Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Special Database 32 - Multiple Encounter Dataset (MEDS)

NIST Special Database 32 - Multiple Encounter Dataset (MEDS) is a test corpus organized from an extract of submissions of deceased persons with prior multiple encounters. MEDS is provided to assist the FBI and partner organizations refine tools, techniques, and procedures for face recognition as it supports Next Generation Identification (NGI), forensic comparison, training, and analysis, and face image conformance and inter-agency exchange standards. The MITRE Corporation (MITRE) prepared MEDS in the FBI Data Analysis Support Laboratory (DASL) with support from the FBI Biometric Center of Excellence.


MEDS-I (May 10, 2010)

NIST_SD32_MEDS-I Description Document [278K]- PDF File

NIST_SD32_MEDS-I Face JPEGS [28M]- Zip file

NIST_SD32_MEDS-I Images in html formatted pages [30M] - Zip File

NIST_SD32_MEDS-I metadata files [27K] - CSV file (spreadsheet)

MEDS-II ( updated July 21, 2011)

NIST_SD32_MEDS-II Description Document [1,376K]- PDF File

NIST_SD32_MEDS-II_README [5.4K] - Text File

NIST_SD32_MEDS-II_face [52.8M] - Zip File

NIST_SD32_MEDS-II_metadata [450K] - Zip File

Created May 10, 2010, Updated April 9, 2019