# The edge artifact in the point-spread function-based PET reconstruction at different sphere-to-background ratios of radioactivity

> Research article (Annals of Nuclear Medicine, 2015) · cited 36× · AI/ML

**Wikidata**: [openalex:W2187600374](https://www.wikidata.org/wiki/openalex:W2187600374)  
**Source**: https://4ort.xyz/entity/the-edge-artifact-in-the-point-spread-function-based-pet-reconstruction-at-different-sphere-to-background-ratios-of-radi