VASCULAR STENOSIS DETECTION USING TEMPORAL-SPECTRAL DIFFERENCES IN CORRELATED ACOUSTIC MEASUREMENTS

. Author manuscript; available in PMC: 2021 Apr 16.

Published in final edited form as: IEEE Signal Process Med Biol Symp. 2020 Mar 19;2019:10.1109/spmb47826.2019.9037853. doi: 10.1109/spmb47826.2019.9037853

Figure 3. — Time-domain blood sound (A) and CWT spectral domain (B). The analytic signal Auditory Spectral Flux was extracted using CWT coefficients (C) and systolic start/end times were calculated by thresholding (D).

Figure 3.