# Spontaneous subtle expression detection and recognition based on facial strain

> Research article (Signal Processing Image Communication, 2016) · cited 65× · AI/ML

**Wikidata**: [openalex:W2408795146](https://www.wikidata.org/wiki/openalex:W2408795146)  
**Source**: https://4ort.xyz/entity/spontaneous-subtle-expression-detection-and-recognition-based-on-facial-strain