Impact of Occlusion Masks on Gender Classification from Iris Texture

Table 3

Results using the GFI dataset, showing the effect of using paired and corrected masks.

Test type	Paired masks	Resolution	Corrected masks	Accuracy (%)
VGG-full	No	240 × 20	No	62.13 ± 2.37
			Yes	61.69 ± 2.72
		240 × 40	No	63.34 ± 2.64
			Yes	61.89 ± 2.95
	Yes	240 × 20	No	58.36 ± 2.84
			Yes	56.39 ± 3.36
		240 × 40	No	59.11 ± 3.10
			Yes	55.99 ± 2.82
VGG + LSVM	No	240 × 20	No	63.97 ± 1.64
			Yes	62.79 ± 1.67
		240 × 40	No	65.43 ± 1.93
			Yes	62.01 ± 2.12
	Yes	240 × 20	No	58.72 ± 2.02
			Yes	56.42 ± 1.77
		240 × 40	No	60.62 ± 2.13
			Yes	56.96 ± 1.69
VGG + SVM-RBF	No	240 × 20	No	63.94 ± 2.27
			Yes	63.24 ± 2.18
		240 × 40	No	64.09 ± 2.50
			Yes	62.74 ± 1.87
	Yes	240 × 20	No	58.02 ± 2.21
			Yes	56.14 ± 1.79
		240 × 40	No	60.46 ± 2.01
			Yes	55.83 ± 1.85
VGG + KNN	No	240 × 20	No	57.17 ± 1.55
			Yes	56.85 ± 1.55
		240 × 40	No	57.63 ± 1.85
			Yes	55.79 ± 1.62
	Yes	240 × 20	No	52.81 ± 1.85
			Yes	51.98 ± 1.62
		240 × 40	No	54.15 ± 1.71
			Yes	51.93 ± 1.89
VGG + RF	No	240 × 20	No	60.64 ± 2.31
			Yes	61.29 ± 1.93
		240 × 40	No	61.28 ± 2.10
			Yes	60.46 ± 2.31
	Yes	240 × 20	No	55.90 ± 2.08
			Yes	54.37 ± 1.77
		240 × 40	No	56.55 ± 1.73
			Yes	54.44 ± 1.94

Highest and lowest accuracies for each test are shown in bold letters.