NIST Fingerprint Image Quality 2
Fingerprint image quality assessment tool
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nfiq2_constants.hpp
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1/*
2 * This file is part of NIST Fingerprint Image Quality (NFIQ) 2. For more
3 * information on this project, refer to:
4 * - https://nist.gov/services-resources/software/nfiq2
5 * - https://github.com/usnistgov/NFIQ2
6 *
7 * This work is in the public domain. For complete licensing details, refer to:
8 * - https://github.com/usnistgov/NFIQ2/blob/master/LICENSE.md
9 */
10
11#ifndef NFIQ2_CONSTANTS_HPP_
12#define NFIQ2_CONSTANTS_HPP_
13
14#include <nfiq2_data.hpp>
15
16#include <string>
17#include <vector>
18
19namespace NFIQ2 {
21namespace Identifiers {
22
24namespace CBEFF {
26extern const unsigned int Vendor;
27
29extern const unsigned int NFIQ2Rev0;
31extern const unsigned int NFIQ2Rev1;
33extern const unsigned int NFIQ2Rev2;
35extern const unsigned int NFIQ2Rev3;
36
38namespace OrientationCertainty {
40extern const unsigned int Mean;
42extern const unsigned int StdDev;
43}
44
46namespace LocalClarity {
48extern const unsigned int Mean;
50extern const unsigned int StdDev;
51}
52
54namespace FrequencyDomainAnalysis {
56extern const unsigned int Mean;
58extern const unsigned int StdDev;
59}
60
62namespace RidgeValleyUniformity {
64extern const unsigned int Mean;
66extern const unsigned int StdDev;
67}
68
70namespace OrientationFlow {
72extern const unsigned int Mean;
74extern const unsigned int StdDev;
75}
76
78namespace Contrast {
80extern const unsigned int ImageMean;
82extern const unsigned int MeanOfBlockMeans;
83}
84
86namespace Minutiae {
88extern const unsigned int Count;
90extern const unsigned int CountCOM;
92extern const unsigned int PercentImageMean50;
94extern const unsigned int PercentOrientationCertainty80;
95}
96
98namespace RegionOfInterest {
100extern const unsigned int Mean;
102extern const unsigned int OrientationMapCoherenceSum;
104extern const unsigned int OrientationMapCoherenceMean;
105}
106
107}
108
113namespace ActionableQualityFeedback {
120extern const char EmptyImageOrContrastTooLow[];
122extern const char UniformImage[];
129extern const char FingerprintImageWithMinutiae[];
131extern const char SufficientFingerprintForeground[];
132} /* ActionableQualityFeedback */
133
135namespace UnifiedQualityScores {
137extern const char NFIQ2Rev0[];
139extern const char NFIQ2Rev1[];
141extern const char NFIQ2Rev2[];
143extern const char NFIQ2Rev3[];
144}
145
150namespace PredictionAlgorithms {
152extern const char RandomForest[];
153} /* Identifiers::PredictionAlgorithms */
154
156namespace QualityMeasureAlgorithms {
158extern const char FrequencyDomainAnalysis[];
160extern const char MinutiaeCount[];
162extern const char MinutiaeQuality[];
164extern const char LocalClarity[];
166extern const char Contrast[];
168extern const char OrientationCertainty[];
170extern const char OrientationFlow[];
172extern const char RegionOfInterestMean[];
174extern const char RegionOfInterestCoherence[];
176extern const char RidgeValleyUniformity[];
177} /* Identifiers::QualityMeasureAlgorithms */
178
180namespace QualityMeasures {
182namespace FrequencyDomainAnalysis {
189namespace Histogram {
191extern const char Bin0[];
193extern const char Bin1[];
195extern const char Bin2[];
197extern const char Bin3[];
199extern const char Bin4[];
201extern const char Bin5[];
203extern const char Bin6[];
205extern const char Bin7[];
207extern const char Bin8[];
209extern const char Bin9[];
210}
211
213extern const char Mean[];
215extern const char StdDev[];
216}
221namespace Minutiae {
223extern const char Count[];
224
229extern const char CountCOM[];
230
237extern const char PercentImageMean50[];
238
246extern const char PercentOrientationCertainty80[];
247}
248
250namespace RegionOfInterest {
255extern const char Mean[];
256
258extern const char CoherenceSum[];
259
269extern const char CoherenceMean[];
270}
271
273namespace LocalClarity {
280namespace Histogram {
282extern const char Bin0[];
284extern const char Bin1[];
286extern const char Bin2[];
288extern const char Bin3[];
290extern const char Bin4[];
292extern const char Bin5[];
294extern const char Bin6[];
296extern const char Bin7[];
298extern const char Bin8[];
300extern const char Bin9[];
301}
302
304extern const char Mean[];
306extern const char StdDev[];
307}
308
310namespace Contrast {
312extern const char ImageMean[];
314extern const char MeanOfBlockMeans[];
315}
316
321namespace OrientationCertainty {
328namespace Histogram {
330extern const char Bin0[];
332extern const char Bin1[];
334extern const char Bin2[];
336extern const char Bin3[];
338extern const char Bin4[];
340extern const char Bin5[];
342extern const char Bin6[];
344extern const char Bin7[];
346extern const char Bin8[];
348extern const char Bin9[];
349}
350
352extern const char Mean[];
354extern const char StdDev[];
355}
356
361namespace OrientationFlow {
368namespace Histogram {
370extern const char Bin0[];
372extern const char Bin1[];
374extern const char Bin2[];
376extern const char Bin3[];
378extern const char Bin4[];
380extern const char Bin5[];
382extern const char Bin6[];
384extern const char Bin7[];
386extern const char Bin8[];
388extern const char Bin9[];
389}
390
392extern const char Mean[];
394extern const char StdDev[];
395}
396
398namespace RidgeValleyUniformity {
405namespace Histogram {
407extern const char Bin0[];
409extern const char Bin1[];
411extern const char Bin2[];
413extern const char Bin3[];
415extern const char Bin4[];
417extern const char Bin5[];
419extern const char Bin6[];
421extern const char Bin7[];
423extern const char Bin8[];
425extern const char Bin9[];
426}
427
429extern const char Mean[];
431extern const char StdDev[];
432} /* Identifiers::QualityMeasures::RidgeValleyUniformity */
433} /* Identifiers::QualityMeasures */
434} /* Identifiers */
435
437namespace Thresholds {
446namespace ActionableQualityFeedback {
448extern const double EmptyImageOrContrastTooLow;
450extern const double UniformImage;
452extern const double FingerprintImageWithMinutiae;
454extern const double SufficientFingerprintForeground;
455} /* Thresholds::ActionableQualityFeedback */
456} /* Thresholds */
457
459namespace Sizes {
467const unsigned int LocalRegionSquare { 32 };
469const unsigned int VerticallyAlignedLocalRegionWidth { 32 };
471const unsigned int VerticallyAlignedLocalRegionHeight { 16 };
472}
473
474} /* NFIQ2 */
475
476#endif /* NFIQ2_CONSTANTS_HPP_ */
NFIQ2::Identifiers::ActionableQualityFeedback::SufficientFingerprintForeground
const char SufficientFingerprintForeground[]
Number of pixels in the computed foreground.
NFIQ2::Identifiers::ActionableQualityFeedback::EmptyImageOrContrastTooLow
const char EmptyImageOrContrastTooLow[]
The image is blank or the contrast is too low.
NFIQ2::Identifiers::ActionableQualityFeedback::FingerprintImageWithMinutiae
const char FingerprintImageWithMinutiae[]
Number of minutia in image.
NFIQ2::Identifiers::ActionableQualityFeedback::UniformImage
const char UniformImage[]
Standard deviation of gray levels in image indicates uniformity.
NFIQ2::Identifiers::CBEFF::Contrast::ImageMean
const unsigned int ImageMean
Average contrast ("MU").
NFIQ2::Identifiers::CBEFF::Contrast::MeanOfBlockMeans
const unsigned int MeanOfBlockMeans
Average of average constrasts ("MMB").
NFIQ2::Identifiers::CBEFF::FrequencyDomainAnalysis::Mean
const unsigned int Mean
Mean of local frequency domain analysis.
NFIQ2::Identifiers::CBEFF::FrequencyDomainAnalysis::StdDev
const unsigned int StdDev
Standard deviation of local frequency domain analysis.
NFIQ2::Identifiers::CBEFF::LocalClarity::StdDev
const unsigned int StdDev
Standard deviation of local clarity score.
NFIQ2::Identifiers::CBEFF::LocalClarity::Mean
const unsigned int Mean
Mean of local clarity score.
NFIQ2::Identifiers::CBEFF::Minutiae::CountCOM
const unsigned int CountCOM
Minutiae count in center of mass.
NFIQ2::Identifiers::CBEFF::Minutiae::Count
const unsigned int Count
Minutiae count.
NFIQ2::Identifiers::CBEFF::Minutiae::PercentOrientationCertainty80
const unsigned int PercentOrientationCertainty80
Minutiae quality based on orientation certainty level.
NFIQ2::Identifiers::CBEFF::Minutiae::PercentImageMean50
const unsigned int PercentImageMean50
Minutiae quality based on image mean.
NFIQ2::Identifiers::CBEFF::OrientationCertainty::StdDev
const unsigned int StdDev
Standard deviation of local orientation certainty level.
NFIQ2::Identifiers::CBEFF::OrientationCertainty::Mean
const unsigned int Mean
Mean of local orientation certainty level.
NFIQ2::Identifiers::CBEFF::OrientationFlow::StdDev
const unsigned int StdDev
Standard deviation of orientation flow.
NFIQ2::Identifiers::CBEFF::OrientationFlow::Mean
const unsigned int Mean
Mean of local orientation flow.
NFIQ2::Identifiers::CBEFF::RegionOfInterest::OrientationMapCoherenceSum
const unsigned int OrientationMapCoherenceSum
Region of interest orientation map coherence sum.
NFIQ2::Identifiers::CBEFF::RegionOfInterest::OrientationMapCoherenceMean
const unsigned int OrientationMapCoherenceMean
Region of interest relative orientation map coherence sum.
NFIQ2::Identifiers::CBEFF::RegionOfInterest::Mean
const unsigned int Mean
Region of interest image mean.
NFIQ2::Identifiers::CBEFF::RidgeValleyUniformity::Mean
const unsigned int Mean
Mean of local ridge valley uniformity.
NFIQ2::Identifiers::CBEFF::RidgeValleyUniformity::StdDev
const unsigned int StdDev
Standard deviation of local ridge valley uniformity.
NFIQ2::Identifiers::CBEFF::NFIQ2Rev1
const unsigned int NFIQ2Rev1
Unified quality score (NFIQ 2.1).
NFIQ2::Identifiers::CBEFF::Vendor
const unsigned int Vendor
Quality algorithm vendor.
NFIQ2::Identifiers::CBEFF::NFIQ2Rev0
const unsigned int NFIQ2Rev0
Unified quality score (NFIQ 2.0).
NFIQ2::Identifiers::CBEFF::NFIQ2Rev2
const unsigned int NFIQ2Rev2
Unified quality score (NFIQ 2.2).
NFIQ2::Identifiers::CBEFF::NFIQ2Rev3
const unsigned int NFIQ2Rev3
Unified quality score (NFIQ 2.3).
NFIQ2::Identifiers::PredictionAlgorithms::RandomForest
const char RandomForest[]
Identifier for the RandomForest prediction algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::OrientationFlow
const char OrientationFlow[]
Identifier for the OrientationFlow quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::RegionOfInterestMean
const char RegionOfInterestMean[]
Identifier for the RegionOfInterestMean quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::RidgeValleyUniformity
const char RidgeValleyUniformity[]
Identifier for the RidgeValleyUniformity quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::FrequencyDomainAnalysis
const char FrequencyDomainAnalysis[]
Identifier for the FrequencyDomainAnalysis quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::Contrast
const char Contrast[]
Identifier for the Contrast quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::LocalClarity
const char LocalClarity[]
Identifier for the LocalClarity quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::MinutiaeCount
const char MinutiaeCount[]
Identifier for the MinutiaeCount quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::OrientationCertainty
const char OrientationCertainty[]
Identifier for the OrientationCertainty quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::RegionOfInterestCoherence
const char RegionOfInterestCoherence[]
Identifier for the RegionOfInterestCoherence quality measure algorithm.
NFIQ2::Identifiers::QualityMeasureAlgorithms::MinutiaeQuality
const char MinutiaeQuality[]
Identifier for the MinutiaeQuality quality measure algorithm.
NFIQ2::Identifiers::QualityMeasures::Contrast::MeanOfBlockMeans
const char MeanOfBlockMeans[]
Arithmetic mean of per-block means of the image.
NFIQ2::Identifiers::QualityMeasures::Contrast::ImageMean
const char ImageMean[]
Arithmetic mean of the image.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin1
const char Bin1[]
Second of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin6
const char Bin6[]
Seventh of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin3
const char Bin3[]
Fourth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin2
const char Bin2[]
Third of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin8
const char Bin8[]
Ninth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin5
const char Bin5[]
Sixth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin7
const char Bin7[]
Eighth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin0
const char Bin0[]
First of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin9
const char Bin9[]
Tenth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Histogram::Bin4
const char Bin4[]
Fifth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::Mean
const char Mean[]
Mean of local quality value.
NFIQ2::Identifiers::QualityMeasures::FrequencyDomainAnalysis::StdDev
const char StdDev[]
Standard deviation of local quality values.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin4
const char Bin4[]
Fifth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin5
const char Bin5[]
Sixth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin1
const char Bin1[]
Second of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin9
const char Bin9[]
Tenth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin7
const char Bin7[]
Eighth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin2
const char Bin2[]
Third of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin3
const char Bin3[]
Fourth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin0
const char Bin0[]
First of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin6
const char Bin6[]
Seventh of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Histogram::Bin8
const char Bin8[]
Ninth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::Mean
const char Mean[]
Mean of local quality value.
NFIQ2::Identifiers::QualityMeasures::LocalClarity::StdDev
const char StdDev[]
Standard deviation of local quality values.
NFIQ2::Identifiers::QualityMeasures::Minutiae::PercentImageMean50
const char PercentImageMean50[]
Percentage of minutiae whose quality value, as determined by Contrast::Mean of a local region centere...
NFIQ2::Identifiers::QualityMeasures::Minutiae::Count
const char Count[]
Number of minutiae in the image.
NFIQ2::Identifiers::QualityMeasures::Minutiae::PercentOrientationCertainty80
const char PercentOrientationCertainty80[]
Percentage of minutiae whose quality value, as determined by the Orientation Certainty Level of a loc...
NFIQ2::Identifiers::QualityMeasures::Minutiae::CountCOM
const char CountCOM[]
Number of minutiae lying in a 200x200 pixel rectangle centered at the center of mass of the locations...
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin1
const char Bin1[]
Second of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin0
const char Bin0[]
First of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin4
const char Bin4[]
Fifth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin7
const char Bin7[]
Eighth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin6
const char Bin6[]
Seventh of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin3
const char Bin3[]
Fourth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin2
const char Bin2[]
Third of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin9
const char Bin9[]
Tenth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin5
const char Bin5[]
Sixth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Histogram::Bin8
const char Bin8[]
Ninth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::StdDev
const char StdDev[]
Standard deviation of local quality values.
NFIQ2::Identifiers::QualityMeasures::OrientationCertainty::Mean
const char Mean[]
Mean of local quality value.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin5
const char Bin5[]
Sixth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin8
const char Bin8[]
Ninth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin4
const char Bin4[]
Fifth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin1
const char Bin1[]
Second of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin0
const char Bin0[]
First of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin9
const char Bin9[]
Tenth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin3
const char Bin3[]
Fourth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin7
const char Bin7[]
Eighth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin6
const char Bin6[]
Seventh of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Histogram::Bin2
const char Bin2[]
Third of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::StdDev
const char StdDev[]
Standard deviation of local quality values.
NFIQ2::Identifiers::QualityMeasures::OrientationFlow::Mean
const char Mean[]
Mean of local quality value.
NFIQ2::Identifiers::QualityMeasures::RegionOfInterest::CoherenceMean
const char CoherenceMean[]
Average of coherence values over all local regions within the ROI.
NFIQ2::Identifiers::QualityMeasures::RegionOfInterest::Mean
const char Mean[]
Mean grayscale value of the number of local regions having at least 1 pixel in the ROI.
NFIQ2::Identifiers::QualityMeasures::RegionOfInterest::CoherenceSum
const char CoherenceSum[]
Sum of coherence values over all local regions within the ROI.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin2
const char Bin2[]
Third of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin8
const char Bin8[]
Ninth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin7
const char Bin7[]
Eighth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin1
const char Bin1[]
Second of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin6
const char Bin6[]
Seventh of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin3
const char Bin3[]
Fourth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin9
const char Bin9[]
Tenth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin4
const char Bin4[]
Fifth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin5
const char Bin5[]
Sixth of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Histogram::Bin0
const char Bin0[]
First of ten histogram bin boundaries.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::Mean
const char Mean[]
Mean of local quality value.
NFIQ2::Identifiers::QualityMeasures::RidgeValleyUniformity::StdDev
const char StdDev[]
Standard deviation of local quality values.
NFIQ2::Identifiers::UnifiedQualityScores::NFIQ2Rev3
const char NFIQ2Rev3[]
Unified quality score (NFIQ 2.3).
NFIQ2::Identifiers::UnifiedQualityScores::NFIQ2Rev2
const char NFIQ2Rev2[]
Unified quality score (NFIQ 2.2).
NFIQ2::Identifiers::UnifiedQualityScores::NFIQ2Rev1
const char NFIQ2Rev1[]
Unified quality score (NFIQ 2.1).
NFIQ2::Identifiers::UnifiedQualityScores::NFIQ2Rev0
const char NFIQ2Rev0[]
Unified quality score (NFIQ 2.0).
NFIQ2::Sizes::VerticallyAlignedLocalRegionHeight
const unsigned int VerticallyAlignedLocalRegionHeight
Height after rotating local region to vertically align ridges.
Definition nfiq2_constants.hpp:471
NFIQ2::Sizes::VerticallyAlignedLocalRegionWidth
const unsigned int VerticallyAlignedLocalRegionWidth
Width after rotating local region to vertically align ridges.
Definition nfiq2_constants.hpp:469
NFIQ2::Sizes::LocalRegionSquare
const unsigned int LocalRegionSquare
Number of pixels (in width and height) comprising a local region.
Definition nfiq2_constants.hpp:467
NFIQ2::Thresholds::ActionableQualityFeedback::FingerprintImageWithMinutiae
const double FingerprintImageWithMinutiae
Threshold value for IDs::FingerprintImageWithMinutiae.
NFIQ2::Thresholds::ActionableQualityFeedback::SufficientFingerprintForeground
const double SufficientFingerprintForeground
Threshold value for IDs::SufficientFingerprintForeground.
NFIQ2::Thresholds::ActionableQualityFeedback::UniformImage
const double UniformImage
Threshold value for IDs::UniformImage.
NFIQ2::Thresholds::ActionableQualityFeedback::EmptyImageOrContrastTooLow
const double EmptyImageOrContrastTooLow
Threshold value for IDs::EmptyImageOrContrastTooLow.
NFIQ2
Classes and functions that contribute to the calculation of unified quality scores.
Definition nfiq2.hpp:103
nfiq2_data.hpp
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