[Insight-users] GPU Calculation of Similarity Metrics

[Matt McCormick]

Hi Siavash,

To the best of my knowledge, this metric has not been implemented on the GPU.

A relevant Insight Journal article:

  http://insight-journal.org/browse/publication/803

Thanks,
Matt

On Fri, Aug 30, 2013 at 10:05 PM, Siavash Khallaghi <siavashk at ece.ubc.ca> wrote:
>> Hello,
>>
>> I have been using ITK 3.20 since 2008, and so far, I have avoided
>> upgrading to ITK 4.x for compatibility reasons. At the moment,  I am running
>> a rigid registration algorithm which uses
>> itk::CorrelationCoefficientHistogramImageToImageMetric.
>>
>> However, now I am at a stage that I need to speed-up the registration to
>> perform a lot of validations on my data sets. As a result, a slight decrease
>> in registration time for each individual experiment would save me a lot of
>> time. The bottleneck is the evaluation of the image-to-image metric.
>>
>> I was wondering if the GPU computation of similarity metrics are
>> implemented in the latest ITK release. I looked at the wiki page, and it
>> seems that they are on a wish list:
>> http://www.itk.org/Wiki/ITK_Release_4/GPU_Acceleration/Wish_List#Image_Registration
>>
>> Could you please give me a time line for implementation of GPU metrics in
>> ITK? Basically, I do not want to reinvent the wheel if you guys are close to
>> finishing it.
>>
>> Siavash Khallaghi
>>
> --
> PhD Candidate
> Robotics and Control Laboratory, Room 3090
> Electrical and Computer Engineering, UBC
> 2332 Main Mall, Vancouver, BC, Canada, V6T 1Z4
> www.ece.ubc.ca/~siavashk/
> Tel: (604)822-9215
>
> _____________________________________
> 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.php
>
> 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