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This was done a long time ago to conserve space/memory. There is a
rescaling that is done, so it should not affect the bias correction much
On 6/14/2023 3:35 PM, Ruifeng Dong wrote:
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Hi Yujing,
Thanks. I am wondering about the reason why Freesurfer converts data
types to uchar. Doesn't this affect the non-uniformity bias correction
that follows?
Best,
Ruifeng
On Tue, Jun 13, 2023 at 9:37 AM Huang, Yujing
<yhuan...@mgh.harvard.edu> wrote:
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Hi Ruifeng,
You can pass -nc (nochange) flag to mri_convert to keep the
original data type.
Best,
Yujing
*From:*freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> *On Behalf Of
*ruifen...@gmail.com
*Sent:* Thursday, May 25, 2023 2:45 PM
*To:* freesurfer@nmr.mgh.harvard.edu
*Subject:* [Freesurfer] Question about mri_convert --conform
* External Email - Use Caution *
Hi all,
My input 001.mgz has data type short, but converted to unsigned
byte. The plot shows the intensity of thee two images. How is the
data conversion done? Thanks.
Best,
Ruifeng
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