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HRP20190708T1 - Uređaj za kodiranje slike - Google Patents

Uređaj za kodiranje slike Download PDF

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Publication number
HRP20190708T1
HRP20190708T1 HRP20190708TT HRP20190708T HRP20190708T1 HR P20190708 T1 HRP20190708 T1 HR P20190708T1 HR P20190708T T HRP20190708T T HR P20190708TT HR P20190708 T HRP20190708 T HR P20190708T HR P20190708 T1 HRP20190708 T1 HR P20190708T1
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HR
Croatia
Prior art keywords
block
unit
quantized transform
intra
frame prediction
Prior art date
Application number
HRP20190708TT
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English (en)
Inventor
Soo Mi Oh
Moonock Yang
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M&K Holdings Inc.
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45559906&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HRP20190708(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by M&K Holdings Inc. filed Critical M&K Holdings Inc.
Publication of HRP20190708T1 publication Critical patent/HRP20190708T1/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods 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
    • 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
    • H04N19/157—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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • 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
    • H04N19/12—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
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/10—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—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
    • H04N19/90—Methods 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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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)
  • Magnetic Resonance Imaging Apparatus (AREA)

Claims (3)

1. Uređaj za kodiranje slike, uređaj sadrži: jedinicu unutarokvirnog predviđanja (150) konfiguriranu tako da stvara blok predviđanja koji odgovara trenutnom bloku u skladu s načinom unutarokvirnog predviđanja koji je odabran iz više načina unutarokvirnog predviđanja; transformatorsku jedinicu (120) koja je konfigurirana tako da transformira preostali blok dobiven računajući razliku između izvornog bloka trenutnog bloka i predskupnog bloka da se generira blok transformacije; kvantizacijsku jedinicu (130) konfiguriranu da kvantizira transformacijski blok za generiranje kvantiziranog transformacijskog bloka koristeći veličinu koraka kvantizacije; jedinicu za skeniranje (131) konfiguriranu za skeniranje kvantiziranih koeficijenata transformacije kvantiziranog transformacijskog bloka da bi se generirali jednodimenzionalni (1D) kvantizirajući koeficijenti transformacije; i jedinicu za kodiranje entropije (140) konfiguriranu za entropijsko kodiranje 1D kvantiziranih koeficijenata transformacije, pri čemu, kada je veličina transformatog bloka veća od 4x4, jedinica za skeniranje (131) dijeli kvantizirane koeficijente transformacije u više pod-blokova i jedinica za skeniranje (131) skenira mnoštvo pod-blokova i kvantiziranih koeficijenata transformacije svakog pod-bloka pomoću uzorka skeniranja određenog prema odabranom načinu unutarokvirnog predviđanja, pri čemu kada je odabrani način unutarokvirnog predviđanja vodoravan, način skeniranja je vertikalno skeniranje, pri čemu se informacija koja pokazuje položaj posljednjeg ne-nultog koeficijenta kvantiziranog transformacijskog bloka prenosi u dekoder, pri čemu jedinica unutarokvirnog predviđanja (150) uključuje: jedinicu za generiranje referentnih piksela (151) koja je konfigurirana za generiranje referentnih piksela upotrebom raspoloživih referentnih piksela trenutnog bloka kada postoje nedostupni referentni pikseli; referentnu jedinicu za filtriranje piksela (152) konfiguriranu tako da prilagodljivo filtrira referentne piksele susjedne trenutnom bloku na temelju odabranog načina unutarokvirnog predviđanja i veličine trenutnog bloka; jedinicu za generiranje blok predviđanja (153) konfiguriranu da generira blok predviđanja trenutnog bloka prema odabranom načinu unutarokvirnog predviđanja; i blokirajuću jedinicu za filtriranje predviđanja (154) konfiguriranu tako da prilagodljivo filtrira neke piksele predviđanja blok predviđanja na temelju odabranog načina unutarokvirnog predviđanja i veličine trenutnog bloka.
2. Uređaj prema zahtjevu 1, naznačen time što jedinica za kvantizaciju (130) određuje prosjek od dvije važeće veličine kvantizacijskog koraka od veličine koraka kvantizacije lijeve jedinice kodiranja strujne jedinice kodiranja, veličina kvantizacijskog koraka gore navedene jedinice, kodiranja trenutne jedinice za kodiranje i veličinu koraka kvantizacije prethodne jedinice kodiranja trenutne jedinice kodiranja kao prediktor veličine kvantizacijskog koraka i prenosi razliku između veličine koraka kvantizacije i prediktora veličine kvantizacijskog koraka na jedinicu entropijskog kodiranja (140).
3. Uređaj prema zahtjevu 1, naznačen time da se mnoštvo podblokova skenira u obrnutom smjeru.
HRP20190708TT 2010-07-31 2019-04-16 Uređaj za kodiranje slike HRP20190708T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20100074462 2010-07-31
KR1020110062603A KR101373814B1 (ko) 2010-07-31 2011-06-28 예측 블록 생성 장치
EP17160949.8A EP3211898B1 (en) 2010-07-31 2011-07-29 Apparatus for encoding an image

Publications (1)

Publication Number Publication Date
HRP20190708T1 true HRP20190708T1 (hr) 2019-07-12

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HRP20171277TT HRP20171277T1 (hr) 2010-07-31 2017-08-23 Uređaj za kodiranje slike
HRP20182099TT HRP20182099T1 (hr) 2010-07-31 2018-12-12 Uređaj za dekodiranje slike
HRP20190708TT HRP20190708T1 (hr) 2010-07-31 2019-04-16 Uređaj za kodiranje slike
HRP20190709TT HRP20190709T1 (hr) 2010-07-31 2019-04-16 Uređaj za kodiranje slike
HRP20190770TT HRP20190770T1 (hr) 2010-07-31 2019-04-25 Uređaj za kodiranje slike

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HRP20190770TT HRP20190770T1 (hr) 2010-07-31 2019-04-25 Uređaj za kodiranje slike

Country Status (18)

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US (11) US9319715B2 (hr)
EP (7) EP3197161B1 (hr)
JP (8) JP5928957B2 (hr)
KR (1) KR101373814B1 (hr)
CN (11) CN104602003B (hr)
CY (5) CY1119258T1 (hr)
DK (5) DK3211898T3 (hr)
ES (6) ES2700621T3 (hr)
HR (5) HRP20171277T1 (hr)
HU (5) HUE041268T2 (hr)
LT (5) LT3214838T (hr)
PL (6) PL3211899T3 (hr)
PT (5) PT2988501T (hr)
RS (5) RS58060B1 (hr)
SI (5) SI3197160T1 (hr)
SM (5) SMT201700337T1 (hr)
TR (1) TR201815076T4 (hr)
WO (1) WO2012018198A2 (hr)

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