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IMAGING DEVICE AND EXPOSURE CONTROL METHOD FOR IMAGING DEVICE

  • US 20080165264A1
  • Filed: 04/16/2007
  • Published: 07/10/2008
  • Est. Priority Date: 04/17/2006
  • Status: Active Grant
First Claim
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1. An imaging device comprising:

  • a sensor that is color coded by using high-sensitivity pixels having higher sensitivity to incident light than chromatic color pixels; and

    an automatic exposure function that allows the imaging device to control exposure according to illuminance in an imaging environment,wherein an algorithm in the automatic exposure function that determines a reference color in a level diagram according to the illuminance uses the high-sensitivity pixels as the reference color in a low illuminance region where the gain of the sensor is set to a maximum,while using green pixels, which are the chromatic color pixels, as the reference color in a standard illuminance region where the gain of the sensor is set to a minimum.

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