KR20230123946A - 다중 패스 디코더측 모션 벡터 정제 - Google Patents
다중 패스 디코더측 모션 벡터 정제 Download PDFInfo
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- KR20230123946A KR20230123946A KR1020237019946A KR20237019946A KR20230123946A KR 20230123946 A KR20230123946 A KR 20230123946A KR 1020237019946 A KR1020237019946 A KR 1020237019946A KR 20237019946 A KR20237019946 A KR 20237019946A KR 20230123946 A KR20230123946 A KR 20230123946A
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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
- H04N19/50—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
- H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
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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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
-
- 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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
-
- 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
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063129221P | 2020-12-22 | 2020-12-22 | |
| US63/129,221 | 2020-12-22 | ||
| US17/556,142 US20220201315A1 (en) | 2020-12-22 | 2021-12-20 | Multi-pass decoder-side motion vector refinement |
| US17/556,142 | 2021-12-20 | ||
| PCT/US2021/064537 WO2022140338A1 (en) | 2020-12-22 | 2021-12-21 | Multi-pass decoder-side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20230123946A true KR20230123946A (ko) | 2023-08-24 |
Family
ID=79831635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237019946A KR20230123946A (ko) | 2020-12-22 | 2021-12-21 | 다중 패스 디코더측 모션 벡터 정제 |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP4268468A1 (ja) |
| JP (1) | JP2023554236A (ja) |
| KR (1) | KR20230123946A (ja) |
| AU (1) | AU2021409783A1 (ja) |
| CA (1) | CA3198095A1 (ja) |
| CL (1) | CL2023001849A1 (ja) |
| CO (1) | CO2023007958A2 (ja) |
| IL (1) | IL301896A (ja) |
| MX (1) | MX2023007161A (ja) |
| TW (1) | TW202232951A (ja) |
| WO (1) | WO2022140338A1 (ja) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10911761B2 (en) * | 2016-12-27 | 2021-02-02 | Mediatek Inc. | Method and apparatus of bilateral template MV refinement for video coding |
| US11310526B2 (en) * | 2018-01-26 | 2022-04-19 | Mediatek Inc. | Hardware friendly constrained motion vector refinement |
| TWI738248B (zh) * | 2019-03-14 | 2021-09-01 | 聯發科技股份有限公司 | 運動細化以及子分區基礎填充的視訊處理的方法以及裝置 |
-
2021
- 2021-12-21 WO PCT/US2021/064537 patent/WO2022140338A1/en active Application Filing
- 2021-12-21 EP EP21847599.4A patent/EP4268468A1/en active Pending
- 2021-12-21 IL IL301896A patent/IL301896A/en unknown
- 2021-12-21 TW TW110147993A patent/TW202232951A/zh unknown
- 2021-12-21 AU AU2021409783A patent/AU2021409783A1/en active Pending
- 2021-12-21 JP JP2023530281A patent/JP2023554236A/ja active Pending
- 2021-12-21 MX MX2023007161A patent/MX2023007161A/es unknown
- 2021-12-21 CA CA3198095A patent/CA3198095A1/en active Pending
- 2021-12-21 KR KR1020237019946A patent/KR20230123946A/ko unknown
-
2023
- 2023-06-20 CL CL2023001849A patent/CL2023001849A1/es unknown
- 2023-06-20 CO CONC2023/0007958A patent/CO2023007958A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021409783A9 (en) | 2024-02-08 |
| CA3198095A1 (en) | 2022-06-30 |
| MX2023007161A (es) | 2023-06-29 |
| IL301896A (en) | 2023-06-01 |
| CO2023007958A2 (es) | 2023-07-21 |
| AU2021409783A1 (en) | 2023-05-18 |
| CL2023001849A1 (es) | 2024-01-05 |
| JP2023554236A (ja) | 2023-12-27 |
| EP4268468A1 (en) | 2023-11-01 |
| WO2022140338A1 (en) | 2022-06-30 |
| TW202232951A (zh) | 2022-08-16 |
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