# A new DCT-based robust image watermarking method using teaching-learning-Based optimization

> Research article (Journal of Information Security and Applications, 2019) · cited 105× · AI/ML

**Wikidata**: [openalex:W2936564760](https://www.wikidata.org/wiki/openalex:W2936564760)  
**Source**: https://4ort.xyz/entity/a-new-dct-based-robust-image-watermarking-method-using-teaching-learning-based-optimization