# Sobel operator enhancement based on eight-directional convolution and entropy

> Research article (International Journal of Information Technology, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3191340393](https://www.wikidata.org/wiki/openalex:W3191340393)  
**Source**: https://4ort.xyz/entity/sobel-operator-enhancement-based-on-eight-directional-convolution-and-entropy