Endoscope system, processor device, and method for operating endoscope system
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United States of America Patent
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Jul 2, 2019
Grant Date -
Oct 1, 2015
app pub date -
Mar 30, 2015
filing date -
Mar 31, 2014
priority date (Note) -
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Abstract
An endoscope system comprises an LED light source unit, an image sensor, an imaging distance calculator and a light source controller. The LED light source unit generates illumination light. The image sensor has a blue pixel, a green pixel, a red pixel and a specific pixel receiving at least light in a blue wavelength band and a green wavelength light, and images an observation object by reflected light of the illumination light from the observation object. The imaging distance calculator calculates an imaging distance that is a distance between the image sensor and the observation object. The light source controller controls the light source unit to increase a component of the blue wavelength band or the green wavelength band included in the illumination light according to the imaging distance.
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