[slicer-users] dti noise

Support
,
1

from gabriele pasqua on slicer-users

Hi,
I have computed the DTI images starting from the DWI image, but it seems to be too noisy. What can I do to improve the image quality?

I attached both the DWI image and the DTI computed.

thanks in advance
Gabriel

DWI

image
image1093×998 79 KB

[details=DTI]

image
image1093×998 104 KB
[/details]

2

Hi Gabriele,
This is very dependent on your scanner and protocol details. You may need to contact a local MR expert to investigate. As a first pass, you could manually inspect each of the gradient directions in the Volumes module to see if there is any consistent pattern of signal dropout or speckle (which could be caused by RF interference, for example).