# Speckle-noise filtering based on non-local mean sparse principal component analysis method

> Research article (Optics and Lasers in Engineering, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4321196284](https://www.wikidata.org/wiki/openalex:W4321196284)  
**Source**: https://4ort.xyz/entity/speckle-noise-filtering-based-on-non-local-mean-sparse-principal-component-analysis-method