Heart Rate Synchronization with Spatial Frequency of Visual Stimuli
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Recently, life-logging technology has been adapted to user-supplied data that can be collected from various aspects of daily life. Using this technology, images captured by the camera of a smart device should be continuously processed in order to extract meaningful data applicable to human life and emotion. In this paper, to verify a correlation between emotion synchronization and spatial frequency, images with different spatial frequencies were submitted as visual stimuli to subjects, and heart rate was measured. The results confirmed that heart rate was synchronized with delay in increment and decrement for the spatial frequency of a presented image sequence.
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