No-touch pulse measurement by laser triangulation

Jih-Huah Wu; Rong-Seng Chang

doi:10.1117/12.589759

25 April 2005 No-touch pulse measurement by laser triangulation

Jih-Huah Wu, Rong-Seng Chang

Proceedings Volume 5686, Photonic Therapeutics and Diagnostics; (2005) https://doi.org/10.1117/12.589759
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

This paper presents a non-invasive, non-contact measurement of pulse waveforms by applying optical triangulation technology on skin surface vibration. The arterial pulsation information can be obtained with this measurement system. An algorithm to evaluate the pulsing activities from center of laser spot intensity on a certain wrist point has been conducted by fast Fourier Transform (FFT). The amplitude and frequency of skin vibration can be known by this measurement system. The advantages of this optical triangulation method are non-contact, low cost, remote sensing, and it can be combined with image processing system.

Citation Download Citation

Jih-Huah Wu and Rong-Seng Chang "No-touch pulse measurement by laser triangulation", Proc. SPIE 5686, Photonic Therapeutics and Diagnostics, (25 April 2005); https://doi.org/10.1117/12.589759

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