Hi Nick and Brian, Thanks for the clarification. Maybe at least we could plug in a cast filter inside the optimizer to internally use double, instead of requiring the input image types to be double?
-Xiaoxiao On Thu, Jan 17, 2013 at 10:59 AM, brian avants <[email protected]> wrote: > hi nick , xiaoxiao > > it's the optimization framework that forced this - michael stauffer > did a pass through rewriting the optimization framework with a > template parameter but this was nixed in one of the developer > meetings. > > agree that it's not ideal --- however, upside is that solutions should > be more stable/precise, to state the obvious. > > b > > brian > > > > > On Thu, Jan 17, 2013 at 10:55 AM, Nicholas Tustison <[email protected]> > wrote: > > Yeah, this is a legacy issue that we need to address but I don't know how > > easy it's going to be. It's due to the fact that the transform framework > > requires > > double type which predates our work. Brian, Michael and I will have to > > discuss this to see if we can fix it or at least minimize the places > where > > double > > is required. > > > > Nick > > > > > > On Jan 17, 2013, at 10:50 AM, Xiaoxiao Liu <[email protected]> > wrote: > > > > Hi Nick, > > With the recent changes in the RegistrationMetricv4, seems that the > > PixeType of an image needs to be always set to double? > > Old registration code that with float type fails to compile, but runs > > fine with double : > > > https://github.com/InsightSoftwareConsortium/ITKv4-TheNextGeneration-Tutorial/commit/20df5ac66d43061b5d1ca3665dd1712a5986a879 > > The internal parameter measurements are using double, but is there a > > reason to require the image type to be double as well? Am I missing > > something? > > Please give me some pointers. Thanks. > > > > -- Xiaoxiao > > > > > > --------------------------------------------- > > Xiaoxiao Liu, Ph.D. > > R & D Engineer > > Kitware Inc. > > Clifton Park, NY > > Phone: (518) 881-4924 or (518) 371-3971 x124 > > > > > > > > _______________________________________________ > > 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.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-developers > > > -- --------------------------------------------- *Xiaoxiao Liu*, Ph.D. R & D Engineer Kitware Inc <http://www.kitware.com/>. Clifton Park, NY Phone: (518) 881-4924 or (518) 371-3971 x124
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