# Multi-dimensional constraints-based PPVO for high fidelity reversible data hiding

> Research article (Expert Systems with Applications, 2022) · cited 15× · AI/ML

**Wikidata**: [openalex:W4308194723](https://www.wikidata.org/wiki/openalex:W4308194723)  
**Source**: https://4ort.xyz/entity/multi-dimensional-constraints-based-ppvo-for-high-fidelity-reversible-data-hiding