CA3035587C - Motion vector prediction for affine motion models in video coding - Google Patents

Motion vector prediction for affine motion models in video coding Download PDF

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Publication number
CA3035587C
CA3035587C CA3035587A CA3035587A CA3035587C CA 3035587 C CA3035587 C CA 3035587C CA 3035587 A CA3035587 A CA 3035587A CA 3035587 A CA3035587 A CA 3035587A CA 3035587 C CA3035587 C CA 3035587C
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block
affine
motion vector
current block
source
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French (fr)
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CA3035587A1 (en
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Yi-Wen Chen
Wei-Jung Chien
Li Zhang
Yu-chen SUN
Jianle Chen
Marta Karczewicz
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/105—Selection 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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3035587A 2016-10-05 2017-10-05 Motion vector prediction for affine motion models in video coding Active CA3035587C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662404719P 2016-10-05 2016-10-05
US62/404,719 2016-10-05
US15/725,052 US10448010B2 (en) 2016-10-05 2017-10-04 Motion vector prediction for affine motion models in video coding
US15/725,052 2017-10-04
PCT/US2017/055350 WO2018067823A1 (en) 2016-10-05 2017-10-05 Motion vector prediction for affine motion models in video coding

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CA3035587A1 CA3035587A1 (en) 2018-04-12
CA3035587C true CA3035587C (en) 2022-07-19

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US (2) US10448010B2 (enExample)
EP (2) EP3758378B1 (enExample)
JP (1) JP6817425B2 (enExample)
KR (1) KR102147614B1 (enExample)
CN (1) CN109792533B (enExample)
AU (1) AU2017340631B2 (enExample)
BR (1) BR112019006838A2 (enExample)
CA (1) CA3035587C (enExample)
ES (1) ES2841312T3 (enExample)
HU (1) HUE051174T2 (enExample)
MX (1) MX2019003762A (enExample)
MY (1) MY200181A (enExample)
PH (1) PH12019500417A1 (enExample)
RU (1) RU2718225C1 (enExample)
SG (1) SG11201901632QA (enExample)
TW (1) TWI696384B (enExample)
WO (1) WO2018067823A1 (enExample)

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