr unknown
- 2020-09-21 CN CN202411947416.4A patent/CN119484822A/zh active Pending
- 2020-09-21 CN CN202411947410.7A patent/CN119484821A/zh active Pending
- 2020-09-21 PL PL20866694.1T patent/PL4017008T3/pl unknown
- 2020-09-21 HU HUE24176203A patent/HUE072498T2/hu unknown
- 2020-09-21 EP EP24176203.8A patent/EP4395318B1/en active Active
- 2020-09-21 RS RS20250756A patent/RS67060B1/sr unknown
- 2020-09-21 EP EP20866694.1A patent/EP4017008B1/en active Active
- 2020-09-21 KR KR1020257031706A patent/KR20250150656A/ko active Pending
- 2020-09-21 WO PCT/KR2020/012707 patent/WO2021054798A1/ko not_active Ceased
- 2020-09-21 CN CN202080072344.7A patent/CN114586353B/zh active Active
- 2020-09-21 ES ES20866694T patent/ES2983826T3/es active Active
- 2020-09-21 KR KR1020227008836A patent/KR102864727B1/ko active Active
- 2020-09-21 CN CN202411947405.6A patent/CN119484820A/zh active Pending
- 2020-09-21 US US17/762,150 patent/US12262015B2/en active Active
- 2020-09-21 HR HRP20250935TT patent/HRP20250935T1/hr unknown
- 2020-09-21 MX MX2022003322A patent/MX2022003322A/es unknown
- 2020-09-21 ES ES24176203T patent/ES3038093T3/es active Active
- 2020-09-21 FI FIEP20866694.1T patent/FI4017008T3/fi active
- 2020-09-21 CA CA3258398A patent/CA3258398A1/en active Pending
- 2020-09-21 HU HUE20866694A patent/HUE067613T2/hu unknown
- 2020-09-21 EP EP25181028.9A patent/EP4589947A3/en active Pending
- 2020-09-21 SI SI202030461T patent/SI4017008T1/sl unknown
- 2020-09-21 CN CN202411947413.0A patent/CN119496894A/zh active Pending
-
2022
- 2022-03-17 MX MX2025009829A patent/MX2025009829A/es unknown
- 2022-03-17 MX MX2025009823A patent/MX2025009823A/es unknown
- 2022-03-17 MX MX2025009824A patent/MX2025009824A/es unknown
- 2022-03-17 MX MX2025009828A patent/MX2025009828A/es unknown
-
2025
- 2025-02-13 US US19/053,222 patent/US20250184495A1/en active Pending
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