contrib/brl/bseg/vpro/vpro_harris_corner

Go to the documentation of this file.
00001 // This is brl/bseg/vpro/vpro_harris_corner_process.cxx
00002 #include "vpro_harris_corner_process.h"
00003 //: \file
00004 #include <vcl_iostream.h>
00005 #include <vcl_vector.h>
00006 #include <vsol/vsol_point_2d.h>
00007 #include <vil1/vil1_memory_image_of.h>
00008 #include <sdet/sdet_harris_detector.h>
00009 
00010 vpro_harris_corner_process::vpro_harris_corner_process(sdet_harris_detector_params & hdp)
00011  : sdet_harris_detector_params(hdp)
00012 {
00013 }
00014 
00015 vpro_harris_corner_process::~vpro_harris_corner_process()
00016 {
00017 }
00018 
00019 bool vpro_harris_corner_process::execute()
00020 {
00021   if (this->get_N_input_images() != 1)
00022   {
00023     vcl_cout << "In vpro_harris_corner_process::execute() - not exactly one input image\n";
00024     return false;
00025   }
00026   output_spat_objs_.clear();
00027   //assume the input images are grey scale (should really check)
00028   vil1_memory_image_of<unsigned char> img(vpro_video_process::get_input_image(0));
00029   vpro_video_process::clear_input();
00030   sdet_harris_detector harris_detector(*(static_cast<sdet_harris_detector_params*>(this)));
00031   harris_detector.set_image(img);
00032   harris_detector.extract_corners();
00033   vcl_vector<vsol_point_2d_sptr>& points = harris_detector.get_points();
00034   int N = points.size();
00035   if (!N)
00036     return false;
00037   for (int i = 0; i<N; i++)
00038     output_spat_objs_.push_back(points[i]->cast_to_spatial_object());
00039 
00040   output_topo_objs_.clear();
00041   output_image_ = 0;
00042   return true;
00043 }