An adaptive speckle suppression filter based on Nakagami distribution

  title={An adaptive speckle suppression filter based on Nakagami distribution},
  author={Sedigheh Ghofrani and Mohammad Reza Jahed-Motlagh and A. Ayatollahi},
  journal={EUROCON'2001. International Conference on Trends in Communications. Technical Program, Proceedings (Cat. No.01EX439)},
  pages={84-87 vol.1}
Using a good statistical model of speckle formation is important in designing an adaptive filter for speckle reduction in ultrasound B-scan images. Most clinical ultrasound imaging systems use a nonlinear logarithmic function to reduce the dynamic range of the the input echo signal and emphasize objects with weak backscatter. Previously, the statistic of log-compressed images had been derived for Rayleigh and K distributions. In this paper, the statistics of log-compressed echo images is… CONTINUE READING
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