HRP20171544T1 - Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike - Google Patents

Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike Download PDF

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HRP20171544T1
HRP20171544T1 HRP20171544TT HRP20171544T HRP20171544T1 HR P20171544 T1 HRP20171544 T1 HR P20171544T1 HR P20171544T T HRP20171544T T HR P20171544TT HR P20171544 T HRP20171544 T HR P20171544T HR P20171544 T1 HRP20171544 T1 HR P20171544T1
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internal prediction
block
coding unit
prediction mode
color luminance
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HRP20171544TT
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English (en)
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Jung-Hye Min
Elena Alshina
Woo-Jin Han
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Samsung Electronics Co., Ltd
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Publication of HRP20171544T1 publication Critical patent/HRP20171544T1/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
    • H04N19/105—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
    • H04N19/157—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/12—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/186—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree 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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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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 (1)

1. Uređaj za dekodiranje slike, te uređaj sadrži: entropijski dekoder koji dobiva prvu informaciju koja označava način unutrašnjeg predviđanja bloka osvjetljenja i drugu informaciju koja označava način unutrašnjeg predviđanja bloka sjajnosti boje koji odgovara bloku osvjetljenja, iz toka bitova; i provoditelj unutrašnjeg predviđanja koji provodi unutrašnje predviđanje na bloku osvjetljenja prema načinu unutrašnjeg predviđanja bloka osvjetljenja i provodi unutrašnje predviđanje na bloku sjajnosti boje prema načinu unutrašnjeg predviđanja bloka sjajnosti boje, pri čemu način unutrašnjeg predviđanja bloka osvjetljenja obuhvaća određeni smjer između mnoštva smjerova i određeni smjer je označen jednim od broja dx u vodoravnom smjeru i fiksnom vrijednošću u okomitom smjeru i brojem dy u okomitom smjeru i fiksnom vrijednošću u vodoravnom smjeru, gdje broj dx i broj dy su cijeli brojevi prema načinu unutrašnjeg predviđanja bloka osvjetljenja, pri čemu provoditelj unutrašnjeg predviđanja određuje broj susjednih piksela koji se treba dobiti prema položaju trenutnog piksela i određenog smjera naznačenog s načinom unutrašnjeg predviđanja bloka osvjetljenja, susjedni pikseli se nalaze na lijevoj strani bloka osvjetljenja ili na gornjoj strani bloka osvjetljenja, i kada druga informacija označava da je način unutrašnjeg predviđanja bloka sjajnosti boje jednak načinu unutrašnjeg predviđanja bloka osvjetljenja, način unutrašnjeg predviđanja bloka sjajnosti boje se određuje da bude jednak načinu unutrašnjeg predviđanja bloka osvjetljenja, pri čemu je slika razdvojena u mnoštvo maksimalnih jedinica kodiranja u skladu s informacijama o maksimalnoj veličini jedinice kodiranja, a maksimalna jedinica kodiranja je podijeljena u mnoštvo jedinica za kodiranje korištenjem informacije o razdvajanju i informacije o dubini koja označava broj koliko je puta jedinica kodiranja prostorno razdvojena iz maksimalne jedinica kodiranja, komponenta osvjetljenja maksimalne jedinice kodiranja i komponenta sjajnosti boje maksimalne jedinice kodiranja između mnoštva maksimalnih jedinica kodiranja, su hijerarhijski podijeljene u jednu ili više komponenti osvjetljenja jedinica kodiranja različitih dubina i jednu ili više komponenata sjajnosti boje jedinica kodiranja dubina koje sadrže barem jednu trenutnu dubinu i nižu dubinu, odgovarajuće u skladu s informacijom o razdvajanju, kada informacija o razdvajanju ukazuje na razdvajanje trenutne dubine, jedinica kodiranja trenutne dubine se dijeli u četiri jedinice kodiranja manje dubine, neovisno o susjednim jedinicama kodiranja, kada informacija o razdvajanju ukazuje na ne-razdvajanje trenutne dubine, jedna ili više jedinica predviđanja su dobivene iz jedinice kodiranja trenutne dubine, i pri čemu blok osvjetljenja je jedinica predviđanja dobivena iz jedinice kodiranja trenutne dubine, pri čemu broj dx i broj dy su jedna od vrijednosti koje se biraju između {32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26} prema načinu unutrašnjeg predviđanja bloka osvjetljenja, i fiksna vrijednost je potencija broja 2.
HRP20171544TT 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike HRP20171544T1 (hr)

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KR1020100031145A KR101503269B1 (ko) 2010-04-05 2010-04-05 영상 부호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치, 및 영상 복호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치
EP15160767.8A EP2903273B1 (en) 2010-04-05 2011-04-05 Determining intra prediction mode of image coding unit and image decoding unit

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HRP20171544T1 true HRP20171544T1 (hr) 2017-12-01

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HRP20160526TT HRP20160526T1 (hr) 2010-04-05 2016-05-18 Određivanje načina intra predviđanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171387TT HRP20171387T1 (hr) 2010-04-05 2017-09-14 Određivanje načina unutrašnjeg predviđanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171546TT HRP20171546T1 (hr) 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171545TT HRP20171545T1 (hr) 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171544TT HRP20171544T1 (hr) 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike

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HRP20160526TT HRP20160526T1 (hr) 2010-04-05 2016-05-18 Određivanje načina intra predviđanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171387TT HRP20171387T1 (hr) 2010-04-05 2017-09-14 Određivanje načina unutrašnjeg predviđanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171546TT HRP20171546T1 (hr) 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike
HRP20171545TT HRP20171545T1 (hr) 2010-04-05 2017-10-12 Odreðivanje načina unutrašnjeg predviðanja jedinice za kodiranje slike i jedinice za dekodiranje slike

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US (8) US8619858B2 (hr)
EP (6) EP2903273B1 (hr)
JP (7) JP5883846B2 (hr)
KR (1) KR101503269B1 (hr)
CN (8) CN104780365B (hr)
AU (1) AU2011239130C1 (hr)
BR (5) BR122021005440B1 (hr)
CA (5) CA2884486C (hr)
CY (5) CY1117535T1 (hr)
DK (5) DK2903274T3 (hr)
ES (6) ES2644036T3 (hr)
HR (5) HRP20160526T1 (hr)
HU (6) HUE035945T2 (hr)
LT (4) LT2905962T (hr)
MX (1) MX2012011563A (hr)
MY (6) MY186586A (hr)
PL (6) PL3280140T3 (hr)
PT (4) PT2903274T (hr)
RS (5) RS56439B1 (hr)
RU (6) RU2595950C2 (hr)
SI (5) SI2903275T1 (hr)
SM (1) SMT201600140B (hr)
WO (1) WO2011126275A2 (hr)
ZA (6) ZA201208296B (hr)

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