PL4415365T3 - Dynamiczne dekodowanie obrazu - Google Patents

Dynamiczne dekodowanie obrazu

Info

Publication number
PL4415365T3
PL4415365T3 PL24185067.6T PL24185067T PL4415365T3 PL 4415365 T3 PL4415365 T3 PL 4415365T3 PL 24185067 T PL24185067 T PL 24185067T PL 4415365 T3 PL4415365 T3 PL 4415365T3
Authority
PL
Poland
Prior art keywords
image decoding
dynamic image
dynamic
decoding
image
Prior art date
Application number
PL24185067.6T
Other languages
English (en)
Inventor
Takeshi Chujoh
Tomoko Aono
Tomohiro Ikai
Eiichi Sasaki
Yukinobu Yasugi
Original Assignee
Sharp Kabushiki Kaisha
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 filed Critical Sharp Kabushiki Kaisha
Publication of PL4415365T3 publication Critical patent/PL4415365T3/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)
PL24185067.6T 2019-03-08 2020-03-06 Dynamiczne dekodowanie obrazu PL4415365T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019043097 2019-03-08

Publications (1)

Publication Number Publication Date
PL4415365T3 true PL4415365T3 (pl) 2026-03-16

Family

ID=72427505

Family Applications (2)

Application Number Title Priority Date Filing Date
PL24185067.6T PL4415365T3 (pl) 2019-03-08 2020-03-06 Dynamiczne dekodowanie obrazu
PL20770371.1T PL3937498T3 (pl) 2019-03-08 2020-03-06 Dynamiczne dekodowanie obrazu

Family Applications After (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 (3) EP4415365B1 (pl)
JP (3) JP7555328B2 (pl)
CN (4) CN113557740B (pl)
MX (2) MX2021010770A (pl)
PL (2) PL4415365T3 (pl)
WO (1) WO2020184487A1 (pl)

Families Citing this family (10)

* 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
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
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
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
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
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
WO2023153893A1 (ko) * 2022-02-13 2023-08-17 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US12549735B2 (en) * 2022-06-20 2026-02-10 Tencent America LLC Bilateral matching for compound reference mode
WO2025187142A1 (ja) * 2024-03-08 2025-09-12 シャープ株式会社 動画像復号装置および動画像符号化装置

Family Cites Families (17)

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EP2343898A1 (en) * 2010-01-08 2011-07-13 Research In Motion Limited Method and device for motion vector estimation in video transcoding using union of search areas
GB2514334B (en) * 2013-05-13 2020-04-22 Snell Advanced Media Ltd Video processing
WO2015056719A1 (ja) * 2013-10-16 2015-04-23 シャープ株式会社 画像復号装置、画像符号化装置
WO2017135151A1 (ja) * 2016-02-01 2017-08-10 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
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
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
CN116405666A (zh) * 2018-09-13 2023-07-07 华为技术有限公司 用于视频译码中的条件性解码器侧运动矢量修正的装置和方法
US11146810B2 (en) 2018-11-27 2021-10-12 Qualcomm Incorporated Decoder-side motion vector refinement
CN113965746B (zh) * 2019-02-08 2022-08-12 北京达佳互联信息技术有限公司 选择性地应用双向光流和解码器侧运动矢量细化来进行视频编解码的方法和设备
CN118612454A (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
WO2020164575A1 (en) 2019-02-14 2020-08-20 Beijing Bytedance Network Technology Co., Ltd. Decoder side motion derivation based on processing parameters
US11190797B2 (en) 2019-03-01 2021-11-30 Qualcomm Incorporated Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
KR20250044935A (ko) * 2019-03-13 2025-04-01 엘지전자 주식회사 Dmvr 기반의 인터 예측 방법 및 장치

Also Published As

Publication number Publication date
US20220167002A1 (en) 2022-05-26
WO2020184487A1 (ja) 2020-09-17
EP3937498A4 (en) 2022-12-07
CN113557740B (zh) 2025-10-31
EP3937498A1 (en) 2022-01-12
EP4683328A8 (en) 2026-02-25
US12069287B2 (en) 2024-08-20
JPWO2020184487A1 (pl) 2020-09-17
EP4415365B1 (en) 2025-10-29
JP7706621B2 (ja) 2025-07-11
MX2024012549A (es) 2024-11-08
EP4415365A3 (en) 2024-10-02
JP7555328B2 (ja) 2024-09-24
JP2024170617A (ja) 2024-12-10
EP3937498B1 (en) 2024-08-14
CN120935367A (zh) 2025-11-11
JP2025143379A (ja) 2025-10-01
US20240348819A1 (en) 2024-10-17
CN121173967A (zh) 2025-12-19
PL3937498T3 (pl) 2024-12-23
CN121099066A (zh) 2025-12-09
EP4683328A1 (en) 2026-01-21
US12581110B2 (en) 2026-03-17
MX2021010770A (es) 2021-09-28
CN113557740A (zh) 2021-10-26
EP4415365A2 (en) 2024-08-14

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