TW201715891A - 用於視訊寫碼之改良雙向光流 - Google Patents
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562233846P | 2015-09-28 | 2015-09-28 | |
| US15/277,433 US10375413B2 (en) | 2015-09-28 | 2016-09-27 | Bi-directional optical flow for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201715891A true TW201715891A (zh) | 2017-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| TW105131398A TW201715891A (zh) | 2015-09-28 | 2016-09-29 | 用於視訊寫碼之改良雙向光流 |
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| US (1) | US10375413B2 (https=) |
| EP (1) | EP3357241B1 (https=) |
| JP (1) | JP6676156B2 (https=) |
| KR (1) | KR102136973B1 (https=) |
| CN (1) | CN108028929B (https=) |
| BR (1) | BR112018006266B1 (https=) |
| CA (1) | CA3000391A1 (https=) |
| TW (1) | TW201715891A (https=) |
| WO (1) | WO2017058899A1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832858A (zh) * | 2017-07-03 | 2020-02-21 | Vid拓展公司 | 基于双向光流的运动补偿预测 |
| US20240236296A9 (en) * | 2021-02-19 | 2024-07-11 | Orange | Method for determining an image coding mode |
Families Citing this family (98)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107925775A (zh) * | 2015-09-02 | 2018-04-17 | 联发科技股份有限公司 | 基于双向预测光流技术的视频编解码的运动补偿方法及装置 |
| EP3398331A4 (en) * | 2016-02-05 | 2019-04-10 | Mediatek Inc. | METHOD AND APPARATUS FOR MOTION COMPENSATION BASED ON BIDIRECTIONAL OPTICAL FLUSH TECHNOLOGIES FOR VIDEO CODING |
| US11095898B2 (en) * | 2016-03-28 | 2021-08-17 | Lg Electronics Inc. | Inter-prediction mode based image processing method, and apparatus therefor |
| KR102873107B1 (ko) * | 2016-04-25 | 2025-10-17 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측 방법 및 장치 |
| MX2019000506A (es) * | 2016-07-14 | 2019-03-28 | Samsung Electronics Co Ltd | Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello. |
| KR102409430B1 (ko) * | 2017-04-24 | 2022-06-15 | 에스케이텔레콤 주식회사 | 움직임 보상을 위한 옵티컬 플로우 추정 방법 및 장치 |
| CN116708828A (zh) | 2017-04-24 | 2023-09-05 | Sk电信有限公司 | 编解码视频数据的方法、发送编码视频数据比特流的方法 |
| KR20240037382A (ko) * | 2017-04-27 | 2024-03-21 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
| JP2018191136A (ja) * | 2017-05-02 | 2018-11-29 | キヤノン株式会社 | 符号化装置、符号化方法およびプログラム |
| AU2018271194B2 (en) | 2017-05-17 | 2021-04-08 | Kt Corporation | Method and device for video signal processing |
| WO2018212111A1 (ja) * | 2017-05-19 | 2018-11-22 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
| EP3410717A1 (en) * | 2017-05-31 | 2018-12-05 | Thomson Licensing | Methods and apparatus for candidate list pruning |
| WO2018221631A1 (ja) * | 2017-06-02 | 2018-12-06 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法および復号方法 |
| CN117097890A (zh) * | 2017-06-05 | 2023-11-21 | 松下电器（美国）知识产权公司 | 解码装置、编码装置、存储介质、解码方法和编码方法 |
| US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
| WO2019009567A1 (ko) * | 2017-07-03 | 2019-01-10 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치 |
| US10757442B2 (en) * | 2017-07-05 | 2020-08-25 | Qualcomm Incorporated | Partial reconstruction based template matching for motion vector derivation |
| US11284107B2 (en) | 2017-08-22 | 2022-03-22 | Google Llc | Co-located reference frame interpolation using optical flow estimation |
| US10659788B2 (en) | 2017-11-20 | 2020-05-19 | Google Llc | Block-based optical flow estimation for motion compensated prediction in video coding |
| KR102400078B1 (ko) * | 2017-08-22 | 2022-05-18 | 구글 엘엘씨 | 비디오 코딩에서 모션 보상 예측을 위한 광흐름 추정 |
| US11917128B2 (en) | 2017-08-22 | 2024-02-27 | Google Llc | Motion field estimation based on motion trajectory derivation |
| CN116744018A (zh) * | 2017-08-29 | 2023-09-12 | Sk电信有限公司 | 视频编码方法、视频解码方法和传输比特流的方法 |
| KR102580910B1 (ko) * | 2017-08-29 | 2023-09-20 | 에스케이텔레콤 주식회사 | 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치 |
| KR102595689B1 (ko) | 2017-09-29 | 2023-10-30 | 인텔렉추얼디스커버리 주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| CN118158436A (zh) * | 2017-09-29 | 2024-06-07 | 英迪股份有限公司 | 对图像进行解码的方法、对图像进行编码的方法以及用于发送通过对图像进行编码的方法生成的比特流的方法 |
| KR20260044943A (ko) * | 2017-12-08 | 2026-04-02 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 이미지 인코딩 장치, 이미지 디코딩 장치, 이미지 인코딩 방법 및 이미지 디코딩 방법 |
| CN118264800A (zh) | 2017-12-14 | 2024-06-28 | Lg电子株式会社 | 解码和编码设备及发送用于图像的数据的设备 |
| CN108040217B (zh) * | 2017-12-20 | 2020-01-24 | 深圳岚锋创视网络科技有限公司 | 一种视频解码的方法、装置及相机 |
| EP3518543A1 (en) * | 2018-01-26 | 2019-07-31 | Thomson Licensing | Illumination compensation flag in frame rate up-conversion with template matching |
| EP3751855A4 (en) * | 2018-02-06 | 2021-03-10 | Panasonic Intellectual Property Corporation of America | CODING DEVICE, DECODING DEVICE, CODING METHOD AND DECODING METHOD |
| CN113923455B (zh) * | 2018-03-30 | 2023-07-18 | 华为技术有限公司 | 一种双向帧间预测方法及装置 |
| JP2021520710A (ja) | 2018-04-06 | 2021-08-19 | ヴィド スケール インコーポレイテッド | 簡易化された勾配導出による双方向オプティカルフロー方法 |
| US10958928B2 (en) * | 2018-04-10 | 2021-03-23 | Qualcomm Incorporated | Decoder-side motion vector derivation for video coding |
| US11457233B2 (en) * | 2018-04-12 | 2022-09-27 | Arris Enterprises Llc | Motion information storage for video coding and signaling |
| EP3554080A1 (en) | 2018-04-13 | 2019-10-16 | InterDigital VC Holdings, Inc. | Methods and devices for picture encoding and decoding |
| WO2019204234A1 (en) * | 2018-04-15 | 2019-10-24 | Arris Enterprises Llc | Unequal weight planar motion vector derivation |
| CN110392282B (zh) * | 2018-04-18 | 2022-01-07 | 阿里巴巴（中国）有限公司 | 一种视频插帧的方法、计算机存储介质及服务器 |
| GB2588004B (en) * | 2018-06-05 | 2023-03-01 | Beijing Bytedance Network Tech Co Ltd | Interaction between IBC and affine |
| CN112272952B (zh) * | 2018-06-11 | 2022-07-01 | 寰发股份有限公司 | 用于视频编解码的双向光流的方法以及装置 |
| WO2019244117A1 (en) | 2018-06-21 | 2019-12-26 | Beijing Bytedance Network Technology Co., Ltd. | Unified constrains for the merge affine mode and the non-merge affine mode |
| WO2019244119A1 (en) | 2018-06-21 | 2019-12-26 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block mv inheritance between color components |
| GB2590228B (en) | 2018-08-04 | 2023-04-05 | Beijing Bytedance Network Tech Co Ltd | Clipping of updated MV or derived MV |
| CN112930684B (zh) * | 2018-08-17 | 2023-10-13 | 寰发股份有限公司 | 在视频编解码系统中利用双向预测处理视频的方法、设备 |
| TWI846727B (zh) * | 2018-09-06 | 2024-07-01 | 大陸商北京字節跳動網絡技術有限公司 | 兩步幀間預測 |
| ES2984932T3 (es) | 2018-09-13 | 2024-10-31 | Huawei Tech Co Ltd | Aparato y método para refinamiento condicional de vector de movimiento del lado del decodificador en codificación de vídeo |
| US11665365B2 (en) | 2018-09-14 | 2023-05-30 | Google Llc | Motion prediction coding with coframe motion vectors |
| CN110944193B (zh) | 2018-09-24 | 2023-08-11 | 北京字节跳动网络技术有限公司 | 视频编码和解码中的加权双向预测 |
| TW202029755A (zh) | 2018-09-26 | 2020-08-01 | 美商Ｖｉｄ衡器股份有限公司 | 視訊編碼雙預測 |
| WO2020070612A1 (en) * | 2018-10-06 | 2020-04-09 | Beijing Bytedance Network Technology Co., Ltd. | Improvement for temporal gradient calculating in bio |
| CN111083492B (zh) | 2018-10-22 | 2024-01-12 | 北京字节跳动网络技术有限公司 | 双向光流中的梯度计算 |
| WO2020084476A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block based prediction |
| CN111131830B (zh) | 2018-10-31 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 重叠块运动补偿的改进 |
| CN118694931B (zh) | 2018-11-05 | 2025-12-02 | 北京字节跳动网络技术有限公司 | 编解码视频数据的方法、装置及计算机可读存储介质 |
| WO2020094151A1 (en) | 2018-11-10 | 2020-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Rounding in pairwise average candidate calculations |
| CN111436230B (zh) | 2018-11-12 | 2024-10-11 | 北京字节跳动网络技术有限公司 | 仿射预测的带宽控制方法 |
| JP7241870B2 (ja) | 2018-11-20 | 2023-03-17 | 北京字節跳動網絡技術有限公司 | 部分的な位置に基づく差分計算 |
| CN113170093B (zh) | 2018-11-20 | 2023-05-02 | 北京字节跳动网络技术有限公司 | 视频处理中的细化帧间预测 |
| KR102913691B1 (ko) * | 2018-11-21 | 2026-01-15 | 인터디지털 브이씨 홀딩스 인코포레이티드 | 화상 인코딩 및 디코딩을 위한 방법 및 디바이스 |
| US11394989B2 (en) | 2018-12-10 | 2022-07-19 | Tencent America LLC | Method and apparatus for video coding |
| WO2020119525A1 (zh) * | 2018-12-13 | 2020-06-18 | 华为技术有限公司 | 一种帧间预测的方法及装置 |
| CN115834904A (zh) * | 2018-12-13 | 2023-03-21 | 华为技术有限公司 | 一种帧间预测的方法及装置 |
| US11546604B2 (en) * | 2018-12-21 | 2023-01-03 | Vid Scale, Inc. | Symmetric motion vector difference coding |
| CN119922305A (zh) | 2018-12-21 | 2025-05-02 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
| JP7257524B2 (ja) | 2019-01-02 | 2023-04-13 | テレフオンアクチーボラゲット エルエム エリクソン（パブル） | ビデオエンコーディング／デコーディングシステムにおけるサイド動き精細化 |
| JP7474262B2 (ja) * | 2019-01-06 | 2024-04-24 | ベイジン・ダジア・インターネット・インフォメーション・テクノロジー・カンパニー，リミテッド | 双方向オプティカルフローに対するビット幅制御 |
| MX2021008389A (es) | 2019-01-09 | 2023-01-27 | Beijing Dajia Internet Information Tech Co Ltd | Sistema y metodo para mejorar la inter e intraprediccion combinada. |
| CN113542748B (zh) * | 2019-01-09 | 2023-07-11 | 北京达佳互联信息技术有限公司 | 视频编解码方法、设备和非暂时性计算机可读存储介质 |
| CN113366831B (zh) * | 2019-01-13 | 2024-04-05 | 北京字节跳动网络技术有限公司 | 重叠块运动补偿和其他工具之间的协调 |
| WO2020177684A1 (en) * | 2019-03-03 | 2020-09-10 | Beijing Bytedance Network Technology Co., Ltd. | Enabling dmvr based on the information in the picture header |
| JP2022521554A (ja) | 2019-03-06 | 2022-04-08 | 北京字節跳動網絡技術有限公司 | 変換された片予測候補の利用 |
| KR102616680B1 (ko) | 2019-03-08 | 2023-12-20 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 인터 예측을 위한 인코더, 디코더 및 대응하는 방법 |
| US11206425B2 (en) * | 2019-03-11 | 2021-12-21 | Alibaba Group Holding Limited | Inter prediction methods for coding video data |
| ES2957801T3 (es) | 2019-03-12 | 2024-01-25 | Lg Electronics Inc | Método y dispositivo de inter predicción basándose en DMVR y BDOF |
| JP7092951B2 (ja) * | 2019-03-12 | 2022-06-28 | ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド | ビデオ符号化方法、コンピューティングデバイス、非一時的コンピュータ可読記憶媒体、及びプログラム |
| KR102850505B1 (ko) | 2019-03-15 | 2025-08-25 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 양방향 광 흐름을 위한 비트-폭 제어를 위한 방법 및 디바이스 |
| WO2020200269A1 (en) | 2019-04-02 | 2020-10-08 | Beijing Bytedance Network Technology Co., Ltd. | Decoder side motion vector derivation |
| US11039150B2 (en) * | 2019-04-19 | 2021-06-15 | Tencent America LLC | Method and apparatus for video coding |
| KR20250143124A (ko) | 2019-04-25 | 2025-09-30 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 광학 흐름에 의한 예측 미세화 방법 및 장치 |
| CN119967163A (zh) * | 2019-05-02 | 2025-05-09 | 皇家飞利浦有限公司 | 图像信号编码/解码方法及其装置 |
| EP4221225B1 (en) * | 2019-05-15 | 2024-05-29 | Huawei Technologies Co., Ltd. | Handling of bi-directional optical flow (bio) coding tool for reference picture resampling in video coding |
| WO2020233659A1 (en) | 2019-05-21 | 2020-11-26 | Beijing Bytedance Network Technology Co., Ltd. | Adaptive motion vector difference resolution for affine mode |
| US11089328B2 (en) * | 2019-05-22 | 2021-08-10 | Qualcomm Incorporated | Bi-directional optical flow in video coding |
| CN120343267A (zh) | 2019-06-21 | 2025-07-18 | 松下电器（美国）知识产权公司 | 编码装置、解码装置和非暂时性计算机可读介质 |
| CN113411595B (zh) | 2019-06-21 | 2022-05-31 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置及其设备 |
| CN117336468A (zh) | 2019-08-10 | 2024-01-02 | 北京字节跳动网络技术有限公司 | 视频比特流中的子图片相关信令通知 |
| KR102773340B1 (ko) | 2019-08-22 | 2025-02-25 | 엘지전자 주식회사 | 가중 예측을 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| CN114365485B (zh) * | 2019-09-10 | 2026-03-27 | 诺基亚技术有限公司 | 用于执行bdof的图像编码/解码方法和装置及用于发送比特流的方法 |
| JP7305883B2 (ja) * | 2019-09-17 | 2023-07-10 | ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド | Ｐｒｏｆ（ｐｒｅｄｉｃｔｉｏｎ ｒｅｆｉｎｅｍｅｎｔ ｗｉｔｈ ｏｐｔｉｃａｌ ｆｌｏｗ）の方法および装置 |
| JP6960969B2 (ja) * | 2019-09-20 | 2021-11-05 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| US12200190B2 (en) | 2019-09-23 | 2025-01-14 | Interdigtal Vc Holdings, Inc. | Switching logic for bi-directional optical flow |
| CN110572677B (zh) * | 2019-09-27 | 2023-10-24 | 腾讯科技（深圳）有限公司 | 视频编解码方法和装置、存储介质及电子装置 |
| CN112154356B (zh) * | 2019-09-27 | 2024-03-15 | 深圳市大疆创新科技有限公司 | 点云数据处理方法及其装置、激光雷达、可移动平台 |
| EP4032290A4 (en) | 2019-10-18 | 2022-11-30 | Beijing Bytedance Network Technology Co., Ltd. | SYNTAX RESTRICTIONS IN PARAMETER SET SIGNALING OF SUBPICTURES |
| CN112135145B (zh) * | 2019-11-14 | 2022-01-25 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置及其设备 |
| 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 |
| WO2021190464A1 (en) | 2020-03-23 | 2021-09-30 | Beijing Bytedance Network Technology Co., Ltd. | Controlling deblocking filtering at different levels in coded video |
| CN111970517B (zh) * | 2020-07-29 | 2023-07-28 | 浙江大华技术股份有限公司 | 基于双向光流的帧间预测方法、编码方法及相关装置 |
| CN117337567A (zh) * | 2021-04-21 | 2024-01-02 | 抖音视界有限公司 | 用于视频处理的方法、设备和介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1982518A4 (en) * | 2006-01-12 | 2010-06-16 | Lg Electronics Inc | PROCESSING MORE VIEW VIDEO |
| US8917769B2 (en) * | 2009-07-03 | 2014-12-23 | Intel Corporation | Methods and systems to estimate motion based on reconstructed reference frames at a video decoder |
| US20130083851A1 (en) * | 2010-04-06 | 2013-04-04 | Samsung Electronics Co., Ltd. | Method and apparatus for video encoding and method and apparatus for video decoding |
| US10841573B2 (en) | 2011-02-08 | 2020-11-17 | Sun Patent Trust | Methods and apparatuses for encoding and decoding video using multiple reference pictures |
| US20130208795A1 (en) * | 2012-02-09 | 2013-08-15 | Google Inc. | Encoding motion vectors for video compression |
| WO2014107074A1 (ko) * | 2013-01-04 | 2014-07-10 | 삼성전자 주식회사 | 스케일러블 비디오의 부호화 및 복호화를 위한 움직임 보상 방법 및 장치 |
| US11330284B2 (en) | 2015-03-27 | 2022-05-10 | Qualcomm Incorporated | Deriving motion information for sub-blocks in video coding |
| CN107925775A (zh) * | 2015-09-02 | 2018-04-17 | 联发科技股份有限公司 | 基于双向预测光流技术的视频编解码的运动补偿方法及装置 |
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- 2016-09-28 WO PCT/US2016/054158 patent/WO2017058899A1/en not_active Ceased
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832858A (zh) * | 2017-07-03 | 2020-02-21 | Vid拓展公司 | 基于双向光流的运动补偿预测 |
| CN110832858B (zh) * | 2017-07-03 | 2023-10-13 | Vid拓展公司 | 用于视频编解码的设备、方法 |
| US12464161B2 (en) | 2017-07-03 | 2025-11-04 | Interdigital Vc Holdings, Inc. | Motion-compensation prediction based on bi-directional optical flow |
| US20240236296A9 (en) * | 2021-02-19 | 2024-07-11 | Orange | Method for determining an image coding mode |
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| BR112018006266A2 (pt) | 2018-10-16 |
| BR112018006266B1 (pt) | 2023-12-12 |
| CN108028929A (zh) | 2018-05-11 |
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