supporting market adoption of contactless fingerprint capture technologies john libert...
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Supporting Market Adoption of Contactless Fingerprint Capture Technologies
John Libert
ITL/Information Access Division
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Evolution of Fingerprint Technologies
• Inked Tenprint
• Livescan Tenprint– Appendix-F (Forensic) IQS*
• ID-Flats– PIV† IQS
• Contactless Fingerprint– Rolled? Slap? IQS?
* Image Quality Specification† Personal Identity Verification 2
?Credit: ©Axstokes/Shutterstock.com
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History of Technology Validation & Adoption
Ink to Livescan
Livescan to ID-Flats
Livescan/ID-Flats to Contactless
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1. Ink to Livescan
• Ink impressed from tops of ridges and absorbed by paper fibers
versus • Light frustrated from tops of ridges
touching the glass platen (FTIR *)
• Road to Adoption– Studies, demonstrations, pilots– Appendix-F IQS,
Certified Products List
4*Frustrated Total Internal Reflection
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2. Livescan to ID-Flats
• FTIR versus FTIR• Rolled versus Plain
• Road to Adoption– Studies, demonstrations, pilots– Personal Identify Verification (PIV) IQS,
Certified Products List
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3. Livescan/ID-Flats to Contactless• FTIR versus Touchless
+ Z-axis freedom+ Direct sensing
(sides of ridges in-light / in-shadow)+ Unwrapping?+ Under motion?
• Unlike FTIR, sensor solutions differ between contactless fingerprint technology developers
• Touchless fingerprints must be matchable to the hundreds of millions of touch-based fingerprints on file
• Road to Adoption?– Studies, demonstrations, pilots– New Testing Methods and Metrics for
New Certified Products List• Not a simple extension of Appendix-F or PIV IQS
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NIST CRADA Program(Contactless Fingerprint Capture Device Measurement Research)
• CRADA – Cooperative Research and Development Agreement– http://www.nist.gov/itl/iad/ig/crada_contactless.cfm
• NIST working with industry to develop common criteria, testing methods and metrics to ensure new contactless devices produce fingerprint images that are reliable and appropriate for intended applications
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Why NIST?• Advances measurement science, standards and
technology to enhance economic security and improve our quality of life
• Measures and evaluates information technology– Accuracy - How well it performs– Interoperability - How well it works with other technologies
• Promotes standards and best practices– Key to making things interoperable
• Advances image-based biometric technologies through evaluation and standardization– Fingerprint, Face, and Iris– 50+ Years
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NIST and Industry• Need to determine a set of common testing
requirements and methods that work across different contactless technology solutions
• New testing methods and metrics cannot be successfully developed independently– Not by NIST alone– Not by any Technology Developer alone
• NIST set up CRADA program so Industry can enter into a trustworthy partnership where:+ New devices (prototypes or products) shared with NIST+ Technical details about each device shared with NIST
• NIST is very pleased that MorphoTrak & 3M chose to be early collaborators with NIST under this program!
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Research Strategy
Guiding Principle• Test each contactless capture device under
conditions for which designed– At distance, under motion, with finger(-like)
targets, ...
• Turn off as little functionality as possible (ideally, none)
• Simply taking pictures of flat stationary optical targets is not sufficient
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Evaluation Categories
• Image Accuracy*
• Repeatability
• Reliability
– Matchability
* Primary focus of Appendix-F and PIV IQS
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NIST’s Goal
• Help industry bring contactless fingerprint devices to market quickly and responsibly
• Capabilities of the device properly matched and validated to the requirements of the intended application
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Strategy to Support Industry
Technology• “Slot” New Devices into Existing Application Profiles• Drive Interoperability of New Technologies• Identify New Applications w/ New Requirements
Standards• Adapt & Extend Certification Testing Methods• Develop New Fingerprint Acquisition
Profiles (FAPs)• Update ANSI/NIST-ITL Biometrics
Interchange Standard
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Supporting Market Adoption of Contactless Fingerprint Capture Technologies
http://www.nist.gov/itl/iad/ig/crada_contactless.cfm [email protected]