PL2591600T3 - Dostosowywanie zestawu możliwych przekształceń częstotliwości na podstawie rozmiaru bloku i trybu predykcji wewnątrzobrazowej - Google Patents

Dostosowywanie zestawu możliwych przekształceń częstotliwości na podstawie rozmiaru bloku i trybu predykcji wewnątrzobrazowej

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Publication number
PL2591600T3
PL2591600T3 PL11733763T PL11733763T PL2591600T3 PL 2591600 T3 PL2591600 T3 PL 2591600T3 PL 11733763 T PL11733763 T PL 11733763T PL 11733763 T PL11733763 T PL 11733763T PL 2591600 T3 PL2591600 T3 PL 2591600T3
Authority
PL
Poland
Prior art keywords
adapting
block size
intra mode
possible frequency
frequency transforms
Prior art date
Application number
PL11733763T
Other languages
English (en)
Inventor
Marta Karczewicz
Muhammed Zeyd Coban
Peisong Chen
Hsiao-Chiang Chuang
Rajan Laxman Joshi
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PL2591600T3 publication Critical patent/PL2591600T3/pl

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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
    • H04N19/60—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
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    • 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
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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
    • H04N19/103—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
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    • 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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    • H04N19/169—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
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    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
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    • 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
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    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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    • 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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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL11733763T 2010-07-09 2011-07-08 Dostosowywanie zestawu możliwych przekształceń częstotliwości na podstawie rozmiaru bloku i trybu predykcji wewnątrzobrazowej PL2591600T3 (pl)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US36312710P 2010-07-09 2010-07-09
US37457310P 2010-08-17 2010-08-17
US37742010P 2010-08-26 2010-08-26
US13/178,434 US9215470B2 (en) 2010-07-09 2011-07-07 Signaling selected directional transform for video coding
US13/178,438 US9661338B2 (en) 2010-07-09 2011-07-07 Coding syntax elements for adaptive scans of transform coefficients for video coding
US13/178,427 US9172968B2 (en) 2010-07-09 2011-07-07 Video coding using directional transforms
EP20110733763 EP2591600B1 (en) 2010-07-09 2011-07-08 Adapting the set of possible frequency transforms based on block size and intra mode
PCT/US2011/043434 WO2012006574A2 (en) 2010-07-09 2011-07-08 Signaling selected directional transform for video coding

Publications (1)

Publication Number Publication Date
PL2591600T3 true PL2591600T3 (pl) 2015-03-31

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PL11733763T PL2591600T3 (pl) 2010-07-09 2011-07-08 Dostosowywanie zestawu możliwych przekształceń częstotliwości na podstawie rozmiaru bloku i trybu predykcji wewnątrzobrazowej

Country Status (12)

Country Link
US (4) US9661338B2 (pl)
EP (3) EP2591603B1 (pl)
JP (4) JP5746339B2 (pl)
KR (4) KR20130030301A (pl)
CN (4) CN102986215B (pl)
AR (1) AR082203A1 (pl)
DK (1) DK2591600T3 (pl)
HU (1) HUE024172T2 (pl)
IN (1) IN2013CN00428A (pl)
PL (1) PL2591600T3 (pl)
TW (1) TW201208386A (pl)
WO (3) WO2012006568A1 (pl)

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