# Refinement and Universal Approximation via Sparsely Connected ReLU Convolution Nets

> Research article (IEEE Signal Processing Letters, 2020) · cited 34× · AI/ML

**Wikidata**: [openalex:W3037524223](https://www.wikidata.org/wiki/openalex:W3037524223)  
**Source**: https://4ort.xyz/entity/refinement-and-universal-approximation-via-sparsely-connected-relu-convolution-nets