# Rate-distortion model for grayscale-invariance reversible data hiding

> Research article (Signal Processing, 2020) · cited 20× · AI/ML

**Wikidata**: [openalex:W3009696269](https://www.wikidata.org/wiki/openalex:W3009696269)  
**Source**: https://4ort.xyz/entity/rate-distortion-model-for-grayscale-invariance-reversible-data-hiding