HRP20200627T1 - Postupak za dekodiranje slika - Google Patents

Postupak za dekodiranje slika Download PDF

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Publication number
HRP20200627T1
HRP20200627T1 HRP20200627TT HRP20200627T HRP20200627T1 HR P20200627 T1 HRP20200627 T1 HR P20200627T1 HR P20200627T T HRP20200627T T HR P20200627TT HR P20200627 T HRP20200627 T HR P20200627T HR P20200627 T1 HRP20200627 T1 HR P20200627T1
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data
value
current partition
sign
decoding
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HRP20200627TT
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Felix Henry
Clare Gordon
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Dolby International Ab
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Publication of HRP20200627T1 publication Critical patent/HRP20200627T1/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • H04N19/102—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
    • H04N19/13—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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/189—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
    • 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
    • H04N19/197—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 including determination of the initial value of an encoding parameter
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Surgical Instruments (AREA)
  • Television Signal Processing For Recording (AREA)
  • Error Detection And Correction (AREA)

Claims (5)

1. Postupak za dekodiranje predstavnika podatkovnog signala barem jedne slike podijeljene na pregrade koji je prethodno kodiran, pregrade sadrže trenutnu pregradu (Bi) koja se dekodira i sadrži podatke od kojih je barem jednom podatku dodijeljen znak, podaci su koeficijenti izravne transformacije, postupak dekodiranja sadrži: - entropno dekodiranje (D2) prve trenutne pregrade (Bi), - određivanje (D3), na temelju nejednakim-nuli dekodiranih podataka trenutne pregrade, je li znak barem jednog podatka skriven, - izračunavanje (D5) vrijednosti pariteta zbroja dekodiranih podataka trenutne particije (Bi), - dobivanje, iz navedene vrijednosti pariteta, vrijednosti navedenog znaka, ako paritet zbroja podataka ima prvu vrijednost, znak je pozitivan i ako paritet zbroja podataka ima drugu vrijednost, znak je negativan, - rekonstrukcija (D6) na njihovoj osnovi, kvantificiranih koeficijenata trenutne particije (Bi) unaprijed određenim redoslijedom i - de-kvantifikacija (D7) kvantificiranih koeficijenata trenutne particije (Bi) da tako nastane dekvantificirani i dekodirani blok.
2. Postupak dekodiranja prema zahtjevu 1, u kojem se dobivanje vrijednosti navedenog skrivenog znaka prvog nejednakim-nuli koeficijenta (e2) izračunava modulom za obradu (MTR_D01).
3. Postupak dekodiranja prema zahtjevu 2, u kojem modul za obradu (MTR_D01) izračunava vrijednost funkcije f koja je reprezentativna za koeficijente podliste dekodiranih podataka trenutne pregrade kako bi se utvrdilo je li izračunata vrijednost parna ili neparna.
4. Postupak dekodiranja prema zahtjevu 1, tijekom kojeg se mnoštvo vrijednosti povezanih odnosno s mnoštvom (N) znakova dobije iz navedene izračunate vrijednosti.
5. Postupak dekodiranja prema zahtjevu 1, naznačen time što unaprijed definirani red je cik-cak staza.
HRP20200627TT 2011-11-07 2020-04-20 Postupak za dekodiranje slika HRP20200627T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1160114A FR2982446A1 (fr) 2011-11-07 2011-11-07 Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
EP18196614.4A EP3442228B1 (fr) 2011-11-07 2012-11-06 Procédé de décodage d'images

Publications (1)

Publication Number Publication Date
HRP20200627T1 true HRP20200627T1 (hr) 2020-10-02

Family

ID=47263471

Family Applications (6)

Application Number Title Priority Date Filing Date
HRP20220174TT HRP20220174T1 (hr) 2011-11-07 2012-11-06 Postupak dekodiranja slika, uređaj za dekodiranje slika, te odgovarajući računalni program
HRP20151032TT HRP20151032T1 (hr) 2011-11-07 2015-09-29 Postupak za kodiranje i dekodiranje slika, uređaj za kodiranje i dekodiranje i odgovarajući računalni programi
HRP20170290TT HRP20170290T8 (hr) 2011-11-07 2017-02-21 Postupak za dekodiranje slika
HRP20171721TT HRP20171721T1 (hr) 2011-11-07 2017-11-09 Medij za snimanje za pohranjivanje kodiranih slikovnih podataka
HRP20182010TT HRP20182010T1 (hr) 2011-11-07 2018-11-29 Medij za snimanje za pohranjivanje podataka o kodiranoj slici
HRP20200627TT HRP20200627T1 (hr) 2011-11-07 2020-04-20 Postupak za dekodiranje slika

Family Applications Before (5)

Application Number Title Priority Date Filing Date
HRP20220174TT HRP20220174T1 (hr) 2011-11-07 2012-11-06 Postupak dekodiranja slika, uređaj za dekodiranje slika, te odgovarajući računalni program
HRP20151032TT HRP20151032T1 (hr) 2011-11-07 2015-09-29 Postupak za kodiranje i dekodiranje slika, uređaj za kodiranje i dekodiranje i odgovarajući računalni programi
HRP20170290TT HRP20170290T8 (hr) 2011-11-07 2017-02-21 Postupak za dekodiranje slika
HRP20171721TT HRP20171721T1 (hr) 2011-11-07 2017-11-09 Medij za snimanje za pohranjivanje kodiranih slikovnih podataka
HRP20182010TT HRP20182010T1 (hr) 2011-11-07 2018-11-29 Medij za snimanje za pohranjivanje podataka o kodiranoj slici

Country Status (23)

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US (8) US9609344B2 (hr)
EP (8) EP3442228B1 (hr)
JP (2) JP6096203B2 (hr)
KR (12) KR101915155B1 (hr)
CN (5) CN104041039B (hr)
BR (2) BR122022013656B1 (hr)
CY (5) CY1116898T1 (hr)
DK (7) DK3442228T3 (hr)
ES (7) ES2549065T3 (hr)
FR (1) FR2982446A1 (hr)
HK (6) HK1244605A1 (hr)
HR (6) HRP20220174T1 (hr)
HU (6) HUE030849T2 (hr)
IN (1) IN2014CN03040A (hr)
LT (6) LT2985998T (hr)
NO (1) NO2985998T3 (hr)
PL (7) PL3675491T3 (hr)
PT (7) PT3209021T (hr)
RS (6) RS58189B1 (hr)
RU (5) RU2608682C2 (hr)
SI (7) SI3675491T1 (hr)
SM (1) SMT201500239B (hr)
WO (1) WO2013068683A1 (hr)

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