JP2021520710A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2021520710A5 JP2021520710A5 JP2020553659A JP2020553659A JP2021520710A5 JP 2021520710 A5 JP2021520710 A5 JP 2021520710A5 JP 2020553659 A JP2020553659 A JP 2020553659A JP 2020553659 A JP2020553659 A JP 2020553659A JP 2021520710 A5 JP2021520710 A5 JP 2021520710A5
- Authority
- JP
- Japan
- Prior art keywords
- size
- bdof
- value
- comparison
- processors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims 10
- 230000002457 bidirectional effect Effects 0.000 claims 5
- 230000003287 optical effect Effects 0.000 claims 5
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025010575A JP2025066135A (ja) | 2018-04-06 | 2025-01-24 | 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 |
| JP2025194252A JP2026021587A (ja) | 2018-04-06 | 2025-11-13 | 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 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862653674P | 2018-04-06 | 2018-04-06 | |
| US62/653,674 | 2018-04-06 | ||
| PCT/US2019/025933 WO2019195643A1 (en) | 2018-04-06 | 2019-04-05 | A bi-directional optical flow method with simplified gradient derivation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025010575A Division JP2025066135A (ja) | 2018-04-06 | 2025-01-24 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021520710A JP2021520710A (ja) | 2021-08-19 |
| JP2021520710A5 true JP2021520710A5 (enExample) | 2021-09-30 |
Family
ID=66770524
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020553659A Pending JP2021520710A (ja) | 2018-04-06 | 2019-04-05 | 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 |
| JP2025010575A Ceased JP2025066135A (ja) | 2018-04-06 | 2025-01-24 | 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 |
| JP2025194252A Pending JP2026021587A (ja) | 2018-04-06 | 2025-11-13 | 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 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025010575A Ceased JP2025066135A (ja) | 2018-04-06 | 2025-01-24 | 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 |
| JP2025194252A Pending JP2026021587A (ja) | 2018-04-06 | 2025-11-13 | 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 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US11575933B2 (enExample) |
| EP (1) | EP3777159A1 (enExample) |
| JP (3) | JP2021520710A (enExample) |
| CN (3) | CN119484837A (enExample) |
| WO (1) | WO2019195643A1 (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116866581A (zh) | 2017-05-17 | 2023-10-10 | 株式会社Kt | 对视频解码和编码的方法以及存储压缩视频数据的装置 |
| EP3780598A4 (en) * | 2018-03-29 | 2022-01-26 | Nippon Hoso Kyokai | PICTURE CODING DEVICE, PICTURE DECODING DEVICE, AND PROGRAM |
| JP7004835B2 (ja) * | 2018-09-14 | 2022-01-21 | 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 |
| CN112715030B (zh) | 2018-09-21 | 2024-04-23 | Vid拓展公司 | 用于双向光流的复杂度降低和位宽控制 |
| CN112889284B (zh) * | 2018-10-22 | 2024-12-13 | 北京字节跳动网络技术有限公司 | 基于子块的解码器侧运动矢量推导 |
| CN117880513A (zh) | 2018-10-22 | 2024-04-12 | 北京字节跳动网络技术有限公司 | 基于编解码信息的解码器侧运动矢量推导的限制 |
| WO2020137643A1 (ja) * | 2018-12-28 | 2020-07-02 | ソニー株式会社 | 画像処理装置および方法 |
| JP6867611B2 (ja) * | 2019-03-11 | 2021-04-28 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| PL3941060T3 (pl) * | 2019-03-12 | 2023-12-27 | Lg Electronics Inc. | Sposób i urządzenie inter-predykcji oparte na dmvr i bdof |
| US11962796B2 (en) | 2019-04-01 | 2024-04-16 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| US11317088B2 (en) * | 2019-05-17 | 2022-04-26 | Qualcomm Incorporated | Gradient-based prediction refinement for video coding |
| WO2020233659A1 (en) | 2019-05-21 | 2020-11-26 | Beijing Bytedance Network Technology Co., Ltd. | Adaptive motion vector difference resolution for affine mode |
| MX2021012502A (es) * | 2019-06-21 | 2021-11-12 | Panasonic Ip Corp America | Codificador, decodificador, metodo de codificacion y metodo de decodificacion. |
| JP7372443B2 (ja) | 2019-08-10 | 2023-10-31 | 北京字節跳動網絡技術有限公司 | サブピクチャに依存するビデオビットストリーム内のシグナリング |
| KR102737934B1 (ko) | 2019-09-19 | 2024-12-04 | 두인 비전 컴퍼니 리미티드 | 비디오 코딩에서 레퍼런스 샘플 위치 유도 |
| CN114503574B (zh) | 2019-09-19 | 2025-01-10 | 北京字节跳动网络技术有限公司 | 视频编解码中的缩放窗口 |
| MX2022003836A (es) | 2019-10-05 | 2022-05-12 | Beijing Bytedance Network Tech Co Ltd | Se?alizacion basada en los niveles de las herramientas de codificacion de video. |
| CN117499640A (zh) | 2019-10-12 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 视频编解码中的预测类型信令 |
| EP4029274A4 (en) | 2019-10-13 | 2022-11-30 | Beijing Bytedance Network Technology Co., Ltd. | INTERPLAY BETWEEN REFERENCE IMAGE CAPTURE AND VIDEO ENCODING TOOLS |
| CN117676135A (zh) | 2019-10-18 | 2024-03-08 | 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 |
| WO2021110017A1 (en) | 2019-12-02 | 2021-06-10 | Beijing Bytedance Network Technology Co., Ltd. | Merge with motion vector differencing in affine mode |
| MX2022007503A (es) | 2019-12-27 | 2022-07-04 | Beijing Bytedance Network Tech Co Ltd | Se?alizacion de tipos de corte en encabezados de imagenes de video. |
| CN121262368A (zh) * | 2019-12-30 | 2026-01-02 | Oppo广东移动通信有限公司 | 帧间预测方法、编码器、解码器及存储介质 |
| CN115315955A (zh) * | 2020-03-20 | 2022-11-08 | 北京达佳互联信息技术有限公司 | 用于双向光流和解码器侧运动矢量细化的简化的方法和装置 |
| EP4107941A4 (en) | 2020-03-23 | 2023-04-19 | Beijing Bytedance Network Technology Co., Ltd. | PREDICTION REFINEMENT FOR AFFINE MERGE AND AFFINER MOTION VECTOR PREDICTION MODE |
| JP2021193781A (ja) * | 2020-06-08 | 2021-12-23 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| US20240357081A1 (en) * | 2021-08-19 | 2024-10-24 | Mediatek Inc. | Method and Apparatus for Hardware-Friendly Template Matching in Video Coding System |
| WO2023116778A1 (en) | 2021-12-22 | 2023-06-29 | Beijing Bytedance Network Technology Co., Ltd. | Method, apparatus, and medium for video processing |
| KR20240069100A (ko) * | 2022-11-11 | 2024-05-20 | 삼성전자주식회사 | 영역 분리를 이용한 영상 처리 장치, 영상 처리 방법, 및 이를 포함하는 전자 시스템 |
| CN121890077A (zh) * | 2023-09-20 | 2026-04-17 | 字节跳动有限公司 | 用于视频处理的方法、装置和介质 |
| US20250267274A1 (en) * | 2024-02-20 | 2025-08-21 | Tencent America LLC | Uni-directional optical flow |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HRP20250027T1 (hr) | 2011-01-07 | 2025-03-14 | Nokia Technologies Oy | Predviđanje kretnji kod kodiranja videa |
| US9648318B2 (en) * | 2012-09-30 | 2017-05-09 | Qualcomm Incorporated | Performing residual prediction in video coding |
| US9800857B2 (en) * | 2013-03-08 | 2017-10-24 | Qualcomm Incorporated | Inter-view residual prediction in multi-view or 3-dimensional video coding |
| US20180242004A1 (en) | 2015-08-23 | 2018-08-23 | Lg Electronics Inc. | Inter prediction mode-based image processing method and apparatus therefor |
| 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 |
| CN115037929A (zh) | 2016-02-03 | 2022-09-09 | Oppo广东移动通信有限公司 | 运动图像解码装置、编码装置、以及预测图像生成装置 |
| 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 |
| CN105847804B (zh) | 2016-05-18 | 2017-12-15 | 信阳师范学院 | 一种基于稀疏冗余表示模型的视频帧率上转换方法 |
| WO2018021373A1 (ja) | 2016-07-29 | 2018-02-01 | 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 |
| US10931969B2 (en) * | 2017-01-04 | 2021-02-23 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (BIO) |
| US12063387B2 (en) | 2017-01-05 | 2024-08-13 | Hfi Innovation Inc. | Decoder-side motion vector restoration for video coding |
| US10523964B2 (en) | 2017-03-13 | 2019-12-31 | Qualcomm Incorporated | Inter prediction refinement based on bi-directional optical flow (BIO) |
| US10595035B2 (en) | 2017-03-22 | 2020-03-17 | Qualcomm Incorporated | Constraining motion vector information derived by decoder-side motion vector derivation |
| KR102574175B1 (ko) * | 2017-06-05 | 2023-09-04 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
| BR112020000032A2 (pt) * | 2017-07-03 | 2020-07-14 | Vid Scale, Inc. | dispositivo e método de codificação de dados de vídeo. |
| 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 |
| US11265551B2 (en) * | 2018-01-18 | 2022-03-01 | Qualcomm Incorporated | Decoder-side motion vector derivation |
-
2019
- 2019-04-05 EP EP19728756.8A patent/EP3777159A1/en active Pending
- 2019-04-05 CN CN202411530258.2A patent/CN119484837A/zh active Pending
- 2019-04-05 WO PCT/US2019/025933 patent/WO2019195643A1/en not_active Ceased
- 2019-04-05 CN CN201980034247.6A patent/CN112166608B/zh active Active
- 2019-04-05 US US17/045,683 patent/US11575933B2/en active Active
- 2019-04-05 JP JP2020553659A patent/JP2021520710A/ja active Pending
- 2019-04-05 CN CN202411530256.3A patent/CN119484836A/zh active Pending
-
2023
- 2023-02-06 US US18/106,181 patent/US20230188748A1/en not_active Abandoned
-
2025
- 2025-01-24 JP JP2025010575A patent/JP2025066135A/ja not_active Ceased
- 2025-05-16 US US19/210,275 patent/US20250280148A1/en active Pending
- 2025-11-13 JP JP2025194252A patent/JP2026021587A/ja active Pending