Technical Report CIS9624

TR#:CIS9624
Class:CIS
Title: Cone Visibility Decomposition of Freeform Surfaces
Authors: Gershon Elber and Eyal Zussman
PDFCIS9624.pdf
Abstract: We present a scheme to preplan the set of viewing directions that are necessary to Laser scan a freeform surface. A Laser scanner is limited by the orientation of the normal of the scanned surface and a large deviation from the normal direction can hinder the ability to detect the reflected ray of the Laser. In this work, we present a freeform surface decomposition into regions, so that each region can be properly scanned from a prescribed viewing direction. The union of all these freeform surface regions forms a coverage of the entire original surface. {\bf keywords:} Gauss Map, Symbolic Computation, Laser Scan.
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