# Facial Action Unit Detection Using Active Learning and an Efficient Non-linear Kernel Approximation

> Research article (2015 IEEE International Conference on Computer Vision Workshop (ICCVW), 2015) · cited 59× · AI/ML

**Wikidata**: [openalex:W2247411543](https://www.wikidata.org/wiki/openalex:W2247411543)  
**Source**: https://4ort.xyz/entity/facial-action-unit-detection-using-active-learning-and-an-efficient-non-linear-kernel-approximation