Ghost imaging-based Non-contact Heart Rate Detection
arxiv(2024)
Abstract
Remote heart rate measurement is an increasingly concerned research field,
usually using remote photoplethysmography (rPPG) to collect heart rate
information through video data collection. However, in certain specific
scenarios (such as low light conditions, intense lighting, and
non-line-of-sight situations), traditional imaging methods fail to capture
image information effectively, that may lead to difficulty or inability in
measuring heart rate. To address these limitations, this study proposes using
ghost imaging as a substitute for traditional imaging in the aforementioned
scenarios. The mean absolute error between experimental measurements and
reference true values is 4.24 bpm.Additionally, the bucket signals obtained by
the ghost imaging system can be directly processed using digital signal
processing techniques, thereby enhancing personal privacy protection.
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