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The 3D DT-MRI data was collected from an intact fixed canine heart using reduced encoding and constrained reconstruction methodology [Hsu and Henriquez 2001] and interpolated via zero filling to $256$x$256$x$256$ voxels, with a voxel side of $\sim 0.4$mm. The data was thresholded and all voxels with the signal strength below the threshold value were zero out. Figure Fig. (1) shows grayscale mapped value of anisotropy measure $c_p$ + $c_l$ for the ``short axes'' and ``long axes'' views of the heart.

Leonid Zhukov 2003-09-10