A Synchronous Detection Algorithm for Quasi-Periodic Signal Components and Its Application in Photoplethysmographic Imaging
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DOI: 10.1109/tim.2022.3214492
Abstract: photoplethysmographic imaging (PPI) is a noninvasive method for assessing local blood flow beneath the skin surface by a video camera. The synchronization detection algorithm based on lock-in amplification (LIA) is a widely used method to… read more here.
Keywords: time; harmonic components; photoplethysmographic imaging; detection algorithm ... See more keywords