# Automatic Estimation of Self-Reported Pain by Trajectory Analysis in the Manifold of Fixed Rank Positive Semi-Definite Matrices

> Research article (IEEE Transactions on Affective Computing, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4295916826](https://www.wikidata.org/wiki/openalex:W4295916826)  
**Source**: https://4ort.xyz/entity/automatic-estimation-of-self-reported-pain-by-trajectory-analysis-in-the-manifold-of-fixed-rank-positive-semi-definite-m