[ITK] Metric Evaluation

[Dženan Zukić]

Hi Sam,

the reason for inventing the optimizers is that exhaustive search takes too
long for most application domains, including 3D images.

Regards,
Dženan

On Wed, May 25, 2016 at 10:05 AM, wassim bouzeid <
abou_zeid_wassim at hotmail.com> wrote:

> Hi Everyone,
>
> I want to explore the domain of an image metric by exhaustive search
> (moving the second image with respect to the first image from a negative
> position to a positive position) so I am using the example in the source
> code MeanSquaresImageMetric1.cxx on 2D images. The time to compute the
> metric value for a specified parameters on these 2D images is approximately
> 0.02 sec. (PC with 32000 MB memory, and 1 cores @ 3201 MHz).
>
> When I am applying this example to 3D nifti images, the computation time
> of the metric value is large (more than 5 sec.).
>
> Does anyone know how to speed up the computation time on 3D images without
> using an optimizer?
>
> Thanks in advance.
>
> Best,
> Sam
>
>
> _______________________________________________
> Community mailing list
> Community at itk.org
> http://public.kitware.com/mailman/listinfo/community
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/community/attachments/20160525/9fc33781/attachment-0001.html>