Virtual MR tagging on three-dimensional deformable models

Heejeong Kim; Jinah Park

doi:10.1117/12.428049

28 May 2001 Virtual MR tagging on three-dimensional deformable models

Heejeong Kim, Jinah Park

Author Affiliations +

Proceedings Volume 4319, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures; (2001) https://doi.org/10.1117/12.428049
Event: Medical Imaging 2001, 2001, San Diego, CA, United States

Abstract

Magnetic Resonance (MR) tagging techniques have recently received much attention for the generation of suitable data sets for cardiac motion analysis. Several different techniques have been developed for the analysis of 3D cardiac wall motion from such data sets. Unfortunately, due to the lack of gold standard test data sets, most of the techniques are not fully evaluated. We have developed a virtual MR tagging system for evaluation of such 3D motion estimation techniques. It generates virtual tagging images, in particular SPAMM images, of the deformable model that undergoes a predetermined motion sequence in a virtual environment. The input to the system is a set of vertices that characterizes the shape of the volumetric model at each time phase. After the user interactively specifies the imaging and tagging parameters, the system automatically marks the intersections between the image and tagging planes within the model tissue to track its motion, computing the deformed tagging lines over the time sequence. The output is the set of tomographic images of the virtual object with SPAMM grid patterns reflecting the known 3D formation field, and it can be used to evaluate an arbitrary cardiac motion estimation technique.

Citation Download Citation

Heejeong Kim and Jinah Park "Virtual MR tagging on three-dimensional deformable models", Proc. SPIE 4319, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures, (28 May 2001); https://doi.org/10.1117/12.428049

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