otbMultiScaleConvexOrConcaveClassificationFilter.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef otbMultiScaleConvexOrConcaveClassificationFilter_h
#define otbMultiScaleConvexOrConcaveClassificationFilter_h
 
#include "otbFunctorImageFilter.h"
 
namespace otb
{
namespace Functor
{
namespace MultiScaleConvexOrConcaveDecisionRule_tags
{
struct max_opening_profile_derivative
{
};
struct max_closing_profile_derivative
{
};
struct opening_profile_characteristics
{
};
struct closing_profile_characteristics
{
};
 
} // End namespace MultiScaleConvexOrConcaveDecisionRule_tags
 
template <class TInput, class TLabeled>
class MultiScaleConvexOrConcaveDecisionRule
{
 
public:
  MultiScaleConvexOrConcaveDecisionRule()
  {
    m_Sigma          = 0.0;
    m_LabelSeparator = 10;
  }
 
  virtual ~MultiScaleConvexOrConcaveDecisionRule()
  {
  }
 
  TLabeled operator()(const TInput& opDeMax, const TInput& cloDeMax, const TLabeled& opDeChar, const TLabeled& cloDeChar) const
  {
    TLabeled resp = 0;
 
    if (opDeMax > cloDeMax && static_cast<double>(opDeMax) > m_Sigma)
    {
      resp = m_LabelSeparator + opDeChar;
    }
    else if (cloDeMax > opDeMax && static_cast<double>(cloDeMax) > m_Sigma)
    {
      resp = cloDeChar;
    }
    return resp;
  }
  void SetSigma(const double& sigma)
  {
    m_Sigma = sigma;
  }
 
  double GetSigma(void)
  {
    return m_Sigma;
  }
 
  void SetLabelSeparator(const TLabeled& labelSeparator)
  {
    m_LabelSeparator = labelSeparator;
  }
 
  TLabeled GetLabelSeparator(void)
  {
    return m_LabelSeparator;
  }
 
private:
  double m_Sigma;
 
  TLabeled m_LabelSeparator;
};
} // end namespace Functor