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Indication of Probe-Axis Angle by Extracting Wall Motion of Heart to Assist in Obtaining Long- and Short-Axis Views on Echocardiography

  • K. Masuda
  • H. Matsuura
  • R. Takahashi
Conference paper
Part of the Acoustical Imaging book series (ACIM, volume 29)

Abstract

We have developed an algorithm to find standard cross sections of the heart from successive echograms. We first divided an echogram into small spatial regions to detect the typical motion of the mitral valve by analyzing the brightness variation and correlation coefficient among the regions. Furthermore, combining this technique with the optical flow method, we elucidated the region velocity of the left ventricle after centering the valve on echogram. By analyzing symmetry among specified regions, we distinguished the short-axis view of heart from the others.

Key words

Mitral valve Long-axis Short-axis Correlation coefficient Optical flow 

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References

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • K. Masuda
    • 1
  • H. Matsuura
    • 1
  • R. Takahashi
    • 1
  1. 1.Graduate School of Bio-Applications and Systems EngineeringTokyo Univ. A & TJapan

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