# PU-M-Net for phase unwrapping with speckle reduction and structure protection in ESPI

> Research article (Optics and Lasers in Engineering, 2021) · cited 37× · AI/ML

**Wikidata**: [openalex:W3214823030](https://www.wikidata.org/wiki/openalex:W3214823030)  
**Source**: https://4ort.xyz/entity/pu-m-net-for-phase-unwrapping-with-speckle-reduction-and-structure-protection-in-espi