# A Color Image Authentication Scheme With Grayscale Invariance

> Research article (IEEE Access, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W3117034110](https://www.wikidata.org/wiki/openalex:W3117034110)  
**Source**: https://4ort.xyz/entity/a-color-image-authentication-scheme-with-grayscale-invariance