Quantitative Matching of Forensic Evidence Fragments Utilizing 3D Microscopy Analysis of Fracture Surface Replicas

no code implementations • 24 Sep 2021 • Bishoy Dawood, Carlos Llosa-Vite, Geoffrey Z. Thompson, Barbara K. Lograsso, Lauren K. Claytor, John Vanderkolk, William Meeker, Ranjan Maitra, Ashraf Bastawros

In this study, a statistical analysis comparison protocol was applied to a set of 3D topological images of fractured surface pairs and their replicas to provide confidence in the quantitative statistical comparison between fractured items and their replicas.

CatSIM: A Categorical Image Similarity Metric

no code implementations • 20 Apr 2020 • Geoffrey Z. Thompson, Ranjan Maitra

We introduce CatSIM, a new similarity metric for binary and multinary two- and three-dimensional images and volumes.

Image Quality Assessment

Classification with the matrix-variate-$t$ distribution

no code implementations • 22 Jul 2019 • Geoffrey Z. Thompson, Ranjan Maitra, William Q. Meeker, Ashraf Bastawros

Matrix-variate distributions can intuitively model the dependence structure of matrix-valued observations that arise in applications with multivariate time series, spatio-temporal or repeated measures.

Classification General Classification +2