# Efficient and secure image encryption using key substitution process with discrete wavelet transform

> Research article (Journal of King Saud University - Computer and Information Sciences, 2023) · cited 24× · AI/ML

**Wikidata**: [openalex:W4380853397](https://www.wikidata.org/wiki/openalex:W4380853397)  
**Source**: https://4ort.xyz/entity/efficient-and-secure-image-encryption-using-key-substitution-process-with-discrete-wavelet-transform