From: Biometric quality: a review of fingerprint, iris, and face
Category | Algorithm | Description | Type |
---|---|---|---|
Pixel intensity | Chen et al.[44] | Grey level distributions of segmented ridges | Local |
Wavelet transform | Vatsa et al.[45] | Combined response from RDWT for dominant edge information | Local |
Power spectrum | Chen et al.[3] | In a ring-shaped region of the spectrum | Global |
Combined features | NFIQ[46] | Amplitude, frequency, and variance of sinusoid to model valid ridges | Global |
Orientation tensors | Fronthaler et al.[47] | Encode orientation with parabolic symmetry features | Global |