JP7735052B2 - 画像を符号化及び復号する方法及び装置 - Google Patents
画像を符号化及び復号する方法及び装置Info
- Publication number
- JP7735052B2 JP7735052B2 JP2020551820A JP2020551820A JP7735052B2 JP 7735052 B2 JP7735052 B2 JP 7735052B2 JP 2020551820 A JP2020551820 A JP 2020551820A JP 2020551820 A JP2020551820 A JP 2020551820A JP 7735052 B2 JP7735052 B2 JP 7735052B2
- Authority
- JP
- Japan
- Prior art keywords
- motion
- compensated
- block
- image block
- image
- 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.)
- Active
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
- H04N19/50—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
- H04N19/10—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
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 |
|---|---|---|---|
| EP18305457.6A EP3554080A1 (en) | 2018-04-13 | 2018-04-13 | Methods and devices for picture encoding and decoding |
| EP18305457.6 | 2018-04-13 | ||
| PCT/US2019/022894 WO2019199418A1 (en) | 2018-04-13 | 2019-03-19 | Method and a device for picture encoding and decoding |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2021519534A JP2021519534A (ja) | 2021-08-10 |
| JPWO2019199418A5 JPWO2019199418A5 (https=) | 2022-03-11 |
| JP2021519534A5 JP2021519534A5 (https=) | 2022-03-11 |
| JP7735052B2 true JP7735052B2 (ja) | 2025-09-08 |
Family
ID=62046824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020551820A Active JP7735052B2 (ja) | 2018-04-13 | 2019-03-19 | 画像を符号化及び復号する方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11483576B2 (https=) |
| EP (2) | EP3554080A1 (https=) |
| JP (1) | JP7735052B2 (https=) |
| CN (1) | CN111989924B (https=) |
| MX (1) | MX2020010787A (https=) |
| WO (1) | WO2019199418A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3468198A1 (en) * | 2017-10-05 | 2019-04-10 | Thomson Licensing | Method and apparatus for video encoding and decoding based on illumination compensation |
| US20220201295A1 (en) * | 2020-12-21 | 2022-06-23 | Electronics And Telecommunications Research Institute | Method, apparatus and storage medium for image encoding/decoding using prediction |
| US11863774B2 (en) * | 2021-01-15 | 2024-01-02 | Tencent America LLC | Method and apparatus for video coding |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197146A1 (en) | 2016-05-13 | 2017-11-16 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8457203B2 (en) * | 2005-05-26 | 2013-06-04 | Ntt Docomo, Inc. | Method and apparatus for coding motion and prediction weighting parameters |
| US20120063515A1 (en) * | 2010-09-09 | 2012-03-15 | Qualcomm Incorporated | Efficient Coding of Video Parameters for Weighted Motion Compensated Prediction in Video Coding |
| US9667942B2 (en) | 2012-11-20 | 2017-05-30 | Qualcomm Incorporated | Adaptive luminance compensation in three dimensional video coding |
| EP2923491B1 (en) | 2013-04-10 | 2018-10-31 | HFI Innovation Inc. | Method and apparatus for bi-prediction of illumination compensation |
| JP6360053B2 (ja) * | 2013-06-18 | 2018-07-18 | シャープ株式会社 | 照度補償装置、画像復号装置、画像符号化装置 |
| US10887597B2 (en) | 2015-06-09 | 2021-01-05 | Qualcomm Incorporated | Systems and methods of determining illumination compensation parameters for video coding |
| US10477231B2 (en) * | 2015-06-16 | 2019-11-12 | Lg Electronics Inc. | Method and device for predicting block on basis of illumination compensation in image coding system |
| US10375413B2 (en) | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
| WO2017086738A1 (ko) * | 2015-11-19 | 2017-05-26 | 한국전자통신연구원 | 영상 부호화/복호화 방법 및 장치 |
| JP2018056699A (ja) * | 2016-09-27 | 2018-04-05 | 株式会社ドワンゴ | 符号化装置、符号化方法、復号化装置、及び復号化方法 |
| CN117221572A (zh) * | 2016-10-04 | 2023-12-12 | 英迪股份有限公司 | 视频解码方法、图像编码方法以及发送比特流的方法 |
| US10951912B2 (en) * | 2016-10-05 | 2021-03-16 | Qualcomm Incorporated | Systems and methods for adaptive selection of weights for video coding |
-
2018
- 2018-04-13 EP EP18305457.6A patent/EP3554080A1/en not_active Withdrawn
-
2019
- 2019-03-19 MX MX2020010787A patent/MX2020010787A/es unknown
- 2019-03-19 JP JP2020551820A patent/JP7735052B2/ja active Active
- 2019-03-19 EP EP19713337.4A patent/EP3777178B1/en active Active
- 2019-03-19 US US17/047,248 patent/US11483576B2/en active Active
- 2019-03-19 CN CN201980025576.4A patent/CN111989924B/zh active Active
- 2019-03-19 WO PCT/US2019/022894 patent/WO2019199418A1/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197146A1 (en) | 2016-05-13 | 2017-11-16 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3777178A1 (en) | 2021-02-17 |
| MX2020010787A (es) | 2020-10-28 |
| CN111989924A (zh) | 2020-11-24 |
| WO2019199418A1 (en) | 2019-10-17 |
| CN111989924B (zh) | 2024-11-29 |
| EP3777178B1 (en) | 2025-10-29 |
| US11483576B2 (en) | 2022-10-25 |
| US20210168384A1 (en) | 2021-06-03 |
| JP2021519534A (ja) | 2021-08-10 |
| EP3554080A1 (en) | 2019-10-16 |
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