BRPI0512816A - método e equipamento para utilizar técnicas de conversão ascendente de taxa de quadro em codificação de vìdeo escalonável - Google Patents

método e equipamento para utilizar técnicas de conversão ascendente de taxa de quadro em codificação de vìdeo escalonável

Info

Publication number
BRPI0512816A
BRPI0512816A BRPI0512816-1A BRPI0512816A BRPI0512816A BR PI0512816 A BRPI0512816 A BR PI0512816A BR PI0512816 A BRPI0512816 A BR PI0512816A BR PI0512816 A BRPI0512816 A BR PI0512816A
Authority
BR
Brazil
Prior art keywords
frame rate
equipment
video encoding
scalable video
rate upconversion
Prior art date
Application number
BRPI0512816-1A
Other languages
English (en)
Inventor
Vijayalakshmi R Raveendran
Gordon Kent Walker
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 BRPI0512816A publication Critical patent/BRPI0512816A/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
    • H04N19/169—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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/10—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/567—Motion estimation based on 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

MéTODO E EQUIPAMENTO PARA UTILIZAR TéCNICAS DE CONVERSãO ASCENDENTE DE TAXA DE QUADROS EM CODIFICAçãO DE VìDEO ESCALONáVEL. Um método para codificar uma corrente de vídeo inclui particionar a corrente de vídeo em uma camada principal, possuindo uma pluralidade de quadros de camada principal, e uma camada interpolada, possuindo uma pluralidade de quadros de camada interpolada; interpolar um quadro de conversão ascendente de taxa de quadros (FRUC); e codificar a pluralidade de quadros de camada principal na camada interpolada com a assistência do quadro FRUC principal. é também descrito um codificador de vídeo que implementa o método.
BRPI0512816-1A 2004-07-01 2005-07-01 método e equipamento para utilizar técnicas de conversão ascendente de taxa de quadro em codificação de vìdeo escalonável BRPI0512816A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58515404P 2004-07-01 2004-07-01
US66581605P 2005-03-22 2005-03-22
PCT/US2005/023333 WO2006007527A2 (en) 2004-07-01 2005-07-01 Method and apparatus for using frame rate up conversion techniques in scalable video coding

Publications (1)

Publication Number Publication Date
BRPI0512816A true BRPI0512816A (pt) 2008-04-08

Family

ID=35116155

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0512816-1A BRPI0512816A (pt) 2004-07-01 2005-07-01 método e equipamento para utilizar técnicas de conversão ascendente de taxa de quadro em codificação de vìdeo escalonável

Country Status (15)

Country Link
US (1) US8948262B2 (pt)
EP (1) EP1774779A2 (pt)
JP (2) JP5038134B2 (pt)
KR (2) KR100913260B1 (pt)
CN (1) CN101010964B (pt)
AR (1) AR049454A1 (pt)
AU (1) AU2005262409A1 (pt)
BR (1) BRPI0512816A (pt)
CA (1) CA2572605C (pt)
IL (1) IL180444A0 (pt)
MX (1) MX2007000254A (pt)
PE (1) PE20060536A1 (pt)
RU (1) RU2370909C2 (pt)
TW (1) TWI392374B (pt)
WO (1) WO2006007527A2 (pt)

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WO2006007527A3 (en) 2006-08-17
JP2008505555A (ja) 2008-02-21
KR20070053212A (ko) 2007-05-23
EP1774779A2 (en) 2007-04-18
RU2007103812A (ru) 2008-08-10
AR049454A1 (es) 2006-08-02
RU2370909C2 (ru) 2009-10-20
CA2572605A1 (en) 2006-01-19
CN101010964A (zh) 2007-08-01
KR100913260B1 (ko) 2009-08-21
US20060002465A1 (en) 2006-01-05
TW200625963A (en) 2006-07-16
JP2011182408A (ja) 2011-09-15
US8948262B2 (en) 2015-02-03
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TWI392374B (zh) 2013-04-01
IL180444A0 (en) 2007-06-03
AU2005262409A1 (en) 2006-01-19
WO2006007527A2 (en) 2006-01-19
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KR20080112369A (ko) 2008-12-24
CN101010964B (zh) 2012-01-04

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