# Filter-in-Filter: Low Cost CNN Improvement by Sub-filter Parameter Sharing

> Research article (Pattern Recognition, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2913251308](https://www.wikidata.org/wiki/openalex:W2913251308)  
**Source**: https://4ort.xyz/entity/filter-in-filter-low-cost-cnn-improvement-by-sub-filter-parameter-sharing