11.07.2015 Views

acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

ANSI/<strong>NIST</strong>-ITL 1-<strong>2011</strong> - UPDATE 2013 DRAFT VERSIONFigure 29: Decision process <strong>for</strong> local ridge qualityLocal area inFriction Ridge<strong>Image</strong>Is any ridge in<strong>for</strong>mationpresent?NoLocQ 0BackgroundAre you certain of the presence,direction, and continuity of theridges in the area? Are you certainthat the ridges entering, passingthrough, and exiting the area arethe same ridges and not due toanother impression, double tap, ora smear?YesAre you certain of thecontinuity of ridge flow?YesNoLocQ 1Debatable ridge flowAre you certain of the presence orabsence of all minutiae in the area– to the extent that contradiction ina comparison would be reason <strong>for</strong>an exclusion?Are you certain of thepresence and absence ofall minutiae?NoLocQ 2Definitive ridge flow, debatableminutiaeYesAre the edges of all ridges in thearea clear and continuous?Are the ridge edge contoursclear and unambiguous?NoLocQ 3Definitive minutiae,debatable ridge edgeYesAre you certain that all pores in thearea can be located precisely?Are the pores clear andunambiguous?NoLocQ 4Definitive ridge edge,debatable poresYesLocQ 5All data is clear488

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

Saved successfully!

Ooh no, something went wrong!