# Guided image filtering in shape-from-focus: A comparative analysis

> Research article (Pattern Recognition, 2020) · cited 57× · AI/ML

**Wikidata**: [openalex:W3088093536](https://www.wikidata.org/wiki/openalex:W3088093536)  
**Source**: https://4ort.xyz/entity/guided-image-filtering-in-shape-from-focus-a-comparative-analysis