# Sub-Rayleigh resolution ghost imaging by spatial low-pass filtering

> Research article (Optics Letters, 2017) · cited 49× · AI/ML

**Wikidata**: [openalex:W2771795729](https://www.wikidata.org/wiki/openalex:W2771795729)  
**Source**: https://4ort.xyz/entity/sub-rayleigh-resolution-ghost-imaging-by-spatial-low-pass-filtering