folding.cc

   1
   2 ///////////////////////////////////////////////////////////////////////////
   3 // This program is free software: you can redistribute it and/or modify  //
   4 // it under the terms of the version 3 of the GNU General Public License //
   5 // as published by the Free Software Foundation.                         //
   6 //                                                                       //
   7 // This program is distributed in the hope that it will be useful, but   //
   8 // WITHOUT ANY WARRANTY; without even the implied warranty of            //
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      //
  10 // General Public License for more details.                              //
  11 //                                                                       //
  12 // You should have received a copy of the GNU General Public License     //
  13 // along with this program. If not, see <http://www.gnu.org/licenses/>.  //
  14 //                                                                       //
  15 // Written by Francois Fleuret                                           //
  16 // (C) Idiap Research Institute                                          //
  17 //                                                                       //
  18 // Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
  19 ///////////////////////////////////////////////////////////////////////////
  20
  21 #include <iostream>
  22 #include <fstream>
  23 #include <cmath>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 using namespace std;
  29
  30 #include "misc.h"
  31 #include "param_parser.h"
  32 #include "global.h"
  33 #include "labelled_image_pool_file.h"
  34 #include "labelled_image_pool_subset.h"
  35 #include "tools.h"
  36 #include "detector.h"
  37 #include "pose_cell_hierarchy.h"
  38 #include "error_rates.h"
  39 #include "materials.h"
  40
  41 //////////////////////////////////////////////////////////////////////
  42
  43 void check(bool condition, const char *message) {
  44   if(!condition) {
  45     cerr << message << endl;
  46     exit(1);
  47   }
  48 }
  49
  50 //////////////////////////////////////////////////////////////////////
  51
  52 int main(int argc, char **argv) {
  53
  54 #ifdef DEBUG
  55   cout << endl;
  56   cout << "**********************************************************************" << endl;
  57   cout << "**                     COMPILED IN DEBUG MODE                       **" << endl;
  58   cout << "**********************************************************************" << endl;
  59   cout << endl;
  60 #endif
  61
  62   char *new_argv[argc];
  63   int new_argc = 0;
  64
  65   cout << "-- ARGUMENTS ---------------------------------------------------------" << endl;
  66
  67   for(int i = 0; i < argc; i++)
  68     cout << (i > 0 ? "  " : "") << argv[i] << (i < argc - 1 ? " \\" : "")
  69          << endl;
  70
  71   {
  72     ParamParser parser;
  73     global.init_parser(&parser);
  74     parser.parse_options(argc, argv, false, &new_argc, new_argv);
  75     global.read_parser(&parser);
  76     (*global.log_stream)
  77       << "-- PARAMETERS --------------------------------------------------------"
  78       << endl;
  79     parser.print_all(global.log_stream);
  80   }
  81
  82   nice(global.niceness);
  83
  84   (*global.log_stream) << "INFO RANDOM_SEED " << global.random_seed << endl;
  85   srand48(global.random_seed);
  86
  87   LabelledImagePool *main_pool = 0;
  88   LabelledImagePool *train_pool = 0, *validation_pool = 0, *hierarchy_pool = 0;
  89   LabelledImagePool *test_pool = 0;
  90   Detector *detector = 0;
  91
  92   {
  93     char buffer[buffer_size];
  94     gethostname(buffer, buffer_size);
  95     (*global.log_stream) << "INFO HOSTNAME " << buffer << endl;
  96   }
  97
  98   for(int c = 1; c < new_argc; c++) {
  99
 100     if(strcmp(new_argv[c], "open-pool") == 0) {
 101       cout
 102         << "-- OPENING POOL ------------------------------------------------------"
 103         << endl;
 104
 105       check(!main_pool, "Pool already opened.");
 106       check(global.pool_name[0], "No pool file.");
 107
 108       main_pool = new LabelledImagePoolFile(global.pool_name);
 109
 110       bool for_test[main_pool->nb_images()];
 111       bool for_train[main_pool->nb_images()];
 112       bool for_validation[main_pool->nb_images()];
 113       bool for_hierarchy[main_pool->nb_images()];
 114
 115       for(int n = 0; n < main_pool->nb_images(); n++) {
 116         for_test[n] = false;
 117         for_train[n] = false;
 118         for_validation[n] = false;
 119         scalar_t r = drand48();
 120         if(r < global.proportion_for_train)
 121           for_train[n] = true;
 122         else if(r < global.proportion_for_train + global.proportion_for_validation)
 123           for_validation[n] = true;
 124         else if(global.proportion_for_test < 0 ||
 125                 r < global.proportion_for_train +
 126                 global.proportion_for_validation +
 127                 global.proportion_for_test)
 128           for_test[n] = true;
 129         for_hierarchy[n] = for_train[n] || for_validation[n];
 130       }
 131
 132       train_pool = new LabelledImagePoolSubset(main_pool, for_train);
 133       validation_pool = new LabelledImagePoolSubset(main_pool, for_validation);
 134       hierarchy_pool = new LabelledImagePoolSubset(main_pool, for_hierarchy);
 135
 136       if(global.test_pool_name[0]) {
 137         test_pool = new LabelledImagePoolFile(global.test_pool_name);
 138       } else {
 139         test_pool = new LabelledImagePoolSubset(main_pool, for_test);
 140       }
 141
 142       cout << "Using "
 143            << train_pool->nb_images() << " images for train, "
 144            << validation_pool->nb_images() << " images for validation, "
 145            << hierarchy_pool->nb_images() << " images for the hierarchy and "
 146            << test_pool->nb_images() << " images for test."
 147            << endl;
 148
 149     }
 150
 151     //////////////////////////////////////////////////////////////////////
 152
 153     else if(strcmp(new_argv[c], "train-detector") == 0) {
 154       cout << "-- TRAIN DETECTOR ----------------------------------------------------" << endl;
 155       check(train_pool, "No train pool available.");
 156       check(validation_pool, "No validation pool available.");
 157       check(hierarchy_pool, "No hierarchy pool available.");
 158       check(!detector, "Existing detector, can not train another one.");
 159       detector = new Detector();
 160       detector->train(train_pool, validation_pool, hierarchy_pool);
 161     }
 162
 163     else if(strcmp(new_argv[c], "compute-thresholds") == 0) {
 164       cout << "-- COMPUTE THRESHOLDS ------------------------------------------------" << endl;
 165       check(validation_pool, "No validation pool available.");
 166       check(detector, "No detector.");
 167       detector->compute_thresholds(validation_pool, global.wanted_true_positive_rate);
 168     }
 169
 170     //////////////////////////////////////////////////////////////////////
 171
 172     else if(strcmp(new_argv[c], "test-detector") == 0) {
 173       cout << "-- TEST DETECTOR -----------------------------------------------------" << endl;
 174
 175       check(test_pool, "No test pool available.");
 176       check(detector, "No detector.");
 177
 178       if(test_pool->nb_images() > 0) {
 179         print_decimated_error_rate(global.nb_levels - 1, test_pool, detector);
 180       } else {
 181         cout << "No test image." << endl;
 182       }
 183     }
 184
 185     else if(strcmp(new_argv[c], "sequence-test-detector") == 0) {
 186       cout << "-- SEQUENCE TEST DETECTOR --------------------------------------------" << endl;
 187
 188       check(test_pool, "No test pool available.");
 189       check(detector, "No detector.");
 190
 191       if(test_pool->nb_images() > 0) {
 192
 193         for(int n = 0; n < global.nb_wanted_true_positive_rates; n++) {
 194           scalar_t r = global.wanted_true_positive_rate *
 195             scalar_t(n + 1) / scalar_t(global.nb_wanted_true_positive_rates);
 196           cout << "Testint at tp " << r
 197                << " (" << n + 1 << "/" << global.nb_wanted_true_positive_rates << ")"
 198                << endl;
 199           (*global.log_stream) << "INFO THRESHOLD_FOR_TP " << r << endl;
 200           detector->compute_thresholds(validation_pool, r);
 201           print_decimated_error_rate(global.nb_levels - 1, test_pool, detector);
 202         }
 203       } else {
 204         cout << "No test image." << endl;
 205       }
 206     }
 207
 208     //////////////////////////////////////////////////////////////////////
 209
 210     else if(strcmp(new_argv[c], "write-detector") == 0) {
 211       cout << "-- WRITE DETECTOR ----------------------------------------------------" << endl;
 212       ofstream out(global.detector_name);
 213       if(out.fail()) {
 214         cerr << "Can not write to " << global.detector_name << endl;
 215         exit(1);
 216       }
 217       check(detector, "No detector available.");
 218       detector->write(&out);
 219     }
 220
 221     else if(strcmp(new_argv[c], "read-detector") == 0) {
 222       cout << "-- READ DETECTOR -----------------------------------------------------" << endl;
 223
 224       check(!detector, "Existing detector, can not load another one.");
 225
 226       ifstream in(global.detector_name);
 227       if(in.fail()) {
 228         cerr << "Can not read from " << global.detector_name << endl;
 229         exit(1);
 230       }
 231
 232       detector = new Detector();
 233       detector->read(&in);
 234     }
 235
 236     //////////////////////////////////////////////////////////////////////
 237
 238     else if(strcmp(new_argv[c], "write-pool-images") == 0) {
 239       cout << "-- WRITING POOL IMAGES -----------------------------------------------" << endl;
 240       check(global.nb_images > 0, "You must set nb_images to a positive value.");
 241       check(train_pool, "No train pool available.");
 242       write_pool_images_with_poses_and_referentials(train_pool, detector);
 243     }
 244
 245     //////////////////////////////////////////////////////////////////////
 246
 247     else {
 248       cerr << "Unknown action " << new_argv[c] << endl;
 249       exit(1);
 250     }
 251
 252     //////////////////////////////////////////////////////////////////////
 253
 254   }
 255
 256   delete detector;
 257
 258   delete train_pool;
 259   delete validation_pool;
 260   delete hierarchy_pool;
 261   delete test_pool;
 262
 263   delete main_pool;
 264
 265   cout << "-- FINISHED ----------------------------------------------------------" << endl;
 266
 267 }