Texture mapping by isometric spherical embedding for the visualization and assessment of regional myocardial function

Authors:
Yechiel Lamash;Anath Fischer;Jonathan Lessick
Affiliations:
Technion--Israel Institute of Technology, Haifa, Israel;Technion--Israel Institute of Technology, Haifa, Israel;Rambam - Health Care Campus, Haifa, Israel
Venue:
FIMH'13 Proceedings of the 7th international conference on Functional Imaging and Modeling of the Heart
Year:
2013

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Abstract

In the current study we show how texture mapping to the surface of the heart's left ventricle(LV) can be used to demonstrate the ventricle's complex kinematics and highlight impaired regions. The method uses isometric spherical embedding to map a uniform and oriented texture into a reference phase of the LV's mesh. The texture, attached to the deformed mesh, deforms with it and allows the visualization of rotation, strain and torsion in the circumferential and longitudinal coordinates. Such visualization demonstrates the absolute and relative values of these kinematic parameters and aids in the assessment of regional myocardial function.