JPWO2020236568A5 - - Google Patents

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JPWO2020236568A5
JPWO2020236568A5 JP2021566995A JP2021566995A JPWO2020236568A5 JP WO2020236568 A5 JPWO2020236568 A5 JP WO2020236568A5 JP 2021566995 A JP2021566995 A JP 2021566995A JP 2021566995 A JP2021566995 A JP 2021566995A JP WO2020236568 A5 JPWO2020236568 A5 JP WO2020236568A5
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prediction
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JP2022533061A (ja
JP2022533061A5 (https=
JP7691936B2 (ja
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JP2021566995A 2019-05-17 2020-05-15 ビデオコーディングのための勾配ベースの予測改良 Active JP7691936B2 (ja)

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Application Number Priority Date Filing Date Title
JP2025019182A JP2025087703A (ja) 2019-05-17 2025-02-07 ビデオコーディングのための勾配ベースの予測改良

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Application Number Priority Date Filing Date Title
US201962849352P 2019-05-17 2019-05-17
US62/849,352 2019-05-17
US16/874,057 2020-05-14
US16/874,057 US11317088B2 (en) 2019-05-17 2020-05-14 Gradient-based prediction refinement for video coding
PCT/US2020/033091 WO2020236568A1 (en) 2019-05-17 2020-05-15 Gradient-based prediction refinement for video coding

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JP2025019182A Division JP2025087703A (ja) 2019-05-17 2025-02-07 ビデオコーディングのための勾配ベースの予測改良

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JP2022533061A JP2022533061A (ja) 2022-07-21
JPWO2020236568A5 true JPWO2020236568A5 (https=) 2023-04-28
JP2022533061A5 JP2022533061A5 (https=) 2023-04-28
JP7691936B2 JP7691936B2 (ja) 2025-06-12

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JP2021566995A Active JP7691936B2 (ja) 2019-05-17 2020-05-15 ビデオコーディングのための勾配ベースの予測改良
JP2025019182A Pending JP2025087703A (ja) 2019-05-17 2025-02-07 ビデオコーディングのための勾配ベースの予測改良

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US (1) US11317088B2 (https=)
EP (1) EP3970370A1 (https=)
JP (2) JP7691936B2 (https=)
KR (1) KR20220009384A (https=)
CN (1) CN113950839B (https=)
BR (1) BR112021022331A2 (https=)
CA (1) CA3137462A1 (https=)
CO (1) CO2021015352A2 (https=)
IL (1) IL287257B2 (https=)
MX (1) MX2021014018A (https=)
SG (1) SG11202111550WA (https=)
TW (1) TWI904088B (https=)
WO (1) WO2020236568A1 (https=)

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US11962796B2 (en) 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
JP2021048514A (ja) * 2019-09-19 2021-03-25 シャープ株式会社 動画像符号化装置、動画像復号装置、予測画像生成方法
WO2021054886A1 (en) * 2019-09-20 2021-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus
US20220337865A1 (en) * 2019-09-23 2022-10-20 Sony Group Corporation Image processing device and image processing method
WO2022197137A1 (ko) * 2021-03-19 2022-09-22 현대자동차주식회사 성분별 적응적 공간해상도를 갖는 움직임벡터를 이용하는 비디오 코딩방법 및 장치
JP2024511887A (ja) * 2021-04-02 2024-03-15 ヒョンダイ モーター カンパニー 適応的イントラ予測精度を用いるビデオコーディング方法及び装置
CN114079792A (zh) * 2021-07-22 2022-02-22 珠海市杰理科技股份有限公司 视频编码参考块的压缩方法、编码方法和装置
KR20250093492A (ko) * 2022-10-21 2025-06-24 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 낮은 복잡성 모션 정제
CN121844566A (zh) * 2023-09-13 2026-04-10 三星电子株式会社 用于通过使用帧内预测对图像进行编码和解码的设备和方法

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US9325991B2 (en) * 2012-04-11 2016-04-26 Qualcomm Incorporated Motion vector rounding
US10015515B2 (en) * 2013-06-21 2018-07-03 Qualcomm Incorporated Intra prediction from a predictive block
US9918105B2 (en) 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
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
JP2018533871A (ja) * 2015-11-11 2018-11-15 サムスン エレクトロニクス カンパニー リミテッド ビデオ復号方法及びその装置、並びにビデオ符号化方法及びその装置
EP3413563B1 (en) * 2016-02-03 2026-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image encoding device, and prediction image generation device
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JP7168593B2 (ja) * 2017-07-03 2022-11-09 ヴィド スケール インコーポレイテッド 双方向オプティカルフローに基づいた動き補償予測
EP3643065A1 (en) * 2017-07-24 2020-04-29 ARRIS Enterprises LLC Intra mode jvet coding
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
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KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
US11962796B2 (en) * 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement 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

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