TWI893042B - 視訊編碼中針對參考圖片重取樣的環繞偏移 - Google Patents
視訊編碼中針對參考圖片重取樣的環繞偏移Info
- Publication number
- TWI893042B TWI893042B TW109145921A TW109145921A TWI893042B TW I893042 B TWI893042 B TW I893042B TW 109145921 A TW109145921 A TW 109145921A TW 109145921 A TW109145921 A TW 109145921A TW I893042 B TWI893042 B TW I893042B
- Authority
- TW
- Taiwan
- Prior art keywords
- picture
- block
- video
- video data
- value
- 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
- H04N19/50—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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962954341P | 2019-12-27 | 2019-12-27 | |
| US62/954,341 | 2019-12-27 | ||
| US17/131,192 US11425420B2 (en) | 2019-12-27 | 2020-12-22 | Wraparound offsets for reference picture resampling in video coding |
| US17/131,192 | 2020-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202131676A TW202131676A (zh) | 2021-08-16 |
| TWI893042B true TWI893042B (zh) | 2025-08-11 |
Family
ID=76546772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW109145921A TWI893042B (zh) | 2019-12-27 | 2020-12-24 | 視訊編碼中針對參考圖片重取樣的環繞偏移 |
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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190253622A1 (en) * | 2018-02-14 | 2019-08-15 | Qualcomm Incorporated | Loop filter padding for 360-degree video coding |
Family Cites Families (6)
| 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 |
| 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
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190253622A1 (en) * | 2018-02-14 | 2019-08-15 | Qualcomm Incorporated | Loop filter padding for 360-degree video coding |
Non-Patent Citations (2)
| Title |
|---|
| 網路文獻 Benjamin Bross, Jianle Chen, Shan Liu, Ye-Kui Wang Versatile Video Coding (Draft 7) Joint Video Experts Team (JVET) 2019-11-14; * |
| 網路文獻 Brian Heng, Minhua Zhou, Wade Wan AHG16/AHG8: Proposed Cleanup for Reference Wraparound Joint Video Experts Team (JVET) 26 March 2019 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114846796B (zh) | 2026-04-24 |
| SA522433105B1 (ar) | 2024-02-22 |
| 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 |
| JP2023508368A (ja) | 2023-03-02 |
| WO2021133979A1 (en) | 2021-07-01 |
| EP4082203A1 (en) | 2022-11-02 |
| TW202131676A (zh) | 2021-08-16 |
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