mae.cpp

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#include "mae.h"
 
namespace armarx::aron::similarity::mae
{
 
    double
    compute_similarity(const data::NDArrayPtr p1, const data::NDArrayPtr p2)
    {
        double sum = 0;
        int width = p1->getShape().at(0);
        int height = p1->getShape().at(1);
        int colors = p1->getShape().at(2);
 
        auto first_image = p1->getDataAsVector();
        auto second_image = p2->getDataAsVector();
 
        ARMARX_CHECK(first_image.size() == second_image.size());
 
        for (int w = 0; w < width; w++)
        {
            for (int h = 0; h < height; h++)
            {
                for (int c = 0; c < colors; c++)
                {
                    int k = h * width * colors + w * colors + c;
                    sum += std::abs(first_image.at(k) - second_image.at(k));
                }
            }
        }
        return sum / (width * height * colors);
    }
 
 
} // namespace armarx::aron::similarity::mae