/home/hauberg/Dokumenter/Capture/humim-tracker-0.1/src/OpenTissue/OpenTissue/utility/image_analysis/image_analysis_feature_space_pca.h

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#ifndef OPENTISSUE_UTILITY_IMAGE_ANALYSIS_IMAGE_ANALYSIS_FEATURE_SPACE_PCA_H
#define OPENTISSUE_UTILITY_IMAGE_ANALYSIS_IMAGE_ANALYSIS_FEATURE_SPACE_PCA_H
//
// OpenTissue Template Library
// - A generic toolbox for physics-based modeling and simulation.
// Copyright (C) 2008 Department of Computer Science, University of Copenhagen.
//
// OTTL is licensed under zlib: http://opensource.org/licenses/zlib-license.php
//
#include <OpenTissue/configuration.h>

#include <OpenTissue/core/math/math_covariance.h>

namespace OpenTissue
{
  namespace image_analysis
  {
    template< typename feature_grid_type, typename vector3_type, typename matrix3x3_type>
    void feature_space_pca(feature_grid_type const & feature_grid, vector3_type & mean, matrix3x3_type & C  )
    {
      using OpenTissue::math::covariance;

      covariance(feature_grid.begin(),feature_grid.end(),mean,C);
    }

  }// end namespace image_analysis

} // namespace OpenTissue

//  OPENTISSUE_UTILITY_IMAGE_ANALYSIS_IMAGE_ANALYSIS_FEATURE_SPACE_PCA_H
#endif