# Blue Ballpoint Pen Inks Differentiation using Multivariate Image Analysis of Digital Images Captured with PhotoMetrix PRO®

> Research article (Brazilian Journal of Forensic Science Medical Law and Bioethics, 2020) · cited 10× · AI/ML

**Wikidata**: [openalex:W3028944338](https://www.wikidata.org/wiki/openalex:W3028944338)  
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