1Hunt E R, Hively W D, FujikawaS J, et al. Acquisition of NIR- green- blue digital photographs from unmanned aircraft for crop monitoring[J]. Remote Sensing, 2010, 2( 1 ): 290-305.
2Jacopo P, Salvatore Filippo D G, Edoardo F, et al. A flexible unmanned aerial vehicle for precision agriculture[ J]. Precision Agriculture, 2012, 13(4): 517-523.
3Pierre Jean Bristeau, Francois Callou.The Navigation and Con- trol technology inside the AR.Drone micro UAV[C],2011.
