[Insight-users] Serious problem with BSpline Registration

[Dr. Tim Allman]

Yes, the single example download works.

On 12-12-11 03:00 PM, Bill Lorensen wrote:
> We know that the old itk registration classes have thread issues.
>
> I found the same problem with the example on a multi processor ubuntu
> system that you reported.
>
> I'll start a discussion on the itk developer's list to see if we
> should spend time fixing the old framework (which is still in ITKv4).
>
> Thanks for reporting this. In the meantime, I'll add an explicit
> thread setting in the example.
>
> Bill
>
> BTW, you might notice that the wiki examples now have the ability to
> download a tar file for an individual example. Have you tried it? We
> have not announced it yet.
>
> http://itk.org/Wiki/ITK/Examples/Registration/ImageRegistrationMethodBSpline#Download_and_Build_ImageRegistrationMethodBSpline
>
> On Tue, Dec 11, 2012 at 2:41 PM, Dr. Tim Allman <dr.tim.allman at gmail.com> wrote:
>> Interesting. I just tried this on the Mac and it gives the same results as
>> on the dashboard. The picture is correct too. Note however the lines:
>>
>> THE MINIMIZATION TERMINATED WITHOUT DETECTING ERRORS.
>> Optimizer stop condition = LBFGSOptimizer: Failure
>>
>> This seems contradictory.
>>
>> I'll continue work with one thread.
>>
>> Tim
>>
>>
>> On 12-12-11 02:01 PM, Bill Lorensen wrote:
>>> Looks like a thread issue. Try this:
>>> ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS=1
>>> export ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS
>>>
>>>
>>> On Tue, Dec 11, 2012 at 1:20 PM, Bill Lorensen <bill.lorensen at gmail.com>
>>> wrote:
>>>> Yes, there seems to be something strange.
>>>>
>>>> The nightly linux dashboard is clean and that example runs as expected.
>>>> http://open.cdash.org/testDetails.php?test=169660112&build=2707835
>>>>
>>>> I just built my own version on linux and it builds and produces the
>>>> proper results.
>>>>
>>>> I'll try my Mac build later.
>>>>
>>>> I'll also try a Superbuild version.
>>>>
>>>> Bill
>>>>
>>>> On Tue, Dec 11, 2012 at 12:46 PM, Dr. Tim Allman
>>>> <dr.tim.allman at gmail.com> wrote:
>>>>> I am trying to do 2D BSpline based registrations but with little
>>>>> success. It
>>>>> appears that there is a problem inside ITK which is demonstrated by the
>>>>> ITKWikiExample "Registration/ImageRegistrationMethodBSpline.cxx". I get
>>>>> the
>>>>> same results when I compile on Linux and OSX, 32 or 64 bits. The default
>>>>> Superbuild exhibits the same behaviour.
>>>>>
>>>>> The first thing I noticed is that the example does not give the result
>>>>> presented on the web page
>>>>>
>>>>> http://www.itk.org/Wiki/ITK/Examples/Registration/ImageRegistrationMethodBSpline.
>>>>> Further, small adjustments to the optimizer parameters make wild changes
>>>>> to
>>>>> the appearance of the image.
>>>>>
>>>>> If the tests are run, the following results:
>>>>>
>>>>> The following tests FAILED:
>>>>>         1 - CheckPagesForImages (Failed)
>>>>>       171 - Registration-ImageRegistrationMethodBSpline (Failed)
>>>>>       235 - Statistics-KdTreeBasedKMeansClustering_1D (SEGFAULT)
>>>>>       236 - Statistics-KdTreeBasedKMeansClustering_3D (SEGFAULT)
>>>>> Errors while running CTest
>>>>>
>>>>> Any help in this would be much appreciated.
>>>>>
>>>>> --
>>>>> Tim Allman, Ph.D.
>>>>> 35 Margaret Street,
>>>>> Guelph Ontario N1E 5R6
>>>>> Canada
>>>>>
>>>>>
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>>>>
>>>> --
>>>> Unpaid intern in BillsBasement at noware dot com
>>>
>>>
>> --
>> Tim Allman, Ph.D.
>> 35 Margaret Street,
>> Guelph Ontario N1E 5R6
>> Canada
>>
>
>

-- 
Tim Allman, Ph.D.
35 Margaret Street,
Guelph Ontario N1E 5R6
Canada

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