# Multi-focus image fusion based on nonsubsampled contourlet transform and residual removal

> Research article (Signal Processing, 2021) · cited 88× · AI/ML

**Wikidata**: [openalex:W3134036581](https://www.wikidata.org/wiki/openalex:W3134036581)  
**Source**: https://4ort.xyz/entity/multi-focus-image-fusion-based-on-nonsubsampled-contourlet-transform-and-residual-removal