NIST Fingerprint Image Quality 2
Fingerprint image quality assessment tool
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Go to the source code of this file.
Namespaces | |
NFIQ2 | |
Classes and functions that contribute to the calculation of NFIQ 2 quality scores. | |
NFIQ2::Identifiers | |
Identification strings for various objects. | |
NFIQ2::Identifiers::ActionableQualityFeedback | |
Identifiers for interpretation of quality features that may indicated corrective measures for subsequent captures of the same subject. | |
NFIQ2::Identifiers::PredictionModules | |
Modules that combine features to compute a quality score. | |
NFIQ2::Identifiers::QualityModules | |
Modules that compute one or more QualityFeatures. | |
NFIQ2::Identifiers::QualityFeatures | |
Identifiers of individual quality features and modules. | |
NFIQ2::Identifiers::QualityFeatures::FrequencyDomainAnalysis | |
Frequency of the sinusoid following the ridge-valley structure. | |
NFIQ2::Identifiers::QualityFeatures::FrequencyDomainAnalysis::Histogram | |
Local quality values represented as a histogram. | |
NFIQ2::Identifiers::QualityFeatures::Minutiae | |
Measures relative to minutiae detected within the image using the integrated feature extractor, FingerJet FX OSE. | |
NFIQ2::Identifiers::QualityFeatures::RegionOfInterest | |
Measures based on the foreground area of the image. | |
NFIQ2::Identifiers::QualityFeatures::LocalClarity | |
Measure of the clarity of ridge and valleys. | |
NFIQ2::Identifiers::QualityFeatures::LocalClarity::Histogram | |
Local quality values represented as a histogram. | |
NFIQ2::Identifiers::QualityFeatures::Contrast | |
Measure of the gray levels of the image. | |
NFIQ2::Identifiers::QualityFeatures::OrientationCertainty | |
Measure of the strength of the energy concentration along the dominant ridge flow orientation. | |
NFIQ2::Identifiers::QualityFeatures::OrientationCertainty::Histogram | |
Local quality values represented as a histogram. | |
NFIQ2::Identifiers::QualityFeatures::OrientationFlow | |
Measure of the ridge flow continuity, based on the absolute orientation difference between a block in its 8-neighborhood. | |
NFIQ2::Identifiers::QualityFeatures::OrientationFlow::Histogram | |
Local quality values represented as a histogram. | |
NFIQ2::Identifiers::QualityFeatures::RidgeValleyUniformity | |
Measure of the consistency of ridge and valley widths. | |
NFIQ2::Identifiers::QualityFeatures::RidgeValleyUniformity::Histogram | |
Local quality values represented as a histogram. | |
NFIQ2::Thresholds | |
Threshold constants. | |
NFIQ2::Thresholds::ActionableQualityFeedback | |
Thresholds corresponding to Identifiers::ActionableQualityFeedback. | |