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Lecture Notes in Computer Science
Light reflecting diffusely off of a surface leaves in all directions. It is shown that every simple polygon with n vertices can be illuminated from a single point light source s after at most (n − 2)/4 diffuse reflections, and this bound is the best possible. A point s with this property can be computed in O(n log n) time.doi:10.1007/978-3-319-08783-2_21 fatcat:4eemb3j5erfudh3qek6lcjnytm