BRPI0621935A2 - método e aparelho para codificar e decodificar imagem - Google Patents

método e aparelho para codificar e decodificar imagem

Info

Publication number
BRPI0621935A2
BRPI0621935A2 BRPI0621935A BRPI0621935A BRPI0621935A2 BR PI0621935 A2 BRPI0621935 A2 BR PI0621935A2 BR PI0621935 A BRPI0621935 A BR PI0621935A BR PI0621935 A BRPI0621935 A BR PI0621935A BR PI0621935 A2 BRPI0621935 A2 BR PI0621935A2
Authority
BR
Brazil
Prior art keywords
encoding
decoding images
decoding
images
Prior art date
Application number
BRPI0621935A
Other languages
English (en)
Inventor
Akiyki Tanizawa
Taichiro Shiodera
Takeshi Chujoh
Original Assignee
Toshiba Kk Toshiba Corp
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 Toshiba Kk Toshiba Corp filed Critical Toshiba Kk Toshiba Corp
Publication of BRPI0621935A2 publication Critical patent/BRPI0621935A2/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
    • H04N19/10—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
    • H04N19/189—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
    • H04N19/19—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
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/70—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0621935A 2006-07-28 2006-07-28 método e aparelho para codificar e decodificar imagem BRPI0621935A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/315039 WO2008012918A1 (fr) 2006-07-28 2006-07-28 Procédé et appareil de codage et de décodage d'image

Publications (1)

Publication Number Publication Date
BRPI0621935A2 true BRPI0621935A2 (pt) 2016-09-13

Family

ID=38981234

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0621935A BRPI0621935A2 (pt) 2006-07-28 2006-07-28 método e aparelho para codificar e decodificar imagem

Country Status (10)

Country Link
US (1) US20090310677A1 (pt)
EP (1) EP2056606A1 (pt)
JP (1) JPWO2008012918A1 (pt)
KR (1) KR101011303B1 (pt)
CN (1) CN101502124B (pt)
AU (1) AU2006346583B2 (pt)
BR (1) BRPI0621935A2 (pt)
CA (1) CA2659351A1 (pt)
TW (1) TW200820790A (pt)
WO (1) WO2008012918A1 (pt)

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Also Published As

Publication number Publication date
CN101502124B (zh) 2011-02-23
US20090310677A1 (en) 2009-12-17
AU2006346583B2 (en) 2011-04-28
TW200820790A (en) 2008-05-01
EP2056606A1 (en) 2009-05-06
TWI348871B (pt) 2011-09-11
WO2008012918A1 (fr) 2008-01-31
KR101011303B1 (ko) 2011-01-28
CA2659351A1 (en) 2008-01-31
CN101502124A (zh) 2009-08-05
JPWO2008012918A1 (ja) 2009-12-17
AU2006346583A1 (en) 2008-01-31
KR20090048573A (ko) 2009-05-14

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