# A nonsmooth regularization approach based on shearlets for Poisson noise removal in ROI tomography

> Research article (Applied Mathematics and Computation, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2755273595](https://www.wikidata.org/wiki/openalex:W2755273595)  
**Source**: https://4ort.xyz/entity/a-nonsmooth-regularization-approach-based-on-shearlets-for-poisson-noise-removal-in-roi-tomography