The investigation of a relative contrast index model for fingerprint quantification

Vanderwee, Jana, Porter, Glenn, Renshaw, Adrian, and Bell, Michael (2011) The investigation of a relative contrast index model for fingerprint quantification. Forensic Science International, 204 (1-3). pp. 74-79.

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Abstract

The quantification of fingerprint contrast is a relatively new concept in fingerprint enhancement research. It has emerged as a mode of fingerprint assessment to reduce the potential biased of visual qualitative assessment. Subjective qualitative methods that are currently reported in the literature include; side-by-side assessment, assigning a score to a treatment based on visible criteria and stating observed results without presenting supporting validation. These qualitative methods often do not state clearly the visual assessment parameters and produce a degree of ambiguity when defining the enhancement results. The relative contrast index model was constructed to empirically quantify the difference in contrast between fingerprint ridges and valleys, using measurements gained from a microspectrophotometer. This paper seeks to further investigate this recent research and test the model using three different microspectrophotometers. Data from these separate sources will determine whether the theoretical aspects of the model would pragmatically produce reliable and repeatable results across a range of microspectrophotometers found in forensic laboratories.

Item ID: 34046
Item Type: Article (Research - C1)
ISSN: 1872-6283
Keywords: fingerprinting, forensic photography
Date Deposited: 17 Jul 2014 04:50
FoR Codes: 19 STUDIES IN CREATIVE ARTS AND WRITING > 1905 Visual Arts and Crafts > 190503 Lens-based Practice @ 100%
SEO Codes: 95 CULTURAL UNDERSTANDING > 9502 Communication > 950205 Visual Communication @ 100%
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