# An Immune Secret QR-Code Sharing based on a Twofold Zero-Watermarking Scheme

> Research article (International Journal of Multimedia and Ubiquitous Engineering, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2922272550](https://www.wikidata.org/wiki/openalex:W2922272550)  
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