I was using fnirt and it took many hours (>6) to register two images. Is it a
normal run time or did I do something wrong? The input images have a voxel
dimension of 128x160x128, and I used the default parameter settings. The
images were affine-aligned already, so I didn't do it again. The log file is
attached. How can I improve the efficiency besides cropping the input images
to a smaller size and specifying a subsampling of 2 at the lowest level? Thanks!
xiujuan
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