SA522433105B1 - تخالفات ملتفة لإعادة تشكيل صورة مرجعية في تشفير الفيديو - Google Patents
تخالفات ملتفة لإعادة تشكيل صورة مرجعية في تشفير الفيديوInfo
- Publication number
- SA522433105B1 SA522433105B1 SA522433105A SA522433105A SA522433105B1 SA 522433105 B1 SA522433105 B1 SA 522433105B1 SA 522433105 A SA522433105 A SA 522433105A SA 522433105 A SA522433105 A SA 522433105A SA 522433105 B1 SA522433105 B1 SA 522433105B1
- Authority
- SA
- Saudi Arabia
- Prior art keywords
- reference image
- convolutional
- block
- offsets
- video coding
- Prior art date
Links
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
- H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
-
- 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
- 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
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
- H04N19/70—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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
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)
- Color Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962954341P | 2019-12-27 | 2019-12-27 | |
| US17/131,192 US11425420B2 (en) | 2019-12-27 | 2020-12-22 | Wraparound offsets for reference picture resampling in video coding |
| PCT/US2020/066952 WO2021133979A1 (en) | 2019-12-27 | 2020-12-23 | Wraparound offsets for reference picture resampling in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SA522433105B1 true SA522433105B1 (ar) | 2024-02-22 |
Family
ID=76546772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SA522433105A SA522433105B1 (ar) | 2019-12-27 | 2022-06-21 | تخالفات ملتفة لإعادة تشكيل صورة مرجعية في تشفير الفيديو |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11425420B2 (https=) |
| EP (1) | EP4082203A1 (https=) |
| JP (1) | JP2023508368A (https=) |
| KR (1) | KR20220115962A (https=) |
| CN (1) | CN114846796B (https=) |
| IL (1) | IL293447A (https=) |
| SA (1) | SA522433105B1 (https=) |
| TW (1) | TWI893042B (https=) |
| WO (1) | WO2021133979A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120264012B (zh) | 2019-12-17 | 2026-03-31 | 阿里巴巴（中国）有限公司 | 执行环绕运动补偿的方法 |
| US11418804B2 (en) * | 2019-12-31 | 2022-08-16 | Tencent America LLC | Method for wrap around motion compensation with reference picture resampling |
| US11368708B2 (en) * | 2020-01-08 | 2022-06-21 | Tencent America LLC | Method for combination of wrap-around offset and reference picture resampling |
| US11412253B2 (en) * | 2020-02-24 | 2022-08-09 | Alibaba Group Holding Limited | Methods for combining decoder side motion vector refinement with wrap-around motion compensation |
| KR20260041166A (ko) * | 2020-03-26 | 2026-03-26 | 엘지전자 주식회사 | 랩-어라운드 움직임 보상에 기반하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| CN120075459B (zh) * | 2020-03-26 | 2026-01-09 | 阿里巴巴（中国）有限公司 | 用信号通知视频编码数据的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11308610A (ja) * | 1998-04-02 | 1999-11-05 | Daewoo Electronics Co Ltd | 映像信号適応的符号化装置 |
| US10382781B2 (en) * | 2016-09-28 | 2019-08-13 | Qualcomm Incorporated | Interpolation filters for intra prediction in video coding |
| US10643301B2 (en) * | 2017-03-20 | 2020-05-05 | Qualcomm Incorporated | Adaptive perturbed cube map projection |
| US11212438B2 (en) * | 2018-02-14 | 2021-12-28 | Qualcomm Incorporated | Loop filter padding for 360-degree video coding |
| US11252434B2 (en) * | 2018-12-31 | 2022-02-15 | Tencent America LLC | Method for wrap-around padding for omnidirectional media coding |
| US11539939B2 (en) * | 2019-11-27 | 2022-12-27 | Hfi Innovation Inc. | Video processing methods and apparatuses for horizontal wraparound motion compensation in video coding systems |
| CN120264012B (zh) * | 2019-12-17 | 2026-03-31 | 阿里巴巴（中国）有限公司 | 执行环绕运动补偿的方法 |
-
2020
- 2020-12-22 US US17/131,192 patent/US11425420B2/en active Active
- 2020-12-23 IL IL293447A patent/IL293447A/en unknown
- 2020-12-23 CN CN202080088830.8A patent/CN114846796B/zh active Active
- 2020-12-23 WO PCT/US2020/066952 patent/WO2021133979A1/en not_active Ceased
- 2020-12-23 KR KR1020227020803A patent/KR20220115962A/ko not_active Ceased
- 2020-12-23 JP JP2022538851A patent/JP2023508368A/ja active Pending
- 2020-12-23 EP EP20842894.6A patent/EP4082203A1/en active Pending
- 2020-12-24 TW TW109145921A patent/TWI893042B/zh active
-
2022
- 2022-06-21 SA SA522433105A patent/SA522433105B1/ar unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN114846796B (zh) | 2026-04-24 |
| CN114846796A (zh) | 2022-08-02 |
| US11425420B2 (en) | 2022-08-23 |
| KR20220115962A (ko) | 2022-08-19 |
| IL293447A (en) | 2022-07-01 |
| US20210203988A1 (en) | 2021-07-01 |
| TWI893042B (zh) | 2025-08-11 |
| JP2023508368A (ja) | 2023-03-02 |
| WO2021133979A1 (en) | 2021-07-01 |
| EP4082203A1 (en) | 2022-11-02 |
| TW202131676A (zh) | 2021-08-16 |
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