# A Spatial Image Steganography Method Based on Nonnegative Matrix Factorization

> Research article (IEEE Signal Processing Letters, 2018) · cited 22× · AI/ML

**Wikidata**: [openalex:W2884949766](https://www.wikidata.org/wiki/openalex:W2884949766)  
**Source**: https://4ort.xyz/entity/a-spatial-image-steganography-method-based-on-nonnegative-matrix-factorization