# CLEAR: Multimodal Human Activity Recognition via Contrastive Learning Based Feature Extraction Refinement

> Research article (Sensors, 2025) · cited 10× · AI/ML

**Wikidata**: [openalex:W4407143345](https://www.wikidata.org/wiki/openalex:W4407143345)  
**Source**: https://4ort.xyz/entity/clear-multimodal-human-activity-recognition-via-contrastive-learning-based-feature-extraction-refinement