[Mristudio-users] questions about nonlinear normalization with DiffeoMap

[Kotikalapudi Raviteja]

Dear Professor,

I am trying to calculate the volume of a tumor for pre-contrast and post
contrast images. I would like to know which tools could be used to do the
same. I have no experience in calculating tumor volumes.

Thanks!
Regards,
Ravi


On Thu, Aug 1, 2013 at 9:01 AM, susumu mori <smoriw at gmail.com> wrote:

> Before you run LDDMM, you first have to do linear registration using AIR.
> At this point, if you use one of our atlases, your images are
> automatically resampled to 171x217x171 / 1x1x1mm matrix.
> This step is not absolutely necessary, depending on how you want to do the
> normalization, but LDDMM does require your images to have isotropic
> resolution.
>
>
> On Tue, Jul 30, 2013 at 10:39 AM, <wyzyf at mail.ustc.edu.cn> wrote:
>
>>
>>
>>
>>    Hello professor,
>>
>>      When I was doing nonlinear normalization (FA+b0 dual contrast
>> LDDMM), two groups of data, byte-FA and byte-b0 of  thetemplate as well as
>> intensitycorrection-updated-byte-FA and updated-byte-b0 of one subject were
>> filled in the mutliplechannel windows. But the system warned that "the
>> subject images should be isotropic images". Would you please tell me what
>> dose it mean and what was wrong with my work.
>>
>>      Thank you very much and best wishes!
>>                                            Ying Wang
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>
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