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    • NIST Handprinted Forms and Characters - NIST Special Database 19

    Metadata Updated: September 30, 2025

    Special Database 19 contains NIST's entire corpus of training materials for handprinted document and character recognition. It publishes Handprinted Sample Forms from 3600 writers, 810,000 character images isolated from their forms, ground truth classifications for those images, reference forms for further data collection, and software utilities for image management and handling. there are two editions of the databases. One is the original database with the images in mis or pct format. It also includes software to open and manipulate the data. The second edition has the images all in PNG format.

    Access & Use Information

    Restricted: This dataset can only be accessed or used under certain conditions. License: See this page for license information.

    Downloads & Resources

    References

    https://s3.amazonaws.com/nist-srd/SD19/sd19_users_guide_edition_2.pdf
    https://s3.amazonaws.com/nist-srd/SD19/1stEditionUserGuide.pdf

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier FF429BC1785F8B3EE0431A570681E858206
    Language en
    Data Last Modified 2016-08-18 00:00:00
    Rights Access to NIST Special Database 19 is available for a fee. For more information please visit https://www.nist.gov/srd/nist-special-database-19.
    Category Information Technology:Biometrics
    Public Access Level restricted public
    Data Update Frequency irregular
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id b65a6679-3b93-43f2-8b52-12c9e0b4ec62
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    Homepage URL https://www.nist.gov/srd/nist-special-database-19
    License https://www.nist.gov/open/license
    Program Code 006:052
    Related Documents https://s3.amazonaws.com/nist-srd/SD19/sd19_users_guide_edition_2.pdf, https://s3.amazonaws.com/nist-srd/SD19/1stEditionUserGuide.pdf
    Source Datajson Identifier True
    Source Hash fbd412ad693a44995562769c1c374ca3a26d3fac6e343de926e5481c45b7d4b3
    Source Schema Version 1.1

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