# The Gray Analysis and Machine Learning for Device-Free Multitarget Localization in Passive UHF RFID Environments

> Research article (IEEE Transactions on Industrial Informatics, 2019) · cited 63× · AI/ML

**Wikidata**: [openalex:W3001237301](https://www.wikidata.org/wiki/openalex:W3001237301)  
**Source**: https://4ort.xyz/entity/the-gray-analysis-and-machine-learning-for-device-free-multitarget-localization-in-passive-uhf-rfid-environments