Hi,
I found that some of the voxels in my original a.mgz are negative.
I think that caused some strange behaviors in the float to uchar conversion.
Are there methods in Freesurfer to modify the voxel values ?
Yang
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On Wed, 15 Dec 2010, Yang Liu wrote:
Hello all,
I am converting one .mgz file to another like this:
mri_convert -i a.mgz -o conformed_a.mgz --conform
The data type of a.mgz is float. After the conversion, The conformed_a.mgz
is uchar. However, I found that the places surrounding the brain which have
0 grayscale values in the a.mgz are having grayscale value 108 in the
confored_a.mgz.
This makes the conformed_a.mgz very whitish compared to the original one.
Is there a way to make the float 0 to a uchar 0?
Thanks.
Yang
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