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
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- 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
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Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| US201662404105P | 2016-10-04 | 2016-10-04 | |
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| US15/724,044 US10979732B2 (en) | 2016-10-04 | 2017-10-03 | Adaptive motion vector precision for video coding |
| US15/724,044 | 2017-10-03 |
Publications (2)
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| TW201817238A TW201817238A (zh) | 2018-05-01 |
| TWI796308B true TWI796308B (zh) | 2023-03-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2825200T3 (es) | 2010-04-13 | 2021-05-14 | Ge Video Compression Llc | Codificación de mapas de significado y bloques de coeficiente de transformada |
| 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 |
| WO2018095313A1 (en) * | 2016-11-22 | 2018-05-31 | Mediatek Inc. | Method and apparatus for motion vector sign prediction in video coding |
| KR102543752B1 (ko) * | 2016-12-22 | 2023-06-14 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| 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 |
| 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 |
| KR102365166B1 (ko) | 2017-09-28 | 2022-02-18 | 삼성전자주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
| 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 |
| KR102424189B1 (ko) * | 2018-02-14 | 2022-07-21 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 적응형 보간 필터 |
| CN118368413A (zh) | 2018-02-28 | 2024-07-19 | 三星电子株式会社 | 视频解码方法和设备以及视频编码方法和设备 |
| EP3806461A4 (en) * | 2018-06-07 | 2022-03-16 | Wilus Institute of Standards and Technology Inc. | VIDEO SIGNAL PROCESSING METHOD AND APPARATUS USING ADAPTIVE MOTION VECTOR RESOLUTION |
| TWI746994B (zh) * | 2018-06-19 | 2021-11-21 | 大陸商北京字節跳動網絡技術有限公司 | 用於不同參考列表的不同精確度 |
| WO2020009446A1 (ko) * | 2018-07-02 | 2020-01-09 | 엘지전자 주식회사 | 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| KR102775638B1 (ko) * | 2018-07-02 | 2025-02-28 | 엘지전자 주식회사 | 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| CN119363983A (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 |
| EP3808086B1 (en) * | 2018-08-14 | 2024-10-09 | Huawei Technologies Co., Ltd. | Machine-learning-based adaptation of coding parameters for video encoding using motion and object detection |
| CN112640452B (zh) * | 2018-08-29 | 2024-06-18 | Vid拓展公司 | 用于基于仿射运动模型的视频译码的自适应运动向量精度 |
| KR20200026758A (ko) * | 2018-09-03 | 2020-03-11 | 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 |
| CN117676165A (zh) * | 2018-09-10 | 2024-03-08 | 华为技术有限公司 | 视频解码方法及视频解码器 |
| WO2020058888A1 (en) | 2018-09-19 | 2020-03-26 | Beijing Bytedance Network Technology Co., Ltd. | Mode dependent adaptive motion vector resolution for affine mode coding |
| KR20230161543A (ko) * | 2018-09-23 | 2023-11-27 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 적응적 움직임 벡터 해상도를 갖는 움직임 벡터 수정 |
| CN117156129A (zh) | 2018-10-23 | 2023-12-01 | 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 |
| EP4307678A3 (en) | 2018-11-06 | 2024-05-22 | Beijing Bytedance Network Technology Co., Ltd. | Side information signaling for inter prediction with geometric partitioning |
| WO2020098803A1 (en) * | 2018-11-15 | 2020-05-22 | Beijing Bytedance Network Technology Co., Ltd. | Harmonization between affine mode and other inter coding tools |
| CN113039780B (zh) | 2018-11-17 | 2023-07-28 | 北京字节跳动网络技术有限公司 | 视频处理中用运动矢量差的Merge |
| 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 |
| CN117499668A (zh) | 2018-12-21 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 具有运动矢量差的Merge模式中的运动矢量精度 |
| KR102349457B1 (ko) | 2018-12-28 | 2022-01-10 | 삼성전자주식회사 | 움직임 벡터 차분의 부호화 방법 및 부호화 장치, 및 움직임 벡터 차분의 복호화 방법 및 복호화 장치 |
| 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 |
| CN113498609B (zh) * | 2018-12-31 | 2023-06-20 | 北京达佳互联信息技术有限公司 | 用于视频编解码的依赖图片分辨率的配置 |
| CN113273189B (zh) * | 2018-12-31 | 2024-08-16 | 北京字节跳动网络技术有限公司 | 具有MVD的Merge和AMVR之间的交互 |
| WO2020143643A1 (en) * | 2019-01-07 | 2020-07-16 | Beijing Bytedance Network Technology Co., Ltd. | Control method for merge with mvd |
| CN113273187B (zh) | 2019-01-10 | 2024-07-05 | 北京字节跳动网络技术有限公司 | 基于仿射的具有运动矢量差(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 |
| CN118118659A (zh) * | 2019-01-31 | 2024-05-31 | 北京字节跳动网络技术有限公司 | 记录仿射模式自适应运动矢量分辨率的上下文 |
| JP7259053B2 (ja) | 2019-02-01 | 2023-04-17 | 北京字節跳動網絡技術有限公司 | 複合イントラ‐インター予測の拡張適用 |
| CN113383548A (zh) | 2019-02-03 | 2021-09-10 | 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 |
| PL3909239T3 (pl) | 2019-02-14 | 2025-12-08 | Beijing Bytedance Network Technology Co., Ltd. | Selektywne pod względem rozmiaru zastosowanie narzędzi do udoskonalania po stronie dekodera |
| WO2020173482A1 (en) * | 2019-02-27 | 2020-09-03 | Beijing Bytedance Network Technology Co., Ltd. | Motion vector coding for screen content coding |
| 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 |
| JP7617013B2 (ja) * | 2019-03-11 | 2025-01-17 | インターデイジタル ヴィーシー ホールディングス インコーポレイテッド | ビデオエンコードおよびデコードのためのエントロピー符号化 |
| MX2021010980A (es) | 2019-03-21 | 2021-10-13 | Beijing Bytedance Network Tech Co Ltd | Procesamiento de ponderacion mejorado de intra-interprediccion combinadas. |
| CN113678444B (zh) * | 2019-03-27 | 2023-08-18 | 北京字节跳动网络技术有限公司 | 具有自适应运动矢量分辨率的仿射模式的熵编解码 |
| CN113728633B (zh) | 2019-04-01 | 2022-12-20 | 北京字节跳动网络技术有限公司 | 对基于历史的运动矢量预测使用插值滤波器 |
| KR102700489B1 (ko) | 2019-04-25 | 2024-08-28 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 모션 벡터 차에 대한 제한 |
| ES3042386T3 (en) | 2019-04-28 | 2025-11-20 | Beijing Bytedance Network Tech Co Ltd | Symmetric motion vector difference coding |
| 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 |
| SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
| EP3975556A4 (en) | 2019-06-19 | 2022-08-03 | Lg Electronics Inc. | IMAGE DECODING METHOD FOR PERFORMING INTER-PREDICTION WHEN THE CURRENT BLOCK PREDICTION MODE CANNOT FINALLY BE SELECTED AND ASSOCIATED DEVICE |
| EP4300964A3 (en) | 2019-06-21 | 2024-03-13 | VID SCALE, Inc. | Precision refinement for motion compensation with optical flow |
| EP3973705A4 (en) * | 2019-06-25 | 2022-09-28 | Beijing Bytedance Network Technology Co., Ltd. | RESTRICTIONS ON DIFFERENCE BETWEEN MOVEMENT VECTORS |
| WO2021007133A1 (en) * | 2019-07-06 | 2021-01-14 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and apparatuses for decoder-side motion vector refinement in video coding |
| CN114503581A (zh) | 2019-08-06 | 2022-05-13 | Op方案有限责任公司 | 基于块的自适应分辨率管理 |
| BR112022002204A2 (pt) | 2019-08-06 | 2022-10-18 | Op Solutions Llc | Redimensionamento de previsão de gerenciamento de resolução adaptativa |
| BR112022002154A2 (pt) | 2019-08-06 | 2022-04-19 | Op Solutions Llc | Sinalização implícita de gerenciamento de resolução adaptativa com base no tipo de quadro |
| WO2021026363A1 (en) * | 2019-08-06 | 2021-02-11 | Op Solutions, Llc | Implicit signaling of adaptive resolution management based on frame type |
| KR102635319B1 (ko) | 2019-08-20 | 2024-02-07 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 프로세싱에서 대안적 보간 필터들의 선택적 사용 |
| CN114365490B (zh) | 2019-09-09 | 2024-06-18 | 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 |
| KR102492522B1 (ko) * | 2019-09-10 | 2023-01-27 | 삼성전자주식회사 | 툴 세트를 이용하는 영상 복호화 장치 및 이에 의한 영상 복호화 방법, 및 영상 부호화 장치 및 이에 의한 영상 부호화 방법 |
| CN117376550A (zh) | 2019-09-21 | 2024-01-09 | 北京字节跳动网络技术有限公司 | 用于图像和视频编解码的高精度变换和量化 |
| 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 |
| JP7628533B2 (ja) | 2019-10-12 | 2025-02-10 | 北京字節跳動網絡技術有限公司 | ビデオコーディングツールのための高レベルシンタックス |
| US11006132B1 (en) | 2019-11-08 | 2021-05-11 | Op Solutions, Llc | Methods and systems for adaptive cropping |
| EP3970373A4 (en) * | 2020-03-16 | 2022-08-03 | Beijing Dajia Internet Information Technology Co., Ltd. | IMPROVEMENTS IN A MERGE MODE WITH MOTION VECTOR DIFFERENCES |
| 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 |
| US11758151B2 (en) * | 2020-12-29 | 2023-09-12 | Qualcomm Incorporated | Template matching in video coding |
| EP4272436A1 (en) | 2020-12-29 | 2023-11-08 | 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 |
| US12155839B2 (en) * | 2021-10-21 | 2024-11-26 | Tencent America LLC | Adaptive resolution for single-reference motion vector difference |
| EP4466854A4 (en) * | 2022-01-18 | 2025-12-17 | Tencent America LLC | DEPENDENCE BETWEEN THE ADAPTIVE RESOLUTION OF MOTION VECTOR DIFFERENCES AND SIGNALING/DERIVATION OF MOTION VECTOR-RELATED PARAMETERS |
| WO2023140884A1 (en) * | 2022-01-24 | 2023-07-27 | Tencent America LLC | Schemes for adjusting adaptive resolution for motion vector difference |
| US20250260824A1 (en) * | 2022-05-07 | 2025-08-14 | 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 |
| CN110572643B (zh) * | 2014-01-29 | 2021-11-16 | 联发科技股份有限公司 | 利用自适应运动向量精度的方法和装置 |
| US10057580B2 (en) | 2015-01-30 | 2018-08-21 | Mediatek Inc. | Method and apparatus for entropy coding of source samples with large alphabet |
| CN104661031B (zh) * | 2015-02-16 | 2017-12-22 | 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 |
| EP4614977A3 (en) | 2016-03-15 | 2025-12-03 | 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
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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 |
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