2 * svrt is the ``Synthetic Visual Reasoning Test'', an image
3 * generator for evaluating classification performance of machine
4 * learning systems, humans and primates.
6 * Copyright (c) 2009 Idiap Research Institute, http://www.idiap.ch/
7 * Written by Francois Fleuret <francois.fleuret@idiap.ch>
9 * This file is part of svrt.
11 * svrt is free software: you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 3 as
13 * published by the Free Software Foundation.
15 * svrt is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with svrt. If not, see <http://www.gnu.org/licenses/>.
25 #include "vision_problem_16.h"
28 VisionProblem_16::VisionProblem_16() { }
30 void VisionProblem_16::generate(int label, Vignette *vignette) {
34 int xs[nb_shapes], ys[nb_shapes];
36 shape1.randomize(part_size / 2, hole_size / 2);
40 shape2.symmetrize(0.0, 1.0);
47 // First half of the shapes are random
48 for(int n = 0; n < nb_shapes/2; n++) {
49 xs[n] = int(random_uniform_0_1() * (Vignette::width - part_size + 1)) + part_size/2;
50 ys[n] = int(random_uniform_0_1() * (Vignette::height - part_size + 1)) + part_size/2;
51 error |= shape1.overwrites(vignette, xs[n], ys[n]);
53 shape1.draw(n, vignette, xs[n], ys[n]);
57 for(int n = nb_shapes/2; n < nb_shapes; n++) {
58 xs[n] = Vignette::width - xs[n - nb_shapes/2];
59 ys[n] = ys[n - nb_shapes/2];
60 error |= shape2.overwrites(vignette, xs[n], ys[n]);
62 shape2.draw(n, vignette, xs[n], ys[n]);