BRPI0814883A2 - aprimoramento de amplitudes dinâmicas de imagens - Google Patents

aprimoramento de amplitudes dinâmicas de imagens

Info

Publication number
BRPI0814883A2
BRPI0814883A2 BRPI0814883A BRPI0814883A BRPI0814883A2 BR PI0814883 A2 BRPI0814883 A2 BR PI0814883A2 BR PI0814883 A BRPI0814883 A BR PI0814883A BR PI0814883 A BRPI0814883 A BR PI0814883A BR PI0814883 A2 BRPI0814883 A2 BR PI0814883A2
Authority
BR
Brazil
Prior art keywords
enhancement
dynamic image
image amplitudes
amplitudes
dynamic
Prior art date
Application number
BRPI0814883A
Other languages
English (en)
Inventor
Rempel Allan
John Ward Gregory
Seetzen Helge
A Whitehead Lorne
Heidrich Wolfgang
Original Assignee
Dolby Laboratories Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40303844&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0814883(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of BRPI0814883A2 publication Critical patent/BRPI0814883A2/pt
Publication of BRPI0814883B1 publication Critical patent/BRPI0814883B1/pt

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/20Image enhancement or restoration using local operators
    • G06T5/30Erosion or dilatation, e.g. thinning
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • G09G3/342Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20004Adaptive image processing
    • G06T2207/20012Locally adaptive
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20172Image enhancement details
    • G06T2207/20208High dynamic range [HDR] image processing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • G09G2320/0646Modulation of illumination source brightness and image signal correlated to each other
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10Intensity circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Image Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Controls And Circuits For Display Device (AREA)
BRPI0814883A 2007-07-30 2008-07-30 método para aprimoramento dos dados de imagem de menor amplitude dinâmica que representam uma imagem, meio legível por computador e visor para exibir uma imagem de maior amplitude dinâmica obtida a partir de dados de imagem de menor amplitude dinâmica que representam uma imagem BRPI0814883B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96270807P 2007-07-30 2007-07-30
PCT/CA2008/001413 WO2009015483A1 (en) 2007-07-30 2008-07-30 Enhancing dynamic ranges of images

Publications (2)

Publication Number Publication Date
BRPI0814883A2 true BRPI0814883A2 (pt) 2017-05-23
BRPI0814883B1 BRPI0814883B1 (pt) 2020-02-04

Family

ID=40303844

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0814883A BRPI0814883B1 (pt) 2007-07-30 2008-07-30 método para aprimoramento dos dados de imagem de menor amplitude dinâmica que representam uma imagem, meio legível por computador e visor para exibir uma imagem de maior amplitude dinâmica obtida a partir de dados de imagem de menor amplitude dinâmica que representam uma imagem

Country Status (7)

Country Link
US (1) US8135230B2 (pt)
EP (1) EP2183723B1 (pt)
JP (2) JP5184635B2 (pt)
CN (2) CN103778614B (pt)
BR (1) BRPI0814883B1 (pt)
RU (1) RU2433477C1 (pt)
WO (1) WO2009015483A1 (pt)

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Also Published As

Publication number Publication date
JP5457532B2 (ja) 2014-04-02
US20090034867A1 (en) 2009-02-05
US8135230B2 (en) 2012-03-13
WO2009015483A1 (en) 2009-02-05
CN101809617B (zh) 2015-03-04
JP5184635B2 (ja) 2013-04-17
CN103778614A (zh) 2014-05-07
CN103778614B (zh) 2017-09-01
RU2433477C1 (ru) 2011-11-10
BRPI0814883B1 (pt) 2020-02-04
RU2010107161A (ru) 2011-09-10
CN101809617A (zh) 2010-08-18
EP2183723B1 (en) 2019-01-02
EP2183723A4 (en) 2011-11-16
JP2013101344A (ja) 2013-05-23
EP2183723A1 (en) 2010-05-12
JP2010534894A (ja) 2010-11-11

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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