IL301896A - Multicycle side-decoder motion vector refinement - Google Patents
Multicycle side-decoder motion vector refinementInfo
- Publication number
- IL301896A IL301896A IL301896A IL30189623A IL301896A IL 301896 A IL301896 A IL 301896A IL 301896 A IL301896 A IL 301896A IL 30189623 A IL30189623 A IL 30189623A IL 301896 A IL301896 A IL 301896A
- Authority
- IL
- Israel
- Prior art keywords
- block
- pass
- sub
- video data
- motion vector
- Prior art date
Links
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- 238000000034 method Methods 0.000 claims description 229
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- 238000012360 testing method Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
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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
- H04N19/50—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]
-
- 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
-
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063129221P | 2020-12-22 | 2020-12-22 | |
| US17/556,142 US20220201315A1 (en) | 2020-12-22 | 2021-12-20 | Multi-pass decoder-side motion vector refinement |
| PCT/US2021/064537 WO2022140338A1 (en) | 2020-12-22 | 2021-12-21 | Multi-pass decoder-side motion vector refinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL301896A true IL301896A (en) | 2023-06-01 |
Family
ID=79831635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL301896A IL301896A (en) | 2020-12-22 | 2021-12-21 | Multicycle side-decoder motion vector refinement |
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 |
|---|---|---|---|---|
| CN110140355B (zh) * | 2016-12-27 | 2022-03-08 | 联发科技股份有限公司 | 用于视频编解码的双向模板运动向量微调的方法及装置 |
| US11310526B2 (en) * | 2018-01-26 | 2022-04-19 | Mediatek Inc. | Hardware friendly constrained motion vector refinement |
| US11985324B2 (en) * | 2019-03-14 | 2024-05-14 | Hfi Innovation Inc. | Methods and apparatuses of video processing with motion refinement and sub-partition base padding |
-
2021
- 2021-12-21 TW TW110147993A patent/TW202232951A/zh unknown
- 2021-12-21 EP EP21847599.4A patent/EP4268468A1/en active Pending
- 2021-12-21 JP JP2023530281A patent/JP2023554236A/ja active Pending
- 2021-12-21 AU AU2021409783A patent/AU2021409783A1/en active Pending
- 2021-12-21 CA CA3198095A patent/CA3198095A1/en active Pending
- 2021-12-21 WO PCT/US2021/064537 patent/WO2022140338A1/en active Application Filing
- 2021-12-21 MX MX2023007161A patent/MX2023007161A/es unknown
- 2021-12-21 KR KR1020237019946A patent/KR20230123946A/ko unknown
- 2021-12-21 IL IL301896A patent/IL301896A/en 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 |
|---|---|
| AU2021409783A1 (en) | 2023-05-18 |
| CL2023001849A1 (es) | 2024-01-05 |
| MX2023007161A (es) | 2023-06-29 |
| KR20230123946A (ko) | 2023-08-24 |
| CO2023007958A2 (es) | 2023-07-21 |
| CA3198095A1 (en) | 2022-06-30 |
| EP4268468A1 (en) | 2023-11-01 |
| TW202232951A (zh) | 2022-08-16 |
| WO2022140338A1 (en) | 2022-06-30 |
| JP2023554236A (ja) | 2023-12-27 |
| AU2021409783A9 (en) | 2024-02-08 |
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