# Optically Non-Contact Cross-Country Skiing Action Recognition Based on Key-Point Collaborative Estimation and Motion Feature Extraction

> Research article (Sensors, 2023) · cited 10× · AI/ML

**Wikidata**: [openalex:W4362467984](https://www.wikidata.org/wiki/openalex:W4362467984)  
**Source**: https://4ort.xyz/entity/optically-non-contact-cross-country-skiing-action-recognition-based-on-key-point-collaborative-estimation-and-motion-fea