[Insight-users] File format for ICP

[Luis Ibanez]

Hi Josu,

If you already have segmented the spinal canal,
then you could use the filter

http://public.kitware.com/Insight/Doxygen/html/classitk_1_1BinaryMask3DMeshSource.html

to extract the surface around each one  of the segmented structures,
and then you could use the output of each filter as inputs to the
ICP examples in

    Insight/Examples/Patented/

PS. Please note that the ICP patent has already expired.

Since the spinal canal is a long structure, I would expect it to
register easily using ICP.... as long as your segmentation have
not missed big portions of each.


Note also that, given the curvature of the spine, you may have
to use Transforms that allow for deformations, (e.g. beyond
the Rigid and Affinee 3D) transform.


     Regards,


          Luis


------------------------------------------------------------------
On Fri, Jan 2, 2009 at 10:18 AM, Josu Maiora <jmaiora at gmail.com> wrote:

> Hello Luis,
> I am trying to register segmented spinal canals. Could you give me an
> aproach to do that?
>
> Thanks,
> Josu
>
> 2008/12/31 Luis Ibanez <luis.ibanez at kitware.com>
>
>
>> Hi Josu,
>>
>> ICP requires two sets of points as input.
>>
>> You seem to have two images.
>>
>> Therefore, in order to use ICP you must first extract from each of your
>> images
>> a set of points representing the structure(s) that you want to register.
>>
>> What anatomical structures  are you trying to register ?
>>
>>   Please let us know,
>>
>>
>>         Thanks
>>
>>
>>                 Luis
>>
>>
>> ---------------------------------------------------------------------
>> On Wed, Dec 31, 2008 at 6:01 AM, Josu Maiora <jmaiora at gmail.com> wrote:
>>
>>> Hi all,
>>> I am trying to use the ICP registration with two 3D segmented images. I
>>> have them in mhd or vtk format (I got them with SNAP) and I need to get a
>>> point set in a txt file to use that registration. Is it right?
>>>
>>> And then, how could I get a point set with a reasonable number of points?
>>>
>>> Thanks,
>>>
>>> Josu
>>>
>>>
>>> **************************************************************************
>>> Josu Maiora
>>> University of the Basque Country
>>>
>>> **************************************************************************
>>>
>>> _______________________________________________
>>> Insight-users mailing list
>>> Insight-users at itk.org
>>> http://www.itk.org/mailman/listinfo/insight-users
>>>
>>>
>>
>
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