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 selector. If not, see <http://www.gnu.org/licenses/>.
25 #include "vision_problem_20.h"
28 VisionProblem_20::VisionProblem_20() { }
31 void VisionProblem_20::generate(int label, Vignette *vignette) {
33 int xs[nb_shapes], ys[nb_shapes];
34 Shape shapes[nb_shapes];
40 for(int n = 0; !error && n < nb_shapes; n++) {
41 xs[n] = int(random_uniform_0_1() * Vignette::width);
42 ys[n] = int(random_uniform_0_1() * Vignette::height);
43 if(!label || n == 0) {
44 shapes[n].randomize(part_size / 2, part_hole_size / 2);
46 shapes[n].copy(&shapes[0]);
47 shapes[n].symmetrize(ys[n] - ys[0], - xs[n] + xs[0]);
49 error |= shapes[n].overwrites(vignette, xs[n], ys[n]);
51 shapes[n].draw(n, vignette, xs[n], ys[n]);