cvmat_serialization.h

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#ifndef cvmat_serialization_H
#define cvmat_serialization_H

// The following code is taken from http://cheind.wordpress.com/2011/12/06/serialization-of-cvmat-objects-using-boost/
// Copyright Christoph Heindl and cheind.wordpress.com, 2009-2012.
// christoph.heindl@gmail.com

#include <opencv2/opencv.hpp>
#include <boost/serialization/split_free.hpp>
#include <boost/serialization/vector.hpp>

BOOST_SERIALIZATION_SPLIT_FREE(::cv::Mat)
namespace boost {
  namespace serialization {

    template<class Archive>
    void save(Archive & ar, const ::cv::Mat& m, const unsigned int version)
    {
      size_t elem_size = m.elemSize();
      size_t elem_type = m.type();

      ar & m.cols;
      ar & m.rows;
      ar & elem_size;
      ar & elem_type;

      const size_t data_size = m.cols * m.rows * elem_size;
      ar & boost::serialization::make_array(m.ptr(), data_size);
    }

    template<class Archive>
    void load(Archive & ar, ::cv::Mat& m, const unsigned int version)
    {
      int cols, rows;
      size_t elem_size, elem_type;

      ar & cols;
      ar & rows;
      ar & elem_size;
      ar & elem_type;

      m.create(rows, cols, elem_type);

      size_t data_size = m.cols * m.rows * elem_size;
      ar & boost::serialization::make_array(m.ptr(), data_size);
    }

  }
}

#endif