Function morphing_demo

examples/image_processing/morphing.cpp:70–109

Demonstrates various image morphing manipulations.

// Demonstrates various image morphing manipulations.
static void morphing_demo() {
    af::Window wnd(1280, 720, "Morphological Operations");
    // load images
    array img_rgb = loadImage(ASSETS_DIR "/examples/images/man.jpg", true) /
                    255.f;  // 3 channel RGB       [0-1]

    array mask = constant(1, 5, 5);

    array er = erode(img_rgb, mask);
    array di = dilate(img_rgb, mask);
    array op = morphopen(img_rgb, mask);
    array cl = morphclose(img_rgb, mask);
    array gr = morphgrad(img_rgb, mask);
    array th = tophat(img_rgb, mask);
    array bh = bottomhat(img_rgb, mask);
    array bl = blur(img_rgb, gaussianKernel(5, 5));
    array bp = border(img_rgb, 20, 30, 40, 50, 0.5);
    array bo = border(img_rgb, 20);

    while (!wnd.close()) {
        wnd.grid(3, 4);

        wnd(0, 0).image(img_rgb, "Input");
        wnd(1, 0).image(er, "Erosion");
        wnd(2, 0).image(di, "Dilation");

        wnd(0, 1).image(op, "Opening");
        wnd(1, 1).image(cl, "Closing");
        wnd(2, 1).image(gr, "Gradient");

        wnd(0, 2).image(th, "TopHat");
        wnd(1, 2).image(bh, "BottomHat");
        wnd(2, 2).image(bl, "Blur");

        wnd(0, 3).image(bp, "Border to Gray");
        wnd(1, 3).image(bo, "Border to black");

        wnd.show();
    }
}

int main(int argc, char** argv) {
    int device = argc > 1 ? atoi(argv[1]) : 0;