[1] Univ Florida, Inst Food & Agr Sci, Ctr Remote Sensing, Dept Agr & Biol Engn, Gainesville, FL 32611 USA
[2] Univ Michigan, Dept Elect & Comp Engn, Ann Arbor, MI 48109 USA
[3] Inst Politecn Nacl, Escuela Super Ingn Mecan & Electr, Mexico City 07340, Mexico
[4] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA