Large Data Oriented to Image Information Fusion Spark and Improved Fruit Fly Optimization Based on the Density Clustering Algorithm

Table 4

Algorithm validity analysis.

Functions	Algorithms	Mean values	Variance
f1 (x)	FOA	1.498E − 5	8.367E − 7
	IFOA	2.164E − 15	1.298E − 12
	FOAPSO	1.373E − 15	1.005E − 12
	FOAPSO-GA	9.568E − 16	8.117E − 13
f2 (x)	FOA	8.013E − 11	2.763E − 10
	IFOA	6.326E − 15	1.216E − 15
	FOAPSO	3.891E − 15	1.107E − 15
	FOAPSO-GA	1.269E − 15	9.786E − 16
f3 (x)	FOA	7.452	2.637
	IFOA	2.30E − 18	4.36E − 16
	FOAPSO	1.475E − 18	3.182E − 16
	FOAPSO-GA	1.118E − 18	2.665E − 16