# Cross-scale feature fusion-based JND estimation for robust image watermarking in quaternion DWT domain

> Research article (Optik, 2022) · cited 28× · AI/ML

**Wikidata**: [openalex:W4310907107](https://www.wikidata.org/wiki/openalex:W4310907107)  
**Source**: https://4ort.xyz/entity/cross-scale-feature-fusion-based-jnd-estimation-for-robust-image-watermarking-in-quaternion-dwt-domain