# Accuracy improvement of quantitative LIBS analysis of coal properties using a hybrid model based on a wavelet threshold de-noising and feature selection method

> Research article (Applied Optics, 2020) · cited 42× · AI/ML

**Wikidata**: [openalex:W3036541193](https://www.wikidata.org/wiki/openalex:W3036541193)  
**Source**: https://4ort.xyz/entity/accuracy-improvement-of-quantitative-libs-analysis-of-coal-properties-using-a-hybrid-model-based-on-a-wavelet-threshold-