# Edge detection of potential field sources using the softsign function

> Research article (Geocarto International, 2021) · cited 68× · AI/ML

**Wikidata**: [openalex:W3127100665](https://www.wikidata.org/wiki/openalex:W3127100665)  
**Source**: https://4ort.xyz/entity/edge-detection-of-potential-field-sources-using-the-softsign-function