# Reversible data hiding for JPEG images based on pairwise nonzero AC coefficient expansion

> Research article (Signal Processing, 2020) · cited 55× · AI/ML

**Wikidata**: [openalex:W2998870215](https://www.wikidata.org/wiki/openalex:W2998870215)  
**Source**: https://4ort.xyz/entity/reversible-data-hiding-for-jpeg-images-based-on-pairwise-nonzero-ac-coefficient-expansion