ZA202100014B - Adaptive control point selection for affine motion model based video coding - Google Patents
Adaptive control point selection for affine motion model based video codingInfo
- Publication number
- ZA202100014B ZA202100014B ZA2021/00014A ZA202100014A ZA202100014B ZA 202100014 B ZA202100014 B ZA 202100014B ZA 2021/00014 A ZA2021/00014 A ZA 2021/00014A ZA 202100014 A ZA202100014 A ZA 202100014A ZA 202100014 B ZA202100014 B ZA 202100014B
- Authority
- ZA
- South Africa
- Prior art keywords
- motion vector
- video coding
- block
- control point
- coding device
- Prior art date
Links
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 title abstract 6
- 230000003044 adaptive effect Effects 0.000 title 1
- 239000013598 vector Substances 0.000 abstract 10
- 230000002123 temporal effect Effects 0.000 abstract 1
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
- H04N19/513—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
- H04N19/169—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
- H04N19/527—Global motion vector estimation
-
- 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
- H04N19/537—Motion estimation other than block-based
- H04N19/54—Motion estimation other than block-based using feature points or meshes
-
- 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
- H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862691770P | 2018-06-29 | 2018-06-29 | |
| US201862734728P | 2018-09-21 | 2018-09-21 | |
| US201862778055P | 2018-12-11 | 2018-12-11 | |
| PCT/US2019/039611 WO2020006304A1 (en) | 2018-06-29 | 2019-06-27 | Adaptive control point selection for affine motion model based video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA202100014B true ZA202100014B (en) | 2023-10-25 |
Family
ID=67263124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2021/00014A ZA202100014B (en) | 2018-06-29 | 2021-01-04 | Adaptive control point selection for affine motion model based video coding |
Country Status (8)
| Country | Link |
|---|---|
| US (3) | US11503328B2 (enExample) |
| EP (1) | EP3815375B1 (enExample) |
| JP (2) | JP7779657B2 (enExample) |
| CN (3) | CN119011869A (enExample) |
| CA (1) | CA3105072A1 (enExample) |
| SG (1) | SG11202012967VA (enExample) |
| WO (1) | WO2020006304A1 (enExample) |
| ZA (1) | ZA202100014B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233660A1 (en) | 2019-05-21 | 2020-11-26 | Beijing Bytedance Network Technology Co., Ltd. | Syntax-based motion candidate derivation in sub-block merge mode |
| CN119484834A (zh) * | 2019-06-19 | 2025-02-18 | Lg 电子株式会社 | 图像编译中指示变换核集的信息的信令 |
| US11432002B2 (en) * | 2019-07-08 | 2022-08-30 | Hyundai Motor Company | Method and apparatus for encoding and decoding video using inter-prediction |
| EP3997869A4 (en) | 2019-08-10 | 2022-10-26 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
| US11317111B2 (en) * | 2019-09-29 | 2022-04-26 | Qualcomm Incorporated | Affine coding with vector clipping |
| CN114631321B (zh) | 2019-10-18 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 子图片与环路滤波之间的相互影响 |
| CN115280774B (zh) | 2019-12-02 | 2025-08-19 | 抖音视界有限公司 | 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质 |
| KR20220157950A (ko) | 2020-03-23 | 2022-11-29 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트 |
| CN114342390B (zh) * | 2020-07-30 | 2022-10-28 | 北京达佳互联信息技术有限公司 | 用于仿射运动补偿的预测细化的方法和装置 |
| US12206861B2 (en) | 2022-01-12 | 2025-01-21 | Tencent America LLC | Motion vector restriction for out-of-frame boundary conditions |
| CN118476227A (zh) | 2022-01-17 | 2024-08-09 | 北京达佳互联信息技术有限公司 | 用于视频编解码中仿射合并模式的候选推导的方法和设备 |
| US12160564B2 (en) * | 2022-04-11 | 2024-12-03 | Tencent America LLC | Bilateral matching with affine motion |
| US12432352B2 (en) * | 2022-10-14 | 2025-09-30 | Qualcomm Incorporated | Bit-length control for linear regression-based affine merge candidate derivation |
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| US7206346B2 (en) | 1997-06-25 | 2007-04-17 | Nippon Telegraph And Telephone Corporation | Motion vector predictive encoding method, motion vector decoding method, predictive encoding apparatus and decoding apparatus, and storage media storing motion vector predictive encoding and decoding programs |
| KR20120088488A (ko) * | 2011-01-31 | 2012-08-08 | 한국전자통신연구원 | 시간적 움직임 벡터 저장 방법 및 그 장치 |
| US9699456B2 (en) * | 2011-07-20 | 2017-07-04 | Qualcomm Incorporated | Buffering prediction data in video coding |
| US9083983B2 (en) * | 2011-10-04 | 2015-07-14 | Qualcomm Incorporated | Motion vector predictor candidate clipping removal for video coding |
| US9762904B2 (en) | 2011-12-22 | 2017-09-12 | Qualcomm Incorporated | Performing motion vector prediction for video coding |
| WO2016008157A1 (en) | 2014-07-18 | 2016-01-21 | Mediatek Singapore Pte. Ltd. | Methods for motion compensation using high order motion model |
| US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| US20190158870A1 (en) * | 2016-01-07 | 2019-05-23 | Mediatek Inc. | Method and apparatus for affine merge mode prediction for video coding system |
| WO2017147765A1 (en) * | 2016-03-01 | 2017-09-08 | Mediatek Inc. | Methods for affine motion compensation |
| EP3414900B1 (en) * | 2016-03-15 | 2025-08-06 | HFI Innovation Inc. | Method and apparatus of video coding with affine motion compensation |
| WO2017156705A1 (en) * | 2016-03-15 | 2017-09-21 | Mediatek Inc. | Affine prediction for video coding |
| JP7026049B2 (ja) | 2016-09-27 | 2022-02-25 | シャープ株式会社 | アフィン動きベクトル導出装置、予測画像生成装置、動画像復号装置、および動画像符号化装置 |
| US20190273943A1 (en) * | 2016-10-10 | 2019-09-05 | Sharp Kabushiki Kaisha | Systems and methods for performing motion compensation for coding of video data |
| US10681370B2 (en) * | 2016-12-29 | 2020-06-09 | Qualcomm Incorporated | Motion vector generation for affine motion model for video coding |
| US10873760B2 (en) * | 2017-04-07 | 2020-12-22 | Futurewei Technologies, Inc. | Motion vector (MV) constraints and transformation constraints in video coding |
| TWI782974B (zh) * | 2017-04-13 | 2022-11-11 | 美商松下電器（美國）知識產權公司 | 解碼裝置、解碼方法及非暫時性電腦可讀取媒體 |
| EP3410717A1 (en) | 2017-05-31 | 2018-12-05 | Thomson Licensing | Methods and apparatus for candidate list pruning |
| US11877001B2 (en) * | 2017-10-10 | 2024-01-16 | Qualcomm Incorporated | Affine prediction in video coding |
| US20190116376A1 (en) * | 2017-10-12 | 2019-04-18 | Qualcomm Incorporated | Motion vector predictors using affine motion model in video coding |
| US11381834B2 (en) * | 2018-04-02 | 2022-07-05 | Hfi Innovation Inc. | Video processing methods and apparatuses for sub-block motion compensation in video coding systems |
| ES3030533T3 (en) * | 2018-06-03 | 2025-06-30 | Lg Electronics Inc | Method and device for processing video signal by using reduced transform |
| US11356702B2 (en) * | 2018-06-06 | 2022-06-07 | Lg Electronics Inc. | Method for performing transform index coding on basis of intra prediction mode, and device therefor |
| US10798394B2 (en) * | 2018-06-27 | 2020-10-06 | Avago Technologies International Sales Pte. Limited | Low complexity affine merge mode for versatile video coding |
| US10863193B2 (en) * | 2018-06-29 | 2020-12-08 | Qualcomm Incorporated | Buffer restriction during motion vector prediction for video coding |
| US10462488B1 (en) * | 2018-07-13 | 2019-10-29 | Tencent America LLC | Method and apparatus for video coding |
| WO2020047132A1 (en) * | 2018-08-29 | 2020-03-05 | Vid Scale, Inc. | Adaptive motion vector precision for affine motion model based video coding |
| US11310520B2 (en) | 2018-09-04 | 2022-04-19 | Hfi Innovation Inc. | Method and apparatus of motion-vector rounding unification for video coding system |
| JP7245323B2 (ja) * | 2018-09-23 | 2023-03-23 | エルジー エレクトロニクス インコーポレイティド | ビデオ信号の符号化／復号化方法及びそのための装置 |
| CN112740663B (zh) * | 2018-09-24 | 2022-06-14 | 华为技术有限公司 | 图像预测方法、装置以及相应的编码器和解码器 |
| ES3047711T3 (en) * | 2018-12-28 | 2025-12-04 | Ericsson Telefon Ab L M | Method and apparatus for selecting transform selection in an encoder and decoder |
| US11089325B2 (en) * | 2019-02-08 | 2021-08-10 | Qualcomm Incorporated | Constrained affine motion inheritance for video coding |
| US10986334B2 (en) * | 2019-03-09 | 2021-04-20 | Tencent America LLC | Method and apparatus for video coding |
| CN120769050A (zh) * | 2019-04-30 | 2025-10-10 | 韦勒斯标准与技术协会公司 | 一种使用自适应运动矢量分辨率处理视频信号的方法和装置 |
| US11032572B2 (en) * | 2019-05-17 | 2021-06-08 | Qualcomm Incorporated | Low-frequency non-separable transform signaling based on zero-out patterns for video coding |
| US11949870B2 (en) * | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
| US11677984B2 (en) * | 2019-08-20 | 2023-06-13 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) signaling |
| US11184617B2 (en) * | 2019-09-19 | 2021-11-23 | Qualcomm Incorporated | Transform unit design for video coding |
| US11153576B2 (en) * | 2019-09-20 | 2021-10-19 | Qualcomm Incorporated | Scaling matrices and signaling for video coding |
| US11206400B2 (en) * | 2019-09-26 | 2021-12-21 | Qualcomm Incorporated | Low-frequency non-separable transform (LFNST) simplifications |
| US11228787B2 (en) * | 2019-11-27 | 2022-01-18 | Mediatek Inc. | Signaling multiple transmission selection |
-
2019
- 2019-06-27 CA CA3105072A patent/CA3105072A1/en active Pending
- 2019-06-27 WO PCT/US2019/039611 patent/WO2020006304A1/en not_active Ceased
- 2019-06-27 CN CN202411208546.6A patent/CN119011869A/zh active Pending
- 2019-06-27 EP EP19739842.3A patent/EP3815375B1/en active Active
- 2019-06-27 CN CN202411208551.7A patent/CN119071502A/zh active Pending
- 2019-06-27 CN CN201980044216.9A patent/CN112335247B/zh active Active
- 2019-06-27 JP JP2020571756A patent/JP7779657B2/ja active Active
- 2019-06-27 US US17/256,769 patent/US11503328B2/en active Active
- 2019-06-27 SG SG11202012967VA patent/SG11202012967VA/en unknown
-
2021
- 2021-01-04 ZA ZA2021/00014A patent/ZA202100014B/en unknown
-
2022
- 2022-11-11 US US17/985,652 patent/US11991384B2/en active Active
-
2024
- 2024-05-20 US US18/668,808 patent/US20240305812A1/en not_active Abandoned
- 2024-07-12 JP JP2024112738A patent/JP7794901B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN119011869A (zh) | 2024-11-22 |
| WO2020006304A1 (en) | 2020-01-02 |
| KR20210038846A (ko) | 2021-04-08 |
| CN112335247A (zh) | 2021-02-05 |
| JP7779657B2 (ja) | 2025-12-03 |
| CN119071502A (zh) | 2024-12-03 |
| CA3105072A1 (en) | 2020-01-02 |
| SG11202012967VA (en) | 2021-01-28 |
| JP2024138494A (ja) | 2024-10-08 |
| US11503328B2 (en) | 2022-11-15 |
| JP7794901B2 (ja) | 2026-01-06 |
| US20240305812A1 (en) | 2024-09-12 |
| US20210274209A1 (en) | 2021-09-02 |
| CN112335247B (zh) | 2024-09-27 |
| EP3815375B1 (en) | 2026-04-22 |
| JP2021529462A (ja) | 2021-10-28 |
| US11991384B2 (en) | 2024-05-21 |
| EP3815375A1 (en) | 2021-05-05 |
| US20230073342A1 (en) | 2023-03-09 |
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