# High capacity data hiding based on multi-directional pixel value differencing and decreased difference expansion

> Research article (Multimedia Tools and Applications, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W4200370586](https://www.wikidata.org/wiki/openalex:W4200370586)  
**Source**: https://4ort.xyz/entity/high-capacity-data-hiding-based-on-multi-directional-pixel-value-differencing-and-decreased-difference-expansion