PT2652954E - Codificação e descodificação de vídeo utilizando transformadas - Google Patents

Codificação e descodificação de vídeo utilizando transformadas Download PDF

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Publication number
PT2652954E
PT2652954E PT127296986T PT12729698T PT2652954E PT 2652954 E PT2652954 E PT 2652954E PT 127296986 T PT127296986 T PT 127296986T PT 12729698 T PT12729698 T PT 12729698T PT 2652954 E PT2652954 E PT 2652954E
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Prior art keywords
transform
block
blocks
transformed
column
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PT127296986T
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English (en)
Portuguese (pt)
Inventor
Mrak Marta
Gabriellini Andrea
Sprljan Nikola
Flynn David
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British Broadcasting Corp
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Publication of PT2652954E publication Critical patent/PT2652954E/pt

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic 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)
PT127296986T 2011-06-27 2012-06-19 Codificação e descodificação de vídeo utilizando transformadas PT2652954E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1110873.5A GB2492333B (en) 2011-06-27 2011-06-27 Video encoding and decoding using transforms

Publications (1)

Publication Number Publication Date
PT2652954E true PT2652954E (pt) 2016-06-07

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PT127296986T PT2652954E (pt) 2011-06-27 2012-06-19 Codificação e descodificação de vídeo utilizando transformadas

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US (1) US8923406B2 (cg-RX-API-DMAC7.html)
EP (2) EP2652954B1 (cg-RX-API-DMAC7.html)
JP (2) JP6063935B2 (cg-RX-API-DMAC7.html)
KR (1) KR101622450B1 (cg-RX-API-DMAC7.html)
CN (2) CN105847815B (cg-RX-API-DMAC7.html)
ES (1) ES2574278T3 (cg-RX-API-DMAC7.html)
GB (1) GB2492333B (cg-RX-API-DMAC7.html)
PL (1) PL2652954T3 (cg-RX-API-DMAC7.html)
PT (1) PT2652954E (cg-RX-API-DMAC7.html)
TW (1) TWI516095B (cg-RX-API-DMAC7.html)
WO (2) WO2013001279A2 (cg-RX-API-DMAC7.html)

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JP2014523175A (ja) 2014-09-08
US20140056362A1 (en) 2014-02-27
JP6328220B2 (ja) 2018-05-23
KR101622450B1 (ko) 2016-05-18
GB201110873D0 (en) 2011-08-10
EP2652954B1 (en) 2016-03-30
WO2013001279A3 (en) 2013-03-07
ES2574278T3 (es) 2016-06-16
CN103404141A (zh) 2013-11-20
US8923406B2 (en) 2014-12-30
EP3026911A1 (en) 2016-06-01
JP2017098975A (ja) 2017-06-01
TWI516095B (zh) 2016-01-01
CN105847815B (zh) 2019-05-10
CN103404141B (zh) 2017-06-06
GB2492333A (en) 2013-01-02
GB2492333B (en) 2018-12-12
WO2013001279A2 (en) 2013-01-03
TW201320751A (zh) 2013-05-16
PL2652954T3 (pl) 2016-10-31
KR20140027932A (ko) 2014-03-07
JP6063935B2 (ja) 2017-01-18
CN105847815A (zh) 2016-08-10
WO2013001278A1 (en) 2013-01-03
EP2652954A2 (en) 2013-10-23

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