NIST Fingerprint Image Quality 2
Fingerprint image quality assessment tool
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NFIQ2::Identifiers::QualityMeasures Namespace Reference

Identifiers of individual quality measures. More...

Namespaces

namespace  Contrast
 Measure of the gray levels of the image.
 
namespace  FrequencyDomainAnalysis
 Frequency of the sinusoid following the ridge-valley structure.
 
namespace  LocalClarity
 Measure of the clarity of ridge and valleys.
 
namespace  Minutiae
 Measures relative to minutiae detected within the image using the integrated feature extractor, FingerJet FX OSE.
 
namespace  OrientationCertainty
 Measure of the strength of the energy concentration along the dominant ridge flow orientation.
 
namespace  OrientationFlow
 Measure of the ridge flow continuity, based on the absolute orientation difference between a block in its 8-neighborhood.
 
namespace  RegionOfInterest
 Measures based on the foreground area of the image.
 
namespace  RidgeValleyUniformity
 Measure of the consistency of ridge and valley widths.
 

Detailed Description

Identifiers of individual quality measures.