# A Visual-Based Approach for Indoor Radio Map Construction Using Smartphones

> Research article (Sensors, 2017) · cited 25× · AI/ML

**Wikidata**: [openalex:W2744793037](https://www.wikidata.org/wiki/openalex:W2744793037)  
**Source**: https://4ort.xyz/entity/a-visual-based-approach-for-indoor-radio-map-construction-using-smartphones