JP7697882B2 - 対称的な動きベクトル差分符号化 - Google Patents

対称的な動きベクトル差分符号化 Download PDF

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JP7697882B2
JP7697882B2 JP2021535909A JP2021535909A JP7697882B2 JP 7697882 B2 JP7697882 B2 JP 7697882B2 JP 2021535909 A JP2021535909 A JP 2021535909A JP 2021535909 A JP2021535909 A JP 2021535909A JP 7697882 B2 JP7697882 B2 JP 7697882B2
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JP2022516433A (ja
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ルオ、チャンコン
シウ、シャオユウ
フ、ユーウェン
ヤン、フー
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インターデイジタル ヴィーシー ホールディングス インコーポレイテッド
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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
    • H04N19/134—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
    • H04N19/157—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
    • H04N19/46—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
    • H04N19/50—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
    • H04N19/577—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
    • H04N19/70—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)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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US201862783437P 2018-12-21 2018-12-21
US62/783,437 2018-12-21
US201962787321P 2019-01-01 2019-01-01
US62/787,321 2019-01-01
US201962792710P 2019-01-15 2019-01-15
US62/792,710 2019-01-15
US201962798674P 2019-01-30 2019-01-30
US62/798,674 2019-01-30
US201962809308P 2019-02-22 2019-02-22
US62/809,308 2019-02-22
PCT/US2019/067527 WO2020132272A1 (en) 2018-12-21 2019-12-19 Symmetric motion vector difference coding

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KR102928235B1 (ko) * 2019-03-08 2026-02-19 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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JP2025081627A (ja) 2025-05-27
US20230125740A1 (en) 2023-04-27
US12095998B2 (en) 2024-09-17
IL310462B1 (en) 2025-03-01
TWI911646B (zh) 2026-01-11
IL284179B2 (en) 2024-06-01
US20240406406A1 (en) 2024-12-05
EP4576783A3 (en) 2025-08-13
EP3900343A1 (en) 2021-10-27
CN113615186A (zh) 2021-11-05
IL310462B2 (en) 2025-07-01
TW202038626A (zh) 2020-10-16
IL284179A (en) 2021-08-31
EP3900343B1 (en) 2025-06-18
TW202435617A (zh) 2024-09-01
EP4576783A2 (en) 2025-06-25
US11546604B2 (en) 2023-01-03
FI3900343T3 (fi) 2025-07-30
IL310462A (en) 2024-03-01
JP2022516433A (ja) 2022-02-28
KR20210113187A (ko) 2021-09-15
IL284179B1 (en) 2024-02-01
US20220150505A1 (en) 2022-05-12
CN113615186B (zh) 2024-05-10
CN118433390A (zh) 2024-08-02
TWI835958B (zh) 2024-03-21
WO2020132272A1 (en) 2020-06-25

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