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PL3937498T3 - Dynamiczne dekodowanie obrazu - Google Patents

Dynamiczne dekodowanie obrazu

Info

Publication number
PL3937498T3
PL3937498T3 PL20770371.1T PL20770371T PL3937498T3 PL 3937498 T3 PL3937498 T3 PL 3937498T3 PL 20770371 T PL20770371 T PL 20770371T PL 3937498 T3 PL3937498 T3 PL 3937498T3
Authority
PL
Poland
Prior art keywords
image decoding
dynamic image
dynamic
decoding
image
Prior art date
Application number
PL20770371.1T
Other languages
English (en)
Inventor
Takeshi Chujoh
Tomoko Aono
Tomohiro Ikai
Eiichi Sasaki
Yukinobu Yasugi
Original Assignee
Sharp Kabushiki Kaisha
FG Innovation Company Limited
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 Sharp Kabushiki Kaisha, FG Innovation Company Limited filed Critical Sharp Kabushiki Kaisha
Publication of PL3937498T3 publication Critical patent/PL3937498T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/172—Methods 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 picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL20770371.1T 2019-03-08 2020-03-06 Dynamiczne dekodowanie obrazu PL3937498T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019043097 2019-03-08
PCT/JP2020/009870 WO2020184487A1 (ja) 2019-03-08 2020-03-06 動画像復号装置

Publications (1)

Publication Number Publication Date
PL3937498T3 true PL3937498T3 (pl) 2024-12-23

Family

ID=72427505

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20770371.1T PL3937498T3 (pl) 2019-03-08 2020-03-06 Dynamiczne dekodowanie obrazu

Country Status (7)

Country Link
US (2) US12069287B2 (pl)
EP (2) EP3937498B1 (pl)
JP (2) JP7555328B2 (pl)
CN (1) CN113557740A (pl)
MX (2) MX2021010770A (pl)
PL (1) PL3937498T3 (pl)
WO (1) WO2020184487A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7061737B1 (ja) 2019-03-11 2022-04-28 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
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
JP7034363B2 (ja) * 2019-03-11 2022-03-11 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
JP7083971B1 (ja) * 2019-03-11 2022-06-13 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
CN114143558B (zh) * 2019-03-12 2024-01-30 北京达佳互联信息技术有限公司 组合帧间和帧内预测模式的受约束和调节的应用
JP2023011955A (ja) * 2019-12-03 2023-01-25 シャープ株式会社 動画像符号化装置、動画像復号装置
US11582474B2 (en) * 2020-08-03 2023-02-14 Alibaba Group Holding Limited Systems and methods for bi-directional gradient correction

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114827599B (zh) * 2016-02-03 2025-01-24 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
WO2018173895A1 (ja) * 2017-03-21 2018-09-27 シャープ株式会社 予測画像生成装置、動画像復号装置、および動画像符号化装置
US10477237B2 (en) 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
WO2019031417A1 (ja) * 2017-08-09 2019-02-14 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
JP6974078B2 (ja) 2017-09-06 2021-12-01 トッパン・フォームズ株式会社 インクジェット用記録シート
TWI719519B (zh) 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
JP7297874B2 (ja) 2018-09-13 2023-06-26 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ビデオコーディングにおける条件付きデコーダ側動きベクトル精緻化のための装置および方法
US11146810B2 (en) 2018-11-27 2021-10-12 Qualcomm Incorporated Decoder-side motion vector refinement
ES2981908T3 (es) 2019-02-08 2024-10-11 Beijing Dajia Internet Information Tech Co Ltd Métodos y dispositivos para aplicar de forma selectiva el flujo óptico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificación de video
CN111837395A (zh) 2019-02-14 2020-10-27 北京字节跳动网络技术有限公司 基于处理参数的解码器侧运动推导
CN118612455A (zh) 2019-02-14 2024-09-06 Lg 电子株式会社 基于dmvr的帧间预测方法和设备
US11190797B2 (en) 2019-03-01 2021-11-30 Qualcomm Incorporated Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction

Also Published As

Publication number Publication date
MX2024012549A (es) 2024-11-08
JP7555328B2 (ja) 2024-09-24
EP3937498A1 (en) 2022-01-12
WO2020184487A1 (ja) 2020-09-17
EP4415365A2 (en) 2024-08-14
US12069287B2 (en) 2024-08-20
EP3937498A4 (en) 2022-12-07
JP2024170617A (ja) 2024-12-10
JP7706621B2 (ja) 2025-07-11
CN113557740A (zh) 2021-10-26
US20220167002A1 (en) 2022-05-26
EP3937498B1 (en) 2024-08-14
US20240348819A1 (en) 2024-10-17
MX2021010770A (es) 2021-09-28
JPWO2020184487A1 (pl) 2020-09-17
EP4415365A3 (en) 2024-10-02

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