# Flip Extended Visual Cryptography for Gray-Scale and Color Cover Images

> Research article (Symmetry, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3114122837](https://www.wikidata.org/wiki/openalex:W3114122837)  
**Source**: https://4ort.xyz/entity/flip-extended-visual-cryptography-for-gray-scale-and-color-cover-images