# Radial frequency patterns describe a small and perceptually distinct subset of all possible planar shapes

> Research article (Vision Research, 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2903198730](https://www.wikidata.org/wiki/openalex:W2903198730)  
**Source**: https://4ort.xyz/entity/radial-frequency-patterns-describe-a-small-and-perceptually-distinct-subset-of-all-possible-planar-shapes