BRPI0411655A - método e aparelho para codificação redimensionável espacial de baixa complexidade - Google Patents

método e aparelho para codificação redimensionável espacial de baixa complexidade

Info

Publication number
BRPI0411655A
BRPI0411655A BRPI0411655-0A BRPI0411655A BRPI0411655A BR PI0411655 A BRPI0411655 A BR PI0411655A BR PI0411655 A BRPI0411655 A BR PI0411655A BR PI0411655 A BRPI0411655 A BR PI0411655A
Authority
BR
Brazil
Prior art keywords
encoder
low complexity
standard
resizable
resolution
Prior art date
Application number
BRPI0411655-0A
Other languages
English (en)
Inventor
Jill Macdonald Boyce
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0411655A publication Critical patent/BRPI0411655A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • H04N19/12—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
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

"MéTODO E APARELHO PARA CODIFICAçãO REDIMENSIONáVEL ESPACIAL DE BAIXA COMPLEXIDADE". Um codificador de vídeo (300) e método são revelados, o codificador para receber vídeo de alta resolução e prover fluxos de bits de resolução padrão e de alta resolução, redimensionáveis compactados, e incluindo um codificador (312) de resolução padrão, um seletor (346) acoplado ao codificador de resolução padrão para selecionar entre um sinal indicativo da seqüência recebida de alta resolução e um sinal indicativo de uma versão de resolução padrão da seqüência recebida, e um codificador (348) de alta resolução acoplado ao seletor para prover um fluxo de bits redimensionável de alta resolução.
BRPI0411655-0A 2003-06-19 2004-06-17 método e aparelho para codificação redimensionável espacial de baixa complexidade BRPI0411655A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47973403P 2003-06-19 2003-06-19
PCT/US2004/019682 WO2004114672A1 (en) 2003-06-19 2004-06-17 Method and apparatus for low-complexity spatial scalable encoding

Publications (1)

Publication Number Publication Date
BRPI0411655A true BRPI0411655A (pt) 2006-08-08

Family

ID=33539212

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0411540-6A BRPI0411540A (pt) 2003-06-19 2004-06-17 método e aparelho para decodificação redimensionável espacial de baixa complexidade
BRPI0411655-0A BRPI0411655A (pt) 2003-06-19 2004-06-17 método e aparelho para codificação redimensionável espacial de baixa complexidade

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0411540-6A BRPI0411540A (pt) 2003-06-19 2004-06-17 método e aparelho para decodificação redimensionável espacial de baixa complexidade

Country Status (7)

Country Link
US (1) US20060146931A1 (pt)
EP (2) EP1634461A2 (pt)
JP (2) JP2007525067A (pt)
KR (2) KR101046912B1 (pt)
CN (2) CN100553332C (pt)
BR (2) BRPI0411540A (pt)
WO (2) WO2004114672A1 (pt)

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US8879856B2 (en) 2005-09-27 2014-11-04 Qualcomm Incorporated Content driven transcoder that orchestrates multimedia transcoding using content information
US8948260B2 (en) 2005-10-17 2015-02-03 Qualcomm Incorporated Adaptive GOP structure in video streaming
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US9131164B2 (en) 2006-04-04 2015-09-08 Qualcomm Incorporated Preprocessor method and apparatus
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Also Published As

Publication number Publication date
KR20060025554A (ko) 2006-03-21
KR20060024417A (ko) 2006-03-16
WO2004114671A2 (en) 2004-12-29
EP1634460A1 (en) 2006-03-15
CN1810035A (zh) 2006-07-26
EP1634461A2 (en) 2006-03-15
JP2007525067A (ja) 2007-08-30
BRPI0411540A (pt) 2006-08-01
US20060146931A1 (en) 2006-07-06
CN100505879C (zh) 2009-06-24
WO2004114671A3 (en) 2005-04-14
KR101047541B1 (ko) 2011-07-08
CN1810036A (zh) 2006-07-26
KR101046912B1 (ko) 2011-07-07
JP2007524280A (ja) 2007-08-23
CN100553332C (zh) 2009-10-21
EP1634460B1 (en) 2014-08-06
WO2004114672A1 (en) 2004-12-29

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

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Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: H04N 7/26; H04N 7/46; H04N 7/50.

Ipc: H04B 1/66 (2006.01), H04N 19/12 (2014.01), H04N 19

Ipc: H04B 1/66 (2006.01), H04N 19/12 (2014.01), H04N 19