BR112021006724A2 - Método de conversão de figuração em código aplicado a um codificador, método de decodificação de figuração aplicado a um decodificador, decodificador, e mídia de armazenamento legível por computador - Google Patents

Método de conversão de figuração em código aplicado a um codificador, método de decodificação de figuração aplicado a um decodificador, decodificador, e mídia de armazenamento legível por computador

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Publication number
BR112021006724A2
BR112021006724A2 BR112021006724A BR112021006724A BR112021006724A2 BR 112021006724 A2 BR112021006724 A2 BR 112021006724A2 BR 112021006724 A BR112021006724 A BR 112021006724A BR 112021006724 A BR112021006724 A BR 112021006724A BR 112021006724 A2 BR112021006724 A2 BR 112021006724A2
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BR
Brazil
Prior art keywords
decoder
method applied
parameters
picture
encoder
Prior art date
Application number
BR112021006724A
Other languages
English (en)
Portuguese (pt)
Inventor
Fuzheng Yang
Haixin Wang
Jinkun Guo
Junyan Huo
Shuai Wan
Yanzhuo Ma
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of BR112021006724A2 publication Critical patent/BR112021006724A2/pt

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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
    • H04N19/50—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

Landscapes

  • 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)
BR112021006724A 2019-06-25 2019-06-25 Método de conversão de figuração em código aplicado a um codificador, método de decodificação de figuração aplicado a um decodificador, decodificador, e mídia de armazenamento legível por computador BR112021006724A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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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BR112021006724A2 true BR112021006724A2 (pt) 2022-02-01

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US (7) US11146798B2 (https=)
EP (5) EP3820151B1 (https=)
JP (6) JP7448563B2 (https=)
KR (6) KR20250138286A (https=)
CN (8) CN112514381A (https=)
AU (5) AU2019455073B2 (https=)
BR (1) BR112021006724A2 (https=)
CA (2) CA3112849C (https=)
ES (1) ES2950980T3 (https=)
IL (5) IL281400B2 (https=)
MX (1) MX2021004541A (https=)
PH (1) PH12021550517A1 (https=)
PL (1) PL3820151T3 (https=)
SG (1) SG11202102562WA (https=)
WO (1) WO2020258010A1 (https=)
ZA (1) ZA202101697B (https=)

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CN120034647B (zh) 2025-12-05
IL324917A (en) 2026-01-01
PL3820151T3 (pl) 2023-08-14
US20250294165A1 (en) 2025-09-18
JP2026009301A (ja) 2026-01-19
EP3820151A1 (en) 2021-05-12
KR20250138286A (ko) 2025-09-19
KR20250138287A (ko) 2025-09-19
US12192479B2 (en) 2025-01-07
JP7674550B2 (ja) 2025-05-09
IL281400B1 (en) 2024-01-01
JP7448563B2 (ja) 2024-03-12
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
EP3820151B1 (en) 2023-06-14
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
IL281400A (en) 2021-04-29
CA3208670A1 (en) 2020-12-30
US20250088643A1 (en) 2025-03-13
US20210218971A1 (en) 2021-07-15
CA3112849C (en) 2023-10-17
KR20250161671A (ko) 2025-11-17
IL324916A (en) 2026-01-01
AU2025202142A1 (en) 2025-04-10
CN113068032A (zh) 2021-07-02
JP2025100831A (ja) 2025-07-03
EP4694125A2 (en) 2026-02-11
US11146798B2 (en) 2021-10-12
AU2019455073A1 (en) 2021-04-08
CN121262363A (zh) 2026-01-02
IL309549A (en) 2024-02-01
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KR20250136435A (ko) 2025-09-16
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CN113068032B (zh) 2022-07-26
AU2025202141A1 (en) 2025-04-10
EP4228256A1 (en) 2023-08-16
CN120034647A (zh) 2025-05-23
EP4694124A2 (en) 2026-02-11
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EP4694126A2 (en) 2026-02-11
US20260039837A1 (en) 2026-02-05
AU2019455073B2 (en) 2025-02-06
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US20260039835A1 (en) 2026-02-05
CN115150612B (zh) 2025-03-11
AU2025202148A1 (en) 2025-04-10
CN121239842A (zh) 2025-12-30
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IL324915A (en) 2026-01-01
JP2026009300A (ja) 2026-01-19

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