In-vivo validation of fast spectral velocity estimation techniques - preliminary results

  title={In-vivo validation of fast spectral velocity estimation techniques - preliminary results},
  author={Kellsey A. Hansen and Fredrik Gran and M. M. Pedersen and I. K. Holfort and J. A. Jensen and M. B. Nielsen},
  journal={2008 IEEE Ultrasonics Symposium},
Spectral Doppler is a common way to estimate blood velocities in medical ultrasound (US). The standard way of estimating spectrograms is by using Welch's method (WM). WM is dependent on a long observation window (OW) (about 100 transmissions) to produce spectrograms with sufficient spectral resolution and contrast. Two adaptive filterbank methods have been suggested to circumvent this problem: the Blood spectral Power Capon method (BPC) and the Blood Amplitude and Phase Estimation method (BAPES… CONTINUE READING
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