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Principles of Fingerprint Analysis. Fingerprints are unique patterns, made by friction ridges (raised) and furrows (recessed), which appear on the pads of the fingers and thumbs.
May 2, 2014 · What properties of the images in fingerprint pairs are most important and informative in comparing fingerprints? What visual qualities of individual prints or of print pairs make accurate matching performance more or less likely?
- Philip J. Kellman, Jennifer L. Mnookin, Gennady Erlikhman, Patrick Garrigan, Tandra Ghose, Everett M...
- 2014
Nov 5, 2014 · Latent print examiners compare latents (friction ridge impressions from the fingers, palms, or feet of an unknown subject) to exemplars (prints deliberately collected from known subjects), to determine whether the two prints originated from the same source. (See Glossary, Appendix S1.)
- Bradford T. Ulery, R. Austin Hicklin, Maria Antonia Roberts, JoAnn Buscaglia
- 10.1371/journal.pone.0110179
- 2014
- PLoS One. 2014; 9(11): e110179.
Visible prints are formed when blood, dirt, ink, paint, etc., is transferred from a finger or thumb to a surface. Patent prints can be found on a wide variety of surfaces: smooth or rough, porous (such as paper, cloth or wood) or nonporous (such as metal, glass or plastic).
The chief goal is to determine whether and to what extent latent fingerprint preprocessing improves the ability to gain information in the identification of latent impressions, as well as to what extent it transforms latent images with no comparison value into images that can be used for analysis.
CSAFE research focuses on improving methods of latent print analysis and examination through investigation of quality metrics and the impact of image quality on examiner conclusions, the role of proficiency testing and the influence of forensic processing in crime labs.
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Does latent fingerprint preprocessing improve the ability to identify latent impressions?
Are fingerprint images quality and information content related?
What is a database of latent fingerprint images?
Do larger areas of a latent fingerprint provide more information?
The images below present examples of fingerprint features: (a) two types of minutiae and (b) examples of other detailed characteristics sometimes used during the automatic classification and...
