Identification and Classification of Drop Zones and Helicopter Landing Zones in Images Obtained by Small Size Remotely Piloted Aircraft Systems. - Marielcio Goncalves Lacerda; Angelo De Carvalho Paulino; Elcio Hideiti Shiguemori; Alvaro Jose Damiao; Lamartine Nogueira Frutuoso Guimarães; Camila Souza dos Anjos (IGARSS, 2018)