# Quantum image edge extraction based on classical Sobel operator for NEQR

> Research article (Quantum Information Processing, 2018) · cited 55× · AI/ML

**Wikidata**: [openalex:W2903047531](https://www.wikidata.org/wiki/openalex:W2903047531)  
**Source**: https://4ort.xyz/entity/quantum-image-edge-extraction-based-on-classical-sobel-operator-for-neqr