# Occlusion expression recognition based on non-convex low-rank double dictionaries and occlusion error model

> Research article (Signal Processing Image Communication, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2941472776](https://www.wikidata.org/wiki/openalex:W2941472776)  
**Source**: https://4ort.xyz/entity/occlusion-expression-recognition-based-on-non-convex-low-rank-double-dictionaries-and-occlusion-error-model