# A Semiblind PCA-based Foreground Subtraction Method for 21 cm Intensity Mapping

> Research article (The Astrophysical Journal, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4323319357](https://www.wikidata.org/wiki/openalex:W4323319357)  
**Source**: https://4ort.xyz/entity/a-semiblind-pca-based-foreground-subtraction-method-for-21-cm-intensity-mapping