# Human Activity Recognition Based on Non-Contact Radar Data and Improved PCA Method

> Research article (Applied Sciences, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4285594463](https://www.wikidata.org/wiki/openalex:W4285594463)  
**Source**: https://4ort.xyz/entity/human-activity-recognition-based-on-non-contact-radar-data-and-improved-pca-method