# Reversible Data Hiding in Encrypted Images Using Median Edge Detector and Two’s Complement

> Research article (Symmetry, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3165485108](https://www.wikidata.org/wiki/openalex:W3165485108)  
**Source**: https://4ort.xyz/entity/reversible-data-hiding-in-encrypted-images-using-median-edge-detector-and-twos-complement