# New Hybrid PCA-Based Facial Age Estimation Using Inter-Age Group Variation-Based Hierarchical Classifier

> Research article (Arabian Journal for Science and Engineering, 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2595730420](https://www.wikidata.org/wiki/openalex:W2595730420)  
**Source**: https://4ort.xyz/entity/new-hybrid-pca-based-facial-age-estimation-using-inter-age-group-variation-based-hierarchical-classifier