BR112021000352A2 - Combinação de intrapredição dependente de posição com intrapredição de ângulo amplo - Google Patents

Combinação de intrapredição dependente de posição com intrapredição de ângulo amplo Download PDF

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Publication number
BR112021000352A2
BR112021000352A2 BR112021000352-5A BR112021000352A BR112021000352A2 BR 112021000352 A2 BR112021000352 A2 BR 112021000352A2 BR 112021000352 A BR112021000352 A BR 112021000352A BR 112021000352 A2 BR112021000352 A2 BR 112021000352A2
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Brazil
Prior art keywords
prediction
determining
current block
sample
coordinate
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BR112021000352-5A
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English (en)
Portuguese (pt)
Inventor
Geert Van der Auwera
Adarsh Krishnan Ramasubramonian
Marta Karczewicz
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Qualcomm Incorporated
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Publication of BR112021000352A2 publication Critical patent/BR112021000352A2/pt

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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
    • H04N19/134Methods 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
    • H04N19/102Methods 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
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/119Adaptive 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
    • H04N19/134Methods 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
    • H04N19/156Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021000352-5A 2018-07-16 2019-07-15 Combinação de intrapredição dependente de posição com intrapredição de ângulo amplo BR112021000352A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862698804P 2018-07-16 2018-07-16
US62/698,804 2018-07-16
US16/510,863 2019-07-12
US16/510,863 US11128872B2 (en) 2018-07-16 2019-07-12 Position dependent intra prediction combination with wide angle intra prediction
PCT/US2019/041853 WO2020018446A1 (en) 2018-07-16 2019-07-15 Position dependent intra prediction combination with wide angle intra prediction

Publications (1)

Publication Number Publication Date
BR112021000352A2 true BR112021000352A2 (pt) 2021-04-06

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US (1) US11128872B2 (enExample)
EP (1) EP3824625A1 (enExample)
JP (1) JP7150130B2 (enExample)
KR (2) KR20210030352A (enExample)
CN (2) CN112449753B (enExample)
AU (1) AU2019306205B2 (enExample)
BR (1) BR112021000352A2 (enExample)
CA (1) CA3105383C (enExample)
CL (1) CL2021000091A1 (enExample)
CO (1) CO2021000176A2 (enExample)
IL (1) IL279740B2 (enExample)
MX (1) MX2021000390A (enExample)
MY (1) MY204306A (enExample)
NZ (1) NZ771588A (enExample)
PH (1) PH12020552289A1 (enExample)
SA (1) SA521421005B1 (enExample)
SG (1) SG11202013067QA (enExample)
TW (1) TWI767130B (enExample)
WO (1) WO2020018446A1 (enExample)
ZA (1) ZA202101015B (enExample)

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Publication number Publication date
CN118509587A (zh) 2024-08-16
CO2021000176A2 (es) 2021-01-18
IL279740B1 (en) 2023-05-01
JP7150130B2 (ja) 2022-10-07
PH12020552289A1 (en) 2021-11-22
CN112449753A (zh) 2021-03-05
ZA202101015B (en) 2024-09-25
US20200021817A1 (en) 2020-01-16
CL2021000091A1 (es) 2021-07-30
CA3105383A1 (en) 2020-01-23
TWI767130B (zh) 2022-06-11
MX2021000390A (es) 2022-09-26
US11128872B2 (en) 2021-09-21
CA3105383C (en) 2024-04-30
TW202032983A (zh) 2020-09-01
SG11202013067QA (en) 2021-02-25
KR20220127949A (ko) 2022-09-20
SA521421005B1 (ar) 2024-02-13
MY204306A (en) 2024-08-22
IL279740B2 (en) 2023-09-01
JP2021530906A (ja) 2021-11-11
AU2019306205A1 (en) 2021-01-28
NZ771588A (en) 2023-02-24
AU2019306205B2 (en) 2023-04-13
IL279740A (en) 2021-03-01
KR20210030352A (ko) 2021-03-17
CN112449753B (zh) 2024-06-21
EP3824625A1 (en) 2021-05-26
WO2020018446A1 (en) 2020-01-23

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