# Gradual edge enhancement in spiral phase contrast imaging with fractional vortex filters

> Research article (Scientific Reports, 2015) · cited 73× · AI/ML

**Wikidata**: [openalex:W2416650771](https://www.wikidata.org/wiki/openalex:W2416650771)  
**Source**: https://4ort.xyz/entity/gradual-edge-enhancement-in-spiral-phase-contrast-imaging-with-fractional-vortex-filters