15 February 2012 Accurate color with increased sensitivity using IR
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Abstract
Many applications require accurate color captures in daylight conditions and increased sensitivity for low light conditions. This is often accomplished by using a mechanical switch to remove the IR cut filter. The sensitivity is increased at the expense of color accuracy. And a mechanical part is required in the camera. The TRUESENSE Color Filter Pattern offers an opportunity to get increased sensitivity - using the IR region - while still maintaining color accuracy. A 2x increase in sensitivity can be achieved over the current TRUESENSE CFA capture which uses an IR cut filter.
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Amy Enge, James DiBella, "Accurate color with increased sensitivity using IR", Proc. SPIE 8298, Sensors, Cameras, and Systems for Industrial and Scientific Applications XIII, 82980R (15 February 2012); doi: 10.1117/12.911281; https://doi.org/10.1117/12.911281
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