[Insight-users] Is there a way to quantify accuracy of a deformable registration?

[John Drozd]

Hi Luis,

Thank you. I'll try this and let you know of my progress.

thanks,
John

On Tue, Apr 27, 2010 at 11:58 PM, Luis Ibanez <luis.ibanez at kitware.com>wrote:

>
> Hi John,
>
> If you are looking for a way of characterizing the
> registration method itself, then you may want to
> consider doing the following:
>
> 1) Take an image representative of your domain.
>
> 2) Apply to it a known deformation
>
> 3) Use the image (1) as moving image and the
>     image (2) as fixed image
>
> 4) Compare the deformation field resulting from
>     the registration (3) with the known field that
>     you used in (2). The differences between the
>     fields will give you an idea of the accuracy
>     of the registration.
>
> For step (2), you may find useful the examples
>
>        Insight/Examples/Registration/
>                       BSplineWarping1.cxx
>                       BSplineWarping2.cxx
>                       LandmarkWarping2.cxx
>                       ThinPlateSplineWarp.cxx
>
>
> Please be very careful of avoiding generalizations.
> Registration results are very dependent on the setting
> of parameters.  Whatever measure of accuracy you
> obtain, will only be representative of that registration
> method WITH those exact parameters.
>
> You should therefore, repeat the entire process for
> a variety of parameters, and report on all the sequence.
>
> It is a common mistake to report registration results
> by just using a setting of parameters. This is mostly
> seen in conferences and journals that do not enforce
> or encourage reproducibility (sadly most of them).
>
>
>       Regards,
>
>
>             Luis
>
>
> ----------------------------------------------------------------------
> On Mon, Apr 26, 2010 at 6:30 PM, John Jan Drozd <john.drozd at gmail.com>wrote:
>
>> Hi,
>>
>> Is there a way to quantify the accuracy of a deformable registration? I
>> used the diffeomorphic demons deformable registration.
>>
>> Thank you,
>> John
>>
>> Sent from my iPhone
>> _____________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Kitware offers ITK Training Courses, for more information visit:
>> http://www.kitware.com/products/protraining.html
>>
>> Please keep messages on-topic and check the ITK FAQ at:
>> http://www.itk.org/Wiki/ITK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.itk.org/mailman/listinfo/insight-users
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.itk.org/pipermail/insight-users/attachments/20100428/cddeda69/attachment.htm>