gil::rgb8_view_t resample_image(gil::rgb8_view_t &orig_view)
{
  if ((orig_view.width() != 480 && orig_view.height() != 320) ||
      (orig_view.width() != 320 && orig_view.width() != 480))
    {
      int x_step = 1;
      int y_step = 1;
      if (orig_view.width() > orig_view.height())
	{
	  x_step = orig_view.width() / configuration::NORMALIZED_DIMENSIONS.first;
	  y_step = orig_view.height() / configuration::NORMALIZED_DIMENSIONS.second;
	}
      else
	{
	  x_step = orig_view.width() / configuration::NORMALIZED_DIMENSIONS.second;
	  y_step = orig_view.height() / configuration::NORMALIZED_DIMENSIONS.first;
	}
      return gil::subsampled_view(orig_view, x_step, y_step);
    }
}

/* compiler error, passed through STLFilt

gfilt /banner:none /cand:L /hdr:L -c -Wall -pedantic -std=c++0x -Wno-deprecated -g -ggdb -DDEBUG -Isrc -I/home/bcollins/proj/meatloaf/src src/preprocess.cpp -o obj/preprocess.o
/usr/include/boost/gil/step_iterator.hpp: In constructor 'boost::gil
    ::memory_based_step_iterator<
        I
    >::memory_based_step_iterator(
        const boost::gil::memory_based_step_iterator<
            boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>
        > &
    )':
/usr/include/boost/gil/locator.hpp:271:   instantiated from 'boost::gil
    ::memory_based_2d_locator<
        I
    >::memory_based_2d_locator(
        const boost::gil::memory_based_2d_locator<SI> &
    )'
/usr/include/boost/gil/image_view.hpp:101:   instantiated from 'boost::gil
    ::image_view<
        L
    >::image_view(
        const boost::gil::image_view<
            boost::gil::memory_based_2d_locator<
                boost::gil::memory_based_step_iterator<
                    boost::gil::memory_based_step_iterator<
                        boost::gil::rgb8_pixel_t *
                    >
                >
            >
        > &
    )'
src/preprocess.cpp:222:   instantiated from here
/usr/include/boost/gil/step_iterator.hpp:165: error: No match for 'boost::gil
    ::detail::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>
      , boost::gil::rgb8_pixel_t *
      , boost::gil::memunit_step_fn<boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t
            *
        > &, boost::gil::memunit_step_fn<boost::gil::rgb8_pixel_t *>
    )'
/usr/include/boost/gil/step_iterator.hpp:61: candidates are: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::rgb8_pixel_t *&, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>)
/usr/include/boost/gil/step_iterator.hpp:60: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *> >::step_iterator_adaptor()
/usr/include/boost/gil/step_iterator.hpp:53: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::detail::step_iterator_adaptor<
            boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
            boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
                boost::gil::rgb8_pixel_t *> > &)
...skipping...
/usr/include/boost/gil/step_iterator.hpp: In constructor 'boost::gil
    ::memory_based_step_iterator<
        I
    >::memory_based_step_iterator(
        const boost::gil::memory_based_step_iterator<
            boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>
        > &
    )':
/usr/include/boost/gil/locator.hpp:271:   instantiated from 'boost::gil
    ::memory_based_2d_locator<
        I
    >::memory_based_2d_locator(
        const boost::gil::memory_based_2d_locator<SI> &
    )'
/usr/include/boost/gil/image_view.hpp:101:   instantiated from 'boost::gil
    ::image_view<
        L
    >::image_view(
        const boost::gil::image_view<
            boost::gil::memory_based_2d_locator<
                boost::gil::memory_based_step_iterator<
                    boost::gil::memory_based_step_iterator<
                        boost::gil::rgb8_pixel_t *
                    >
                >
            >
        > &
    )'
src/preprocess.cpp:222:   instantiated from here
/usr/include/boost/gil/step_iterator.hpp:165: error: No match for 'boost::gil
    ::detail::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>
      , boost::gil::rgb8_pixel_t *
      , boost::gil::memunit_step_fn<boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t
            *
        > &, boost::gil::memunit_step_fn<boost::gil::rgb8_pixel_t *>
    )'
/usr/include/boost/gil/step_iterator.hpp:61: candidates are: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::rgb8_pixel_t *&, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>)
/usr/include/boost/gil/step_iterator.hpp:60: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *> >::step_iterator_adaptor()
/usr/include/boost/gil/step_iterator.hpp:53: boost::gil::detail
    ::step_iterator_adaptor<
        boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
        boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
            boost::gil::rgb8_pixel_t *>
    >::step_iterator_adaptor(
        const boost::gil::detail::step_iterator_adaptor<
            boost::gil::memory_based_step_iterator<boost::gil::rgb8_pixel_t *>,
            boost::gil::rgb8_pixel_t *, boost::gil::memunit_step_fn<
                boost::gil::rgb8_pixel_t *> > &)
*/