# Device-free and privacy preserving indoor positioning using infrared retro-reflection imaging

> Research article (2017 IEEE International Conference on Pervasive Computing and Communications (PerCom), 2017) · cited 23× · AI/ML

**Wikidata**: [openalex:W2611606761](https://www.wikidata.org/wiki/openalex:W2611606761)  
**Source**: https://4ort.xyz/entity/device-free-and-privacy-preserving-indoor-positioning-using-infrared-retro-reflection-imaging