Bläßle, AlexanderJanbek, BebartLiu, LifengNakamura, KannaNolan, KimberlyParaschiv, Victor2016-06-292016-06-292012-06https://hdl.handle.net/11299/1812061 online resource (PDF, 27 pages, includes illustrations)enOptical touch sensingVisual hullGhost objectPolygon recognitionConnected componentsPolygonal meshMaximum polygon sizeMathematical considerations in optical touch sensingPreprint