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In this study, correlation of heart rate variability (HRV) results in different postures between ECG-based and PPG-based cardiac measurement devices is explored. Electrocardiogram (ECG) is one of the best indicators for the assessment of physical health and heart function, while photoplethysmography (PPG) uses light sensor to detect the change of blood volume in the vessel, and is thus less susceptible...
The recent development of information and communication technology enriches the life of people. Especailly today's students use these technology tools in their life for their leisure and enjoyment. Their knowledge and skill of these technology tools maybe a unique resource for facilitating their learning, a technology-mediated-learning. This study takes a preliminary step to have a project, in which...
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