# Motion keypoint trajectory and covariance descriptor for human action recognition

> Research article (The Visual Computer, 2017) · cited 30× · AI/ML

**Wikidata**: [openalex:W2568809662](https://www.wikidata.org/wiki/openalex:W2568809662)  
**Source**: https://4ort.xyz/entity/motion-keypoint-trajectory-and-covariance-descriptor-for-human-action-recognition