TY - GEN AU - Cabrera Revuelta, Elena AU - Chávez, María-José AU - Márquez Pérez, Alberto A4 - Ingeniería Mecánica y Diseño Industrial PY - 2018 SN - 1571-0653 UR - http://hdl.handle.net/10498/31567 AB - This work focuses on the visibility of exterior of a polygon. We show a lower bound for the Fortress Problem applied to polygons P having n vertices in terms of the number of reflex vertices, the number of convex vertices and the number of pockets... LA - eng PB - Elsevier KW - art gallery theorem KW - fortress problem KW - laser scanner TI - The Fortress Problem in Terms of the Number of Reflex and Convex Vertices. A 3D objects scanning application DO - 10.1016/j.endm.2018.06.030 ER -