IL287257B2 - which will include gradient-based prediction for video encoding - Google Patents

which will include gradient-based prediction for video encoding

Info

Publication number
IL287257B2
IL287257B2 IL287257A IL28725721A IL287257B2 IL 287257 B2 IL287257 B2 IL 287257B2 IL 287257 A IL287257 A IL 287257A IL 28725721 A IL28725721 A IL 28725721A IL 287257 B2 IL287257 B2 IL 287257B2
Authority
IL
Israel
Prior art keywords
prediction
samples
horizontal
block
prediction block
Prior art date
Application number
IL287257A
Other languages
English (en)
Hebrew (he)
Other versions
IL287257B1 (en
IL287257A (en
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL287257A publication Critical patent/IL287257A/en
Publication of IL287257B1 publication Critical patent/IL287257B1/en
Publication of IL287257B2 publication Critical patent/IL287257B2/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IL287257A 2019-05-17 2020-05-15 which will include gradient-based prediction for video encoding IL287257B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962849352P 2019-05-17 2019-05-17
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

Publications (3)

Publication Number Publication Date
IL287257A IL287257A (en) 2021-12-01
IL287257B1 IL287257B1 (en) 2024-04-01
IL287257B2 true IL287257B2 (en) 2024-08-01

Family

ID=73230856

Family Applications (1)

Application Number Title Priority Date Filing Date
IL287257A IL287257B2 (en) 2019-05-17 2020-05-15 which will include gradient-based prediction for video encoding

Country Status (13)

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

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US10609423B2 (en) * 2016-09-07 2020-03-31 Qualcomm Incorporated Tree-type coding for video coding
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
EP4032300A4 (en) 2019-09-20 2022-11-09 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
WO2022211463A1 (ko) * 2021-04-02 2022-10-06 현대자동차주식회사 적응적 인트라 예측 정밀도를 이용하는 비디오 코딩방법 및 장치
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
EP4606113A1 (en) * 2022-10-21 2025-08-27 InterDigital CE Patent Holdings, SAS Low complexity motion refinement
WO2025058213A1 (ko) * 2023-09-13 2025-03-20 삼성전자 주식회사 인트라 예측을 이용하여 영상을 부호화 및 복호화하는 장치, 및 방법

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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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
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
CN115278229B (zh) * 2015-11-11 2024-12-10 三星电子株式会社 对视频进行解码的设备和对视频进行编码的设备
EP4661401A3 (en) * 2016-02-03 2026-02-25 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image coding device, and prediction image generation device
EP3453178A1 (en) * 2016-05-06 2019-03-13 VID SCALE, Inc. Systems and methods for motion compensated residual prediction
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
GB2574733B (en) * 2016-12-28 2020-05-06 Arris Entpr Llc Improved video bitstream coding
WO2018125972A1 (en) * 2016-12-28 2018-07-05 Arris Enterprises Llc Adaptive unequal weight planar prediction
JP7036628B2 (ja) * 2017-03-10 2022-03-15 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
US10477237B2 (en) * 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
EP3649780B1 (en) * 2017-07-03 2025-06-25 InterDigital VC Holdings, Inc. Motion-compensation prediction based on bi-directional optical flow
CN115174911B (zh) * 2017-07-24 2025-06-20 艾锐势有限责任公司 帧内模式jvet编译方法
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
US10986343B2 (en) * 2018-04-15 2021-04-20 Arris Enterprises Llc Reducing overhead for multiple-hypothesis temporal prediction
JP7212150B2 (ja) * 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
US11962796B2 (en) * 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
CN115499669B (zh) * 2019-04-25 2023-08-29 北京达佳互联信息技术有限公司 对视频信号进行编码的双向光流方法、计算设备和存储介质

Also Published As

Publication number Publication date
CA3137462A1 (en) 2020-11-26
BR112021022331A2 (pt) 2021-12-28
JP7691936B2 (ja) 2025-06-12
JP2025087703A (ja) 2025-06-10
EP3970370A1 (en) 2022-03-23
CN113950839B (zh) 2025-06-13
WO2020236568A1 (en) 2020-11-26
TWI904088B (zh) 2025-11-11
SG11202111550WA (en) 2021-12-30
CO2021015352A2 (es) 2021-11-19
TW202101996A (zh) 2021-01-01
MX2021014018A (es) 2021-12-10
IL287257B1 (en) 2024-04-01
US11317088B2 (en) 2022-04-26
JP2022533061A (ja) 2022-07-21
IL287257A (en) 2021-12-01
US20200366889A1 (en) 2020-11-19
KR20220009384A (ko) 2022-01-24
CN113950839A (zh) 2022-01-18

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