# MDJ: A multi-scale difference joint keyframe extraction algorithm for infrared surveillance video action recognition

> Research article (Digital Signal Processing, 2024) · cited 16× · AI/ML

**Wikidata**: [openalex:W4392869388](https://www.wikidata.org/wiki/openalex:W4392869388)  
**Source**: https://4ort.xyz/entity/mdj-a-multi-scale-difference-joint-keyframe-extraction-algorithm-for-infrared-surveillance-video-action-recognition