✦ LIBER ✦

Inference of identity of source using univariate and bivariate methods

✍ Scribed by C.E.H. Berger

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 719 KB
Edition: 2009
Volume: 49
Category: Article
ISBN-13: 9783642035203
ISSN: 1355-0306
DOI: 10.1016/j.scijus.2009.03.003

No coin nor oath required. For personal study only.

✦ Synopsis

In this study we explore the inference of identity of source using a two-dimensional feature vector. As an example, we study the use of the Bayesian framework for the estimation of the value of evidence of color measurements for identity of source of blue ballpoint pen inks. Univariate as well as bivariate analyses are carried out for color data that was acquired with a flatbed scanner. While this might not be the best method to discriminate inks, we will use it as an example to estimate what the value of the evidence is, however low or high it may be. It is hoped that this exercise is instructional, as a similar approach can readily be applied in other situations.

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