Biomedical Imaging Group
EPFL   Michael Sühling
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Multiscale Motion Mapping

«Triple-M Imaging» is a novel method for measuring heart motion in echocardiograms independent from borders, Doppler and angles. From a single, conventional grayscale dataset, Multiscale Motion Mapping is able to quantify

  • velocity magnitudes,
  • 2D velocity directions,
  • 2D strain rates, and
  • principal axes of strain rate.
The algorithm is feasible off- and online in digital echocardiograms of a broad spectrum of echo machines and is relatively robust to noise. It complements and expands current methods of echo quantification, namely tissue Doppler, border detection, and subjective visual analysis.
The algorithm’s capabilities are demonstrated on a few illustrative examples; results are shown for in vitro and in vivo data.