# A weighted feature extraction method based on temporal accumulation of optical flow for micro-expression recognition

> Research article (Signal Processing Image Communication, 2019) · cited 22× · AI/ML

**Wikidata**: [openalex:W2957242950](https://www.wikidata.org/wiki/openalex:W2957242950)  
**Source**: https://4ort.xyz/entity/a-weighted-feature-extraction-method-based-on-temporal-accumulation-of-optical-flow-for-micro-expression-recognition