HRP20180969T1 - Uređaj za dekodiranje video podataka - Google Patents

Uređaj za dekodiranje video podataka Download PDF

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Publication number
HRP20180969T1
HRP20180969T1 HRP20180969TT HRP20180969T HRP20180969T1 HR P20180969 T1 HRP20180969 T1 HR P20180969T1 HR P20180969T T HRP20180969T T HR P20180969TT HR P20180969 T HRP20180969 T HR P20180969T HR P20180969 T1 HRP20180969 T1 HR P20180969T1
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Croatia
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mode
intraprediction
luma
prediction
unit
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HRP20180969TT
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English (en)
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Soo Mi Oh
Moonock Yang
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Infobridge Pte. Ltd.
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Publication of HRP20180969T1 publication Critical patent/HRP20180969T1/hr

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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
    • H04N19/11—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
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    • 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
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    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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    • H04N19/136—Incoming video signal characteristics or properties
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    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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    • 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
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    • 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
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    • 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
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    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Claims (4)

1. Uređaj za dekodiranje video podataka, koji sadrži: jedinicu (250, 320) za dekodiranje predikcijskog režima koja je konfigurirana da odredi luma intrapredikcijski režim i kroma intrapredikcijski režim; jedinicu (330) za određivanje veličine predikcijskog bloka konfiguriranu da odredi veličinu luma transformacijske jedinice i veličinu kroma transformacijske jedinice primjenom informacija o veličini transformacije; jedinicu (340) za generiranje referentnih piksela konfiguriranu za generiranje referentnih piksela ukoliko najmanje jedan referentni piksel nije raspoloživ; jedinicu (350) za filtriranje referentnih piksela konfiguriranu da adaptivno filtrira referentne piksele tekućeg luma bloka na osnovi luma intrapredikcijskog režima i veličine luma transformacijske jedinice i da ne filtrira referentne piksele tekućeg kroma bloka; jedinicu (360) za generiranje predikcijskog bloka konfiguriranu da generira predikcijske blokove tekućeg luma bloka i tekućeg kroma bloka; jedinicu (210, 220, 230, 240) za generiranje rezidualnog bloka konfiguriranu za generiranje luma rezidualnog bloka i kroma rezidualnog bloka, i jedinicu (290) za dodavanje koja zbraja generirani rezidualni blok i generirani predikcijski blok kako bi se generirao rekonstruirani blok, gdje se luma intrapredikcijski režim izvodi korištenjem najvjerojatnijeg režima, MPM, grupu koja sadrži tri intrapredikcijska režima, indikator grupe režima i indeks luma predikcijskog režima, kad je u tekućoj luma predikcijskoj jedinici raspoloživ samo jedan od lijevog intrapredikcijskog režima i gornjeg intrapredikcijskog režima i ukoliko je raspoloživi intrapredikcijski režim neusmjeren režim, tri intrapredikcijska režima u MPM grupi su planarni režim, DC režim i vertikalni režim, i kad je u tekućoj luma predikcijskoj jedinici raspoloživ samo jedan od lijevog intrapredikcijskog režima i gornjeg intrapredikcijskog režima i kad je raspoloživi intrapredikcijski režim usmjereni režim, tri intrapredikcijska režima u MPM grupi su planarni režim, DC režim i raspoloživi intrapredikcijski režim.
2. Uređaj prema Zahtjevu 1, gdje ukoliko je tekuća kroma transformacijska jedinica manja od kroma predikcijske jedinice, za generiranje svih kroma predikcijskih blokova svih pod-blokova unutar kroma predikcijske jedinice koristi se kroma intrapredikcijski režim.
3. Uređaj prema Zahtjevu 1, gdje kada indikator grupe režima ne ukazuje na MPM grupu, luma intrapredikcijski režim se određuje usporedbom indeksa luma predikcijskog režima s tri intrapredikcijska režima iz MPM grupe prema sekvenci tako da se prvo usporedi režim s najmanjim brojem režima od tri intrapredikcijska režima, a da se posljednji usporedi režim s najvećim brojem režima od tri intrapredikcijska režima.
4. Uređaj prema Zahtjevu 3, gdje se indeks luma predikcijskog režima povećava za jedan ukoliko je indeks luma predikcijskog režima veći ili jednak s uspoređenim intrapredikcijskim režimom iz MPM grupe.
HRP20180969TT 2011-11-04 2018-06-26 Uređaj za dekodiranje video podataka HRP20180969T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20110114610A KR20130049526A (ko) 2011-11-04 2011-11-04 복원 블록 생성 방법
EP12845753.8A EP2774374B1 (en) 2011-11-04 2012-11-02 Apparatus of decoding video data
PCT/CN2012/083997 WO2013064100A1 (en) 2011-11-04 2012-11-02 Apparatus of decoding video data

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HRP20180969T1 true HRP20180969T1 (hr) 2018-08-10

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US (11) US9374582B2 (hr)
EP (5) EP2774374B1 (hr)
JP (12) JP5914680B2 (hr)
KR (4) KR20130049526A (hr)
CN (9) CN107770533B (hr)
AU (1) AU2012331602B2 (hr)
BR (5) BR112014007597B1 (hr)
CA (3) CA3087455A1 (hr)
CY (1) CY1120280T1 (hr)
DK (1) DK2774374T3 (hr)
ES (1) ES2673191T3 (hr)
HR (1) HRP20180969T1 (hr)
HU (1) HUE037568T2 (hr)
IL (5) IL231706A (hr)
IN (1) IN2014CN03912A (hr)
LT (1) LT2774374T (hr)
MX (5) MX340887B (hr)
MY (6) MY192962A (hr)
NO (1) NO2774374T3 (hr)
PH (4) PH12016502083A1 (hr)
PL (1) PL2774374T4 (hr)
PT (1) PT2774374T (hr)
RS (1) RS57240B1 (hr)
RU (5) RU2761086C2 (hr)
SG (2) SG10201607022WA (hr)
SI (1) SI2774374T1 (hr)
TW (9) TWI661715B (hr)
WO (1) WO2013064100A1 (hr)

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PH12016502085A1 (en) 2017-03-22
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PT2774374T (pt) 2018-06-07
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RU2016139139A (hr) 2021-05-20
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US20190387229A1 (en) 2019-12-19
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US20180063532A1 (en) 2018-03-01
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RU2016139141A3 (hr) 2019-11-29
BR112014007597A2 (pt) 2017-04-11
CN107396110A (zh) 2017-11-24
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SI2774374T1 (en) 2018-06-29
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US20210168367A1 (en) 2021-06-03
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