# 2D Quaternion Sparse Discriminant Analysis

> Research article (IEEE Transactions on Image Processing, 2019) · cited 24× · AI/ML

**Wikidata**: [openalex:W2982546332](https://www.wikidata.org/wiki/openalex:W2982546332)  
**Source**: https://4ort.xyz/entity/2d-quaternion-sparse-discriminant-analysis