McDermott Will & Emery LLP
Apparatus and method for acquiring differential image
An apparatus for acquiring a differential image includes: an image acquiring unit acquiring a first image including environment light from an image sensor of a camera and infrared polarized light from an illuminating unit and a second image including horizontal polarized light of the environment light; an image correcting unit correcting brightnesses of background areas of the first and second images; and a differential image generating unit generating a differential image between the first and second images of which the brightnesses of the background areas are corrected.
Hyundai Motor Company
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Seok Beom Dong Hee Hee Jin Sung Min
Lee Seok Ro Park