Distance image obtaining system for track
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United States of America Patent
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Dec 15, 2015
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app pub date -
Jun 29, 2011
filing date -
Mar 31, 2010
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Abstract
A range image obtaining system for a track includes a laser slit light source disposed within a plane perpendicular to a tread of a rail and emits laser slit light within the plane; a two-dimensional image imaging device which is disposed to have an angle with respect to the plane perpendicular to the tread of the rail and obtains a light sectioning image generated from the laser slit light; and an image signal processing device for generating a range image based on a distance from the two-dimensional image imaging device based on the light sectioning image.
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