Standardizing fingerprint minutiae: A comprehensive inventory and statistical analysis based on Brazilian data

This study introduces a comprehensive inventory of 54 fingerprint minutiae and their variations aimed at standardizing characteristic point identification within forensic science. By analyzing a strategically sampled collection of fingerprints from the Brazilian Federal Police database, stratified b...

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Bibliographic Details
Published in:	Forensic science international Vol. 364; p. 112233
Main Authors:	da Silva Gomes, Gabriel Ângelo, Marouelli de Oliveira, Lílian Pedrosa, da Silva Carvalho, Daniel, de Araújo Brito, Felipe Carlos, Matsushita, Raul Yukihiro
Format:	Journal Article
Language:	English
Published:	Ireland Elsevier B.V 01-11-2024 Elsevier Limited
Subjects:	Brazilian population analysis Chi-square test Comparative studies Fingerprint minutiae distribution Fingerprints Forensic anthropology Forensic identification standards Forensic science Forensic sciences Geographical locations Level detail analysis Literature reviews Males Minutiae frequency statistics Police Population Sex Statistical analysis Forensic anthropology Brazilian population analysis Minutiae frequency statistics Fingerprint minutiae distribution Forensic identification standards Level detail analysis
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Summary:	This study introduces a comprehensive inventory of 54 fingerprint minutiae and their variations aimed at standardizing characteristic point identification within forensic science. By analyzing a strategically sampled collection of fingerprints from the Brazilian Federal Police database, stratified by sex and geographic location, our research uncovers the complex interplay between various levels of fingerprint details (L1D, L2D, and L3D) and demographic factors such as sex and finger type. The sample encompassed the entire proposed list of minutiae, affirming the diversity and representativeness of the Brazilian populace, which had, for the first time, its minutiae frequency distributions studied. This investigation proposes a systematic approach for enhancing fingerprint identification accuracy by minimizing data categorization losses and lays the groundwork for more uniform comparative studies in the field. Our findings, derived from a review of contemporary studies and traditional identification manuals, suggest a step towards establishing a universally accepted standard for fingerprint minutiae classification. •The first study of fingerprint minutiae distribution in the Brazilian population.•Considers simultaneously the largest list of minutiae types already studied.•Distributions of minutiae by sex, general patterns, and finger type.•Significant statistical relationships between L2D, L1D/L3D and finger types.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0379-0738 1872-6283 1872-6283
DOI:	10.1016/j.forsciint.2024.112233