AU2020327342B2 - Encoding and decoding method, apparatus and communication system - Google Patents

Encoding and decoding method, apparatus and communication system

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Publication number
AU2020327342B2
AU2020327342B2 AU2020327342A AU2020327342A AU2020327342B2 AU 2020327342 B2 AU2020327342 B2 AU 2020327342B2 AU 2020327342 A AU2020327342 A AU 2020327342A AU 2020327342 A AU2020327342 A AU 2020327342A AU 2020327342 B2 AU2020327342 B2 AU 2020327342B2
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Prior art keywords
mip
prediction
samples
current block
shifting
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AU2020327342A1 (en
Inventor
Junyan Huo
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of AU2020327342A1 publication Critical patent/AU2020327342A1/en
Application granted granted Critical
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Priority to AU2026200825A priority Critical patent/AU2026200825A1/en
Priority to AU2026200826A priority patent/AU2026200826A1/en
Priority to AU2026200827A priority patent/AU2026200827A1/en
Priority to AU2026200828A priority patent/AU2026200828A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AU2020327342A 2019-10-04 2020-09-25 Encoding and decoding method, apparatus and communication system Active AU2020327342B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2026200825A AU2026200825A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200826A AU2026200826A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200827A AU2026200827A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200828A AU2026200828A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962911166P 2019-10-04 2019-10-04
US62/911,166 2019-10-04
PCT/CN2020/117911 WO2021063270A1 (en) 2019-10-04 2020-09-25 Encoding and decoding method, apparatus and communication system

Related Child Applications (4)

Application Number Title Priority Date Filing Date
AU2026200828A Division AU2026200828A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200825A Division AU2026200825A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200827A Division AU2026200827A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200826A Division AU2026200826A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system

Publications (2)

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AU2020327342A1 AU2020327342A1 (en) 2021-04-22
AU2020327342B2 true AU2020327342B2 (en) 2025-11-20

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AU2020327342A Active AU2020327342B2 (en) 2019-10-04 2020-09-25 Encoding and decoding method, apparatus and communication system
AU2026200827A Pending AU2026200827A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200826A Pending AU2026200826A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200825A Pending AU2026200825A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200828A Pending AU2026200828A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system

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AU2026200826A Pending AU2026200826A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200825A Pending AU2026200825A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system
AU2026200828A Pending AU2026200828A1 (en) 2019-10-04 2026-02-05 Encoding and decoding method, apparatus and communication system

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Country Link
US (2) US11388407B2 (https=)
EP (1) EP3827591B1 (https=)
JP (7) JP7662514B2 (https=)
KR (3) KR20250167124A (https=)
CN (1) CN112616057B (https=)
AU (5) AU2020327342B2 (https=)
BR (1) BR112021006725A2 (https=)
CA (1) CA3109298C (https=)
ES (1) ES2940075T3 (https=)
IL (6) IL280722B2 (https=)
MX (5) MX2021003414A (https=)
MY (1) MY206379A (https=)
PL (1) PL3827591T3 (https=)
SG (1) SG11202101567TA (https=)
WO (1) WO2021063270A1 (https=)
ZA (1) ZA202101277B (https=)

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MX2024011656A (es) 2024-09-27
CA3109298C (en) 2024-02-20
EP3827591B1 (en) 2023-01-11
SG11202101567TA (en) 2021-05-28
CN112616057B (zh) 2024-08-23
CN112616057A (zh) 2021-04-06
JP2025102924A (ja) 2025-07-08
BR112021006725A2 (pt) 2022-04-19
MX2021003414A (es) 2021-06-15
IL326060A (en) 2026-03-01
EP3827591A4 (en) 2021-08-25
AU2026200826A1 (en) 2026-02-26
ES2940075T3 (es) 2023-05-03
JP7752228B2 (ja) 2025-10-09
IL321420A (en) 2025-08-01
KR20250167124A (ko) 2025-11-28
JP7662514B2 (ja) 2025-04-15
ZA202101277B (en) 2022-01-26
MX2024011658A (es) 2024-09-27
MY206379A (en) 2024-12-13
US11785221B2 (en) 2023-10-10
PL3827591T3 (pl) 2023-04-24
IL326059A (en) 2026-03-01
US11388407B2 (en) 2022-07-12
JP7755030B2 (ja) 2025-10-15
MX2024011655A (es) 2024-11-08
AU2026200828A1 (en) 2026-02-26
IL280722A (en) 2021-04-29
KR20220068950A (ko) 2022-05-26
JP7834912B2 (ja) 2026-03-24
JP2025024236A (ja) 2025-02-19
US20210235090A1 (en) 2021-07-29
IL321418A (en) 2025-08-01
EP3827591A1 (en) 2021-06-02
MX2024011657A (es) 2024-09-27
JP2026004482A (ja) 2026-01-14
IL280722B2 (en) 2025-12-01
JP2026048877A (ja) 2026-03-17
AU2026200827A1 (en) 2026-02-26
WO2021063270A1 (en) 2021-04-08
IL280722B1 (en) 2025-08-01
CA3109298A1 (en) 2021-04-04
IL321419B1 (en) 2026-03-01
KR20250162962A (ko) 2025-11-19
IL321418B1 (en) 2026-03-01
JP2022551542A (ja) 2022-12-12
US20220264100A1 (en) 2022-08-18
JP2026048876A (ja) 2026-03-17
AU2020327342A1 (en) 2021-04-22
AU2026200825A1 (en) 2026-02-26
IL321419A (en) 2025-08-01
JP2025027028A (ja) 2025-02-26

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