# Highly robust hybrid image watermarking approach using Tchebichef transform with secured PCA and CAT encryption

> Research article (Soft Computing, 2019) · cited 26× · AI/ML

**Wikidata**: [openalex:W2921184904](https://www.wikidata.org/wiki/openalex:W2921184904)  
**Source**: https://4ort.xyz/entity/highly-robust-hybrid-image-watermarking-approach-using-tchebichef-transform-with-secured-pca-and-cat-encryption