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

Table 4

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

Change detection methods	False alarms		Missed alarms		Total errors
	Pixels	%	Pixels	%	Pixels	%
Proposed method	4548	1.68%	11268	11.04%	15816	4.25%
2D maximum entropy	27	0.01%	83949	82.23%	83976	22.57%
2D maximum fuzzy entropy	183	0.07%	63810	62.50%	63993	17.20%