# Principal Component Analysis in Projection and Image Domains—Another Form of Spectral Imaging in Photon-Counting CT

> Research article (IEEE Transactions on Biomedical Engineering, 2020) · cited 18× · AI/ML

**Wikidata**: [openalex:W3046236829](https://www.wikidata.org/wiki/openalex:W3046236829)  
**Source**: https://4ort.xyz/entity/principal-component-analysis-in-projection-and-image-domainsanother-form-of-spectral-imaging-in-photon-counting-ct