# Classification accuracy improvement of laser-induced breakdown spectroscopy based on histogram of oriented gradients features of spectral images

> Research article (Optics Express, 2018) · cited 17× · AI/ML

**Wikidata**: [openalex:W2898576422](https://www.wikidata.org/wiki/openalex:W2898576422)  
**Source**: https://4ort.xyz/entity/classification-accuracy-improvement-of-laser-induced-breakdown-spectroscopy-based-on-histogram-of-oriented-gradients-fea