# Multi-focus image fusion using a guided-filter-based difference image

> Research article (Applied Optics, 2016) · cited 38× · AI/ML

**Wikidata**: [openalex:W2392489220](https://www.wikidata.org/wiki/openalex:W2392489220)  
**Source**: https://4ort.xyz/entity/multi-focus-image-fusion-using-a-guided-filter-based-difference-image