# Dimensionality reduction of SPD data based on Riemannian manifold tangent spaces and local affinity

> Research article (Applied Intelligence, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4229025198](https://www.wikidata.org/wiki/openalex:W4229025198)  
**Source**: https://4ort.xyz/entity/dimensionality-reduction-of-spd-data-based-on-riemannian-manifold-tangent-spaces-and-local-affinity