# Optical spatial filtering with plasmonic directional image sensors

> Research article (Optics Express, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4285043494](https://www.wikidata.org/wiki/openalex:W4285043494)  
**Source**: https://4ort.xyz/entity/optical-spatial-filtering-with-plasmonic-directional-image-sensors