# Simple to Complex, Single to Concurrent Sensor-Based Human Activity Recognition: Perception and Open Challenges

> Research article (IEEE Access, 2024) · cited 23× · AI/ML

**Wikidata**: [openalex:W4400275586](https://www.wikidata.org/wiki/openalex:W4400275586)  
**Source**: https://4ort.xyz/entity/simple-to-complex-single-to-concurrent-sensor-based-human-activity-recognition-perception-and-open-challenges