# A Spectral and Spatial Approach of Coarse-to-Fine Blurred Image Region Detection

> Research article (IEEE Signal Processing Letters, 2016) · cited 94× · AI/ML

**Wikidata**: [openalex:W2523565258](https://www.wikidata.org/wiki/openalex:W2523565258)  
**Source**: https://4ort.xyz/entity/a-spectral-and-spatial-approach-of-coarse-to-fine-blurred-image-region-detection