# New robust method for image copyright protection using histogram features and Sine Cosine Algorithm

> Research article (Expert Systems with Applications, 2021) · cited 38× · AI/ML

**Wikidata**: [openalex:W3149325346](https://www.wikidata.org/wiki/openalex:W3149325346)  
**Source**: https://4ort.xyz/entity/new-robust-method-for-image-copyright-protection-using-histogram-features-and-sine-cosine-algorithm