JP7448563B2 - 画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 - Google Patents

画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 Download PDF

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JP7448563B2
JP7448563B2 JP2021568185A JP2021568185A JP7448563B2 JP 7448563 B2 JP7448563 B2 JP 7448563B2 JP 2021568185 A JP2021568185 A JP 2021568185A JP 2021568185 A JP2021568185 A JP 2021568185A JP 7448563 B2 JP7448563 B2 JP 7448563B2
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offset parameter
mip mode
initial
right shift
matrix
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JP2022542210A (ja
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ワン、シューアイ
フオ、チュンイェン
マー、イェンチュオ
ヤン、フーチョン
クオ、チンクン
ワン、ハイシン
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2021568185A 2019-06-25 2019-06-25 画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 Active JP7448563B2 (ja)

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JP2025070555A JP2025100831A (ja) 2019-06-25 2025-04-22 画像コーデック方法、画像デコーデック方法、およびデコーダ

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CN120034647B (zh) 2025-12-05
PL3820151T3 (pl) 2023-08-14
EP3820151B1 (en) 2023-06-14
CN120034647A (zh) 2025-05-23
AU2025202148A1 (en) 2025-04-10
AU2025202141A1 (en) 2025-04-10
US11146798B2 (en) 2021-10-12
CA3112849A1 (en) 2020-12-30
JP2024059922A (ja) 2024-05-01
IL281400A (en) 2021-04-29
JP2022542210A (ja) 2022-09-30
US20250088643A1 (en) 2025-03-13
CN113068032B (zh) 2022-07-26
IL309549A (en) 2024-02-01
WO2020258010A1 (zh) 2020-12-30
KR20250135352A (ko) 2025-09-12
CN115150612A (zh) 2022-10-04
ES2950980T3 (es) 2023-10-17
SG11202102562WA (en) 2021-04-29
KR20250138286A (ko) 2025-09-19
CN120034648A (zh) 2025-05-23
EP3820151A4 (en) 2021-06-16
US20210352298A1 (en) 2021-11-11
US20250294165A1 (en) 2025-09-18
IL281400B1 (en) 2024-01-01
IL281400B2 (en) 2024-05-01
EP3820151A1 (en) 2021-05-12
CN112514381A (zh) 2021-03-16
CN113068032A (zh) 2021-07-02
CA3112849C (en) 2023-10-17
KR20250136435A (ko) 2025-09-16
AU2025202142A1 (en) 2025-04-10
KR20220023324A (ko) 2022-03-02
US20210218971A1 (en) 2021-07-15
KR102859555B1 (ko) 2025-09-12
AU2019455073B2 (en) 2025-02-06
BR112021006724A2 (pt) 2022-02-01
PH12021550517A1 (en) 2022-02-21
AU2025202149A1 (en) 2025-04-10
AU2019455073A1 (en) 2021-04-08
CN115150612B (zh) 2025-03-11
MX2021004541A (es) 2021-06-15
EP4228256A1 (en) 2023-08-16
CA3208670A1 (en) 2020-12-30
KR20250161671A (ko) 2025-11-17
ZA202101697B (en) 2022-07-27

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