Call center stress recognition with person-specific models
ACII'11 Proceedings of the 4th international conference on Affective computing and intelligent interaction - Volume Part I
Monitor and understand pilgrims: data collection using smartphones and wearable devices
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
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Each year, millions of Muslims visit the holy sites in Makkah and Madinah. The so-called Hajj pilgrimage is one of the biggest annual events in the world. The individual impact on participating pilgrims is significant, with many of the pilgrims reporting it as a life-changing event. However, quite a little is done to objectively monitor the pilgrims and to understand, from the individual point of view, the characteristics of each of the pilgrimage stages. In this work, through observing differences in bio-physiological responses of the subjects during prayers, we are able to differentiate, in the first case, between congregational prayers and individual prayers, and, in the second case, between silent prayers and loud prayers. We collected data from 10 participants in an 8-day pilgrimage using two wearable sensors, namely chest belts and wrist-worn devices. We derive features from ECG, respiration and GSR data, and use the ANOVA model to analyze feature groups. Based on that, we build classifiers to differentiate between types of prayers. The SVM classifier shows the best performance with a mean accuracy rate of 78 % for the first case, and 84 % for the second case.