Hershkovitz & Associates, PLLC
Method for detecting a heart rate
A method for detecting a heart rate is disclosed and includes: providing a photodetector module, a motion detector and a Fast Fourier Transform (FFT) module; acquiring a first heart rate using the photodetector module and the FFT module; sampling at different time intervals and generating a frame using the motion detector and the FFT module, wherein the frame has a first plurality of peaks and a first plurality of indexes corresponding to the first plurality of peaks, and a plurality of sport intervals are defined by the first plurality of indexes; and acquiring a present heart rate by applying an interval tracking algorithm to the first heart rate and the plurality of sport intervals generated from the sampling at different time intervals.
WELTREND SEMICONDUCTOR, INC.
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Chi-Chung Ke-Ning Shih-Tsung
Ho Pan Kuo