KR20250173594A - 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 - Google Patents
인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치Info
- Publication number
- KR20250173594A KR20250173594A KR1020257040577A KR20257040577A KR20250173594A KR 20250173594 A KR20250173594 A KR 20250173594A KR 1020257040577 A KR1020257040577 A KR 1020257040577A KR 20257040577 A KR20257040577 A KR 20257040577A KR 20250173594 A KR20250173594 A KR 20250173594A
- Authority
- KR
- South Korea
- Prior art keywords
- ctu
- block
- region
- current block
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- H04N19/42—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
-
- 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
- H04N19/12—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
- H04N19/134—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
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
-
- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
-
- 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
- H04N19/90—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)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Magnetic Heads (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962791862P | 2019-01-13 | 2019-01-13 | |
| US62/791,862 | 2019-01-13 | ||
| US16/502,822 US10701385B1 (en) | 2019-01-13 | 2019-07-03 | Method and apparatus for reference sample memory reuse for intra picture block compensation |
| US16/502,822 | 2019-07-03 | ||
| KR1020227032873A KR20220133319A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| PCT/US2020/013355 WO2020146882A1 (en) | 2019-01-13 | 2020-01-13 | Method and apparatus for reference sample memory reuse for intra picture block compensation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227032873A Division KR20220133319A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20250173594A true KR20250173594A (ko) | 2025-12-10 |
Family
ID=71125099
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020257040577A Pending KR20250173594A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| KR1020227032873A Ceased KR20220133319A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| KR1020217020284A Active KR102447508B1 (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| KR1020257040578A Pending KR20250173595A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227032873A Ceased KR20220133319A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| KR1020217020284A Active KR102447508B1 (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
| KR1020257040578A Pending KR20250173595A (ko) | 2019-01-13 | 2020-01-13 | 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (6) | US10701385B1 (https=) |
| EP (1) | EP3763126A4 (https=) |
| JP (3) | JP7027617B2 (https=) |
| KR (4) | KR20250173594A (https=) |
| CN (2) | CN116016914B (https=) |
| WO (1) | WO2020146882A1 (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2961089C (en) | 2014-09-30 | 2023-03-28 | Microsoft Technology Licensing, Llc | Hash-based encoder decisions for video coding |
| US10848782B2 (en) | 2018-09-21 | 2020-11-24 | Tencent America LLC | Method and apparatus for video coding |
| US10701385B1 (en) | 2019-01-13 | 2020-06-30 | Tencent America LLC | Method and apparatus for reference sample memory reuse for intra picture block compensation |
| US10771799B2 (en) | 2019-01-15 | 2020-09-08 | Tencent America LLC | Method and apparatus for video coding |
| KR102621959B1 (ko) * | 2019-03-04 | 2024-01-05 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 임의의 ctu 크기에 대한 ibc 검색 범위 최적화를 사용하는 인코더, 디코더 및 대응하는 방법 |
| CN114666607B (zh) | 2019-03-09 | 2025-02-07 | 腾讯美国有限责任公司 | 视频编解码方法、装置及介质 |
| WO2021190438A1 (en) | 2020-03-21 | 2021-09-30 | Beijing Bytedance Network Technology Co., Ltd. | Combination of subpictures and scalability |
| KR102902579B1 (ko) | 2020-04-19 | 2025-12-18 | 두인 비전 컴퍼니 리미티드 | 변환 스킵 잔차 코딩 |
| US11202085B1 (en) * | 2020-06-12 | 2021-12-14 | Microsoft Technology Licensing, Llc | Low-cost hash table construction and hash-based block matching for variable-size blocks |
| KR102850965B1 (ko) * | 2020-06-20 | 2025-08-26 | 두인 비전 컴퍼니 리미티드 | 상이한 코딩 블록 크기를 이용한 계층간 예측 |
| CN119545002A (zh) | 2020-08-20 | 2025-02-28 | 腾讯科技（深圳）有限公司 | 视频解码方法、视频编码方法、装置、设备及存储介质 |
| US11496729B2 (en) * | 2020-10-19 | 2022-11-08 | Tencent America LLC | Method and apparatus for video coding |
| US11503336B2 (en) | 2020-12-07 | 2022-11-15 | Tencent America LLC | Method and apparatus for video coding |
| US11979560B2 (en) * | 2021-08-25 | 2024-05-07 | Tencent America LLC | Intra block copy with an adaptive local reference range |
| US12604008B2 (en) * | 2023-11-22 | 2026-04-14 | Tencent America LLC | Adaptive clipping in models parameters derivations methods for video compression |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013228045A1 (en) * | 2013-09-13 | 2015-04-02 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding video data |
| CN105430417B (zh) * | 2014-09-22 | 2020-02-07 | 中兴通讯股份有限公司 | 编码方法、解码方法、装置及电子设备 |
| CN107852499B (zh) * | 2015-04-13 | 2021-05-07 | 联发科技股份有限公司 | 用于视频数据的视频编解码方法 |
| US10848782B2 (en) * | 2018-09-21 | 2020-11-24 | Tencent America LLC | Method and apparatus for video coding |
| US10701385B1 (en) | 2019-01-13 | 2020-06-30 | Tencent America LLC | Method and apparatus for reference sample memory reuse for intra picture block compensation |
-
2019
- 2019-07-03 US US16/502,822 patent/US10701385B1/en active Active
-
2020
- 2020-01-13 EP EP20738615.2A patent/EP3763126A4/en active Pending
- 2020-01-13 KR KR1020257040577A patent/KR20250173594A/ko active Pending
- 2020-01-13 KR KR1020227032873A patent/KR20220133319A/ko not_active Ceased
- 2020-01-13 JP JP2021530179A patent/JP7027617B2/ja active Active
- 2020-01-13 KR KR1020217020284A patent/KR102447508B1/ko active Active
- 2020-01-13 CN CN202310004608.0A patent/CN116016914B/zh active Active
- 2020-01-13 KR KR1020257040578A patent/KR20250173595A/ko active Pending
- 2020-01-13 CN CN202080007690.7A patent/CN113273200B/zh active Active
- 2020-01-13 WO PCT/US2020/013355 patent/WO2020146882A1/en not_active Ceased
- 2020-05-21 US US16/880,578 patent/US11039158B2/en active Active
-
2021
- 2021-05-03 US US17/306,639 patent/US11483581B2/en active Active
-
2022
- 2022-02-16 JP JP2022021896A patent/JP7391121B2/ja active Active
- 2022-09-13 US US17/943,671 patent/US11785240B2/en active Active
-
2023
- 2023-09-05 US US18/461,136 patent/US12167011B2/en active Active
- 2023-11-21 JP JP2023197056A patent/JP7612814B2/ja active Active
-
2024
- 2024-11-15 US US18/948,836 patent/US20250080767A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3763126A4 (en) | 2022-03-02 |
| CN116016914A (zh) | 2023-04-25 |
| US20230412829A1 (en) | 2023-12-21 |
| US20230007289A1 (en) | 2023-01-05 |
| US12167011B2 (en) | 2024-12-10 |
| CN116016914B (zh) | 2025-02-07 |
| KR20220133319A (ko) | 2022-10-04 |
| KR102447508B1 (ko) | 2022-09-27 |
| JP7391121B2 (ja) | 2023-12-04 |
| JP2022508273A (ja) | 2022-01-19 |
| US20200288160A1 (en) | 2020-09-10 |
| CN113273200B (zh) | 2022-11-29 |
| WO2020146882A1 (en) | 2020-07-16 |
| JP7027617B2 (ja) | 2022-03-01 |
| JP2024016276A (ja) | 2024-02-06 |
| US20200228818A1 (en) | 2020-07-16 |
| EP3763126A1 (en) | 2021-01-13 |
| JP2022059032A (ja) | 2022-04-12 |
| JP7612814B2 (ja) | 2025-01-14 |
| US11785240B2 (en) | 2023-10-10 |
| US20210258596A1 (en) | 2021-08-19 |
| US20250080767A1 (en) | 2025-03-06 |
| US11483581B2 (en) | 2022-10-25 |
| KR20250173595A (ko) | 2025-12-10 |
| CN113273200A (zh) | 2021-08-17 |
| US11039158B2 (en) | 2021-06-15 |
| KR20210089785A (ko) | 2021-07-16 |
| US10701385B1 (en) | 2020-06-30 |
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