BRPI0813351A2 - Codificação adaptativa de modo de predição de bloco de vídeo. - Google Patents

Codificação adaptativa de modo de predição de bloco de vídeo.

Info

Publication number
BRPI0813351A2
BRPI0813351A2 BRPI0813351-4A BRPI0813351A BRPI0813351A2 BR PI0813351 A2 BRPI0813351 A2 BR PI0813351A2 BR PI0813351 A BRPI0813351 A BR PI0813351A BR PI0813351 A2 BRPI0813351 A2 BR PI0813351A2
Authority
BR
Brazil
Prior art keywords
prediction mode
video block
block prediction
adaptive encoding
mode adaptive
Prior art date
Application number
BRPI0813351-4A
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 BRPI0813351A2 publication Critical patent/BRPI0813351A2/pt
Publication of BRPI0813351B1 publication Critical patent/BRPI0813351B1/pt

Links

Classifications

    • 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
    • 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
    • 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
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    • 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
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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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    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • 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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    • H04N19/18—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
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    • H04N19/19—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 using optimisation based on Lagrange multipliers
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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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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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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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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    • H04N19/00—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • 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)
BRPI0813351-4A 2007-06-15 2008-06-12 Método e dispositivo para codificar e decodificar dados de vídeo e meio legível por computador BRPI0813351B1 (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
US12/133,227 US8428133B2 (en) 2007-06-15 2008-06-04 Adaptive coding of video block prediction mode
US12/133,227 2008-06-04
PCT/US2008/066797 WO2008157269A2 (en) 2007-06-15 2008-06-12 Adaptive coding of video block prediction mode

Publications (2)

Publication Number Publication Date
BRPI0813351A2 true BRPI0813351A2 (pt) 2015-08-11
BRPI0813351B1 BRPI0813351B1 (pt) 2020-09-15

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
BRPI0813345-0A BRPI0813345B1 (pt) 2007-06-15 2008-06-13 método e dispositivo para codificar dados de vídeo, e memória
BRPI0813349A BRPI0813349A2 (pt) 2007-06-15 2008-06-13 varredura de coeficiente adaptativo para codificação de vídeo

Family Applications After (2)

Application Number Title Priority Date Filing Date
BRPI0813345-0A BRPI0813345B1 (pt) 2007-06-15 2008-06-13 método e dispositivo para codificar dados de vídeo, e memória
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) TW200913727A (pt)
WO (3) WO2008157269A2 (pt)

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US20130044812A1 (en) 2013-02-21
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RU2010101115A (ru) 2011-07-20
EP2165543A2 (en) 2010-03-24
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