JP6933235B2 - 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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JP6933235B2
JP6933235B2 JP2019171782A JP2019171782A JP6933235B2 JP 6933235 B2 JP6933235 B2 JP 6933235B2 JP 2019171782 A JP2019171782 A JP 2019171782A JP 2019171782 A JP2019171782 A JP 2019171782A JP 6933235 B2 JP6933235 B2 JP 6933235B2
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merge candidate
prediction
motion vector
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JP2020099037A (ja
JP2020099037A5 (enExample
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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 KR1020237038090A priority Critical patent/KR102748924B1/ko
Priority to PCT/JP2019/048855 priority patent/WO2020122224A1/ja
Priority to KR1020217003083A priority patent/KR102600108B1/ko
Priority to CN202310789243.7A priority patent/CN116582667A/zh
Priority to EP25163949.8A priority patent/EP4546782A3/en
Priority to BR112021005875-3A priority patent/BR112021005875B1/pt
Priority to RU2022110107A priority patent/RU2789732C2/ru
Priority to MX2021003506A priority patent/MX2021003506A/es
Priority to CN202310789721.4A priority patent/CN116600108A/zh
Priority to MYPI2021001405A priority patent/MY199614A/en
Priority to CA3119641A priority patent/CA3119641A1/en
Priority to EP19896609.5A priority patent/EP3896972B1/en
Priority to CA3250456A priority patent/CA3250456A1/en
Priority to CN202310789241.8A priority patent/CN116582666A/zh
Priority to CN202110325100.1A priority patent/CN112887720B/zh
Priority to KR1020247043048A priority patent/KR20250008140A/ko
Priority to CN201980050605.2A priority patent/CN112514395B/zh
Priority to RU2021108001A priority patent/RU2770794C1/ru
Publication of JP2020099037A publication Critical patent/JP2020099037A/ja
Priority to MX2024013022A priority patent/MX2024013022A/es
Priority to US17/210,629 priority patent/US11563935B2/en
Priority to ZA2021/02033A priority patent/ZA202102033B/en
Publication of JP2020099037A5 publication Critical patent/JP2020099037A5/ja
Priority to CL2021001412A priority patent/CL2021001412A1/es
Priority to JP2021128928A priority patent/JP7318686B2/ja
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Priority to US18/066,030 priority patent/US11758129B2/en
Priority to US18/358,189 priority patent/US12284334B2/en
Priority to US19/084,317 priority patent/US20250220160A1/en
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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
    • H04N19/134—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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    • 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
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    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/136—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
    • H04N19/50—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

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2019171782A 2018-12-13 2019-09-20 画像復号装置、画像復号方法、及び画像復号プログラム Active JP6933235B2 (ja)

Priority Applications (26)

Application Number Priority Date Filing Date Title
CN202110325100.1A CN112887720B (zh) 2018-12-13 2019-12-13 图像解码装置和方法、以及图像编码装置和方法
KR1020217003083A KR102600108B1 (ko) 2018-12-13 2019-12-13 화상 복호 장치, 화상 복호 방법, 화상 복호 프로그램, 화상 부호화 장치, 화상 부호화 방법 및, 화상 부호화 프로그램
CN202310789243.7A CN116582667A (zh) 2018-12-13 2019-12-13 图像解码装置和方法、以及图像编码装置和方法
EP25163949.8A EP4546782A3 (en) 2018-12-13 2019-12-13 Image decoding device, image decoding method, and image decoding program
BR112021005875-3A BR112021005875B1 (pt) 2018-12-13 2019-12-13 Dispositivo de decodificação de imagem, método de decodificação de imagem, dispositivo de codificação de imagem e método de codificação de imagem
RU2022110107A RU2789732C2 (ru) 2018-12-13 2019-12-13 Устройство декодирования изображения и способ декодирования изображения
MX2021003506A MX2021003506A (es) 2018-12-13 2019-12-13 Dispositivo de decodificacion de imagenes, metodo de decodificacion de imagenes y programa de decodificacion de imagenes.
CN201980050605.2A CN112514395B (zh) 2018-12-13 2019-12-13 图像解码装置和方法、以及图像编码装置和方法
MYPI2021001405A MY199614A (en) 2018-12-13 2019-12-13 Image decoding device, image decoding method, and image decoding program
CA3119641A CA3119641A1 (en) 2018-12-13 2019-12-13 Image decoding device, image decoding method, and image decoding program
EP19896609.5A EP3896972B1 (en) 2018-12-13 2019-12-13 Image decoding device, image decoding method, and image decoding program
CA3250456A CA3250456A1 (en) 2018-12-13 2019-12-13 Image decoding device, image decoding method, and image decoding program
CN202310789241.8A CN116582666A (zh) 2018-12-13 2019-12-13 图像解码装置和方法、以及图像编码装置和方法
KR1020247043048A KR20250008140A (ko) 2018-12-13 2019-12-13 화상 복호 장치, 화상 복호 방법, 화상 복호 프로그램 기록 매체, 화상 부호화 장치, 화상 부호화 방법, 화상 부호화 프로그램 기록 매체, 격납 방법, 및 전송 방법
KR1020237038090A KR102748924B1 (ko) 2018-12-13 2019-12-13 화상 복호 장치, 화상 복호 방법, 화상 복호 프로그램 기록 매체, 화상 부호화 장치, 화상 부호화 방법, 화상 부호화 프로그램 기록 매체, 격납 방법, 및 전송 방법
CN202310789721.4A CN116600108A (zh) 2018-12-13 2019-12-13 图像解码装置和方法、以及图像编码装置和方法
PCT/JP2019/048855 WO2020122224A1 (ja) 2018-12-13 2019-12-13 画像復号装置、画像復号方法、及び画像復号プログラム
RU2021108001A RU2770794C1 (ru) 2018-12-13 2019-12-13 Устройство декодирования изображения, способ декодирования изображения
MX2024013022A MX2024013022A (es) 2018-12-13 2021-03-24 Dispositivo de decodificacion de imagenes, metodo de decodificacion de imagenes y programa de decodificacion de imagenes
US17/210,629 US11563935B2 (en) 2018-12-13 2021-03-24 Image decoding device, image decoding method, and image decoding program
ZA2021/02033A ZA202102033B (en) 2018-12-13 2021-03-25 Image decoding device, image decoding method, and image decoding program
CL2021001412A CL2021001412A1 (es) 2018-12-13 2021-05-28 Dispositivo de decodificación de imágenes, método de decodificación de imágenes y programa de decodificación de imágenes
JP2021128928A JP7318686B2 (ja) 2018-12-13 2021-08-05 画像復号装置、画像復号方法、及び画像復号プログラム
US18/066,030 US11758129B2 (en) 2018-12-13 2022-12-14 Image decoding device, image decoding method, and image decoding program
US18/358,189 US12284334B2 (en) 2018-12-13 2023-07-25 Image decoding device, image decoding method, and image decoding program
US19/084,317 US20250220160A1 (en) 2018-12-13 2025-03-19 Image decoding device, image decoding method, and image decoding program

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