# Key frame extraction based on quaternion Fourier transform with multiple features fusion

> Research article (Expert Systems with Applications, 2022) · cited 17× · AI/ML

**Wikidata**: [openalex:W4312208410](https://www.wikidata.org/wiki/openalex:W4312208410)  
**Source**: https://4ort.xyz/entity/key-frame-extraction-based-on-quaternion-fourier-transform-with-multiple-features-fusion