# A q-Extension of Sigmoid Functions and the Application for Enhancement of Ultrasound Images

> Research article (Entropy, 2019) · cited 15× · AI/ML

**Wikidata**: [openalex:W2942108090](https://www.wikidata.org/wiki/openalex:W2942108090)  
**Source**: https://4ort.xyz/entity/a-q-extension-of-sigmoid-functions-and-the-application-for-enhancement-of-ultrasound-images