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Table 2 SVM classes definition

From: Quality assessment of image-based biometric information

Class

Description

Alteration levels

1

Reference or original image

×

2, 3, and 4

Blurring alteration

1, 2, and 3, respectively

5, 6, and 7

Gaussian noise alteration

1, 2, and 3, respectively

8, 9, and 10

Resize alteration

1, 2, and 3, respectively