[libcvd-members] Example program for the new tensor voting code.

[Edward Rosten]

#include <cvd/image_io.h>
#include <cvd/tensor_voting.h>
#include <TooN/SymEigen.h>

using namespace CVD;
using namespace std;
using namespace TooN;

int main()
{
        Image<double> image = img_load(cin);

        Image<Matrix<2> > field = dense_tensor_vote_gradients(image, 3, 3);

        Image<double> done(field.size());
        double maximum=0;
        for(int y=0; y < field.size().y ; y++)
                for(int x=0; x < field.size().x ; x++)
                {
                        SymEigen<2> se(field[y][x]);

                        double score = max(se.get_evalues()[1] - 2 * 
se.get_evalues()[0], 0.);

                        maximum = max(maximum, done[y][x] =score);
                }

        for(int y=0; y < field.size().y ; y++)
                for(int x=0; x < field.size().x ; x++)
                        done[y][x] /= maximum;

        img_save(done, cout, ImageType::PNG);
}


--
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