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Journal of Medical Imaging • new

Spatiotemporal registration of multiple three-dimensional echocardiographic recordings for enhanced field of view imaging
Author(s): Adriyana Danudibroto; Jørn Bersvendsen; Olivier Gérard; Oana Mirea; Jan D’hooge; Eigil Samset
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Paper Abstract

The use of three-dimensional (3-D) echocardiography is limited by signal dropouts and narrow field of view. Data compounding is proposed as a solution to overcome these limitations by combining multiple 3-D recordings to form a wide field of view. The first step of the solution requires registration between the recordings both in the spatial and temporal dimension for dynamic organs such as the heart. Accurate registration between the individual echo recordings is crucial for the quality of compounded volumes. A temporal registration method based on a piecewise one-dimensional cubic B-spline in combination with multiscale iterative Farnebäck optic flow method for spatial registration was described. The temporal registration method was validated on <italic<in vivo</italic< data sets with annotated timing of mitral valve opening. The spatial registration method was validated using <italic<in vivo</italic< data and compared to registration with Procrustes analysis using manual contouring as a benchmark. The spatial accuracy was assessed in terms of mean of absolute distance and Hausdorff distance between the left ventricular contours. The results showed that the temporal registration accuracy is in the range of half the time resolution of the echo recordings and the achieved spatial accuracy of the proposed method is comparable to manual registration.

Paper Details

Date Published: 8 July 2016
PDF: 10 pages
J. Med. Img. 3(3) 037001 doi: 10.1117/1.JMI.3.3.037001
Published in: Journal of Medical Imaging Volume 3, Issue 3
Show Author Affiliations
Adriyana Danudibroto, KU Leuven (Belgium)
GE Vingmed Ultrasound (Norway)
Jørn Bersvendsen, GE Healthcare Bio-Sciences (Norway)
Univ. of Oslo (Norway)
Olivier Gérard, GE Vingmed Ultrasound (Norway)
Oana Mirea, KU Leuven (Belgium)
Jan D’hooge, KU Leuven (Belgium)
Eigil Samset, KU Leuven (Belgium)

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