Function createDefaultFitFunctor

Modules/Pharmacokinetics/cmdapps/MRPerfusion.cpp:208–230

}

mitk::ModelFitFunctorBase::Pointer createDefaultFitFunctor(
    const mitk::ModelParameterizerBase* parameterizer, const mitk::ModelFactoryBase* modelFactory)
{
    mitk::LevenbergMarquardtModelFitFunctor::Pointer fitFunctor =
        mitk::LevenbergMarquardtModelFitFunctor::New();

    mitk::NormalizedSumOfSquaredDifferencesFitCostFunction::Pointer chi2 =
        mitk::NormalizedSumOfSquaredDifferencesFitCostFunction::New();
    fitFunctor->RegisterEvaluationParameter("Chi^2", chi2);

    fitFunctor->SetConstraintChecker(modelFactory->CreateDefaultConstraints().GetPointer());

    mitk::ModelBase::Pointer refModel = parameterizer->GenerateParameterizedModel();

    ::itk::LevenbergMarquardtOptimizer::ScalesType scales;
    scales.SetSize(refModel->GetNumberOfParameters());
    scales.Fill(1.0);
    fitFunctor->SetScales(scales);

    fitFunctor->SetDebugParameterMaps(true);

    return fitFunctor.GetPointer();
}

/**Helper that ensures that the mask (if it exists) is always 3D image. If the mask is originally an 4D image, the first
time step will be used.*/