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split_image.cxx
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split_image.cxx
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/*ckwg +29
* Copyright 2017 by Kitware, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither name of Kitware, Inc. nor the names of any contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
* \brief Implementation of VXL split image algorithm
*/
#include "split_image.h"
#include <arrows/vxl/image_container.h>
#include <vil/vil_crop.h>
#include <vil/vil_copy.h>
namespace kwiver {
namespace arrows {
namespace vxl {
/// Constructor
split_image
::split_image()
{
}
/// Destructor
split_image
::~split_image()
{
}
/// Split image
std::vector< kwiver::vital::image_container_sptr >
split_image
::split(kwiver::vital::image_container_sptr image) const
{
std::vector< kwiver::vital::image_container_sptr > output;
vil_image_view< vxl_byte > vxl_image = vxl::image_container::vital_to_vxl( image->get_image() );
vil_image_view< vxl_byte > left_image_copy, left_image
= vil_crop( vxl_image, 0, vxl_image.ni()/2, 0, vxl_image.nj() );
vil_image_view< vxl_byte > right_image_copy, right_image
= vil_crop( vxl_image, vxl_image.ni()/2, vxl_image.ni()/2, 0, vxl_image.nj() );
vil_copy_deep( left_image, left_image_copy );
vil_copy_deep( right_image, right_image_copy );
output.push_back( vital::image_container_sptr( new vxl::image_container( left_image_copy ) ) );
output.push_back( vital::image_container_sptr( new vxl::image_container( right_image_copy ) ) );
return output;
}
} // end namespace vxl
} // end namespace arrows
} // end namespace kwiver