Thanks a lot
Regards
Juergen
On 10.10.2008 16:43 Uhr, "Steve Smith" <[log in to unmask]> wrote:
> On 10 Oct 2008, at 15:36, Juergen Haenggi wrote:
>
>> Hi Steve
>>
>> When I load the A_halfwayto_B_render.nii image with FSLview the min.
>> value
>> is -1.145 and the max. value is 4.335. When I load the -flow image
>> the min.
>> value is -0.0049766 and the max. value is 0.0019986.
>> Do this values represent PBVC per voxel?
>
> The flow values are the edge shift in mm.
>
> The render image values are mostly meaningless as it is a compose
> colour rendered image.
>
> You can overlay the _flow image onto any image in halfway space - if
> you don't find the images you need then rerun siena with the 'debug'
> flag.
>
> Cheers
>
>
>
>>
>> Why do the two values differ?
>> On which image I have to overlay the _flow image?
>>
>> Thanks in advance
>> Best regards
>> Juergen
>>
>>
>> On 8.10.2008 10:18 Uhr, "Steve Smith" <[log in to unmask]> wrote:
>>
>>> Hi, if you see the _flow images that SIENA outputs you can regenerate
>>> any positive or negative thresholding that you need.
>>> Cheers.
>>>
>>>
>>> On 7 Oct 2008, at 15:12, Juergen Haenggi wrote:
>>>
>>>> Dear FSL experts
>>>>
>>>> I have run SIENA and would like to show regions of atrophy only. How
>>>> can I
>>>> suppress the regions of "growth" in the A_halfwayto_B_render.nii
>>>> image?
>>>>
>>>> Thakns a lot
>>>> Best regards
>>>> Juergen
>>>>
>>>> -----------------------------------------------------------
>>>> Juergen Haenggi
>>>> Ph.D. (Dr. des.)
>>>> Division of Neuropsychology
>>>> Institute of Psychology
>>>> University of Zurich
>>>> Binzmuehlestrasse 14, PO Box 25
>>>> 8050 Zurich, Switzerland
>>>> 0041 44 635 73 97 (phone office)
>>>> 0041 76 445 86 84 (phone mobile)
>>>> 0041 44 635 74 09 (fax office)
>>>> BIN 4.D.04 (office room number)
>>>> [log in to unmask] (email)
>>>> http://www.psychologie.uzh.ch/neuropsy/ (website)
>>>> http://www.juergenhaenggi.ch (private website)
>>>> -----------------------------------------------------------
>>>>
>>>
>>>
>>> ---------------------------------------------------------------------------
>>> Stephen M. Smith, Professor of Biomedical Engineering
>>> Associate Director, Oxford University FMRIB Centre
>>>
>>> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
>>> +44 (0) 1865 222726 (fax 222717)
>>> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve
>>> ---------------------------------------------------------------------------
>>
>>
>> -----------------------------------------------------------
>> Juergen Haenggi
>> Ph.D. (Dr. des.)
>> Division of Neuropsychology
>> Institute of Psychology
>> University of Zurich
>> Binzmuehlestrasse 14, PO Box 25
>> 8050 Zurich, Switzerland
>> 0041 44 635 73 97 (phone office)
>> 0041 76 445 86 84 (phone mobile)
>> 0041 44 635 74 09 (fax office)
>> BIN 4.D.04 (office room number)
>> [log in to unmask] (email)
>> http://www.psychologie.uzh.ch/neuropsy/ (website)
>> http://www.juergenhaenggi.ch (private website)
>> -----------------------------------------------------------
>>
>
>
> ---------------------------------------------------------------------------
> Stephen M. Smith, Professor of Biomedical Engineering
> Associate Director, Oxford University FMRIB Centre
>
> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
> +44 (0) 1865 222726 (fax 222717)
> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve
> ---------------------------------------------------------------------------
-----------------------------------------------------------
Juergen Haenggi
Ph.D. (Dr. des.)
Division of Neuropsychology
Institute of Psychology
University of Zurich
Binzmuehlestrasse 14, PO Box 25
8050 Zurich, Switzerland
0041 44 635 73 97 (phone office)
0041 76 445 86 84 (phone mobile)
0041 44 635 74 09 (fax office)
BIN 4.D.04 (office room number)
[log in to unmask] (email)
http://www.psychologie.uzh.ch/neuropsy/ (website)
http://www.juergenhaenggi.ch (private website)
-----------------------------------------------------------
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