A Vision-Based System for In-Sleep Upper-Body and Head Pose Classification
- PMID: 35271162
- PMCID: PMC8914692
- DOI: 10.3390/s22052014
A Vision-Based System for In-Sleep Upper-Body and Head Pose Classification
Abstract
Sleep quality is known to have a considerable impact on human health. Recent research shows that head and body pose play a vital role in affecting sleep quality. This paper presents a deep multi-task learning network to perform head and upper-body detection and pose classification during sleep. The proposed system has two major advantages: first, it detects and predicts upper-body pose and head pose simultaneously during sleep, and second, it is a contact-free home security camera-based monitoring system that can work on remote subjects, as it uses images captured by a home security camera. In addition, a synopsis of sleep postures is provided for analysis and diagnosis of sleep patterns. Experimental results show that our multi-task model achieves an average of 92.5% accuracy on challenging datasets, yields the best performance compared to the other methods, and obtains 91.7% accuracy on the real-life overnight sleep data. The proposed system can be applied reliably to extensive public sleep data with various covering conditions and is robust to real-life overnight sleep data.
Keywords: deep multi-task learning; head and upper-body detection; head and upper-body pose classification; sleep monitoring; sleep posture.
Conflict of interest statement
The authors declare no conflict of interest.
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