# Automatic method for classifying COVID-19 patients based on chest X-ray images, using deep features and PSO-optimized XGBoost

> Research article (Expert Systems with Applications, 2021) · cited 68× · AI/ML

**Wikidata**: [openalex:W3173455503](https://www.wikidata.org/wiki/openalex:W3173455503)  
**Source**: https://4ort.xyz/entity/automatic-method-for-classifying-covid-19-patients-based-on-chest-x-ray-images-using-deep-features-and-pso-optimized-xgb