# A non-linear preprocessing for opto-digital image encryption using multiple-parameter discrete fractional Fourier transform

> Research article (Optics Communications, 2015) · cited 41× · AI/ML

**Wikidata**: [openalex:W1758003804](https://www.wikidata.org/wiki/openalex:W1758003804)  
**Source**: https://4ort.xyz/entity/a-non-linear-preprocessing-for-opto-digital-image-encryption-using-multiple-parameter-discrete-fractional-fourier-transf