Function gauss

examples/image_processing/brain_segmentation.cpp:35–39

}

array gauss(array x, float u, float s) {
    double f = 1 / sqrt(2 * af::Pi * s * s);
    array e  = exp(-pow((x - u), 2) / (2 * s * s));
    return f * e;
}

array segment_volume(array A, int k) {
    array I1 = A(span, span, k);