Proposal for an Embedded System Architecture Using a GNDVI Algorithm to Support UAV-Based Agrochemical Spraying. - Maik Basso; Diego Stocchero; Renato Ventura Bayan Henriques; André Luis Vian; Christian Bredemeier; Andréa Aparecida Konzen; Edison Pignaton de Freitas (Sensors, 2019)