# An efficient autofocus method for microscope based on the improved first-order derivative Gaussian filtering operator

> Research article (Optics & Laser Technology, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4388174098](https://www.wikidata.org/wiki/openalex:W4388174098)  
**Source**: https://4ort.xyz/entity/an-efficient-autofocus-method-for-microscope-based-on-the-improved-first-order-derivative-gaussian-filtering-operator