[Insight-developers] GetMinimumMetricValuePosition

[Rupert Brooks]

Hi,

I was just examining the solution for the itkExhaustiveOptimizer
problem reported here
http://www.itk.org/Bug/view.php?id=5342

One of the problems reported was that the optimizer could not be used
in the registration framework - its GetCurrentValue reports the last
place explored, which is not necessarily the best one.

The current test for this optimizer uses the method
GetMinimumMetricValuePosition - and this works fine for finding the
minimum - so the test passes.  However, this does not seem to be a
general method for all optimizers.  Specifically - the
ImageRegistrationMethod uses ->GetCurrentPosition to find the optimal
transformation parameters.

To my way of thinking the bug is not fixed - but the bug was closed.
Am i out in left field here?  Note that i was the original reporter of
the bug - so perhaps im not getting something.

Cheers,
Rupert

-- 
--------------------------------------------------------------
Rupert Brooks
McGill Centre for Intelligent Machines (www.cim.mcgill.ca)
Ph.D Student, Electrical and Computer Engineering
http://www.cyberus.ca/~rbrooks