Monitoring early-successional trees for tropical forest restoration using low-cost UAV-based species classification oleh Jonathan Williams, Jonathan Williams, Toby D. Jackson, Carola-Bibiane Schönlieb, Tom Swinfield, Tom Swinfield, Bambang Irawan, Eva Achmad, Muhammad Zudhi, Habibi Habibi, Elva Gemita, David A. Coomes