Function box_intersection

tests/bin/test_dk_yolo.cpp:502–510

}

float box_intersection(box a, box b)
{
    float w = overlap(a.x, a.w, b.x, b.w);
    float h = overlap(a.y, a.h, b.y, b.h);
    if(w < 0 || h < 0)
        return 0;
    float area = w * h;
    return area;
}

float box_union(box a, box b)
{