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Dear Derek,

> Hello --
> 
> I am using the --interp=nn option in applywarp.  My input mask is a value of 1, and my output is also a value of 1; however, I know that there should be some blurring in this mask. Is the output image thresholded? What is the threshold value? 

I am not sure I understand what you mean by “blurring”. With nearest neighbour you will get either one or zero (provided your input is all one or zero) in your output voxels, depending on what value it was “nearest”. No other values than one or zero are possible.

Jesper


> 
> Thanks,
> Derek Archer