# A new focus evaluation operator based on max–min filter and its application in high quality multi-focus image fusion

> Research article (Multidimensional Systems and Signal Processing, 2019) · cited 25× · AI/ML

**Wikidata**: [openalex:W2967840409](https://www.wikidata.org/wiki/openalex:W2967840409)  
**Source**: https://4ort.xyz/entity/a-new-focus-evaluation-operator-based-on-maxmin-filter-and-its-application-in-high-quality-multi-focus-image-fusion