# Data Hiding Based on a Two-Layer Turtle Shell Matrix

> Research article (Symmetry, 2018) · cited 28× · AI/ML

**Wikidata**: [openalex:W2793514183](https://www.wikidata.org/wiki/openalex:W2793514183)  
**Source**: https://4ort.xyz/entity/data-hiding-based-on-a-two-layer-turtle-shell-matrix