--- /dev/null
+
+///////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify //
+// it under the terms of the version 3 of the GNU General Public License //
+// as published by the Free Software Foundation. //
+// //
+// This program is distributed in the hope that it will be useful, but //
+// WITHOUT ANY WARRANTY; without even the implied warranty of //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
+// General Public License for more details. //
+// //
+// You should have received a copy of the GNU General Public License //
+// along with this program. If not, see <http://www.gnu.org/licenses/>. //
+// //
+// Written by Francois Fleuret, (C) IDIAP //
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports //
+///////////////////////////////////////////////////////////////////////////
+
+#include "error_rates.h"
+#include "fusion_sort.h"
+#include "pose_cell_hierarchy.h"
+#include "boosted_classifier.h"
+#include "parsing_pool.h"
+#include "chrono.h"
+#include "materials.h"
+
+void compute_errors_on_one_image(int level,
+ LabelledImage *image,
+ PoseCellSet *cell_set,
+ int *nb_fns, int *nb_fas) {
+
+ int hit[image->nb_targets()];
+
+ for(int t = 0; t < image->nb_targets(); t++) {
+ hit[t] = 0;
+ }
+
+ Pose pose;
+
+ for(int c = 0; c < cell_set->nb_cells(); c++) {
+ cell_set->get_cell(c)->get_centroid(&pose);
+
+ int false_positive = 1;
+
+ for(int t = 0; t < image->nb_targets(); t++) {
+ if(pose.hit(level, image->get_target_pose(t))) {
+ hit[t] = 1;
+ false_positive = 0;
+ }
+ }
+
+ if(false_positive) (*nb_fas)++;
+ }
+
+ for(int t = 0; t < image->nb_targets(); t++) {
+ if(!hit[t]) (*nb_fns)++;
+ }
+}
+
+void print_decimated_error_rate(int level, LabelledImagePool *pool, Detector *detector) {
+ LabelledImage *image;
+ PoseCellScoredSet result_cell_set;
+
+ int nb_fns = 0, nb_fas = 0, nb_targets = 0;
+ long int total_surface = 0;
+
+ cout << "Testing the detector." << endl;
+
+ global.bar.init(&cout, pool->nb_images());
+ for(int i = 0; i < pool->nb_images(); i++) {
+ image = pool->grab_image(i);
+ total_surface += image->width() * image->height();
+ image->compute_rich_structure();
+
+ detector->parse(image, &result_cell_set);
+ result_cell_set.decimate_collide(level);
+ result_cell_set.decimate_hit(level);
+
+ compute_errors_on_one_image(level, image, &result_cell_set, &nb_fns, &nb_fas);
+
+ if(global.write_parse_images) {
+ char buffer[buffer_size];
+ sprintf(buffer, "%s/parse-%04d.png", global.result_path, i);
+ cout << "LEVEL = " << level << endl;
+ write_image_with_detections(buffer,
+ image,
+ &result_cell_set, level);
+ }
+
+ nb_targets += image->nb_targets();
+ pool->release_image(i);
+ global.bar.refresh(&cout, i);
+ }
+ global.bar.finish(&cout);
+
+ scalar_t fn_rate = scalar_t(nb_fns)/scalar_t(nb_targets);
+ scalar_t nb_fas_per_vga = (scalar_t(nb_fas) / scalar_t(total_surface)) * scalar_t(640 * 480);
+
+ (*global.log_stream)
+ << "INFO DECIMATED_NB_FALSE_NEGATIVES " << nb_fns << endl
+ << "INFO DECIMATED_NB_TARGETS " << nb_targets << endl
+ << "INFO DECIMATED_FALSE_NEGATIVE_RATE " << fn_rate << endl
+ << "INFO DECIMATED_NB_FALSE_POSITIVES " << nb_fas << endl
+ << "INFO DECIMATED_NB_FALSE_POSITIVES_PER_VGA " << nb_fas_per_vga << endl
+ << "INFO NB_SCENES " << pool->nb_images() << endl
+ << "INFO TOTAL_SURFACE " << total_surface << endl;
+ ;
+}
+
+void parse_scene(Detector *detector, const char *image_name) {
+ RGBImage tmp;
+ tmp.read_jpg(image_name);
+ RichImage image(tmp.width(), tmp.height());
+
+ for(int y = 0; y < tmp.height(); y++) {
+ for(int x = 0; x < tmp.width(); x++) {
+ image.set_value(x, y, int(scalar_t(tmp.pixel(x, y, 0)) * 0.2989 +
+ scalar_t(tmp.pixel(x, y, 1)) * 0.5870 +
+ scalar_t(tmp.pixel(x, y, 2)) * 0.1140));
+ }
+ }
+
+ image.compute_rich_structure();
+
+ PoseCellScoredSet cell_set;
+ detector->parse(&image, &cell_set);
+ cell_set.decimate_hit(detector->nb_levels() - 1);
+
+ cout << "RESULT " << image_name << endl;
+ for(int c = 0; c < cell_set.nb_cells(); c++) {
+ cout << "ALARM " << c << endl;
+ Pose alarm;
+ cell_set.get_cell(c)->get_centroid(&alarm);
+ alarm.print(&cout);
+ }
+ cout << "END_RESULT" << endl;
+}