DYNAMIC RANGE OF COLOR CAMERA IMAGES SUPERIMPOSED ON SCANNED THREE-DIMENSIONAL GRAY-SCALE IMAGES
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United States of America Patent
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app pub date -
Sep 24, 2014
filing date -
Sep 24, 2013
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Abandoned
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Abstract
A laser scanner scans an object by measuring first and second angles with angle measuring devices, sending light onto an object and capturing the reflected light to determine a distances and gray-scale values to points on the object, capturing a sequence of color images with a color camera at different exposure times, determining 3D coordinates and gray-scale values to points on the object, determining from the sequence of color images an enhanced color image having a higher dynamic range than available from any single color image, and superimposing the enhanced color image on the 3D gray-scale image to obtain an enhanced 3D color image.
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