Table 2.

Evaluation of the ANN’s performance on identification of corn plants.

Image set description	Corn plant identification rate (%)
	Without filters			With filters
	Correct	Errors
		Edges	Rest
Image set 1 (Morning of May 14, 2007)	72.6	16.2	11.2	92.5
Image set 2 (Afternoon of May 18, 2007)	-	-	-	95.1