BRPI0814365A2 - controle de exposição de um sistema de imagem - Google Patents

controle de exposição de um sistema de imagem

Info

Publication number
BRPI0814365A2
BRPI0814365A2 BRPI0814365A BRPI0814365A BRPI0814365A2 BR PI0814365 A2 BRPI0814365 A2 BR PI0814365A2 BR PI0814365 A BRPI0814365 A BR PI0814365A BR PI0814365 A BRPI0814365 A BR PI0814365A BR PI0814365 A2 BRPI0814365 A2 BR PI0814365A2
Authority
BR
Brazil
Prior art keywords
imaging system
exposure control
exposure
control
imaging
Prior art date
Application number
BRPI0814365A
Other languages
English (en)
Inventor
Tay Hiok-Nam
Yeo Yunn-En
Original Assignee
Candela Microsystems S Pte Ltd
Hiok Nam Tay
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 Candela Microsystems S Pte Ltd, Hiok Nam Tay filed Critical Candela Microsystems S Pte Ltd
Publication of BRPI0814365A2 publication Critical patent/BRPI0814365A2/pt

Links

Classifications

    • 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
    • G06T5/92Dynamic range modification of images or parts thereof based on global image properties
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/40Image enhancement or restoration using histogram techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/73Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/741Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50Control of the SSIS exposure
    • H04N25/57Control of the dynamic range

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
BRPI0814365A 2007-07-25 2008-07-16 controle de exposição de um sistema de imagem BRPI0814365A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96202807P 2007-07-25 2007-07-25
PCT/IB2008/003793 WO2009050594A2 (en) 2007-07-25 2008-07-16 Exposure control for an imagning system
US12/218,742 US8264594B2 (en) 2007-07-25 2008-07-16 Exposure control for an imaging system

Publications (1)

Publication Number Publication Date
BRPI0814365A2 true BRPI0814365A2 (pt) 2018-07-31

Family

ID=40294977

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0814365A BRPI0814365A2 (pt) 2007-07-25 2008-07-16 controle de exposição de um sistema de imagem

Country Status (10)

Country Link
US (5) US8264594B2 (pt)
JP (3) JP5189649B2 (pt)
CN (2) CN101803366B (pt)
BR (1) BRPI0814365A2 (pt)
DE (1) DE112008001990B4 (pt)
ES (1) ES2396318B1 (pt)
GB (2) GB2464441B (pt)
HK (2) HK1143015A1 (pt)
MX (1) MX2010000931A (pt)
WO (1) WO2009050594A2 (pt)

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Also Published As

Publication number Publication date
JP2013138449A (ja) 2013-07-11
GB201003139D0 (en) 2010-04-14
US20160028932A1 (en) 2016-01-28
GB2488683B (en) 2012-10-10
US8264594B2 (en) 2012-09-11
US20130223739A1 (en) 2013-08-29
CN101803366A (zh) 2010-08-11
CN104618659A (zh) 2015-05-13
GB2464441B (en) 2012-10-17
US20120013789A1 (en) 2012-01-19
US8334924B2 (en) 2012-12-18
US8451371B2 (en) 2013-05-28
HK1143015A1 (en) 2010-12-17
JP5590476B2 (ja) 2014-09-17
HK1175340A1 (en) 2013-06-28
CN101803366B (zh) 2015-01-14
MX2010000931A (es) 2010-04-21
US8792049B2 (en) 2014-07-29
JP5189649B2 (ja) 2013-04-24
GB201206086D0 (en) 2012-05-16
GB2488683A (en) 2012-09-05
ES2396318B1 (es) 2013-12-16
WO2009050594A2 (en) 2009-04-23
US20120218434A1 (en) 2012-08-30
US20090027545A1 (en) 2009-01-29
DE112008001990B4 (de) 2015-05-13
JP2011503915A (ja) 2011-01-27
ES2396318A1 (es) 2013-02-20
DE112008001990T5 (de) 2010-09-09
GB2464441A (en) 2010-04-21
WO2009050594A3 (en) 2009-11-12
JP2014233075A (ja) 2014-12-11

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Legal Events

Date Code Title Description
B15I Others concerning applications: loss of priority
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2484 DE 14-08-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.