# Real-Time External Respiratory Motion Measuring Technique Using an RGB-D Camera and Principal Component Analysis

> Research article (Sensors, 2017) · cited 50× · AI/ML

**Wikidata**: [openalex:W2742300594](https://www.wikidata.org/wiki/openalex:W2742300594)  
**Source**: https://4ort.xyz/entity/real-time-external-respiratory-motion-measuring-technique-using-an-rgb-d-camera-and-principal-component-analysis