PL4030760T3 - Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego - Google Patents
Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowegoInfo
- Publication number
- PL4030760T3 PL4030760T3 PL20863214.1T PL20863214T PL4030760T3 PL 4030760 T3 PL4030760 T3 PL 4030760T3 PL 20863214 T PL20863214 T PL 20863214T PL 4030760 T3 PL4030760 T3 PL 4030760T3
- Authority
- PL
- Poland
- Prior art keywords
- image decoding
- encoding method
- bdof
- transmitting bitstream
- bitstream
- 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
- H04N19/132—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
- H04N19/136—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
- H04N19/134—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
- H04N19/50—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
- H04N19/513—Processing of motion vectors
-
- 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
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
-
- 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
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962898531P | 2019-09-10 | 2019-09-10 | |
| US201962904648P | 2019-09-23 | 2019-09-23 | |
| PCT/KR2020/012153 WO2021049865A1 (ko) | 2019-09-10 | 2020-09-09 | Bdof를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4030760T3 true PL4030760T3 (pl) | 2025-03-03 |
Family
ID=74867156
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL24210102.0T PL4478707T3 (pl) | 2019-09-10 | 2020-09-09 | Urządzenie do kodowania/dekodowania obrazu do przeprowadzania bdof, i urządzenie do przesyłania strumienia bitowego |
| PL20863214.1T PL4030760T3 (pl) | 2019-09-10 | 2020-09-09 | Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL24210102.0T PL4478707T3 (pl) | 2019-09-10 | 2020-09-09 | Urządzenie do kodowania/dekodowania obrazu do przeprowadzania bdof, i urządzenie do przesyłania strumienia bitowego |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US12231644B2 (pl) |
| EP (3) | EP4478707B1 (pl) |
| JP (2) | JP2022547988A (pl) |
| KR (2) | KR20220036966A (pl) |
| CN (1) | CN114365485A (pl) |
| AU (1) | AU2020347025B2 (pl) |
| ES (2) | ES3041014T3 (pl) |
| FI (1) | FI4030760T3 (pl) |
| HR (2) | HRP20250032T1 (pl) |
| HU (1) | HUE070019T2 (pl) |
| PL (2) | PL4478707T3 (pl) |
| RS (1) | RS67179B1 (pl) |
| SI (1) | SI4030760T1 (pl) |
| WO (1) | WO2021049865A1 (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4032300A4 (en) * | 2019-09-20 | 2022-11-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011126283A2 (en) * | 2010-04-05 | 2011-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding video based on internal bit depth increment, and method and apparatus for decoding video based on internal bit depth increment |
| CN104202608B (zh) * | 2012-01-18 | 2020-02-21 | 韩国电子通信研究院 | 视频解码装置 |
| US10560713B2 (en) | 2015-09-24 | 2020-02-11 | Lg Electronics Inc. | Method and apparatus for motion vector refinement-based inter prediction in image coding system |
| US10375413B2 (en) * | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| EP3432578A4 (en) | 2016-03-24 | 2019-11-20 | LG Electronics Inc. | METHOD AND DEVICE FOR INTERPRETING IN A VIDEO CORDING SYSTEM |
| KR102873107B1 (ko) * | 2016-04-25 | 2025-10-17 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측 방법 및 장치 |
| EP3556096B1 (en) | 2016-12-22 | 2024-05-22 | HFI Innovation Inc. | Method and apparatus of motion refinement for video coding |
| US11109062B2 (en) * | 2017-03-16 | 2021-08-31 | Mediatek Inc. | Method and apparatus of motion refinement based on bi-directional optical flow for video coding |
| US10659788B2 (en) * | 2017-11-20 | 2020-05-19 | Google Llc | Block-based optical flow estimation for motion compensated prediction in video coding |
| US11284107B2 (en) | 2017-08-22 | 2022-03-22 | Google Llc | Co-located reference frame interpolation using optical flow estimation |
| CN116744017A (zh) | 2017-08-29 | 2023-09-12 | Sk电信有限公司 | 视频编码装置、视频解码装置和存储比特流的方法 |
| KR102580910B1 (ko) * | 2017-08-29 | 2023-09-20 | 에스케이텔레콤 주식회사 | 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치 |
| CN113330747B (zh) * | 2019-01-14 | 2025-10-17 | 交互数字Vc控股公司 | 利用适应于加权预测的双向光流进行视频编码和解码的方法和装置 |
-
2020
- 2020-09-09 EP EP24210102.0A patent/EP4478707B1/en active Active
- 2020-09-09 AU AU2020347025A patent/AU2020347025B2/en active Active
- 2020-09-09 HR HRP20250032TT patent/HRP20250032T1/hr unknown
- 2020-09-09 KR KR1020227005733A patent/KR20220036966A/ko not_active Ceased
- 2020-09-09 EP EP20863214.1A patent/EP4030760B1/en active Active
- 2020-09-09 RS RS20250879A patent/RS67179B1/sr unknown
- 2020-09-09 KR KR1020247038727A patent/KR20240170971A/ko active Pending
- 2020-09-09 JP JP2022515879A patent/JP2022547988A/ja active Pending
- 2020-09-09 EP EP25187728.8A patent/EP4604518A3/en active Pending
- 2020-09-09 US US17/639,837 patent/US12231644B2/en active Active
- 2020-09-09 SI SI202030566T patent/SI4030760T1/sl unknown
- 2020-09-09 WO PCT/KR2020/012153 patent/WO2021049865A1/ko not_active Ceased
- 2020-09-09 PL PL24210102.0T patent/PL4478707T3/pl unknown
- 2020-09-09 ES ES24210102T patent/ES3041014T3/es active Active
- 2020-09-09 CN CN202080063601.0A patent/CN114365485A/zh active Pending
- 2020-09-09 ES ES20863214T patent/ES3004864T3/es active Active
- 2020-09-09 HU HUE20863214A patent/HUE070019T2/hu unknown
- 2020-09-09 FI FIEP20863214.1T patent/FI4030760T3/fi active
- 2020-09-09 HR HRP20251109TT patent/HRP20251109T1/hr unknown
- 2020-09-09 PL PL20863214.1T patent/PL4030760T3/pl unknown
-
2024
- 2024-07-02 JP JP2024106620A patent/JP2024125405A/ja active Pending
- 2024-08-30 US US18/821,525 patent/US20240422323A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| HRP20251109T1 (hr) | 2025-11-21 |
| JP2022547988A (ja) | 2022-11-16 |
| EP4030760A4 (en) | 2023-09-06 |
| EP4604518A2 (en) | 2025-08-20 |
| EP4604518A3 (en) | 2025-11-05 |
| US20240422323A1 (en) | 2024-12-19 |
| EP4030760A1 (en) | 2022-07-20 |
| AU2024203549A1 (en) | 2024-06-20 |
| EP4478707B1 (en) | 2025-08-13 |
| HRP20250032T1 (hr) | 2025-03-14 |
| US12231644B2 (en) | 2025-02-18 |
| FI4030760T3 (fi) | 2025-01-14 |
| ES3041014T3 (en) | 2025-11-06 |
| CN114365485A (zh) | 2022-04-15 |
| EP4030760B1 (en) | 2024-12-11 |
| EP4478707A3 (en) | 2025-01-29 |
| EP4478707C0 (en) | 2025-08-13 |
| ES3004864T3 (en) | 2025-03-13 |
| SI4030760T1 (sl) | 2025-04-30 |
| EP4478707A2 (en) | 2024-12-18 |
| US20220337842A1 (en) | 2022-10-20 |
| PL4478707T3 (pl) | 2025-12-15 |
| KR20240170971A (ko) | 2024-12-05 |
| HUE070019T2 (hu) | 2025-05-28 |
| KR20220036966A (ko) | 2022-03-23 |
| JP2024125405A (ja) | 2024-09-18 |
| WO2021049865A1 (ko) | 2021-03-18 |
| AU2020347025B2 (en) | 2024-02-29 |
| AU2020347025A1 (en) | 2022-03-24 |
| RS67179B1 (sr) | 2025-09-30 |
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