# ℓ0-Norm Sparse Hyperspectral Unmixing Using Arctan Smoothing

> Research article (Remote Sensing, 2016) · cited 28× · AI/ML

**Wikidata**: [openalex:W2277068403](https://www.wikidata.org/wiki/openalex:W2277068403)  
**Source**: https://4ort.xyz/entity/l0-norm-sparse-hyperspectral-unmixing-using-arctan-smoothing