# Multi-Layer Sparse Representation for Weighted LBP-Patches Based Facial Expression Recognition

> Research article (Sensors, 2015) · cited 24× · AI/ML

**Wikidata**: [openalex:W2070299648](https://www.wikidata.org/wiki/openalex:W2070299648)  
**Source**: https://4ort.xyz/entity/multi-layer-sparse-representation-for-weighted-lbp-patches-based-facial-expression-recognition