mitkDistModels.cpp

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#include <mitkDistModels.h>
#include <cmath>

double mitk::DistSimpleBinominal::Init(double y)
{
  return ((y + 0.5) / (2));
}

double mitk::DistSimpleBinominal::Devariation(double mu, double y)
{
  return 2 * (y * std::log(y) / mu + (1 - y) * std::log(1 - y) / (1 - mu));
}

double mitk::DistSimpleBinominal::SqrtVariance(double mu)
{
  return std::sqrt(mu) * std::sqrt(1 - mu);
}