Table 11.

Computational time of test time augmentation of Finger images (± C.I.)

Technique	VGG19	InceptionV3	ResNet50	Xception	DenseNet121
Without TTA	4.20 s	7.10 s	6.20 s	5.55 s	7.50 s
Horizontal	4.43 s ± 0.20	7.60 s ± 0.37	6.33 s ± 0.37	5.91 s ± 0.43	7.71 s ± 0.28
Vertical	4.61 s ± 0.42	7.63 s ± 0.34	6.53 s ± 0.48	6.06 s ± 0.35	7.85 s ± 0.37
Rotate	5.58 s ± 0.37	8.71 s ± 0.28	7.66 s ± 0.65	7.47 s ± 0.40	8.76 s ± 0.21
Zoom	5.92 s ± 0.53	8.83 s ± 0.27	7.65 s ± 0.47	7.38 s ± 0.48	8.87 s ± 0.33
H_V_R_Z	6.18 s ± 0.51	11.64 s ± 0.64	7.08 s ± 0.34	6.67 s ± 0.47	8.60 s ± 0.31
H_V	4.57 s ± 0.33	7.65 s ± 0.34	6.25 s ± 0.46	5.77 s ± 0.39	7.83 s ± 0.21
H_R	5.82 s ± 0.40	8.98 s ± 0.38	7.47 s ± 0.49	7.30 s ± 0.41	8.74 s ± 0.26
V_R	5.83 s ± 0.41	9.05 s ± 0.44	8.81 s ± 0.66	7.69 s ± 0.52	11.74 s ± 0.52
H_V_R	5.63 s ± 0.58	8.52 s ± 0.31	7.40 s ± 0.70	6.69 s ± 0.36	8.76 s ± 0.27

Where H_V, stands for the horizontal flip with vertical flip; H_R, for the horizontal flip with rotation; V_R, for the vertical flip with rotation; H_V_R, stands for the horizontal flip, vertical flip, and rotation; and H_V_R_Z, stands for combining all four methods, horizontal flip, vertical flip, rotation, and zooming