S Langeland

Summary

Affiliation: Katholieke Universiteit Leuven
Country: Belgium

Publications

  1. ncbi Comparison of time-domain displacement estimators for two-dimensional RF tracking
    S Langeland
    Department of Cardiology, Katholieke Universiteit Leuven, Belgium
    Ultrasound Med Biol 29:1177-86. 2003
  2. ncbi RF-based two-dimensional cardiac strain estimation: a validation study in a tissue-mimicking phantom
    Stian Langeland
    Catholic University of Leuven, Leuven, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 51:1537-46. 2004
  3. ncbi Experimental validation of a new ultrasound method for the simultaneous assessment of radial and longitudinal myocardial deformation independent of insonation angle
    Stian Langeland
    Cardiac Imaging Research, Department of Cardiology, Catholic University Leuven, Herestraat 49, B 3000 Leuven, Belgium
    Circulation 112:2157-62. 2005
  4. ncbi Experimental assessment of a new research tool for the estimation of two-dimensional myocardial strain
    Stian Langeland
    Cardiac Imaging Research, Dept of Cardiology, Catholic University Leuven, Leuven, Belgium
    Ultrasound Med Biol 32:1509-13. 2006

Detail Information

Publications4

  1. ncbi Comparison of time-domain displacement estimators for two-dimensional RF tracking
    S Langeland
    Department of Cardiology, Katholieke Universiteit Leuven, Belgium
    Ultrasound Med Biol 29:1177-86. 2003
    ..For smaller window lengths, sum of squared differences was found to be the preferred estimator for 2-D velocity estimation using a 1-D kernel...
  2. ncbi RF-based two-dimensional cardiac strain estimation: a validation study in a tissue-mimicking phantom
    Stian Langeland
    Catholic University of Leuven, Leuven, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 51:1537-46. 2004
    ..95 and r = 0.84), these results were within acceptable limits for clinical applications. The 2D RF-tracking using a 1D kernel thus allows for 2D, and therefore angle-independent, strain estimation...
  3. ncbi Experimental validation of a new ultrasound method for the simultaneous assessment of radial and longitudinal myocardial deformation independent of insonation angle
    Stian Langeland
    Cardiac Imaging Research, Department of Cardiology, Catholic University Leuven, Herestraat 49, B 3000 Leuven, Belgium
    Circulation 112:2157-62. 2005
    ..To overcome this problem, we have developed a new method for the estimation of strain, independent of angle. The aim of this study was to validate this new methodology in an experimental setting using sonomicrometry...
  4. ncbi Experimental assessment of a new research tool for the estimation of two-dimensional myocardial strain
    Stian Langeland
    Cardiac Imaging Research, Dept of Cardiology, Catholic University Leuven, Leuven, Belgium
    Ultrasound Med Biol 32:1509-13. 2006
    ..Further improvements are needed for the method to be sufficiently accurate in estimating the deformation perpendicular or close to perpendicular to the ultrasound beam...