BR9808480A - Método e aparelho para determinar a visibilidade de diferenças entre duas sequências de sinais. - Google Patents

Método e aparelho para determinar a visibilidade de diferenças entre duas sequências de sinais.

Info

Publication number
BR9808480A
BR9808480A BR9808480-1A BR9808480A BR9808480A BR 9808480 A BR9808480 A BR 9808480A BR 9808480 A BR9808480 A BR 9808480A BR 9808480 A BR9808480 A BR 9808480A
Authority
BR
Brazil
Prior art keywords
visibility
differences
determining
signal sequences
processing section
Prior art date
Application number
BR9808480-1A
Other languages
English (en)
Inventor
Jeffrey Lubin
Michel H Brill
Albert P Pica
Roger L Crane
Walter Paul
Gary A Gendel
Original Assignee
Sarnoff 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 Sarnoff Corp filed Critical Sarnoff Corp
Publication of BR9808480A publication Critical patent/BR9808480A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Image Processing (AREA)

Abstract

Patente de Invenção:<B>''MéTODO E APARELHO PARA DETERMINAR A VISIBILIDADE DE DIFERENçAS ENTRE DUAS SEQuêNCIAS DE SINAIS''<D>. Método e aparelho (110) para avaliar a visibilidade de diferenças entre duas seq³ências de sinais de entrada, por exemplo, seq³ências de imagens, são descritos. O aparelho compreende um gerador de métrica percentual (112), tendo uma seção de processamento de sinais de entrada (210), uma seção de processamento de luminância (220), uma seção de processamento de crominância (230) e uma seção de geração de métrica percentual (240, 250, 260).
BR9808480-1A 1997-04-04 1998-04-06 Método e aparelho para determinar a visibilidade de diferenças entre duas sequências de sinais. BR9808480A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4305097P 1997-04-04 1997-04-04
US7343598P 1998-02-02 1998-02-02
US09/055,076 US6137904A (en) 1997-04-04 1998-04-03 Method and apparatus for assessing the visibility of differences between two signal sequences
PCT/US1998/006845 WO1998045801A1 (en) 1997-04-04 1998-04-06 Method and apparatus for assessing the visibility of differences between two signal sequences

Publications (1)

Publication Number Publication Date
BR9808480A true BR9808480A (pt) 2000-05-23

Family

ID=27366257

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9808480-1A BR9808480A (pt) 1997-04-04 1998-04-06 Método e aparelho para determinar a visibilidade de diferenças entre duas sequências de sinais.

Country Status (7)

Country Link
US (1) US6137904A (pt)
EP (1) EP0972266A4 (pt)
JP (1) JP4700144B2 (pt)
CN (1) CN1259216A (pt)
BR (1) BR9808480A (pt)
CA (1) CA2285925A1 (pt)
WO (1) WO1998045801A1 (pt)

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US6975776B2 (en) * 2002-02-14 2005-12-13 Tektronix, Inc. Predicting human vision perception and perceptual difference
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US5974159A (en) * 1996-03-29 1999-10-26 Sarnoff Corporation Method and apparatus for assessing the visibility of differences between two image sequences

Also Published As

Publication number Publication date
EP0972266A1 (en) 2000-01-19
WO1998045801A1 (en) 1998-10-15
EP0972266A4 (en) 2002-09-04
JP4700144B2 (ja) 2011-06-15
JP2001519950A (ja) 2001-10-23
CN1259216A (zh) 2000-07-05
US6137904A (en) 2000-10-24
CA2285925A1 (en) 1998-10-15

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A, 7A, 8A E 9A ANUIDADES.

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

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1889 DE 20/03/2007.