BRPI0813345A2 - Transformação adaptativa de blocos residuais dependendo do modo de intrapredição - Google Patents

Transformação adaptativa de blocos residuais dependendo do modo de intrapredição

Info

Publication number
BRPI0813345A2
BRPI0813345A2 BRPI0813345-0A BRPI0813345A BRPI0813345A2 BR PI0813345 A2 BRPI0813345 A2 BR PI0813345A2 BR PI0813345 A BRPI0813345 A BR PI0813345A BR PI0813345 A2 BRPI0813345 A2 BR PI0813345A2
Authority
BR
Brazil
Prior art keywords
residual block
intraprediction mode
block transformation
adaptive residual
transformation depending
Prior art date
Application number
BRPI0813345-0A
Other languages
English (en)
Inventor
Yan Ye
Marta Karczewicz
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 BRPI0813345A2 publication Critical patent/BRPI0813345A2/pt
Publication of BRPI0813345B1 publication Critical patent/BRPI0813345B1/pt

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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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • 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
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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
    • H04N19/12—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
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    • 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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    • H04N19/196—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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    • H04N19/196—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
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
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    • 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
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    • 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
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    • 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
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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)
BRPI0813345-0A 2007-06-15 2008-06-13 método e dispositivo para codificar dados de vídeo, e memória BRPI0813345B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US94447007P 2007-06-15 2007-06-15
US60/944,470 2007-06-15
US97976207P 2007-10-12 2007-10-12
US60/979,762 2007-10-12
US12/133,257 US8619853B2 (en) 2007-06-15 2008-06-04 Separable directional transforms
US12/133,257 2008-06-04
PCT/US2008/066932 WO2008157360A2 (en) 2007-06-15 2008-06-13 Adaptive transformation of residual blocks depending on the intra prediction mode

Publications (2)

Publication Number Publication Date
BRPI0813345A2 true BRPI0813345A2 (pt) 2015-08-11
BRPI0813345B1 BRPI0813345B1 (pt) 2021-01-12

Family

ID=40132292

Family Applications (3)

Application Number Title Priority Date Filing Date
BRPI0813351-4A BRPI0813351B1 (pt) 2007-06-15 2008-06-12 Método e dispositivo para codificar e decodificar dados de vídeo e meio legível por computador
BRPI0813349A BRPI0813349A2 (pt) 2007-06-15 2008-06-13 varredura de coeficiente adaptativo para codificação de vídeo
BRPI0813345-0A BRPI0813345B1 (pt) 2007-06-15 2008-06-13 método e dispositivo para codificar dados de vídeo, e memória

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BRPI0813351-4A BRPI0813351B1 (pt) 2007-06-15 2008-06-12 Método e dispositivo para codificar e decodificar dados de vídeo e meio legível por computador
BRPI0813349A BRPI0813349A2 (pt) 2007-06-15 2008-06-13 varredura de coeficiente adaptativo para codificação de vídeo

Country Status (14)

Country Link
US (5) US8619853B2 (pt)
EP (3) EP2165543B1 (pt)
JP (4) JP5254324B2 (pt)
KR (3) KR101107867B1 (pt)
CN (3) CN101682770B (pt)
BR (3) BRPI0813351B1 (pt)
CA (3) CA2687260C (pt)
DK (1) DK2165543T3 (pt)
ES (1) ES2530796T3 (pt)
PL (1) PL2165543T3 (pt)
PT (1) PT2165543E (pt)
RU (4) RU2434360C2 (pt)
TW (3) TW200915880A (pt)
WO (3) WO2008157269A2 (pt)

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CA2687263C (en) 2015-10-20
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BRPI0813349A2 (pt) 2015-11-03
CN101743751A (zh) 2010-06-16
EP2172026A2 (en) 2010-04-07
US20130044812A1 (en) 2013-02-21
CN101682770B (zh) 2012-07-04
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BRPI0813351A2 (pt) 2015-08-11
KR101161065B1 (ko) 2012-06-28
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