JP4161295B2 - 画像センサのダイナミックレンジを拡大するカラー画像撮像システム - Google Patents

画像センサのダイナミックレンジを拡大するカラー画像撮像システム Download PDF

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JP4161295B2
JP4161295B2 JP2002123538A JP2002123538A JP4161295B2 JP 4161295 B2 JP4161295 B2 JP 4161295B2 JP 2002123538 A JP2002123538 A JP 2002123538A JP 2002123538 A JP2002123538 A JP 2002123538A JP 4161295 B2 JP4161295 B2 JP 4161295B2
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pixel
color
pixel group
dynamic range
intensity
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JP2003022440A (ja
JP2003022440A5 (enExample
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ロバート・ダブリュ・ジョーンズ
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マイクロン テクノロジー， インク．
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/741—Circuitry 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
  • Image Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Input (AREA)
JP2002123538A 2001-05-02 2002-04-25 画像センサのダイナミックレンジを拡大するカラー画像撮像システム Expired - Fee Related JP4161295B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/847,968 US6924841B2 (en) 2001-05-02 2001-05-02 System and method for capturing color images that extends the dynamic range of an image sensor using first and second groups of pixels
US09/847,968 2001-05-02

Publications (3)

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JP2003022440A JP2003022440A (ja) 2003-01-24
JP2003022440A5 JP2003022440A5 (enExample) 2005-07-21
JP4161295B2 true JP4161295B2 (ja) 2008-10-08

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US (1) US6924841B2 (enExample)
EP (1) EP1255410A3 (enExample)
JP (1) JP4161295B2 (enExample)

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Publication number Publication date
EP1255410A2 (en) 2002-11-06
JP2003022440A (ja) 2003-01-24
US20020163583A1 (en) 2002-11-07
US6924841B2 (en) 2005-08-02
EP1255410A3 (en) 2004-05-26

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