# Forgery Detection in Hyperspectral Document Images using Graph Orthogonal Nonnegative Matrix Factorization

> Research article (2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3036922662](https://www.wikidata.org/wiki/openalex:W3036922662)  
**Source**: https://4ort.xyz/entity/forgery-detection-in-hyperspectral-document-images-using-graph-orthogonal-nonnegative-matrix-factorization