1. Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA
2. Agricultural and Biological Engineering Department, Center for Remote Sensing, University of Florida, Gainesville, FL, USA
3. Escuela Superior de Ingenieria Mecanica y Electrica Unidad Ticoman, Instituto Politecnico Nacional, Mexico City, Mexico
4. Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA