NFIQ 2 | NIST

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<a class="usa-button usa-button--accent-cool" href="/web/20230213204728/https://www.nist.gov/services-resources/software">SOFTWARE</a> </div> <div class="nist-block"> <h1 class="nist-page__title">NFIQ 2</h1> </div> </div> </div> <div class="grid-container margin-top-4"> <div class="grid-row grid-gap-6"> <aside class="nist-page__region nist-page__region--sidebar-second-top-mobile grid-col-12"> <div class="gray-box"> <div class="views-element-container nist-block"> <div><div class="js-view-dom-id-3d3059d39ec30f1f165a26e523bbf1769c18665be08fba5159aeac5a4ee07aaa"> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above string"> <h3 class="nist-field__label">Version</h3> <div class="nist-field__item">2.2.0</div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above string"> <h3 class="nist-field__label">Type of Software</h3> <div class="nist-field__item">Biometric fingerprint quality assessment </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above daterange"> <h3 class="nist-field__label">Last Updated</h3> <div class="nist-field__item"><time datetime="2021-11-12T12:00:00Z">2021-11-12</time> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above nist-field--link-list entity-reference"> <h3 class="nist-field__label">NIST Author</h3> <div class="nist-field__items"> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/people/elham-tabassi" hreflang="en">Elham Tabassi</a></div> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/people/gregory-fiumara" hreflang="en">Gregory Fiumara</a></div> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above text-long"> <h3 class="nist-field__label">Other Contributors</h3> <div class="nist-field__item"><ul><li><a href="https://web.archive.org/web/20230213204728/https://www.bsi.bund.de/">Federal Office for Information Security (BSI)</a> </li> <li><a href="https://web.archive.org/web/20230213204728/https://www.bka.de/">Federal Criminal Police Office (BKA)</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.mitre.org/">MITRE</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.igd.fraunhofer.de/">Fraunhofer IGD</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://h-da.de/">Hochschule Darmstadt (h_da)</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.secunet.com/">Secunet</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2/graphs/contributors">GitHub Contributors</a></li> </ul></div> </div> </div> </div> </aside> <div class="nist-page__region nist-page__region--content tablet-lg:grid-col-8"> <div class="nist-block"> <div class="text-with-summary"> <h2 class="nist-block__title">About</h2> <p>NIST Fingerprint Image Quality (NFIQ) 2 is open source software that links image quality of optical and ink 500 PPI fingerprints to operational recognition performance. This allows quality values to be tightly defined and then numerically calibrated, which in turn allows for the standardization needed to support a worldwide deployment of fingerprint sensors with universally interpretable image qualities. NFIQ 2 quality features are formally standardized as part of <a href="https://web.archive.org/web/20230213204728/http://www.iso.org/iso/catalogue_detail.htm?csnumber=62791">ISO/IEC 29794-4</a> and serve as the reference implementation of the standard.</p> <h2 class="nist-block__title">Source code</h2> <p>Development of NFIQ 2 occurs on <a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2">the official NFIQ 2 GitHub</a>.</p> <h2 class="nist-block__title">Downloads</h2> <p>Installers for major releases are available on <a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2/releases">the Releases tab of the official NFIQ 2 GitHub</a>. These downloads include a command-line interface for a variety of platforms, as well as development files for third-party integrators.</p> <h2 class="nist-block__title">Presentations/Reports</h2> <ul><li><strong>12 January 2022</strong>: <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="c97b5a2e-1305-412f-9d04-2afba627b7f4" href="/web/20230213204728/https://www.nist.gov/document/nfiq-22-update-and-weaknesses" title="NFIQ 2.2 Update and Weaknesses" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2022/01/12/nfiq2_update_jan_2022_1.pdf"><em>ISO/IEC 29794-4 Implementation: Updates and Weaknesses</em></a> <ul><li>Presentation to ISO/IEC JTC1/SC 37/WG 3 on the release of NFIQ 2.2.</li> </ul></li> <li><strong>12 July 2021</strong>: <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="97026057-915b-4754-887c-d42228583327" href="/web/20230213204728/https://www.nist.gov/publications/nist-fingerprint-image-quality-2" title="NIST Fingerprint Image Quality 2">NIST Interagency Report 8382: <em>NFIQ 2 Report</em></a></li> <li><strong>15 June 2021</strong>: <a href="https://web.archive.org/web/20230213204728/https://eab.org/events/program/248">Workshop on Fingerprint Image Quality (NFIQ 2.1)</a> <ul><li>Two days of presentations and videos about NFIQ 2 at this website.</li> </ul></li> <li><strong>26 March 2014</strong>: <a href="https://web.archive.org/web/20230213204728/https://www.nist.gov/publications/towards-nfiq-ii-lite-self-organizing-maps-fingerprint-image-quality-assessment">NISTIR 7973: T<em>owards NFIQ II Lite, Self Organizing Maps for Fingerprint Image Quality Assessment</em></a></li> <li><strong>01-04 April 2014</strong>: <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="c9cfb2be-d71e-4ce2-910c-1925f74f7348" href="/web/20230213204728/https://www.nist.gov/itl/iad/image-group/ibpc-2014-presentations" title="IBPC 2014 Presentations">IBPC 2014</a> <ul><li>Oliver Bausinger (BSI): <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="64fafedd-cc6d-4202-b9b4-2f6dee16a343" href="/web/20230213204728/https://www.nist.gov/document/03tuesdaybausinger20140328bausingernfiq20usecasesibpc2014pdf" title="03_tuesday_bausinger_20140328_bausinger_nfiq2_0_usecases_ibpc2014.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2020/01/22/03_tuesday_bausinger_20140328_bausinger_nfiq2_0_usecases_ibpc2014.pdf">NFIQ 2.0 Adoption and use-cases: in EU:e-passport, EU-VIS and U.S</a></li> <li>Martin Olsen and Christoph Busch (Hochschule Darmstadt): <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0edf43f6-13cf-48f3-9707-041316e8068e" href="/web/20230213204728/https://www.nist.gov/document/02tuesdayolsen20140401olsenmartinqualityfeaturesnfiq2flagspdf" title="02_tuesday_olsen_20140401_olsen_martin_quality_features_nfiq2_flags.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2019/12/09/02_tuesday_olsen_20140401_olsen_martin_quality_features_nfiq2_flags.pdf">Standardization :: ISO/IEC 29794-4 mapping NFIQ 2.0 quality components to impairments</a></li> <li>Michael Schwaiger (Secunet) + Elham Tabassi (NIST) <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="eeb6cc3a-15b0-43ca-a6ac-87d3b0aef963" href="/web/20230213204728/https://www.nist.gov/document/04tuesdayschwaigernfiq2-operational-developmentpdf" title="04_tuesday_schwaiger_nfiq2-operational-development.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2020/04/03/04_tuesday_schwaiger_nfiq2-operational-development.pdf">NFIQ 2.0 open source: Operational release + Development kit</a></li> <li>Elham Tabassi (NIST): <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="c3b18a14-5a10-4567-b1bd-a80f3e563192" href="/web/20230213204728/https://www.nist.gov/document/nfiqslidesibpcfinalpdf" title="nfiq_slides_ibpc_final.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2021/10/13/nfiq_slides_ibpc_final.pdf">NFIQ 2.0::Design, implementation, and performance evaluation</a></li> </ul></li> <li><strong>17 September 2013</strong>: <em><a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="c76b8673-6409-4711-a11b-6d9767d26d7e" href="/web/20230213204728/https://www.nist.gov/document/nfiq2slidesbcc2013tabassifinalpdf" title="nfiq2_slides_bcc2013_tabassi_final.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2016/12/07/nfiq_slides_bcc_final.pdf">NFIQ 2 Core Technical Specification</a>,</em> presented at the 2013 Biometrics Consortium Conference in Tampa, Florida (17–19 Sept 2013).</li> <li><strong>26 April 2013</strong>: <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="6c60033f-71d7-4349-bab2-4088642513c1" href="/web/20230213204728/https://www.nist.gov/itl/iad/image-group/nfiq-2-workshop-2013" title="NFIQ 2 Workshop (2013)">NFIQ 2 Workshop (2013)</a></li> <li><strong>05 June 2012</strong>: Version 0.5 of the <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0abc03f1-49f2-4b81-b1b4-08136c0b0442" href="/web/20230213204728/https://www.nist.gov/document/nfiq-2qualityfeaturedefin-ver05pdf" title="nfiq-2_quality_feature_defin-ver05.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2021/10/06/nfiq-2_quality_feature_defin-ver05.pdf">NFIQ2 Feature Definitions Document</a>.</li> <li><strong>05 March 2012</strong>: <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="53adc048-ac07-491f-bc3d-e2e35806cfb4" href="/web/20230213204728/https://www.nist.gov/itl/iad/image-group/nfiq-2-workshop-2012" title="NFIQ 2 Workshop (2012)">NFIQ 2 Workshop (2012)</a></li> <li><strong>25 February 2010</strong>: Initial <a data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="bfb6adab-b477-4113-9734-5ae5015457bb" href="/web/20230213204728/https://www.nist.gov/document/nfiq2callforparticipationv00pdf-0" title="nfiq2_call_for_participation_v0.0.pdf" class="media-link-ga " data-file-url="https://www.nist.gov/system/files/documents/2016/12/07/nfiq_2_call_for_participation_v0.0.pdf">call for participation</a> for NFIQ 2 development.</li> </ul> </div> </div> <div class="nist-block"> <h2 class="nist-block__title">Related Publications</h2> <div class="nist-field nist-field--label-hidden nist-field--link-list entity-reference link-list"> <div class="nist-field__items"> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/publications/nist-fingerprint-image-quality-2" hreflang="en">NIST Fingerprint Image Quality 2</a></div> </div> </div> </div> <div class="nist-block">  <div data-elastic-exclude="" class="nist-tags"> <a href="/web/20230213204728/https://www.nist.gov/topic-terms/information-technology" hreflang="en">Information technology</a> and <a href="/web/20230213204728/https://www.nist.gov/topic-terms/biometrics" hreflang="en">Biometrics</a></div>  </div> </div> <aside class="nist-page__region nist-page__region--sidebar-second tablet-lg:grid-col-4"> <div class="nist-page__region nist-page__region--sidebar-second-top gray-box"> <div class="views-element-container nist-block"> <div><div class="js-view-dom-id-3d3059d39ec30f1f165a26e523bbf1769c18665be08fba5159aeac5a4ee07aaa"> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above string"> <h3 class="nist-field__label">Version</h3> <div class="nist-field__item">2.2.0</div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above string"> <h3 class="nist-field__label">Type of Software</h3> <div class="nist-field__item">Biometric fingerprint quality assessment </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above daterange"> <h3 class="nist-field__label">Last Updated</h3> <div class="nist-field__item"><time datetime="2021-11-12T12:00:00Z">2021-11-12</time> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above nist-field--link-list entity-reference"> <h3 class="nist-field__label">NIST Author</h3> <div class="nist-field__items"> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/people/elham-tabassi" hreflang="en">Elham Tabassi</a></div> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/people/gregory-fiumara" hreflang="en">Gregory Fiumara</a></div> </div> </div> </div> <div class="nist-block"> <div class="nist-field nist-field--label-above text-long"> <h3 class="nist-field__label">Other Contributors</h3> <div class="nist-field__item"><ul><li><a href="https://web.archive.org/web/20230213204728/https://www.bsi.bund.de/">Federal Office for Information Security (BSI)</a> </li> <li><a href="https://web.archive.org/web/20230213204728/https://www.bka.de/">Federal Criminal Police Office (BKA)</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.mitre.org/">MITRE</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.igd.fraunhofer.de/">Fraunhofer IGD</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://h-da.de/">Hochschule Darmstadt (h_da)</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://www.secunet.com/">Secunet</a></li> <li><a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2/graphs/contributors">GitHub Contributors</a></li> </ul></div> </div> </div> </div> <div>  <div class="views-element-container nist-block nist-block--org" data-elastic-exclude=""> <h2 class="nist-block__title">Organizations</h2> <div><div class="js-view-dom-id-25cc1aaaca37fd955c56a748be060cce9cde794ddb099c66fd9181a2724dd661"> <div class="nist-related-orgs"><div class="term-tree-list"> <ul class="term"><li><a href="/web/20230213204728/https://www.nist.gov/nist-organizations/nist-headquarters" class="selected" hreflang="en">NIST Headquarters</a></li><li><ul class="term"><li><a href="/web/20230213204728/https://www.nist.gov/nist-organizations/nist-headquarters/laboratory-programs" class="selected" hreflang="en">Laboratory Programs</a></li><li><ul class="term"><li><a href="/web/20230213204728/https://www.nist.gov/nist-organizations/nist-headquarters/laboratory-programs/information-technology-laboratory" class="selected" hreflang="en">Information Technology Laboratory</a></li><li><ul class="term"><li><a href="/web/20230213204728/https://www.nist.gov/nist-organizations/nist-headquarters/laboratory-programs/information-technology-laboratory-1" class="selected" hreflang="en">Information Access Division</a></li><li><ul class="term"><li><a href="/web/20230213204728/https://www.nist.gov/nist-organizations/nist-headquarters/laboratory-programs/information-technology-laboratory-18" class="selected" hreflang="en">Image Group</a></li></ul></li></ul></li></ul></li></ul></li></ul> </div> </div> <div class="nist-related-orgs"></div> <div class="nist-related-orgs"></div> <div class="nist-related-orgs"></div> <div class="nist-related-orgs"></div> </div> </div> </div>  <div class="nist-block"> <h2 class="nist-block__title">System/Platform Requirements</h2> <div class="text-long"><p>NIST supplies installers for:</p> <ul><li>Windows 10 (32/64-bit)</li> <li>macOS 10.15 (Intel)</li> <li>macOS 12 (Intel, M1)</li> <li>Ubuntu 20.04 LTS</li> <li>Red Hat Enterprise Linux/CentOS 7 (64-bit)</li> <li>Red Hat Enterprise Linux/CentOS 8 (64-bit)</li> <li>Raspberry Pi OS 2021 (32-bit)</li> </ul></div> </div> <div class="nist-block"> <h2 class="nist-block__title">Licensing Information</h2> <div class="text-long"><p><a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2/blob/master/LICENSE.md">Public domain license</a></p></div> </div> <div class="nist-block"> <h2 class="nist-block__title">Download Information</h2> <div class="text-long"><p><a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2/releases">https://github.com/usnistgov/NFIQ2/releases</a></p></div> </div> <div class="nist-block"> <h2 class="nist-block__title">Documentation/User Guide</h2> <div class="text-long"><p><a href="https://web.archive.org/web/20230213204728/https://pages.nist.gov/NFIQ2/docs/git-master/">API documentation</a> for NFIQ 2 is available on <a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/NFIQ2">the official NFIQ 2 GitHub</a>. Details about the technical implementation of NFIQ 2 can be found in the <a href="https://web.archive.org/web/20230213204728/https://doi.org/10.6028/NIST.IR.8382">NFIQ 2 Report</a> as well as <a href="https://web.archive.org/web/20230213204728/http://www.iso.org/iso/catalogue_detail.htm?csnumber=62791">ISO/IEC 29794-4</a>.</p></div> </div> <div class="nist-block"> <h2 class="nist-block__title">References/Credits/Disclaimers</h2> <div class="text-long"><p>NFIQ 2 employs <a href="https://web.archive.org/web/20230213204728/https://github.com/FingerJetFXOSE/FingerJetFXOSE">FingerJet FX OSE</a> under the terms of version 3 of the <a href="https://web.archive.org/web/20230213204728/https://www.gnu.org/licenses/lgpl-3.0.en.html">GNU Lesser General Public License</a>, <a href="https://web.archive.org/web/20230213204728/https://github.com/opencv/opencv">OpenCV</a> under the terms of version 2 of the <a href="https://web.archive.org/web/20230213204728/https://www.apache.org/licenses/LICENSE-2.0.html">Apache license</a>, and <a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/libbiomeval">Biometric Evaluation</a>, <a href="https://web.archive.org/web/20230213204728/https://github.com/kerukuro/digestpp">digestpp</a>, and <a href="https://web.archive.org/web/20230213204728/https://github.com/usnistgov/nfir">NFIR</a> under a public domain license.</p></div> </div> <div class="nist-block"> <h2 class="nist-block__title">Related Project</h2> <div class="nist-field nist-field--label-hidden nist-field--link-list entity-reference link-list"> <div class="nist-field__items"> <div class="nist-field__item"><a href="/web/20230213204728/https://www.nist.gov/programs-projects/biometric-quality" hreflang="en">Biometric Quality</a></div> </div> </div> </div> </div> </aside> </div> </div> <div class="grid-container"> <div class="nist-page__region nist-page__region--content-bottom"> <div class="nist-block nist-block--contact"> <h2 class="nist-block__title">Contact</h2> <div class="nist-contact"> <h3 class="nist-contact__heading">NFIQ 2 POC</h3> <ul class="nist-contact__items"> <li role="article" about="/people/elham-tabassi" class="nist-contact__item"> <div class="nist-contact__name"><a href="/web/20230213204728/https://www.nist.gov/people/elham-tabassi" title="View staff profile page">Elham Tabassi</a></div> <div> <a href="https://web.archive.org/web/20230213204728/mailto:elham.tabassi@nist.gov">elham.tabassi@nist.gov</a> </div> <div> (301) 975-5292 </div> </li> <li class="nist-contact__item"> <div class="nist-contact__name"> NFIQ 2 Team </div> <div> <a href="https://web.archive.org/web/20230213204728/mailto:nfiq2@nist.gov">nfiq2@nist.gov</a> </div> <div> </div> </li> </ul> </div> </div> <div class="nist-block"> <div class="text-italic font-sans-2xs"> Created February 11, 2011, Updated January 11, 2023 </div> </div> </div> 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