# An efficient ROI based copyright protection scheme for digital images with SVD and orthogonal polynomials transformation

> Research article (Optik, 2018) · cited 36× · AI/ML

**Wikidata**: [openalex:W2797106193](https://www.wikidata.org/wiki/openalex:W2797106193)  
**Source**: https://4ort.xyz/entity/an-efficient-roi-based-copyright-protection-scheme-for-digital-images-with-svd-and-orthogonal-polynomials-transformation