IL284179B2 - Symmetric motion vector difference coding - Google Patents
Symmetric motion vector difference codingInfo
- Publication number
- IL284179B2 IL284179B2 IL284179A IL28417921A IL284179B2 IL 284179 B2 IL284179 B2 IL 284179B2 IL 284179 A IL284179 A IL 284179A IL 28417921 A IL28417921 A IL 28417921A IL 284179 B2 IL284179 B2 IL 284179B2
- Authority
- IL
- Israel
- Prior art keywords
- smvd
- mvd
- current coding
- coding block
- reference picture
- 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
- H04N19/10—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
- H04N19/10—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
- H04N19/134—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
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
-
- 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
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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862783437P | 2018-12-21 | 2018-12-21 | |
| US201962787321P | 2019-01-01 | 2019-01-01 | |
| US201962792710P | 2019-01-15 | 2019-01-15 | |
| US201962798674P | 2019-01-30 | 2019-01-30 | |
| US201962809308P | 2019-02-22 | 2019-02-22 | |
| PCT/US2019/067527 WO2020132272A1 (en) | 2018-12-21 | 2019-12-19 | Symmetric motion vector difference coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IL284179A IL284179A (en) | 2021-08-31 |
| IL284179B1 IL284179B1 (en) | 2024-02-01 |
| IL284179B2 true IL284179B2 (en) | 2024-06-01 |
Family
ID=69191238
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL284179A IL284179B2 (en) | 2018-12-21 | 2019-12-19 | Symmetric motion vector difference coding |
| IL310462A IL310462B2 (en) | 2018-12-21 | 2019-12-19 | Symmetric motion vector difference coding |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL310462A IL310462B2 (en) | 2018-12-21 | 2019-12-19 | Symmetric motion vector difference coding |
Country Status (8)
| Country | Link |
|---|---|
| US (3) | US11546604B2 (enExample) |
| EP (2) | EP4576783A3 (enExample) |
| JP (2) | JP7697882B2 (enExample) |
| CN (3) | CN113615186B (enExample) |
| FI (1) | FI3900343T3 (enExample) |
| IL (2) | IL284179B2 (enExample) |
| TW (2) | TWI835958B (enExample) |
| WO (1) | WO2020132272A1 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201705749D0 (en) * | 2017-04-10 | 2017-05-24 | Nchain Holdings Ltd | Computer-implemented system and method |
| CN110620932B (zh) | 2018-06-19 | 2022-11-08 | 北京字节跳动网络技术有限公司 | 依赖模式的运动矢量差精度集 |
| JP7212150B2 (ja) | 2018-09-19 | 2023-01-24 | 北京字節跳動網絡技術有限公司 | 適応動きベクトル解像度によるアフィンモードへの構文の使用 |
| CN119676442A (zh) | 2018-12-29 | 2025-03-21 | 华为技术有限公司 | 帧间预测方法、装置以及相应的编码器和解码器 |
| US12316870B2 (en) * | 2019-01-14 | 2025-05-27 | Interdigital Madison Patent Holdings, Sas | Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction |
| US11025936B2 (en) * | 2019-01-25 | 2021-06-01 | Tencent America LLC | Method and apparatus for video coding |
| CN120980252A (zh) * | 2019-01-31 | 2025-11-18 | 北京字节跳动网络技术有限公司 | 对称运动矢量差编解码模式的快速算法 |
| WO2020156516A1 (en) | 2019-01-31 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Context for coding affine mode adaptive motion vector resolution |
| CN121967699A (zh) * | 2019-02-03 | 2026-05-01 | 北京字节跳动网络技术有限公司 | Mv精度和mv差编解码之间的相互作用 |
| CN121173966A (zh) | 2019-02-14 | 2025-12-19 | 北京字节跳动网络技术有限公司 | 解码器侧细化工具的选择性应用 |
| KR102928235B1 (ko) * | 2019-03-08 | 2026-02-19 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| KR102662874B1 (ko) * | 2019-04-28 | 2024-05-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 대칭 모션 벡터 차이 코딩 |
| SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
| EP3977741A4 (en) * | 2019-05-30 | 2023-05-24 | Beijing Dajia Internet Information Technology Co., Ltd. | METHOD AND DEVICE FOR SIGNALING A SYMMETRIC MOTION VECTOR DIFFERENTIAL MODE |
| CN119729013A (zh) * | 2019-06-13 | 2025-03-28 | Lg电子株式会社 | 图像编码/解码方法以及用于发送图像信息的数据的方法 |
| KR102679217B1 (ko) | 2019-06-14 | 2024-06-27 | 엘지전자 주식회사 | 움직임 벡터 차분들을 이용한 영상 코딩 방법 및 장치 |
| CA3145240C (en) | 2019-06-24 | 2024-06-11 | Lg Electronics Inc. | Inter prediction-based image coding method and apparatus |
| KR102793883B1 (ko) * | 2019-06-24 | 2025-04-11 | 엘지전자 주식회사 | 움직임 벡터를 이용한 영상 코딩 방법 및 장치 |
| JP7335365B2 (ja) * | 2019-06-24 | 2023-08-29 | エルジー エレクトロニクス インコーポレイティド | 動きベクトル差分を利用した映像コーディング方法及び装置 |
| US12101502B2 (en) * | 2021-11-19 | 2024-09-24 | Tencent America LLC | Methods and devices for refining motion vector candidates |
| US11943448B2 (en) * | 2021-11-22 | 2024-03-26 | Tencent America LLC | Joint coding of motion vector difference |
| US12160564B2 (en) * | 2022-04-11 | 2024-12-03 | Tencent America LLC | Bilateral matching with affine motion |
| US12388977B2 (en) * | 2022-04-25 | 2025-08-12 | Tencent America LLC | Affine models use in affine bilateral matching |
| US20230396797A1 (en) * | 2022-06-06 | 2023-12-07 | Tencent America LLC | Translational motion vector coding in affine mode |
| US12513326B2 (en) * | 2023-02-01 | 2025-12-30 | Tencent America LLC | Method and apparatus for signaling for compound inter prediction modes |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9503720B2 (en) | 2012-03-16 | 2016-11-22 | Qualcomm Incorporated | Motion vector coding and bi-prediction in HEVC and its extensions |
| US9615090B2 (en) | 2012-12-28 | 2017-04-04 | Qualcomm Incorporated | Parsing syntax elements in three-dimensional video coding |
| US10484686B2 (en) | 2015-01-29 | 2019-11-19 | Vid Scale, Inc. | Palette coding modes and palette flipping |
| EP4040791A1 (en) * | 2015-06-08 | 2022-08-10 | Vid Scale, Inc. | Intra block copy mode for screen content coding |
| WO2017036399A1 (en) * | 2015-09-02 | 2017-03-09 | Mediatek Inc. | Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques |
| US10375413B2 (en) * | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow 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 |
| US11363253B2 (en) * | 2016-05-13 | 2022-06-14 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
| US11638027B2 (en) * | 2016-08-08 | 2023-04-25 | Hfi Innovation, Inc. | Pattern-based motion vector derivation for video coding |
| WO2018097692A2 (ko) * | 2016-11-28 | 2018-05-31 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US10931969B2 (en) * | 2017-01-04 | 2021-02-23 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (BIO) |
| WO2018166357A1 (en) * | 2017-03-16 | 2018-09-20 | Mediatek Inc. | Method and apparatus of motion refinement based on bi-directional optical flow for video coding |
| US10595035B2 (en) | 2017-03-22 | 2020-03-17 | Qualcomm Incorporated | Constraining motion vector information derived by decoder-side motion vector derivation |
| CN107123128B (zh) * | 2017-04-24 | 2019-07-16 | 南京邮电大学 | 一种保证准确性的车辆运动状态估计方法 |
| KR20240154105A (ko) | 2017-05-19 | 2024-10-24 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
| KR102638336B1 (ko) * | 2017-12-14 | 2024-02-19 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치 |
| CN108256511B (zh) * | 2018-03-15 | 2022-03-29 | 太原理工大学 | 基于视频编码码流的人体运动检测方法 |
| JP7212150B2 (ja) * | 2018-09-19 | 2023-01-24 | 北京字節跳動網絡技術有限公司 | 適応動きベクトル解像度によるアフィンモードへの構文の使用 |
| MX2021007225A (es) * | 2018-12-17 | 2021-09-21 | Interdigital Vc Holdings Inc | Combinacion de herramientas de codificacion de diferencia de vector de movimiento con otros modos de movimiento. |
-
2019
- 2019-12-19 EP EP25174829.9A patent/EP4576783A3/en active Pending
- 2019-12-19 IL IL284179A patent/IL284179B2/en unknown
- 2019-12-19 WO PCT/US2019/067527 patent/WO2020132272A1/en not_active Ceased
- 2019-12-19 CN CN201980088741.0A patent/CN113615186B/zh active Active
- 2019-12-19 CN CN202410486252.3A patent/CN118433391A/zh active Pending
- 2019-12-19 EP EP19842668.6A patent/EP3900343B1/en active Active
- 2019-12-19 US US17/416,205 patent/US11546604B2/en active Active
- 2019-12-19 JP JP2021535909A patent/JP7697882B2/ja active Active
- 2019-12-19 IL IL310462A patent/IL310462B2/en unknown
- 2019-12-19 FI FIEP19842668.6T patent/FI3900343T3/fi active
- 2019-12-19 CN CN202410486238.3A patent/CN118433390A/zh active Pending
- 2019-12-20 TW TW108147006A patent/TWI835958B/zh active
- 2019-12-20 TW TW113105213A patent/TWI911646B/zh active
-
2022
- 2022-12-15 US US18/082,525 patent/US12095998B2/en active Active
-
2024
- 2024-08-09 US US18/799,312 patent/US20240406406A1/en active Pending
-
2025
- 2025-02-25 JP JP2025027949A patent/JP2025081627A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN118433391A (zh) | 2024-08-02 |
| JP2025081627A (ja) | 2025-05-27 |
| US20230125740A1 (en) | 2023-04-27 |
| US12095998B2 (en) | 2024-09-17 |
| IL310462B1 (en) | 2025-03-01 |
| TWI911646B (zh) | 2026-01-11 |
| JP7697882B2 (ja) | 2025-06-24 |
| US20240406406A1 (en) | 2024-12-05 |
| EP4576783A3 (en) | 2025-08-13 |
| EP3900343A1 (en) | 2021-10-27 |
| CN113615186A (zh) | 2021-11-05 |
| IL310462B2 (en) | 2025-07-01 |
| TW202038626A (zh) | 2020-10-16 |
| IL284179A (en) | 2021-08-31 |
| EP3900343B1 (en) | 2025-06-18 |
| TW202435617A (zh) | 2024-09-01 |
| EP4576783A2 (en) | 2025-06-25 |
| US11546604B2 (en) | 2023-01-03 |
| FI3900343T3 (fi) | 2025-07-30 |
| IL310462A (en) | 2024-03-01 |
| JP2022516433A (ja) | 2022-02-28 |
| KR20210113187A (ko) | 2021-09-15 |
| IL284179B1 (en) | 2024-02-01 |
| US20220150505A1 (en) | 2022-05-12 |
| CN113615186B (zh) | 2024-05-10 |
| CN118433390A (zh) | 2024-08-02 |
| TWI835958B (zh) | 2024-03-21 |
| WO2020132272A1 (en) | 2020-06-25 |
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