# A Nonconvex Framework for Sparse Unmixing Incorporating the Group Structure of the Spectral Library

> Research article (IEEE Transactions on Geoscience and Remote Sensing, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3168241937](https://www.wikidata.org/wiki/openalex:W3168241937)  
**Source**: https://4ort.xyz/entity/a-nonconvex-framework-for-sparse-unmixing-incorporating-the-group-structure-of-the-spectral-library