Abstract
Through recent development of MR techniques, it is now possible to assessregional myocardial wall function in a non-invasive way. Using MR tagging,space is marked with planes which deform with the tissue, providing markersfor tracking the local motion of the myocardium. Numerous methods toreconstruct the three-dimensional displacement field have been developed. Theaim of this article is to provide a framework to quantitatively compare theperformance of four methods the authors have developed. Five sets ofexperiments are described, and their results are reported. Instructions arealso provided to perform similar tests on any method using the same data.The experiments show that some characteristic properties of the methods, suchas sensitivity to noise or spatial resolution, can be quantitativelyclassified. Cross-comparison of performances show what range values for theseproperties can be considered acceptable.
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