HRP20220632T1 - Postupak i sustav za selektivni prekid predviđanja u videokodiranju - Google Patents

Postupak i sustav za selektivni prekid predviđanja u videokodiranju Download PDF

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HRP20220632T1
HRP20220632T1 HRP20220632TT HRP20220632T HRP20220632T1 HR P20220632 T1 HRP20220632 T1 HR P20220632T1 HR P20220632T T HRP20220632T T HR P20220632TT HR P20220632 T HRP20220632 T HR P20220632T HR P20220632 T1 HRP20220632 T1 HR P20220632T1
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Michael Horowitz
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Dolby International Ab
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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
    • H04N19/103—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
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    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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Claims (3)

1. Postupak za dekodiranje bitstreama (206, 301, 401, 501) koji odgovara kodiranoj video slici (201) koja se sastoji od više segmenata pločica (202, 203) koji koegzistiraju s isječcima unutar kodirane video slike tako da je kodirana video slika (201, 301) podijeljena u segmente pločica po granicama segmenta pločica (204) i u isječke po granicama isječaka, postupak sadrži: u odnosu na najmanje jedan segment pločice kodirane video slike koji nema povezano zaglavlje segmenta pločica, dobivanje iz skupa parametara (207) sadržanog u bitstreamu (206, 301, 401, 501) naznaku (313, 414) da operacija adaptivnog pomaka uzorka treba primijeniti preko granica segmenta pločica kodirane video slike, pri čemu je indikacija iz skupa parametara definirana pojedinačno za operaciju prilagodljivog pomaka uzorka i druga indikacija u skupu parametara definirana je za alat za predviđanje, tako da je indikacija za operaciju prilagodljivog pomaka uzorka odvojena od druge indikacije za alat za predviđanje; u odnosu na najmanje jedan isječak, dobivanje iz zaglavlja isječka (405) naznake da se operacija prilagodljivog pomaka uzorka treba primijeniti preko granice isječka, pri čemu je indikacija u zaglavlju isječka definirana pojedinačno za operaciju prilagodljivog pomaka uzorka i druga indikacija u zaglavlju isječka je definirana za alat za predviđanje, tako da je indikacija za operaciju prilagodljivog pomaka uzorka odvojena od druge indikacije za alat za predviđanje; i kontroliranje operacije prilagodljivog pomaka uzorka preko granice segmenta pločice između segmenata pločica kao odgovor na indikaciju iz skupa parametara (207) i upravljanje uzorkom operacije prilagodljivog pomaka uzorka preko granice isječka kao odgovor na indikaciju iz zaglavlja isječka (405), pri čemu kodirana video slika sadrži najmanje dva segmenta pločica bez pridruženog zaglavlja segmenta.
2. Postupak prema zahtjevu 1, naznačen time što ako su granica segmenta pločice i granica presjeka poravnate i naznaka iz skupa parametara je u suprotnosti s naznakom iz zaglavlja isječka, indikacija iz skupa parametara prepisuje indikaciju iz zaglavlja isječka.
3. Postupak prema zahtjevu 1, naznačen time što ako su granica segmenta pločice i granica presjeka poravnate i naznaka iz skupa parametara je u suprotnosti s naznakom iz zaglavlja isječka, indikacija iz zaglavlja isječka prepisuje indikaciju iz skupa parametara.
HRP20220632TT 2010-12-28 2011-12-28 Postupak i sustav za selektivni prekid predviđanja u videokodiranju HRP20220632T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201061427569P 2010-12-28 2010-12-28
US13/336,475 US9060174B2 (en) 2010-12-28 2011-12-23 Method and system for selectively breaking prediction in video coding
EP18197423.9A EP3445051B1 (en) 2010-12-28 2011-12-28 Method and system for selectively breaking prediction in video coding

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HRP20220632T1 true HRP20220632T1 (hr) 2022-07-08

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Application Number Title Priority Date Filing Date
HRP20220632TT HRP20220632T1 (hr) 2010-12-28 2011-12-28 Postupak i sustav za selektivni prekid predviđanja u videokodiranju
HRP20181962TT HRP20181962T1 (hr) 2010-12-28 2018-11-22 Postupak za selektivno raskidanje predviđanja u video kodiranju
HRP20201314TT HRP20201314T1 (hr) 2010-12-28 2020-08-21 Postupak segmentacije slike pomoću stupaca

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HRP20181962TT HRP20181962T1 (hr) 2010-12-28 2018-11-22 Postupak za selektivno raskidanje predviđanja u video kodiranju
HRP20201314TT HRP20201314T1 (hr) 2010-12-28 2020-08-21 Postupak segmentacije slike pomoću stupaca

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Country Link
US (14) US10244239B2 (hr)
EP (6) EP3445051B1 (hr)
CN (17) CN107071408B (hr)
CY (2) CY1121428T1 (hr)
DK (3) DK2659679T3 (hr)
ES (3) ES2811234T3 (hr)
HK (1) HK1243570A1 (hr)
HR (3) HRP20220632T1 (hr)
HU (2) HUE051603T2 (hr)
LT (3) LT3445051T (hr)
PL (3) PL2659679T3 (hr)
PT (3) PT3445051T (hr)
RS (3) RS60712B1 (hr)
SI (3) SI2659679T1 (hr)
WO (2) WO2012088594A1 (hr)

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HUE058729T2 (hu) 2022-09-28
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EP2659679A1 (en) 2013-11-06
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