Abstract
This study investigates the potential of using multispectral imaging for detecting physical stress on human beings. Participants were recruited to obtain multispectral images, and a proposed facial muscle activity detection algorithm was established without background information. The algorithm model is verified with respect to physical stress ground truth in order to classify the baseline and physical stress status. The algorithm achieved better results in the experiment with an accuracy rate of 75%, which will provide a foundation for future industrialization. Experimental results demonstrated that multispectral imaging, as a non-invasive method, has the potential to identify physical stress on humans.
© 2018 Optical Society of America
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