Patent ID: 7436451
Filing Date: 2008-10-14
Classification: H04N

Abstract:
1. An image sensing apparatus having first image sensing unit and a second image sensing unit, comprising: an aperture unit which controls the amount of incident light to said first image sensing unit, but does not control the amount of light to said second image sensing unit; a light amount detection unit, provided in said second image sensing unit, to detect a light amount; an initial light amount determination unit to determine an aperture amount to control light amount in an initial stage of an image sensing mode by said first image sensing unit, based on information on the light amount detected by said light amount detection unit; and an interpolation unit to detect a defective portion in said first image sensing unit by completely closing said aperture unit and, if the defective portion is detected, to interpolate a pixel signal of the defective portion using pixel signals around the defective portion, wherein said light amount detection unit detects the amount of light inputted to said second image sensing unit while said interpolation unit detects the defective portion, and said initial light amount determination unit determines the aperture amount in the initial stage when the detection of defective portion by said interpolation unit has been completed.