Evaluation of different shadow detection and restoration methods and their impact on vegetation indices using UAV high-resolution imageries over vineyards

Mahyar Aboutalebi, Utah State University, Department of Civil and Environmental Engineering, Logan, UT, United States, Alfonso F Torres-Rua, Utah State University, Department of Civil and Evironmental Egineering, Logan, UT, United States, Mac McKee, Utah State University, Logan, UT, United States; Utah Water Research Lab, Utah State University, Department of Civil and Environmental Engineering, Logan, UT, United States, William P. Kustas, U.S. Department of Agricultural, Agricultural Research Service, Beltsville, MD, United States and Hector Nieto, Research & Technology Food & Agriculture, Lleida, Spain