# Autofocusing of Fresnel zone aperture lensless imaging for QR code recognition

> Research article (Optics Express, 2023) · cited 31× · AI/ML

**Wikidata**: [openalex:W4365150972](https://www.wikidata.org/wiki/openalex:W4365150972)  
**Source**: https://4ort.xyz/entity/autofocusing-of-fresnel-zone-aperture-lensless-imaging-for-qr-code-recognition