DK2947878T3 - Anordning til kodning af et billede - Google Patents

Anordning til kodning af et billede Download PDF

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Publication number
DK2947878T3
DK2947878T3 DK15175097.3T DK15175097T DK2947878T3 DK 2947878 T3 DK2947878 T3 DK 2947878T3 DK 15175097 T DK15175097 T DK 15175097T DK 2947878 T3 DK2947878 T3 DK 2947878T3
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block
mode
coding
coefficients
sub
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DK15175097.3T
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Soo Mi Oh
Moonock Yang
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M&K Holdings Inc
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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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • 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
    • H04N19/129—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
    • H04N19/102—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/60—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
    • 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
    • H04N19/90—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

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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 (6)

  1. PAT E NT K RAV
    1. Anordning til kodning af et billede, hvor anordningen omfatter: en kodemodusbestemmer (110) konfigureret til at opdele et input-billede i en flerhed af kodningsenheder; en intraprædiktor (140) konfigureret til at generere en prædiktionsblok ved hjælp af intraprædiktion en transformations/kvantiseringsenhed (120) konfigureret til at transformere og kvantisere en restblok for at generere en kvantiseret transformationsblok; en invers kvantiserings/transformationsenhed (160) konfigureret til inverst at kvantisere og inverst at transformere den kvantiserede transformationsblok; og en entropikoder (130) konfigureret til at entropikode kvantiserede transformationskoefficienter af den kvantiserede transformationsblok, hvor de kvantiserede transformationskoefficienter opdeles i en flerhed af underblokke, hvis det bestemmes, at en størrelse på en transformationsbloker lig med eller større end 8x8 i en intraprædiktion, hvor flerheden af underblokke scannes og koefficienter i hver underblok, der er forskellige fra nul, scannes efter et scanningsmønster, hvor scanningsmønsteret til scanning af flerheden af underblokke og til scanning af koefficienterne i hver underblok, der er forskellige fra nul, bestemmes af en intra-prædiktionsmodus for prædiktionsblokken for at entropikode de scannede koefficienter, der er forskellige fra nul, hvor scanningsmønsteret er et lodret scanningsmønster, når intraprædiktionsmodusen er en vandret intraprædik-tionsmodus, hvor intraprædiktionsmodusen kodes baseret på en øvre intraprædiktions-modus for en øvre blok af en aktuel blok og en venstre intraprædiktionsmo-dus for en venstre blok af den aktuelle blok, og den øvre intraprædiktions-modus eller den venstre intraprædiktionsmodus indstilles til en DC-modus, når den øvre blok eller den venstre blok ikke kodes i intraprædiktionsmodus.
  2. 2. Anordning ifølge krav 1, hvor entropikoderen (130) scanner koefficienterne i hver underblok, der er forskellige fra nul, i en modsat retning fra en sidste koefficient i hver underblok, der er forskellig fra nul.
  3. 3. Anordning ifølge krav 1, hvor entropi koderen (130) scanner flerheden af underblokke i en modsat retning fra en sidste underblok.
  4. 4. Anordning ifølge krav 1, hvor entropi koderen (130) koder positioner for koefficienterne, der er forskellige fra nul, og information til at identificere koefficienterne i hver underblok, der er forskellige fra nul.
  5. 5. Anordning ifølge krav 1, hvor scanningsmønsteret er et horisontalt scanningsmønster, når intraprædiktionsmodusen er en vertikal modus.
  6. 6. Anordning ifølge krav 1, hvor et scanningsmønster for scanningsflag, der angiver, om hver transformationskoefficient af hver underblok er 0 eller ej, er det samme som scanningsmønsteret til scanning af koefficienterne i hver underblok, der er forskellige fra nul.
DK15175097.3T 2010-04-23 2011-04-22 Anordning til kodning af et billede DK2947878T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100038158 2010-04-23
EP11772290.0A EP2563020B1 (en) 2010-04-23 2011-04-22 Image encoding apparatus

Publications (1)

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DK2947878T3 true DK2947878T3 (da) 2017-05-01

Family

ID=44834700

Family Applications (6)

Application Number Title Priority Date Filing Date
DK15175097.3T DK2947878T3 (da) 2010-04-23 2011-04-22 Anordning til kodning af et billede
DK11772290.0T DK2563020T3 (da) 2010-04-23 2011-04-22 Billedkodningsanordning
DK15175096.5T DK2947877T3 (da) 2010-04-23 2011-04-22 Apparat til kodning af et billede
DK15175100.5T DK2950533T3 (da) 2010-04-23 2011-04-22 Anordning til kodning af et billede
DK15175089.0T DK2945382T3 (da) 2010-04-23 2011-04-22 Apparat til kodning af et billede
DK15175114.6T DK2950534T3 (da) 2010-04-23 2011-04-22 Anordning til kodning af et billede

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Application Number Title Priority Date Filing Date
DK11772290.0T DK2563020T3 (da) 2010-04-23 2011-04-22 Billedkodningsanordning
DK15175096.5T DK2947877T3 (da) 2010-04-23 2011-04-22 Apparat til kodning af et billede
DK15175100.5T DK2950533T3 (da) 2010-04-23 2011-04-22 Anordning til kodning af et billede
DK15175089.0T DK2945382T3 (da) 2010-04-23 2011-04-22 Apparat til kodning af et billede
DK15175114.6T DK2950534T3 (da) 2010-04-23 2011-04-22 Anordning til kodning af et billede

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US (11) US9100651B2 (da)
EP (8) EP2950534B1 (da)
JP (8) JP5688136B2 (da)
KR (10) KR101376136B1 (da)
CN (11) CN105245884B (da)
AU (6) AU2011243334B2 (da)
BR (6) BR122014030026A2 (da)
CA (9) CA2797047C (da)
CY (6) CY1116723T1 (da)
DK (6) DK2947878T3 (da)
ES (8) ES2618917T3 (da)
HR (6) HRP20150964T1 (da)
HU (8) HUE032615T2 (da)
IL (6) IL222579A (da)
LT (5) LT2945382T (da)
MX (6) MX2012012333A (da)
MY (11) MY162147A (da)
PE (8) PE20170652A1 (da)
PH (6) PH12012502305A1 (da)
PL (8) PL3197158T3 (da)
PT (6) PT2945382T (da)
RS (6) RS56193B1 (da)
RU (7) RU2549157C1 (da)
SG (11) SG10201503183TA (da)
SI (6) SI2945382T1 (da)
SM (6) SMT201700338T1 (da)
WO (1) WO2011133002A2 (da)
ZA (1) ZA201208766B (da)

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