JP6874804B2 - 画像復号装置、画像復号方法、及び画像復号プログラム - Google Patents

画像復号装置、画像復号方法、及び画像復号プログラム Download PDF

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JP6874804B2
JP6874804B2 JP2019166981A JP2019166981A JP6874804B2 JP 6874804 B2 JP6874804 B2 JP 6874804B2 JP 2019166981 A JP2019166981 A JP 2019166981A JP 2019166981 A JP2019166981 A JP 2019166981A JP 6874804 B2 JP6874804 B2 JP 6874804B2
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intra prediction
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JP2020058025A (ja
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英樹 竹原
英樹 竹原
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JVCKenwood Corp
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JVCKenwood Corp
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Priority to MX2021003467A priority Critical patent/MX2021003467A/es
Priority to CN201980050632.XA priority patent/CN112514378A/zh
Priority to KR1020217003082A priority patent/KR102702123B1/ko
Priority to CN202110324975.XA priority patent/CN112887719B/zh
Priority to PCT/JP2019/036141 priority patent/WO2020066702A1/ja
Priority to EP19864950.1A priority patent/EP3860122B1/en
Priority to RU2021107682A priority patent/RU2768956C1/ru
Priority to MYPI2021001382A priority patent/MY199543A/en
Priority to JP2019166981A priority patent/JP6874804B2/ja
Priority to BR112021005523-1A priority patent/BR112021005523A2/pt
Application filed by JVCKenwood Corp filed Critical JVCKenwood Corp
Publication of JP2020058025A publication Critical patent/JP2020058025A/ja
Priority to US17/207,987 priority patent/US20210211651A1/en
Publication of JP2020058025A5 publication Critical patent/JP2020058025A5/ja
Priority to JP2021069712A priority patent/JP7160135B2/ja
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Priority to JP2022163084A priority patent/JP7494886B2/ja
Priority to JP2024083990A priority patent/JP7666709B2/ja
Priority to JP2025061784A priority patent/JP7827189B2/ja
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    • 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
    • H04N19/103—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • 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
    • H04N19/176—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2019166981A 2018-09-28 2019-09-13 画像復号装置、画像復号方法、及び画像復号プログラム Active JP6874804B2 (ja)

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KR1020217003082A KR102702123B1 (ko) 2018-09-28 2019-09-13 화상 복호 장치, 화상 복호 방법, 화상 복호 프로그램, 화상 부호화 장치, 화상 부호화 방법 및, 화상 부호화 프로그램
CN202110324975.XA CN112887719B (zh) 2018-09-28 2019-09-13 图像解码装置、图像解码方法以及图像解码程序
PCT/JP2019/036141 WO2020066702A1 (ja) 2018-09-28 2019-09-13 画像復号装置、画像復号方法、及び画像復号プログラム
EP19864950.1A EP3860122B1 (en) 2018-09-28 2019-09-13 Image decoding device, image decoding method, and image decoding program
RU2021107682A RU2768956C1 (ru) 2018-09-28 2019-09-13 Устройство декодирования изображения, способ декодирования изображения, устройство кодирования изображения и способ кодирования изображения
MYPI2021001382A MY199543A (en) 2018-09-28 2019-09-13 Image decoding device, image decoding method, and image decoding program
JP2019166981A JP6874804B2 (ja) 2018-09-28 2019-09-13 画像復号装置、画像復号方法、及び画像復号プログラム
BR112021005523-1A BR112021005523A2 (pt) 2018-09-28 2019-09-13 dispositivo de decodificação de imagem, método de decodificação de imagem, e programa de decodificação de imagem
MX2021003467A MX2021003467A (es) 2018-09-28 2019-09-13 Dispositivo de decodificacion de imagenes, metodo de decodificacion de imagenes y programa de decodificacion de imagenes.
CN201980050632.XA CN112514378A (zh) 2018-09-28 2019-09-13 图像解码装置、图像解码方法以及图像解码程序
US17/207,987 US20210211651A1 (en) 2018-09-28 2021-03-22 Picture decoding device, picture decoding method, and picture decoding program, and picture coding device, picture coding method, and picture coding program
JP2021069712A JP7160135B2 (ja) 2018-09-28 2021-04-16 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法、及び画像復号プログラム
JP2022163084A JP7494886B2 (ja) 2018-09-28 2022-10-11 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法、及び画像復号プログラム
JP2024083990A JP7666709B2 (ja) 2018-09-28 2024-05-23 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法、及び画像復号プログラム
JP2025061784A JP7827189B2 (ja) 2018-09-28 2025-04-03 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法、及び画像復号プログラム

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JP2024083990A Active JP7666709B2 (ja) 2018-09-28 2024-05-23 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号装置、画像復号方法、及び画像復号プログラム
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JP7494886B2 (ja) 2024-06-04
JP2020058025A (ja) 2020-04-09
MX2021003467A (es) 2021-06-18
JP2024109817A (ja) 2024-08-14
MY199543A (en) 2023-11-06
WO2020066702A1 (ja) 2020-04-02
EP3860122B1 (en) 2024-03-27
BR112021005523A2 (pt) 2021-06-29
JP2025102946A (ja) 2025-07-08
JP7666709B2 (ja) 2025-04-22
KR20210022755A (ko) 2021-03-03
CN112887719A (zh) 2021-06-01
CN112887719B (zh) 2022-03-15
CN112514378A (zh) 2021-03-16
JP7160135B2 (ja) 2022-10-25
EP3860122A4 (en) 2021-12-01
EP3860122A1 (en) 2021-08-04
US20210211651A1 (en) 2021-07-08
JP2021114781A (ja) 2021-08-05
JP2022188243A (ja) 2022-12-20
KR102702123B1 (ko) 2024-09-02
RU2768956C1 (ru) 2022-03-25
JP7827189B2 (ja) 2026-03-10

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