Function main

examples/image_processing/image_editing.cpp:88–132

}

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

        array man   = loadImage(ASSETS_DIR "/examples/images/man.jpg", true);
        array fight = loadImage(ASSETS_DIR "/examples/images/fight.jpg", true);
        array nature =
            resize(loadImage(ASSETS_DIR "/examples/images/nature.jpg", true),
                   fight.dims(0), fight.dims(1));

        array intensity  = colorSpace(fight, AF_GRAY, AF_RGB);
        array mask       = clamp(intensity, 10.0f, 255.0f) > 0.0f;
        array blend      = alphaBlend(fight, nature, mask);
        array highcon    = changeContrast(man, 0.3);
        array highbright = changeBrightness(man, 0.2);
        array translated = translate(man, 100, 100, 200, 126);
        array sharp      = usm(man, 3, 1.2);
        array zoom       = digZoom(man, 28, 10, 192, 192);
        array morph_mask = constant(1, 3, 3);
        array bdry       = boundary(man, morph_mask);

        af::Window wnd("Image Editing Operations");
        printf("Press ESC while the window is in focus to exit\n");
        while (!wnd.close()) {
            wnd.grid(2, 5);
            wnd(0, 0).image(man / 255, "Input");
            wnd(1, 0).image(highcon / 255, "High Contrast");
            wnd(0, 1).image(highbright / 255, "High Brightness");
            wnd(1, 1).image(translated / 255, "Translation");
            wnd(0, 2).image(sharp / 255, "Unsharp Masking");
            wnd(1, 2).image(zoom / 255, "Digital Zoom");
            wnd(0, 3).image(nature / 255, "Background for blend");
            wnd(1, 3).image(fight / 255, "Foreground for blend");
            wnd(0, 4).image(blend / 255, "Alpha blend");
            wnd(1, 4).image(bdry / 255, "Boundary extraction");
            wnd.show();
        }
    } catch (af::exception &e) {
        fprintf(stderr, "%s\n", e.what());
        throw;
    }
    return 0;
}