[Mrtrix-discussion] question about track-density image
René Besseling
r.m.h.besseling at gmail.com
Wed May 30 00:24:16 PDT 2012
Easier still: try the -fraction option of the tracks2prob command.
R
On Wed, May 30, 2012 at 9:19 AM, René Besseling
<r.m.h.besseling at gmail.com>wrote:
> Hi Lynn,
>
> You could use normalise_tracks to normalise your tractogram to a template
> prior to calculating the track-density image. Kerstin Pannek used this
> approach in her 2011 Neuroimage paper on average pathlength mapping ("The
> average pathlength map: a diffusion MRI tractography-derived index for
> studying brain pathology.")
>
> Best regards,
>
> René
> On Tue, May 29, 2012 at 3:51 PM, 李佩霖 <lynnlee0226 at gmail.com> wrote:
>
>> Hello,
>>
>> I have used MRtrix to produce track-density image for disease's study.
>> There is a problem if my subject has smaller brain, the tracking-density
>> is increased due to the same track numbers used instead of due to
>> pathological changes.
>> Would you please give me the instruction how to solve the problem?
>> Thank you for your help.
>>
>> Best regards,
>> Lynn
>>
>>
>>
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>>
>>
>
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