PL3855748T3 - Urządzenie do dekodowania obrazu - Google Patents

Urządzenie do dekodowania obrazu

Info

Publication number
PL3855748T3
PL3855748T3 PL19861524.7T PL19861524T PL3855748T3 PL 3855748 T3 PL3855748 T3 PL 3855748T3 PL 19861524 T PL19861524 T PL 19861524T PL 3855748 T3 PL3855748 T3 PL 3855748T3
Authority
PL
Poland
Prior art keywords
decoding device
image decoding
image
decoding
Prior art date
Application number
PL19861524.7T
Other languages
English (en)
Inventor
Tomonori Hashimoto
Tomohiro Ikai
Takeshi Chujoh
Eiichi Sasaki
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 PL3855748T3 publication Critical patent/PL3855748T3/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
    • H04N19/10—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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/70—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)
PL19861524.7T 2018-09-21 2019-09-20 Urządzenie do dekodowania obrazu PL3855748T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018177818 2018-09-21
PCT/JP2019/037107 WO2020059877A1 (ja) 2018-09-21 2019-09-20 画像復号装置および画像符号化装置

Publications (1)

Publication Number Publication Date
PL3855748T3 true PL3855748T3 (pl) 2025-03-17

Family

ID=69887241

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19861524.7T PL3855748T3 (pl) 2018-09-21 2019-09-20 Urządzenie do dekodowania obrazu

Country Status (5)

Country Link
US (3) US11689731B2 (pl)
EP (2) EP4436171A3 (pl)
CN (4) CN112740704B (pl)
PL (1) PL3855748T3 (pl)
WO (1) WO2020059877A1 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3861740B1 (en) * 2018-10-02 2024-08-28 InterDigital VC Holdings, Inc. Generalized bi-prediction and weighted prediction
US11394989B2 (en) * 2018-12-10 2022-07-19 Tencent America LLC Method and apparatus for video coding
JP7350857B2 (ja) * 2019-02-28 2023-09-26 ホアウェイ・テクノロジーズ・カンパニー・リミテッド インター予測のためのエンコーダ、デコーダ、および対応する方法
JP2022544844A (ja) * 2019-08-22 2022-10-21 エルジー エレクトロニクス インコーポレイティド 加重予測を行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
WO2020251414A2 (en) * 2019-09-29 2020-12-17 Huawei Technologies Co., Ltd. Method and apparatus of generating weighting masks for integer-slope split directions in inter prediction
EP4029247A4 (en) * 2019-10-07 2022-12-07 Huawei Technologies Co., Ltd. METHOD AND APPARATUS FOR WEIGHTED PREDICTION AND CODING UNIT LEVEL WEIGHTED BI-PREDICTION HARMONIZATION
JP2023509525A (ja) * 2020-01-13 2023-03-08 エルジー エレクトロニクス インコーポレイティド 予測重み付けテーブルベースのビデオ／映像コーディング方法及び装置
US20240031600A1 (en) * 2022-07-19 2024-01-25 Tencent America LLC Inter prediction direction and bcw index coding in merge mode
US12477120B2 (en) * 2022-10-17 2025-11-18 Alibaba Damo (Hangzhou) Technology Co., Ltd. Keypoints based video compression
US12200195B2 (en) 2023-03-21 2025-01-14 Tencent America LLC Multiple lists for block based weighting factors
JP2024151450A (ja) * 2023-04-12 2024-10-25 シャープ株式会社 動画像符号化装置、復号装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10034012B2 (en) * 2010-05-13 2018-07-24 Sharp Kabushiki Kaisha Prediction image generation device, moving image decoding device, and moving image coding device
US20130116411A1 (en) 2011-09-06 2013-05-09 Allergan, Inc. Methods of making hyaluronic acid/collagen compositions
SG11201400294SA (en) 2011-10-17 2014-09-26 Toshiba Kk Encoding device, decoding device, encoding method, and decoding method
BR122020011590B1 (pt) * 2011-11-08 2022-05-03 Kabushiki Kaisha Toshiba Método de decodificação realizado pelo menos parcialmente por um circuito eletrônico e método de codificação realizado pelo menos parcialmente por um circuito eletrônico
US9503720B2 (en) * 2012-03-16 2016-11-22 Qualcomm Incorporated Motion vector coding and bi-prediction in HEVC and its extensions
WO2014103606A1 (ja) * 2012-12-26 2014-07-03 シャープ株式会社 画像復号装置
US10432963B2 (en) * 2013-11-05 2019-10-01 Arris Enterprises Llc Bit depth variable for high precision data in weighted prediction syntax and semantics
CN115118971B (zh) * 2016-05-13 2025-06-17 交互数字Vc控股公司 用于视频编码的通用式多假设预测的系统及方法
US11153602B2 (en) * 2018-01-24 2021-10-19 Vid Scale, Inc. Generalized bi-prediction for video coding with reduced coding complexity
KR102784515B1 (ko) 2018-03-27 2025-03-26 (주)휴맥스 모션 보상을 이용하는 비디오 신호 처리 방법 및 장치

Also Published As

Publication number Publication date
CN112740704B (zh) 2024-04-16
US20220038720A1 (en) 2022-02-03
EP4436171A3 (en) 2024-12-18
CN118200534A (zh) 2024-06-14
EP3855748B8 (en) 2024-12-11
CN118200535A (zh) 2024-06-14
US20240380902A1 (en) 2024-11-14
US12096008B2 (en) 2024-09-17
WO2020059877A1 (ja) 2020-03-26
CN112740704A (zh) 2021-04-30
EP3855748A4 (en) 2022-06-01
CN118214858A (zh) 2024-06-18
US20230336746A1 (en) 2023-10-19
EP3855748A1 (en) 2021-07-28
EP4436171A2 (en) 2024-09-25
EP3855748B1 (en) 2024-11-06
US11689731B2 (en) 2023-06-27

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