KR20240090347A - Jmvd를 위한 쌍방 정합 기반 스케일링 인자 도출 - Google Patents
Jmvd를 위한 쌍방 정합 기반 스케일링 인자 도출 Download PDFInfo
- Publication number
- KR20240090347A KR20240090347A KR1020247015181A KR20247015181A KR20240090347A KR 20240090347 A KR20240090347 A KR 20240090347A KR 1020247015181 A KR1020247015181 A KR 1020247015181A KR 20247015181 A KR20247015181 A KR 20247015181A KR 20240090347 A KR20240090347 A KR 20240090347A
- Authority
- KR
- South Korea
- Prior art keywords
- motion vector
- coding
- prediction
- mvd
- scaling factors
- 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
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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
- H04N19/513—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
- H04N19/10—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
- H04N19/124—Quantisation
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202263332563P | 2022-04-19 | 2022-04-19 | |
| US63/332,563 | 2022-04-19 | ||
| US17/982,171 US11936903B2 (en) | 2022-04-19 | 2022-11-07 | Bilateral matching based scaling factor derivation for JMVD |
| US17/982,171 | 2022-11-07 | ||
| PCT/US2022/049238 WO2023204849A1 (en) | 2022-04-19 | 2022-11-08 | Bilateral matching based scaling factor derivation for jmvd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20240090347A true KR20240090347A (ko) | 2024-06-21 |
Family
ID=88307379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020247015181A Pending KR20240090347A (ko) | 2022-04-19 | 2022-11-08 | Jmvd를 위한 쌍방 정합 기반 스케일링 인자 도출 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11936903B2 (enExample) |
| EP (1) | EP4512088A4 (enExample) |
| JP (1) | JP2025513132A (enExample) |
| KR (1) | KR20240090347A (enExample) |
| CN (1) | CN117256146B (enExample) |
| WO (1) | WO2023204849A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12549735B2 (en) * | 2022-06-20 | 2026-02-10 | Tencent America LLC | Bilateral matching for compound reference mode |
| US12047586B2 (en) * | 2022-07-20 | 2024-07-23 | Tencent America LLC | Method and apparatus for inter prediction mode dependent scaling factors |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2769549A1 (en) * | 2011-10-21 | 2014-08-27 | Dolby Laboratories Licensing Corporation | Hierarchical motion estimation for video compression and motion analysis |
| US20130170553A1 (en) | 2012-01-04 | 2013-07-04 | Qualcomm Incorporated | Coding motion vector difference |
| US9854253B2 (en) | 2014-06-30 | 2017-12-26 | Qualcomm Incorporated | Method for motion vector difference (MVD) and intra block copy vector difference (BVD) coding of screen content video data |
| KR102480191B1 (ko) | 2016-05-13 | 2022-12-21 | 브이아이디 스케일, 인크. | 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법 |
| US10448010B2 (en) | 2016-10-05 | 2019-10-15 | Qualcomm Incorporated | Motion vector prediction for affine motion models in video coding |
| US10701391B2 (en) | 2017-03-23 | 2020-06-30 | Qualcomm Incorporated | Motion vector difference (MVD) prediction |
| WO2019216736A1 (ko) * | 2018-05-11 | 2019-11-14 | 엘지전자 주식회사 | 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
| US11310515B2 (en) * | 2018-11-14 | 2022-04-19 | Tencent America LLC | Methods and apparatus for improvement for intra-inter prediction mode |
| US11025948B2 (en) * | 2019-02-28 | 2021-06-01 | Tencent America LLC | Method and apparatus for motion prediction in video coding |
| US11516476B2 (en) | 2020-07-10 | 2022-11-29 | Sharp Kabushiki Kaisha | Systems and methods for deriving a motion vector difference in video coding |
| US12052437B2 (en) * | 2022-04-06 | 2024-07-30 | Tencent America LLC | Systems and methods for explicit signaling of scaling factors for joint coding of motion vector difference |
| US12641217B2 (en) * | 2022-04-07 | 2026-05-26 | Tencent America LLC | Systems and methods for joint coding of motion vector difference using template matching based scaling factor derivation |
-
2022
- 2022-11-07 US US17/982,171 patent/US11936903B2/en active Active
- 2022-11-08 CN CN202280026285.9A patent/CN117256146B/zh active Active
- 2022-11-08 KR KR1020247015181A patent/KR20240090347A/ko active Pending
- 2022-11-08 JP JP2024516511A patent/JP2025513132A/ja active Pending
- 2022-11-08 EP EP22929214.9A patent/EP4512088A4/en active Pending
- 2022-11-08 WO PCT/US2022/049238 patent/WO2023204849A1/en not_active Ceased
-
2024
- 2024-02-02 US US18/430,995 patent/US12537972B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4512088A1 (en) | 2025-02-26 |
| US12537972B2 (en) | 2026-01-27 |
| EP4512088A4 (en) | 2026-03-11 |
| US11936903B2 (en) | 2024-03-19 |
| JP2025513132A (ja) | 2025-04-24 |
| US20230336771A1 (en) | 2023-10-19 |
| WO2023204849A1 (en) | 2023-10-26 |
| US20240244250A1 (en) | 2024-07-18 |
| CN117256146A (zh) | 2023-12-19 |
| CN117256146B (zh) | 2026-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20240507 Patent event code: PA01051R01D Comment text: International Patent Application |
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| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20240517 Comment text: Request for Examination of Application |
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| PG1501 | Laying open of application |