# Defocus blur detection via edge pixel DCT feature of local patches

> Research article (Signal Processing, 2020) · cited 11× · AI/ML

**Wikidata**: [openalex:W3031199258](https://www.wikidata.org/wiki/openalex:W3031199258)  
**Source**: https://4ort.xyz/entity/defocus-blur-detection-via-edge-pixel-dct-feature-of-local-patches