Automatic Change Detection Method of Multitemporal Remote Sensing Images Based on 2D-Otsu Algorithm Improved by Firefly Algorithm

Table 2

False alarms, missed alarms, and total errors for three change detection methods in Poyang Lake.

Change detection methods	False alarms		Missed alarms		Total errors
	Pixels	%	Pixels	%	Pixels	%
Proposed method	4945	2.59%	8636	12.44%	13581	5.22%
2D maximum entropy	28	0.01%	58870	84.81%	58898	22.64%
2D maximum fuzzy entropy	164	0.09%	39906	57.49%	40070	15.41%