12.07.2015 Views

ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

ANSI/NIST-ITL 1-2011 - NIST Visual Image Processing Group ...

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>ANSI</strong>/<strong>NIST</strong>-<strong>ITL</strong> 1-<strong>2011</strong>Data Format for the Interchange of Biometric and Forensic InformationEFS Definitions of feature confidence and local quality13.7.7 EFS Field 9.308 Ridge Quality/Confidence Map / RQMThis is an assessment of confidence in small local areas within an image. Thelocal quality map is used to define the confidence in all other features, andtherefore is key information. In addition, when the quality map indicates a highqualityregion in which features are not marked, that information can be used as“negative features” or definitive absence of features, which can be used forexclusion.54DRAFT 2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!