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## Image Group

-  Programs/Projects  Expand or Collapse    -  Fingerprint  Expand or Collapse      -  ANSI/NIST-ITL Standard 
    -  Fingerprint Compression  Expand or Collapse        -  WSQ Certification Procedure 
      -  Biometric Compression Information 
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      -  Slap Fingerprint Segmentation Evaluation (Slapseg) 
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      -  Evaluation of Latent Fingerprint Technologies (ELFT) 
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# Evaluation of Latent Friction Ridge Technology

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Test Results | Mailing List | Test Plan (PDF) and API

## About

Evaluation of Latent Friction Ridge Technology (ELFT) is a one-to-many biometric identification technology evaluation that uses digitized latent friction ridge images and/or feature sets as probes and *all* types of friction ridge images as references. ELFT exercises the template creation and template searching algorithms at the core of Automated Fingerprint Identification Systems (AFIS), not the system itself.

## Participate

                  - Fill out the request for the  dataset agreement  to receive the validation dataset.
                  - Wrap your algorithm in the ELFT  application programming interface (API) , and built it as a shared library.
                  - Follow the instructions for  validation on GitHub .
                  - Sign, date, and scan the  evaluation agreement  to NIST.  Physically  mail the signed agreement to NIST.
                  - Upload the  *signed **and** encrypted*  output of validation, your public encryption key, and your signed evaluation agreement via the  NIST ELFT submission form .

## History

ELFT is a relaunch and reimagining of the similarly named *Evaluation of Latent*Fingerprint*Technologies*, which was conducted at NIST 2006–2012:
                  - ELFT-EFS Evaluation #2  (2010-2012)	                     - NIST IR 7859:*ELFT-EFS Evaluation of Latent Fingerprint Technologies: Extended Feature Sets [Evaluation #2]*  (PDF)
                  - ELFT-EFS Evaluation #1  (2008-2011)	                     - NIST IR 7775: *NIST Evaluation of Latent Fingerprint Technologies: Extended Feature Sets [Evaluation #1]*  (PDF)
                  - ELFT-EFS Public Challenge (2009)
                  - Latent Testing Workshop  (2009)	                     - Presentations
                  - ELFT07  (2006-2007)	                     - NIST IR 7577:  ELFT Phase II - An Evaluation of Automated Latent Fingerprint Identification Technologies (PDF)
                    - Summary of the Results of Phase I ELFT Testing (PDF)
                  - Latent Testing Workshop  (2006)	                     - NIST IR 7377: *Summary of NIST Latent Fingerprint Testing Workshop*  (PDF)
                    - Presentations

Biometrics

## Contacts

                -      ELFT Liaison     elft@nist.gov   

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