# Global context guided hierarchically residual feature refinement network for defocus blur detection

> Research article (Signal Processing, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3124083408](https://www.wikidata.org/wiki/openalex:W3124083408)  
**Source**: https://4ort.xyz/entity/global-context-guided-hierarchically-residual-feature-refinement-network-for-defocus-blur-detection