[Insight-users] Image Registration Metric Derivative Calculation
田光建
gjtian at hotmail.com
Wed Jul 23 21:23:07 EDT 2008
Thank you for your answer, Luis. If I want to develope my own special image metric, I need to calculate the derivative. What should I do? Should I derive my own class from itk class and override the GetDerivative() and GetValueAndDerivative()?> Date: Wed, 23 Jul 2008 10:29:29 -0400> From: luis.ibanez at kitware.com> To: gjtian at hotmail.com> CC: insight-users at itk.org> Subject: Re: [Insight-users] Image Registration Metric Derivative Calculation> > > Hi 田光建,> > > Simply call the method> > > GetDerivative()> > or> > GetValueAndDerivative()> > on the metric that you are using.> > It will return an array with the values of the derivative> of the Metric with respect to the transform parameters.> > Regards,> > > Luis> > > ------------------> 田光建 wrote:> > Hi,All> > > > I want to know how to calculate the metric derivative in ITK for > > registration. We assume that the first order derivative of the image > > metric with respect to the transformation parameters, I want to know how > > to calculate it?> > > > Thank you all.> > > > > > _______________________________________________> > Insight-users mailing list> > Insight-users at itk.org> > http://www.itk.org/mailman/listinfo/insight-users
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