# Facial Expression Recognition Based on Sobel Operator and Improved CNN-SVM

> Research article (2020 IEEE 3rd International Conference on Information Communication and Signal Processing (ICICSP), 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3094190573](https://www.wikidata.org/wiki/openalex:W3094190573)  
**Source**: https://4ort.xyz/entity/facial-expression-recognition-based-on-sobel-operator-and-improved-cnn-svm