# Nonparametric Denoising Methods Based on Contourlet Transform with Sharp Frequency Localization: Application to Low Exposure Time Electron Microscopy Images

> Research article (Entropy, 2015) · cited 57× · AI/ML

**Wikidata**: [openalex:W2111954528](https://www.wikidata.org/wiki/openalex:W2111954528)  
**Source**: https://4ort.xyz/entity/nonparametric-denoising-methods-based-on-contourlet-transform-with-sharp-frequency-localization-application-to-low-expos