[Insight-developers] add template parameters to optimizer base class

Fri Apr 22 18:46:01 EDT 2011

Kent (AKA Norman) is not overhauling the TransformIO, but he is adding one
more IO file format support to the existing framework.

Hans

On 4/22/11 4:07 PM, "M Stauffer (V)" <mstauff at verizon.net> wrote:

>Hi,
>
>Templating the optimizers over a parameter ValueType requires that
>transforms have parameters of the same type, which requires templating
>TransformBase over parameter value type as well. This is easy enough to
>propgate, since we can use the TScalarType, over which Transform and
>derived classes are templated, to pass to TransformBase for the
>parameter ValueType template parameter.
>
>However, this effects TransformIO and related classes, which use
>TransformBase pointers to hold their transform lists. For now I'll just
>have these template TransformBase over double, w/out templating the IO
>classes themselves. And since Norman is overhauling the TransformIO
>method, this should be taken care of there.
>
>Does this sound reasonable?
>
>Cheers,
>Michael
>
>>-----Original Message-----
>>From: insight-developers-bounces at itk.org
>>[mailto:insight-developers-bounces at itk.org] On Behalf Of
>>Johnson, Hans J
>>Sent: Wednesday, March 30, 2011 5:22 PM
>>To: Luis Ibanez; brian avants; Gaëtan Lehmann
>>Cc: ITK
>>Subject: Re: [Insight-developers] add template parameters to
>>optimizer base class
>>
>>Luis,
>>
>>I would vote for this and propose that the wrapping only use the double
>>precision version for backwards compatibility.
>>
>>Hans
>>
>>--
>>Hans J. Johnson, Ph.D.
>>hans-johnson at uiowa.edu
>>Assistant Professor of Psychiatry
>>University of Iowa Carver College of Medicine
>>W278 GH, 200 Hawkins Drive
>>
>>Iowa City, Iowa 52242
>>Phone:  319-353-8587
>>
>>
>>
>>
>>
>>
>>
>>-----Original Message-----
>>From: Luis Ibanez <luis.ibanez at kitware.com>
>>Date: Wed, 30 Mar 2011 17:17:33 -0400
>>To: brian avants <stnava at gmail.com>, Gaëtan Lehmann
>><gaetan.lehmann at jouy.inra.fr>
>>Cc: ITK <insight-developers at itk.org>
>>Subject: Re: [Insight-developers] add template parameters to optimizer
>>base class
>>
>>Hi Brian,
>>
>>We should check with Gaetan on the implications
>>that this new template parameter may have in the Wrapping...
>>
>>
>>       Luis
>>
>>
>>---------------------------------------------------------------
>>------------
>>-------------
>>On Tue, Mar 29, 2011 at 5:19 PM, brian avants <stnava at gmail.com> wrote:
>>> hi everyone
>>>
>>> itkCostFunction defines the following:
>>>
>>> class ITK_EXPORT CostFunction:public Object
>>> {
>>> public:
>>>
>>> < snip >
>>>
>>>  /**  ParametersType typedef.
>>>   *  It defines a position in the optimization search space. */
>>>  typedef double                       ParametersValueType;
>>>  typedef Array< ParametersValueType > ParametersType;
>>>
>>> ....
>>>
>>> what we'd like to do is define ParametersValueType via a template
>>>parameter
>>> such that we can use float type.
>>>
>>> the motivation is to allow us to have Derivatives/Parameters that are
>>> float deformation fields or float BSpline parameter images that are
>>> then memory mapped to Parameter/DerivativeType arrays.
>>>
>>> does anyone have any objection?   we'd have to make changes
>>to all the
>>> derived classes but these changes should be backward compatible
>>> because the default template parameter for ParametersValueType would
>>> be double ( as it currently is ).
>>>
>>> brian
>>> _______________________________________________
>>> 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://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-developers
>>>
>>_______________________________________________
>>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://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-developers
>>
>>
>>
>>________________________________
>>Notice: This UI Health Care e-mail (including attachments) is
>>covered by the Electronic Communications Privacy Act, 18
>>U.S.C. 2510-2521, is confidential and may be legally
>>privileged.  If you are not the intended recipient, you are
>>hereby notified that any retention, dissemination,
>>distribution, or copying of this communication is strictly
>>prohibited.  Please reply to the sender that you have received
>>the message in error, then delete it.  Thank you.
>>________________________________
>>_______________________________________________
>>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://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-developers
>

________________________________
Notice: This UI Health Care e-mail (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is confidential and may be legally privileged.  If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited.  Please reply to the sender that you have received the message in error, then delete it.  Thank you.
________________________________