# Normalized blind STDM watermarking scheme for images and PDF documents robust against fixed gain attack

> Research article (Multimedia Tools and Applications, 2019) · cited 10× · AI/ML

**Wikidata**: [openalex:W2987410355](https://www.wikidata.org/wiki/openalex:W2987410355)  
**Source**: https://4ort.xyz/entity/normalized-blind-stdm-watermarking-scheme-for-images-and-pdf-documents-robust-against-fixed-gain-attack