Various methods for detecting the fiducial points of the distal arterial pulse signal are discussed. A new threshold detector of the fiducial points based on the application of the first derivative operator and a set of nonlinear transformations is described. The efficiency of various detectors of the fiducial points of the distal arterial pulse signal in the presence of interferences of various origins and intensities was estimated. It is demonstrated that the suggested threshold detector allows the level of uncertainty in the determination of the time position of the fiducial points of the distal arterial pulse signal to be minimized.
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Translated from Meditsinskaya Tekhnika, Vol. 46, No. 6, Nov.-Dec., 2012, pp. 22-27.
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Fedotov, A.A. Amplitude–Time Method for Detecting Characteristic Pulse Wave Points. Biomed Eng 46, 241–245 (2013). https://doi.org/10.1007/s10527-013-9315-z
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DOI: https://doi.org/10.1007/s10527-013-9315-z