# A secure gray-scale image watermarking technique in fractional DCT domain using zig-zag scrambling

> Research article (Journal of Information Security and Applications, 2022) · cited 20× · AI/ML

**Wikidata**: [openalex:W4294382913](https://www.wikidata.org/wiki/openalex:W4294382913)  
**Source**: https://4ort.xyz/entity/a-secure-gray-scale-image-watermarking-technique-in-fractional-dct-domain-using-zig-zag-scrambling