Hi Tim,
Thanks for your reply. But where in fslview I need to change the display
range to 0 to 1?
Also is there is a utility within fsl (or outside) to create a binary mask
for ROI ? I need to do this to run the prob-tractography with seed maks
and other options.
TIA
From
Anusha
> Hi -
>
> The problem is in fslview. When you load in the DTI image, the display
> range will be around -1 to 1. You need to change this to be 0 to 1. Then
> the colours should look sharp.
>
> This problem is fixed for the next release.
>
> Thanks
>
> T
>
> -------------------------------------------------------------------------------
> Tim Behrens
> Centre for Functional MRI of the Brain
> The John Radcliffe Hospital
> Headley Way Oxford OX3 9DU
> Oxford University
> Work 01865 222782
> Mobile 07980 884537
> -------------------------------------------------------------------------------
>
> On Fri, 19 Nov 2004, Anusha Sritharan wrote:
>
>> I am very new to fsl. At the moment I am learning to use the fdt tool
>> box
>> to analyse some dti data. As a first step I have created the normalised
>> bvecs
>>
>> 0.00 -0.66159 0.35592 .........
>> 0.00 0.46084 0.76144 .........
>> 0.00 -0.5915 -0.54178 ..........
>>
>> and the corresponding bvals
>>
>> bvals 0 1200 1200 .............
>>
>> I have more than one b0 for which bvecs and bvals have appropriate
>> values.
>> when I run dtifit and view V1/V2 images using fslview, the RGB mode does
>> not work very well. I expect to get sharp colours such as R, G and B,
>> instead I get very soft light shades.
>>
>> I did check the archives and did find a email with the same problem. But
>> I
>> have the normalised vectors and donot know where I am going wrong. Can
>> anybody help
>>
>> TIA
>>
>> From
>> Anusha
>>
>
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