CA3248581A1 - Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program - Google Patents

Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program

Info

Publication number
CA3248581A1
CA3248581A1 CA3248581A CA3248581A CA3248581A1 CA 3248581 A1 CA3248581 A1 CA 3248581A1 CA 3248581 A CA3248581 A CA 3248581A CA 3248581 A CA3248581 A CA 3248581A CA 3248581 A1 CA3248581 A1 CA 3248581A1
Authority
CA
Canada
Prior art keywords
motion vector
vector predictor
motion information
prediction
unit
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.)
Pending
Application number
CA3248581A
Other languages
English (en)
Inventor
Shigeru Fukushima
Hiroya Nakamura
Satoru Sakazume
Toru Kumakura
Hiroyuki Kurashige
Hideki Takehara
Original Assignee
JVCKenwood Corp
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 JVCKenwood Corp filed Critical JVCKenwood Corp
Publication of CA3248581A1 publication Critical patent/CA3248581A1/en
Pending legal-status Critical Current

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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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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)
CA3248581A 2018-12-28 2019-12-20 Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program Pending CA3248581A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2018247407 2018-12-28
JP2018-247407 2018-12-28
JP2019063065 2019-03-28
JP2019-063065 2019-03-28
CA3129872A CA3129872C (en) 2018-12-28 2019-12-20 Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program

Related Parent Applications (1)

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CA3129872A Division CA3129872C (en) 2018-12-28 2019-12-20 Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program

Publications (1)

Publication Number Publication Date
CA3248581A1 true CA3248581A1 (en) 2025-02-21

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CA3129872A Active CA3129872C (en) 2018-12-28 2019-12-20 Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program, dynamic image encoding device, dynamic image encoding method, and dynamic image encoding program

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Country Link
US (5) US11503283B2 (https=)
EP (1) EP3905686A4 (https=)
JP (7) JP6866919B2 (https=)
KR (3) KR102606883B1 (https=)
CN (1) CN113287314B (https=)
BR (1) BR112021012414A2 (https=)
CA (2) CA3248581A1 (https=)
MX (2) MX2021007756A (https=)
MY (1) MY207408A (https=)
RU (1) RU2768375C1 (https=)
WO (1) WO2020137888A1 (https=)

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CN113170105B (zh) 2018-11-16 2024-11-05 北京字节跳动网络技术有限公司 基于历史的仿射参数继承
BR112021012414A2 (pt) 2018-12-28 2021-09-08 Jvckenwood Corporation Dispositivo de decodificação de imagem em movimento, dispositivode codificação de imagem em movimento e métodos relacionados
CN113439444B (zh) 2019-02-02 2026-03-24 北京字节跳动网络技术有限公司 用于仿射的多hmvp
CN113491125B (zh) * 2019-02-22 2025-01-10 北京字节跳动网络技术有限公司 基于历史的仿射模式子表

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JP3627279B2 (ja) * 1995-03-31 2005-03-09 ソニー株式会社 量子化装置および量子化方法
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JP2013098733A (ja) * 2011-10-31 2013-05-20 Jvc Kenwood Corp 動画像復号装置、動画像復号方法及び動画像復号プログラム
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KR20130050149A (ko) * 2011-11-07 2013-05-15 오수미 인터 모드에서의 예측 블록 생성 방법
TWI554079B (zh) * 2011-12-28 2016-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, dynamic image decoding program
US9300906B2 (en) 2013-03-29 2016-03-29 Google Inc. Pull frame interpolation
US10567789B2 (en) * 2014-06-16 2020-02-18 Qualcomm Incorporated Simplified shifting merge candidate and merge list derivation in 3D-HEVC
CN117221572A (zh) * 2016-10-04 2023-12-12 英迪股份有限公司 视频解码方法、图像编码方法以及发送比特流的方法
MX392418B (es) * 2018-06-29 2025-03-24 Beijing Bytedance Network Tech Co Ltd Poda parcial/total cuando se añade un candidato a hmvp para fusión/amvp.
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CN116389749A (zh) * 2018-12-28 2023-07-04 Jvc建伍株式会社 动图像解码装置和方法、以及动图像编码装置和方法
BR112021012414A2 (pt) * 2018-12-28 2021-09-08 Jvckenwood Corporation Dispositivo de decodificação de imagem em movimento, dispositivode codificação de imagem em movimento e métodos relacionados

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Publication number Publication date
WO2020137888A1 (ja) 2020-07-02
JP2021100285A (ja) 2021-07-01
JP2024023678A (ja) 2024-02-21
MX2024010730A (es) 2024-09-10
JP7140224B2 (ja) 2022-09-21
US20230031647A1 (en) 2023-02-02
US11503283B2 (en) 2022-11-15
US12542895B2 (en) 2026-02-03
JP2024177465A (ja) 2024-12-19
US11856190B2 (en) 2023-12-26
CN113287314A (zh) 2021-08-20
JP2025129212A (ja) 2025-09-04
US20230328236A1 (en) 2023-10-12
KR102759439B1 (ko) 2025-01-22
JP7559915B2 (ja) 2024-10-02
KR20230163002A (ko) 2023-11-29
US20240406386A1 (en) 2024-12-05
RU2022106266A (ru) 2022-03-17
CA3129872A1 (en) 2020-07-02
MX2021007756A (es) 2021-08-05
JP7619502B2 (ja) 2025-01-22
CN113287314B (zh) 2024-08-16
CA3129872C (en) 2026-02-24
JP2024053072A (ja) 2024-04-12
MY207408A (en) 2025-02-26
US20230328235A1 (en) 2023-10-12
JP7711828B2 (ja) 2025-07-23
KR20210022757A (ko) 2021-03-03
RU2768375C1 (ru) 2022-03-24
JP6866919B2 (ja) 2021-04-28
BR112021012414A2 (pt) 2021-09-08
EP3905686A4 (en) 2022-10-19
US20220078411A1 (en) 2022-03-10
KR102606883B1 (ko) 2023-11-24
JP2022036089A (ja) 2022-03-04
JP2020167663A (ja) 2020-10-08
US12101471B2 (en) 2024-09-24
JP7405127B2 (ja) 2023-12-26
KR20250016495A (ko) 2025-02-03
US12088798B2 (en) 2024-09-10
EP3905686A1 (en) 2021-11-03

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