EURASIP Journal on Image and Video Processing

Table 10 Processing time per facial image comparison using the different image enhancement methods on different image pixel size

From: A new evaluation function for face image enhancement in unconstrained environments using metaheuristic algorithms

Image pixel	Methods
Image pixel	LCS	HE	IIA	M_PSO	M_GA	BDPFHE	CLAHE	LLIE	Proposed
64 × 64	0.115	0.117	0.114	3.635	3.783	0.114	0.133	0.202	11.155
128 × 128	0.144	0.145	0.143	13.736	14.0451	0.140	0.151	0.231	27.363
256 × 256	0.250	0.254	0.250	54.373	54.778	0.248	0.248	0.321	90.126

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