# Point spread function and depth-invariant focal sweep point spread function for plenoptic camera 20

> Research article (Optics Express, 2017) · cited 20× · AI/ML

**Wikidata**: [openalex:W2607027568](https://www.wikidata.org/wiki/openalex:W2607027568)  
**Source**: https://4ort.xyz/entity/point-spread-function-and-depth-invariant-focal-sweep-point-spread-function-for-plenoptic-camera-20