KR20250138286A - 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체 - Google Patents

이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체

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Publication number
KR20250138286A
KR20250138286A KR1020257029754A KR20257029754A KR20250138286A KR 20250138286 A KR20250138286 A KR 20250138286A KR 1020257029754 A KR1020257029754 A KR 1020257029754A KR 20257029754 A KR20257029754 A KR 20257029754A KR 20250138286 A KR20250138286 A KR 20250138286A
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offset parameter
mip mode
mip
current block
encoding
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KR1020257029754A
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Korean (ko)
Inventor
슈아이 완
준옌 훠
옌주오 마
푸쩡 양
진쿤 구오
하이씬 왕
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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Publication of KR20250138286A publication Critical patent/KR20250138286A/ko
Pending legal-status Critical Current

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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
    • 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
    • H04N19/102—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
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • 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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  • Engineering & Computer Science (AREA)
  • 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)
KR1020257029754A 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체 Pending KR20250138286A (ko)

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KR1020217016992A KR102859555B1 (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
PCT/CN2019/092689 WO2020258010A1 (zh) 2019-06-25 2019-06-25 图像编解码方法、编码器、解码器以及存储介质

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KR1020217016992A Active KR102859555B1 (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257036988A Pending KR20250161671A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029745A Pending KR20250136435A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029807A Pending KR20250135352A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029780A Pending KR20250138287A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체

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KR1020257036988A Pending KR20250161671A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029745A Pending KR20250136435A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029807A Pending KR20250135352A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
KR1020257029780A Pending KR20250138287A (ko) 2019-06-25 2019-06-25 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체

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IL324917A (en) 2026-01-01
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US20250294165A1 (en) 2025-09-18
JP2026009301A (ja) 2026-01-19
EP3820151A1 (en) 2021-05-12
KR20250138287A (ko) 2025-09-19
US12192479B2 (en) 2025-01-07
JP7674550B2 (ja) 2025-05-09
IL281400B1 (en) 2024-01-01
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AU2025202149A1 (en) 2025-04-10
ZA202101697B (en) 2022-07-27
KR20220023324A (ko) 2022-03-02
US20210352298A1 (en) 2021-11-11
EP4694124A3 (en) 2026-04-01
CA3112849A1 (en) 2020-12-30
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CN115150612A (zh) 2022-10-04
PH12021550517A1 (en) 2022-02-21
KR20250135352A (ko) 2025-09-12
MX2021004541A (es) 2021-06-15
WO2020258010A1 (zh) 2020-12-30
KR102859555B1 (ko) 2025-09-12
CN112514381A (zh) 2021-03-16
CN120034648A (zh) 2025-05-23
ES2950980T3 (es) 2023-10-17
JP2026009299A (ja) 2026-01-19
CN121462761A (zh) 2026-02-03
US20260039836A1 (en) 2026-02-05
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US20210218971A1 (en) 2021-07-15
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KR20250161671A (ko) 2025-11-17
IL324916A (en) 2026-01-01
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