# HMFCA-Net: Hierarchical multi-frequency based Channel attention net for mobile phone surface defect detection

> Research article (Pattern Recognition Letters, 2021) · cited 26× · AI/ML

**Wikidata**: [openalex:W4200171130](https://www.wikidata.org/wiki/openalex:W4200171130)  
**Source**: https://4ort.xyz/entity/hmfca-net-hierarchical-multi-frequency-based-channel-attention-net-for-mobile-phone-surface-defect-detection