CN114342383B - 编码装置、解码装置及程序 - Google Patents

编码装置、解码装置及程序 Download PDF

Info

Publication number
CN114342383B
CN114342383B CN202080060957.9A CN202080060957A CN114342383B CN 114342383 B CN114342383 B CN 114342383B CN 202080060957 A CN202080060957 A CN 202080060957A CN 114342383 B CN114342383 B CN 114342383B
Authority
CN
China
Prior art keywords
block
prediction
unit
blocks
weight coefficient
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202080060957.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN114342383A (zh
Inventor
岩村俊辅
市谷敦郎
根本慎平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
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 Nippon Hoso Kyokai NHK filed Critical Nippon Hoso Kyokai NHK
Publication of CN114342383A publication Critical patent/CN114342383A/zh
Application granted granted Critical
Publication of CN114342383B publication Critical patent/CN114342383B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • 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
    • H04N19/46—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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080060957.9A 2019-08-29 2020-08-28 编码装置、解码装置及程序 Active CN114342383B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019157240 2019-08-29
JP2019-157240 2019-08-29
PCT/JP2020/032782 WO2021040036A1 (ja) 2019-08-29 2020-08-28 符号化装置、復号装置、及びプログラム

Publications (2)

Publication Number Publication Date
CN114342383A CN114342383A (zh) 2022-04-12
CN114342383B true CN114342383B (zh) 2024-05-03

Family

ID=74683507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080060957.9A Active CN114342383B (zh) 2019-08-29 2020-08-28 编码装置、解码装置及程序

Country Status (4)

Country Link
US (2) US12192453B2 (https=)
JP (2) JP7483725B2 (https=)
CN (1) CN114342383B (https=)
WO (1) WO2021040036A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12368883B2 (en) * 2022-04-11 2025-07-22 Qualcomm Incorporated Block vector difference binarization and coding in video coding

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011089865A1 (ja) * 2010-01-21 2011-07-28 パナソニック株式会社 画像符号化方法、画像復号方法、それらの装置、プログラムおよび集積回路
JP2015228693A (ja) * 2015-08-04 2015-12-17 日本電信電話株式会社 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、画像符号化プログラム及び画像復号プログラム
CN108028926A (zh) * 2015-08-20 2018-05-11 日本放送协会 图像编码装置、图像解码装置、和其程序
WO2018123444A1 (ja) * 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置及び画像処理方法
CN110024387A (zh) * 2016-11-28 2019-07-16 日本放送协会 编码装置、解码装置、编码方法和解码方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008193627A (ja) * 2007-01-12 2008-08-21 Mitsubishi Electric Corp 画像符号化装置、画像復号装置、および画像符号化方法、画像復号方法
US8805100B2 (en) * 2010-06-03 2014-08-12 Sharp Kabushiki Kaisha Filter device, image decoding device, image encoding device, and filter parameter data structure
US10713805B2 (en) * 2015-07-31 2020-07-14 Versitech Limited Depth discontinuity-based method for efficient intra coding for depth videos
CN117041557A (zh) * 2016-12-07 2023-11-10 株式会社Kt 对图像信号进行解码或编码的方法和存储视频数据的设备
KR102541882B1 (ko) * 2016-12-27 2023-06-13 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011089865A1 (ja) * 2010-01-21 2011-07-28 パナソニック株式会社 画像符号化方法、画像復号方法、それらの装置、プログラムおよび集積回路
JP2015228693A (ja) * 2015-08-04 2015-12-17 日本電信電話株式会社 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、画像符号化プログラム及び画像復号プログラム
CN108028926A (zh) * 2015-08-20 2018-05-11 日本放送协会 图像编码装置、图像解码装置、和其程序
JPWO2017030200A1 (ja) * 2015-08-20 2018-07-19 日本放送協会 画像符号化装置、画像復号化装置、及びこれらのプログラム
CN110024387A (zh) * 2016-11-28 2019-07-16 日本放送协会 编码装置、解码装置、编码方法和解码方法
WO2018123444A1 (ja) * 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置及び画像処理方法

Also Published As

Publication number Publication date
US20250097419A1 (en) 2025-03-20
US12192453B2 (en) 2025-01-07
JPWO2021040036A1 (https=) 2021-03-04
JP7483725B2 (ja) 2024-05-15
JP2024087085A (ja) 2024-06-28
JP7656120B2 (ja) 2025-04-02
CN114342383A (zh) 2022-04-12
WO2021040036A1 (ja) 2021-03-04
US20220182621A1 (en) 2022-06-09

Similar Documents

Publication Publication Date Title
US12137254B2 (en) Encoding device, decoding device and program
US20250097419A1 (en) Encoding device, decoding device and program
US20250119542A1 (en) Deblocking filter device, decoding device and program
US11991356B2 (en) Deblocking filter control device and program
CN114365487B (zh) 编码装置、解码装置及程序
JP2024107426A (ja) 復号装置及び復号方法
JP2020109959A (ja) インター予測装置、画像符号化装置、画像復号装置、及びプログラム

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant