Noise cancellation technique for Dopper ultrasound spectrogram enhancement

Authors

Abstract

Doppler ultrasound automatic detection of clinically relevant blood flow spectral parameters may be a difficult task when the spectrogram is corrupted with different types of noise. This paper introduces a technique to eliminate the spectrogram background noise without damaging the blood flow signals? content. Tests performed on simulated signals with known spectral characteristics demonstrate the effectiveness of the proposed technique.

Keywords

Blood flow signal, Doppler Ultrasound, Noise cancellation

Subject

Biosignal Processin-Blood Flow

Conference

Panamerican Health Care Exanges, March 2011