TWI796308B - 用於視訊寫碼之適應性運動向量精準度 - Google Patents
用於視訊寫碼之適應性運動向量精準度 Download PDFInfo
- Publication number
- TWI796308B TWI796308B TW106134364A TW106134364A TWI796308B TW I796308 B TWI796308 B TW I796308B TW 106134364 A TW106134364 A TW 106134364A TW 106134364 A TW106134364 A TW 106134364A TW I796308 B TWI796308 B TW I796308B
- Authority
- TW
- Taiwan
- Prior art keywords
- mvd
- precision
- block
- video data
- mvd precision
- Prior art date
Links
- 239000013598 vector Substances 0.000 title claims abstract description 339
- 230000003044 adaptive effect Effects 0.000 title description 16
- 238000000034 method Methods 0.000 claims abstract description 130
- 241000023320 Luma <angiosperm> Species 0.000 claims description 35
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 24
- 230000002123 temporal effect Effects 0.000 claims description 20
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims description 12
- 239000000523 sample Substances 0.000 description 73
- 230000011664 signaling Effects 0.000 description 34
- 238000013139 quantization Methods 0.000 description 28
- 238000005192 partition Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000009795 derivation Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 6
- 238000013138 pruning Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000001364 causal effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- VBRBNWWNRIMAII-WYMLVPIESA-N 3-[(e)-5-(4-ethylphenoxy)-3-methylpent-3-enyl]-2,2-dimethyloxirane Chemical compound C1=CC(CC)=CC=C1OC\C=C(/C)CCC1C(C)(C)O1 VBRBNWWNRIMAII-WYMLVPIESA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000013074 reference sample Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 101001126234 Homo sapiens Phospholipid phosphatase 3 Proteins 0.000 description 1
- 102100030450 Phospholipid phosphatase 3 Human genes 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
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
- H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting 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
- H04N19/10—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
-
- 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
-
- 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
-
- 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
- H04N19/503—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
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- 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
- H04N19/10—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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662404105P | 2016-10-04 | 2016-10-04 | |
| US62/404,105 | 2016-10-04 | ||
| US15/724,044 | 2017-10-03 | ||
| US15/724,044 US10979732B2 (en) | 2016-10-04 | 2017-10-03 | Adaptive motion vector precision for video coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201817238A TW201817238A (zh) | 2018-05-01 |
| TWI796308B true TWI796308B (zh) | 2023-03-21 |
Family
ID=61759108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106134364A TWI796308B (zh) | 2016-10-04 | 2017-10-05 | 用於視訊寫碼之適應性運動向量精準度 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US10979732B2 (enExample) |
| EP (1) | EP3523971B1 (enExample) |
| JP (2) | JP7077310B2 (enExample) |
| KR (1) | KR102621943B1 (enExample) |
| CN (1) | CN109792532B (enExample) |
| BR (1) | BR112019006756A2 (enExample) |
| ES (1) | ES3022203T3 (enExample) |
| PL (1) | PL3523971T3 (enExample) |
| SG (1) | SG11201901365QA (enExample) |
| TW (1) | TWI796308B (enExample) |
| WO (1) | WO2018067672A1 (enExample) |
Families Citing this family (89)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471538B (zh) | 2010-04-13 | 2022-05-17 | Ge视频压缩有限责任公司 | 解码显著性图的装置、方法及编码显著性图的装置 |
| US9749642B2 (en) * | 2014-01-08 | 2017-08-29 | Microsoft Technology Licensing, Llc | Selection of motion vector precision |
| CN116567217A (zh) | 2016-08-11 | 2023-08-08 | Lx 半导体科技有限公司 | 图像编码/解码方法以及图像数据的发送方法 |
| CN109496431A (zh) * | 2016-10-13 | 2019-03-19 | 富士通株式会社 | 图像编码/解码方法、装置以及图像处理设备 |
| KR20180043151A (ko) * | 2016-10-19 | 2018-04-27 | 에스케이텔레콤 주식회사 | 영상 부호화 또는 복호화를 위한 장치 및 방법 |
| US10924730B2 (en) * | 2016-11-07 | 2021-02-16 | Lg Electronics Inc. | Image decoding method and device in image coding system |
| CN109964484B (zh) * | 2016-11-22 | 2021-11-09 | 联发科技股份有限公司 | 视频编码中用于运动向量符号预测的方法及装置 |
| MX2019007219A (es) * | 2016-12-22 | 2019-09-05 | Kt Corp | Metodo y aparato para procesar señales de video. |
| US11272207B2 (en) | 2017-06-12 | 2022-03-08 | Futurewei Technologies, Inc. | Selection and signaling of motion vector (MV) precisions |
| EP3451664A1 (en) * | 2017-09-01 | 2019-03-06 | Thomson Licensing | Motion compensation at a finer precision than motion vector differential |
| US10841794B2 (en) * | 2017-09-18 | 2020-11-17 | Futurewei Technologies, Inc. | Adaptive motion vector resolution |
| CN119031131A (zh) * | 2017-09-28 | 2024-11-26 | 三星电子株式会社 | 编码方法及其设备、解码方法及其设备 |
| CN109587501B (zh) * | 2017-09-28 | 2022-07-12 | 腾讯科技（深圳）有限公司 | 进行运动估计的方法、装置及存储介质 |
| US10582212B2 (en) * | 2017-10-07 | 2020-03-03 | Google Llc | Warped reference motion vectors for video compression |
| US20190246134A1 (en) * | 2018-02-06 | 2019-08-08 | Panasonic Intellectual Property Corporation Of America | Encoding method, decoding method, encoder, and decoder |
| US11012715B2 (en) | 2018-02-08 | 2021-05-18 | Qualcomm Incorporated | Intra block copy for video coding |
| CN112042199B (zh) * | 2018-02-14 | 2024-06-25 | 华为技术有限公司 | 自适应插值滤波器 |
| KR102268089B1 (ko) | 2018-02-28 | 2021-06-22 | 삼성전자주식회사 | 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치 |
| CN118233651A (zh) * | 2018-06-07 | 2024-06-21 | 韦勒斯标准与技术协会公司 | 使用自适应运动矢量分辨率的视频信号处理方法及装置 |
| CN116347099A (zh) * | 2018-06-19 | 2023-06-27 | 北京字节跳动网络技术有限公司 | 没有运动矢量预测截断的选择的运动矢量差精度 |
| KR102608181B1 (ko) * | 2018-07-02 | 2023-11-30 | 엘지전자 주식회사 | 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| WO2020009446A1 (ko) * | 2018-07-02 | 2020-01-09 | 엘지전자 주식회사 | 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| CN119363984A (zh) * | 2018-07-17 | 2025-01-24 | 松下电器（美国）知识产权公司 | 用于视频编码的系统和方法 |
| CN117692632A (zh) * | 2018-07-31 | 2024-03-12 | 寰发股份有限公司 | 用于视频编解码的利用运动向量差的合并方法和装置 |
| WO2020036502A1 (en) * | 2018-08-14 | 2020-02-20 | Huawei Technologies Co., Ltd | Machine-learning-based adaptation of coding parameters for video encoding using motion and object detection |
| JP7747513B2 (ja) * | 2018-08-29 | 2025-10-01 | インターデジタル ヴイシー ホールディングス， インコーポレイテッド | アフィン動きモデルベースのビデオ符号化のための適応動きベクトル精度 |
| WO2020050600A1 (ko) * | 2018-09-03 | 2020-03-12 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US11310520B2 (en) * | 2018-09-04 | 2022-04-19 | Hfi Innovation Inc. | Method and apparatus of motion-vector rounding unification for video coding system |
| CN116033150A (zh) * | 2018-09-08 | 2023-04-28 | 北京字节跳动网络技术有限公司 | 不同视频块尺寸的仿射模式计算 |
| CN112040247B (zh) | 2018-09-10 | 2021-09-21 | 华为技术有限公司 | 视频解码方法、视频解码器以及计算机可读存储介质 |
| WO2020058890A1 (en) | 2018-09-19 | 2020-03-26 | Beijing Bytedance Network Technology Co., Ltd. | Syntax reuse for affine mode with adaptive motion vector resolution |
| KR102613889B1 (ko) * | 2018-09-23 | 2023-12-13 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 적응적 움직임 벡터 해상도를 갖는 움직임 벡터 수정 |
| CN113196751B (zh) | 2018-10-23 | 2023-10-13 | 韦勒斯标准与技术协会公司 | 通过使用基于子块的运动补偿处理视频信号的方法和设备 |
| CN112956202B (zh) | 2018-11-06 | 2024-07-12 | 北京字节跳动网络技术有限公司 | 利用几何分割的帧间预测的扩展 |
| CN112997487B (zh) * | 2018-11-15 | 2024-07-09 | 北京字节跳动网络技术有限公司 | 仿射模式与其他帧间编解码工具之间的协调 |
| CN113039790B (zh) | 2018-11-17 | 2023-04-14 | 北京字节跳动网络技术有限公司 | 视频处理的方法、装置和非暂时性计算机可读介质 |
| US11381825B2 (en) * | 2018-11-27 | 2022-07-05 | Advanced Micro Devices, Inc. | Variable rate rendering based on motion estimation |
| US11197017B2 (en) * | 2018-12-06 | 2021-12-07 | Tencent America LLC | Methods and apparatuses for video coding |
| WO2020125750A1 (en) | 2018-12-21 | 2020-06-25 | Beijing Bytedance Network Technology Co., Ltd. | Motion vector precision in merge with motion vector difference mode |
| BR112021012744A2 (pt) * | 2018-12-28 | 2021-09-08 | Samsung Electronics Co., Ltd. | Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo |
| WO2020140862A1 (en) | 2018-12-30 | 2020-07-09 | Beijing Bytedance Network Technology Co., Ltd. | Conditional application of inter prediction with geometric partitioning in video processing |
| WO2020140907A1 (en) * | 2018-12-31 | 2020-07-09 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between merge with mvd and amvr |
| WO2020142468A1 (en) * | 2018-12-31 | 2020-07-09 | Beijing Dajia Internet Information Technology Co., Ltd. | Picture resolution dependent configurations for video coding |
| CN113302936B (zh) * | 2019-01-07 | 2024-03-19 | 北京字节跳动网络技术有限公司 | 用于具有MVD的Merge的控制方法 |
| CN113273207B (zh) | 2019-01-10 | 2025-08-22 | 北京字节跳动网络技术有限公司 | 基于几何分区的具有运动矢量差（MVD）的Merge |
| WO2020143830A1 (en) * | 2019-01-11 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Integer mv motion compensation |
| WO2020156517A1 (en) * | 2019-01-31 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Fast algorithms for symmetric motion vector difference coding mode |
| JP7235877B2 (ja) * | 2019-01-31 | 2023-03-08 | 北京字節跳動網絡技術有限公司 | アフィンモード適応型動きベクトル解像度を符号化するためのコンテキスト |
| KR102696718B1 (ko) | 2019-02-01 | 2024-08-21 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 조합된 인트라-인터 예측의 확장된 적용 |
| WO2020156538A1 (en) | 2019-02-03 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between mv precisions and mv difference coding |
| 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 |
| CN113826394A (zh) * | 2019-02-27 | 2021-12-21 | 北京字节跳动网络技术有限公司 | 帧内块复制模式下自适应运动矢量差分辨率的改进 |
| US11025948B2 (en) * | 2019-02-28 | 2021-06-01 | Tencent America LLC | Method and apparatus for motion prediction in video coding |
| WO2020180159A1 (ko) * | 2019-03-06 | 2020-09-10 | 엘지전자 주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| CA3132160A1 (en) * | 2019-03-11 | 2020-09-17 | Interdigital Vc Holdings, Inc. | Entropy coding for video encoding and decoding |
| WO2020187328A1 (en) | 2019-03-21 | 2020-09-24 | Beijing Bytedance Network Technology Co., Ltd. | Signaling of combined intra-inter prediction |
| WO2020192747A1 (en) * | 2019-03-27 | 2020-10-01 | Beijing Bytedance Network Technology Co., Ltd. | Motion information precision alignment in affine advanced motion vector prediction |
| WO2020200238A1 (en) | 2019-04-01 | 2020-10-08 | Beijing Bytedance Network Technology Co., Ltd. | Half-pel interpolation filter in inter coding mode |
| WO2020216381A1 (en) | 2019-04-25 | 2020-10-29 | Beijing Bytedance Network Technology Co., Ltd. | Restrictions on motion vector difference |
| KR102662874B1 (ko) | 2019-04-28 | 2024-05-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 대칭 모션 벡터 차이 코딩 |
| CN120602657A (zh) * | 2019-04-30 | 2025-09-05 | 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 |
| WO2020228660A1 (en) | 2019-05-11 | 2020-11-19 | Beijing Bytedance Network Technology Co., Ltd. | Selective use of coding tools in video processing |
| KR20250134727A (ko) | 2019-06-19 | 2025-09-11 | 엘지전자 주식회사 | 현재 블록에 대하여 최종적으로 예측 모드를 선택하지 못하는 경우 인터 예측을 수행하는 영상 디코딩 방법 및 그 장치 |
| CN114026851B (zh) | 2019-06-21 | 2026-01-06 | 交互数字Vc控股公司 | 利用光流的运动补偿的精度细化 |
| CN114026861B (zh) * | 2019-06-25 | 2023-11-17 | 北京字节跳动网络技术有限公司 | 对运动矢量差的约束 |
| CN114080808B (zh) * | 2019-07-06 | 2025-08-01 | 北京达佳互联信息技术有限公司 | 用于视频编解码中的解码器侧运动矢量细化的方法和装置 |
| KR20220088679A (ko) | 2019-08-06 | 2022-06-28 | 오피 솔루션즈, 엘엘씨 | 적응적 해상도 관리 예측 재스케일링 |
| KR20220088680A (ko) | 2019-08-06 | 2022-06-28 | 오피 솔루션즈, 엘엘씨 | 프레임 타입에 기반한 적응적 해상도 관리의 묵시적 시그널링 |
| WO2021026363A1 (en) * | 2019-08-06 | 2021-02-11 | Op Solutions, Llc | Implicit signaling of adaptive resolution management based on frame type |
| JP2022544156A (ja) | 2019-08-06 | 2022-10-17 | オーピー ソリューションズ， エルエルシー | ブロックベースの適応分解能管理 |
| EP3997881A4 (en) | 2019-08-20 | 2022-09-14 | Beijing Bytedance Network Technology Co., Ltd. | SELECTIVE USE OF ALTERNATIVE INTERPOLATION FILTERS IN VIDEO PROCESSING |
| CN117499661A (zh) | 2019-09-09 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 高精度图像和视频编解码的系数缩放 |
| EP4030762A4 (en) | 2019-09-10 | 2023-09-06 | Samsung Electronics Co., Ltd. | IMAGE DECODING DEVICE USING A SET OF TOOLS AND CORRESPONDING IMAGE DECODING METHOD, AND IMAGE ENCODING DEVICE AND CORRESPONDING IMAGE ENCODING METHOD |
| EP4018648A4 (en) | 2019-09-21 | 2022-11-23 | Beijing Bytedance Network Technology Co., Ltd. | HIGH PRECISION TRANSFORMATION AND QUANTIZATION FOR IMAGE AND VIDEO CODING |
| CN112868234A (zh) * | 2019-09-24 | 2021-05-28 | 深圳市大疆创新科技有限公司 | 运动估计方法、系统和存储介质 |
| WO2021068954A1 (en) | 2019-10-12 | 2021-04-15 | Beijing Bytedance Network Technology Co., Ltd. | High level syntax for video coding tools |
| CA3223625A1 (en) | 2019-11-08 | 2021-05-14 | Op Solutions, Llc | Methods and systems for adaptive cropping |
| CN113966614B (zh) * | 2020-03-16 | 2023-05-30 | 北京达佳互联信息技术有限公司 | 具有运动矢量差的合并模式的改进 |
| CN112261413B (zh) * | 2020-10-22 | 2023-10-31 | 北京奇艺世纪科技有限公司 | 视频编码方法、编码装置、电子设备和存储介质 |
| EP4272436A1 (en) | 2020-12-29 | 2023-11-08 | QUALCOMM Incorporated | Template matching in video coding |
| US11758151B2 (en) * | 2020-12-29 | 2023-09-12 | Qualcomm Incorporated | Template matching in video coding |
| US11936877B2 (en) * | 2021-04-12 | 2024-03-19 | Qualcomm Incorporated | Template matching based affine prediction for video coding |
| US12382057B2 (en) | 2021-10-21 | 2025-08-05 | Tencent America LLC | Interdependence between adaptive resolution of motion vector difference and signaling/derivation of motion vector-related parameters |
| WO2023140883A1 (en) * | 2022-01-18 | 2023-07-27 | Tencent America LLC | Interdependence between adaptive resolution of motion vector difference and signaling/derivation of motion vector-related parameters |
| AU2022434642A1 (en) * | 2022-01-24 | 2023-10-19 | Tencent America LLC | Schemes for adjusting adaptive resolution for motion vector difference |
| WO2023219599A1 (en) * | 2022-05-07 | 2023-11-16 | Google Llc | Flexible motion vector precision of video coding |
| US12382082B2 (en) * | 2022-09-09 | 2025-08-05 | Tencent America LLC | Systems and methods for subblock motion vector coding |
| US12407851B2 (en) * | 2022-09-21 | 2025-09-02 | Tencent America LLC | Method and apparatus for implicitly indicating motion vector predictor precision |
| US20240259568A1 (en) * | 2024-04-15 | 2024-08-01 | Intel Corporation | Precision determination and fast candidate selection for merge mode with motion vector difference in video encoding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150195562A1 (en) * | 2014-01-09 | 2015-07-09 | Qualcomm Incorporated | Adaptive motion vector resolution signaling for video coding |
| WO2016068674A1 (ko) * | 2014-10-31 | 2016-05-06 | 삼성전자 주식회사 | 움직임 벡터 부복호화 방법 및 장치 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998042134A1 (fr) * | 1997-03-17 | 1998-09-24 | Mitsubishi Denki Kabushiki Kaisha | Codeur et decodeur d'image, methode de codage et de decodage d'image, et systeme de codage/decodage d'image |
| JP4724351B2 (ja) * | 2002-07-15 | 2011-07-13 | 三菱電機株式会社 | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 |
| WO2011054879A2 (en) * | 2009-11-06 | 2011-05-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Hybrid video coding |
| US10327008B2 (en) * | 2010-10-13 | 2019-06-18 | Qualcomm Incorporated | Adaptive motion vector resolution signaling for video coding |
| US9325991B2 (en) * | 2012-04-11 | 2016-04-26 | Qualcomm Incorporated | Motion vector rounding |
| BR112016017201B1 (pt) * | 2014-01-29 | 2023-09-26 | Hfi Innovation Inc | Método de codificação e decodificação para precisão adaptativa de vetor de movimento de um bloco de dados de vídeo |
| US10057580B2 (en) | 2015-01-30 | 2018-08-21 | Mediatek Inc. | Method and apparatus for entropy coding of source samples with large alphabet |
| CN107809642B (zh) * | 2015-02-16 | 2020-06-16 | 华为技术有限公司 | 用于视频图像编码和解码的方法、编码设备和解码设备 |
| US10547847B2 (en) | 2015-09-24 | 2020-01-28 | Lg Electronics Inc. | AMVR-based image coding method and apparatus in image coding system |
| EP3414900B1 (en) | 2016-03-15 | 2025-08-06 | HFI Innovation Inc. | Method and apparatus of video coding with affine motion compensation |
-
2017
- 2017-10-03 US US15/724,044 patent/US10979732B2/en active Active
- 2017-10-04 SG SG11201901365QA patent/SG11201901365QA/en unknown
- 2017-10-04 EP EP17784520.3A patent/EP3523971B1/en active Active
- 2017-10-04 CN CN201780059794.0A patent/CN109792532B/zh active Active
- 2017-10-04 WO PCT/US2017/055091 patent/WO2018067672A1/en not_active Ceased
- 2017-10-04 PL PL17784520.3T patent/PL3523971T3/pl unknown
- 2017-10-04 KR KR1020197009269A patent/KR102621943B1/ko active Active
- 2017-10-04 ES ES17784520T patent/ES3022203T3/es active Active
- 2017-10-04 JP JP2019517327A patent/JP7077310B2/ja active Active
- 2017-10-04 BR BR112019006756-6A patent/BR112019006756A2/pt active Search and Examination
- 2017-10-05 TW TW106134364A patent/TWI796308B/zh active
-
2022
- 2022-05-18 JP JP2022081653A patent/JP7438265B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150195562A1 (en) * | 2014-01-09 | 2015-07-09 | Qualcomm Incorporated | Adaptive motion vector resolution signaling for video coding |
| WO2016068674A1 (ko) * | 2014-10-31 | 2016-05-06 | 삼성전자 주식회사 | 움직임 벡터 부복호화 방법 및 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201817238A (zh) | 2018-05-01 |
| ES3022203T3 (en) | 2025-05-28 |
| JP2019534626A (ja) | 2019-11-28 |
| SG11201901365QA (en) | 2019-04-29 |
| EP3523971B1 (en) | 2025-04-02 |
| EP3523971C0 (en) | 2025-04-02 |
| EP3523971A1 (en) | 2019-08-14 |
| PL3523971T3 (pl) | 2025-06-02 |
| BR112019006756A2 (pt) | 2019-07-02 |
| US20180098089A1 (en) | 2018-04-05 |
| JP7077310B2 (ja) | 2022-05-30 |
| WO2018067672A1 (en) | 2018-04-12 |
| KR102621943B1 (ko) | 2024-01-05 |
| CN109792532A (zh) | 2019-05-21 |
| JP2022122892A (ja) | 2022-08-23 |
| CN109792532B (zh) | 2023-07-14 |
| KR20190055109A (ko) | 2019-05-22 |
| US10979732B2 (en) | 2021-04-13 |
| JP7438265B2 (ja) | 2024-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI796308B (zh) | 用於視訊寫碼之適應性運動向量精準度 | |
| US11356693B2 (en) | Motion vector coding for video coding | |
| CN109792531B (zh) | 一种编解码视频数据的方法、设备及存储介质 | |
| KR102184063B1 (ko) | 비디오 코딩을 위한 적응 모션 벡터 해상도 시그널링 | |
| CN107409225B (zh) | 视频译码中运动信息推导模式确定 | |
| CN110546956B (zh) | 一种帧间预测的方法及装置 | |
| HK40002586A (en) | Adaptive motion vector precision for video coding | |
| HK40002586B (en) | Adaptive motion vector precision for video coding |