BRPI0608004A2 - esquema de codificação permitindo escalabilidade de precisão - Google Patents

esquema de codificação permitindo escalabilidade de precisão

Info

Publication number
BRPI0608004A2
BRPI0608004A2 BRPI0608004-9A BRPI0608004A BRPI0608004A2 BR PI0608004 A2 BRPI0608004 A2 BR PI0608004A2 BR PI0608004 A BRPI0608004 A BR PI0608004A BR PI0608004 A2 BRPI0608004 A2 BR PI0608004A2
Authority
BR
Brazil
Prior art keywords
precision
scalability
coding scheme
scheme allowing
allowing precision
Prior art date
Application number
BRPI0608004-9A
Other languages
English (en)
Inventor
Keiko Schwarz
Thomas Wiegand
Tobias Hinz
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BRPI0608004A2 publication Critical patent/BRPI0608004A2/pt
Publication of BRPI0608004B1 publication Critical patent/BRPI0608004B1/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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • 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
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]

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)

Abstract

ESQUEMA DE CODIFICAçãO PERMITINDO ESCALABILIDADE DE PRECISãO. é obtida uma melhor eficiência de codificação dando ao codificador a oportunidade de alterar o tratamento direcionado ao campo/quadro de porções de figura individual entre os primeiros dados codificados com precisão e os segundos dados codificados com precisão, com a segunda precisão sendo superior à primeira precisão.
BRPI0608004A 2006-03-22 2006-03-22 esquema de codificação permitindo escalabilidade de precisão BRPI0608004B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/002634 WO2007107170A1 (en) 2006-03-22 2006-03-22 Coding scheme enabling precision-scalability

Publications (2)

Publication Number Publication Date
BRPI0608004A2 true BRPI0608004A2 (pt) 2009-11-03
BRPI0608004B1 BRPI0608004B1 (pt) 2019-08-27

Family

ID=37696248

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608004A BRPI0608004B1 (pt) 2006-03-22 2006-03-22 esquema de codificação permitindo escalabilidade de precisão

Country Status (5)

Country Link
US (1) US8428143B2 (pt)
EP (1) EP1859630B1 (pt)
JP (1) JP4876122B2 (pt)
BR (1) BRPI0608004B1 (pt)
WO (1) WO2007107170A1 (pt)

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CN110996100B (zh) 2012-10-01 2022-11-25 Ge视频压缩有限责任公司 解码器、解码方法、编码器和编码方法
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Also Published As

Publication number Publication date
WO2007107170A1 (en) 2007-09-27
JP2008533949A (ja) 2008-08-21
EP1859630B1 (en) 2014-10-22
US20080002767A1 (en) 2008-01-03
EP1859630A1 (en) 2007-11-28
US8428143B2 (en) 2013-04-23
HK1114988A1 (zh) 2008-11-14
JP4876122B2 (ja) 2012-02-15
BRPI0608004B1 (pt) 2019-08-27

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Legal Events

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/36 (2014.01), H04N 19/112 (2014.01), H04N

B06T Formal requirements before examination [chapter 6.20 patent gazette]

Free format text: EXIGENCIA DE PRE-EXAME (6.20)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 27/08/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 27/08/2019, OBSERVADAS AS CONDICOES LEGAIS