CN112514395B - 图像解码装置和方法、以及图像编码装置和方法 - Google Patents

图像解码装置和方法、以及图像编码装置和方法 Download PDF

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CN112514395B
CN112514395B CN201980050605.2A CN201980050605A CN112514395B CN 112514395 B CN112514395 B CN 112514395B CN 201980050605 A CN201980050605 A CN 201980050605A CN 112514395 B CN112514395 B CN 112514395B
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motion vector
merge candidate
prediction
block
reference picture
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CN112514395A (zh
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竹原英树
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JVCKenwood Corp
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JVCKenwood Corp
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Priority to CN202310789243.7A priority patent/CN116582667A/zh
Priority to CN202310789241.8A priority patent/CN116582666A/zh
Priority to CN202110325100.1A priority patent/CN112887720B/zh
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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
    • H04N19/50—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
    • H04N19/503—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
    • H04N19/157—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
    • H04N19/134—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
    • 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
    • H04N19/573—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
    • H04N19/50—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
    • H04N19/70—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201980050605.2A 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 Active CN112514395B (zh)

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Application Number Priority Date Filing Date Title
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
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
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
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

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JP2018-233432 2018-12-13
JP2018233432 2018-12-13
JP2019171782A JP6933235B2 (ja) 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
JP2019-171782 2019-09-20
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

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CN202310789241.8A Division 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
CN202310789243.7A Division 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
CN202310789721.4A Division 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

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US20250247543A1 (en) * 2024-01-30 2025-07-31 Google Llc Spatial Motion Vector Prediction With Derived Motion Trajectory
WO2025176194A1 (en) * 2024-02-22 2025-08-28 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
CN119094753B (zh) * 2024-08-01 2025-09-05 联通沃音乐文化有限公司 一种实时视频通信中丢包导致画面质量下降的修复方法

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JP2024051143A (ja) 2024-04-10
JP7639957B2 (ja) 2025-03-05
US20210211648A1 (en) 2021-07-08
KR20210022756A (ko) 2021-03-03
JP7722430B2 (ja) 2025-08-13
JP7251584B2 (ja) 2023-04-04
JP6933235B2 (ja) 2021-09-08
US11563935B2 (en) 2023-01-24
CA3119641A1 (en) 2020-06-18
JP2025083536A (ja) 2025-05-30
JP2024001288A (ja) 2024-01-09
BR112021005875B1 (pt) 2023-03-14
JP2022046467A (ja) 2022-03-23
JP2026063275A (ja) 2026-04-10
BR112021005875A8 (pt) 2022-08-02
BR112021005875A2 (pt) 2021-07-27
JP7810300B2 (ja) 2026-02-03
JP2020099037A (ja) 2020-06-25
KR102600108B1 (ko) 2023-11-08
CN112514395A (zh) 2021-03-16
JP2022003779A (ja) 2022-01-11

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