# Hierarchical classification models and Handheld NIR spectrometer to human blood stains identification on different floor tiles

> Research article (Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3210304221](https://www.wikidata.org/wiki/openalex:W3210304221)  
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