# A Low‐Dimensional Function Space for Efficient Spectral Upsampling

> Research article (Computer Graphics Forum, 2019) · cited 28× · AI/ML

**Wikidata**: [openalex:W2959164675](https://www.wikidata.org/wiki/openalex:W2959164675)  
**Source**: https://4ort.xyz/entity/a-lowdimensional-function-space-for-efficient-spectral-upsampling