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data_factory_from_reid_multi.cpp
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data_factory_from_reid_multi.cpp
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#include "data_factory_from_reid_multi.h"
#include <stdio.h>
#include <string>
#include <time.h>
#include <iostream>
#include <fstream>
#include <dirent.h>
#include <boost/algorithm/string.hpp>
#include <vector>
#include <sstream>
#include <sys/stat.h>
#include <sys/types.h>
#include "boost/lexical_cast.hpp"
using namespace std;
using boost::lexical_cast;
void help()
{
system("clear");
cout << "***************************************************************************************************************************" << endl;
cout << " -stride [int]" << endl;
cout << " int < 0 (random images from cam b ARE NOT chronologically inserted)" << endl;
cout << " int = 0 (random images from cam b ARE chronologically inserted)" << endl;
cout << " int > 0 (images for persons are consecutively selected with a stride of int)"<< endl;
cout << " (If there are not enough images for one person, an stride between int-1 and 1 is selected)" << endl;
cout << " -seed [double] (double denotes a seed for random generation)" << endl;
cout << " -number_of_b_samples [int] (int denotes the number of samples for cam_b)" << endl;
cout << " -help (shows this menu)" << endl;
cout << "***************************************************************************************************************************" << endl;
}
void read_initial_parameters (int argc, char **argv, double* seed, int* number_of_b_samples, int* stride, bool* random_b_samples)
{
*seed=1234;
*number_of_b_samples = 5;
*stride = 1;
*random_b_samples = false;
for (int i=1; i<argc;i++)
{
string aux = lexical_cast<string>(argv[i]); // LEEMOS EL PARAMETRO i
// SI EL PARAMETRO COINCIDE CON LO QUE BUSCO ("-seed"), ENTONCES GUARDO EL SIGUIENTE PARAMETRO
// COMO MI VARIABLE (seed = argv[i+1]) transformando al tipo adecuado.
// Y HAGO i++ PARA EVITAR COMPARAR CON EL VALOR DEL PARAMETRO EN LA SIGUIENTE PASADA DEL BUCLE
if (aux == "-seed") {*seed = lexical_cast<double>(argv[i+1]); i++;}
if (aux == "-stride")
{
*stride = lexical_cast<int>(argv[i+1]); i++;
if(*stride <=0 )
*random_b_samples = true;
else
*random_b_samples = false;
}
if (aux == "-number_of_b_samples") {*number_of_b_samples = lexical_cast<int>(argv[i+1]); i++;}
if (aux == "-help") {help(); exit(1);}
}
string random_b_samples_s="false";
if (*random_b_samples) random_b_samples_s="true";
cout << "***************************************************************************************************************" << endl;
cout << "* Parameters summary:" << endl;
cout << "* " << endl;
cout << "***** random_b_samples = " << random_b_samples_s << endl;
if (*random_b_samples)
if (*stride < 0)
cout << "***** stride = " << *stride << " (Random images from cam b ARE NOT chronologically inserted)" << endl;
else
cout << "***** stride = " << *stride << " (Random Images from cam b ARE chronologically inserted)" << endl;
else
cout << "***** stride = " << *stride << " (images for persons are consecutively selected with this stride, if possible)" << endl;
cout << "***** number_of_b_samples = " << *number_of_b_samples << endl;
cout << "***** seed = " << *seed << endl;
cout << "***************************************************************************************************************" << endl;
srand(*seed);
cout << "Press INTRO to continue..."; // PARA LINUX
//cin.ignore(); //PARA WINDOWS
cin.get();
}
void get_multiple_samples(string dataset_folder, int pos , int len, int number_of_b_samples, int stride, bool random_b_samples){
//SAMPLES FOLDERS
char samples_folder[150], cam_a_folder[150], cam_b_folder[150];
strcpy(samples_folder, dataset_folder.c_str());
strcat(samples_folder, "/multi_shot");
strcpy(cam_a_folder, samples_folder);
strcat(cam_a_folder, "/cam_a");
strcpy(cam_b_folder, samples_folder);
strcat(cam_b_folder, "/cam_b");
//LIST OF FILES IN cam_a (random)
char file_cam_a_name[150];
strcpy(file_cam_a_name, dataset_folder.c_str());
strcat(file_cam_a_name, "/DATA/cam_a.txt");
ofstream file_cam_a(file_cam_a_name);
if (!file_cam_a.is_open())
cout<<"1. can not open "<<file_cam_a_name<<endl;
DIR *dir_a;
struct dirent *ent_a;
DIR *dir_a2;
struct dirent *ent_a2;
char file_cam_a_person[150];
vector <string> archivos;
int posicion;
vector <string> lines_file_a;
int random;
if ((dir_a = opendir (cam_a_folder)) != NULL) {
while ((ent_a = readdir (dir_a)) != NULL) {
string file= ent_a->d_name;
if(file!="." && file!=".."){
string label = file.substr (pos,len);
strcpy(file_cam_a_person, cam_a_folder);
strcat(file_cam_a_person, "/");
strcat(file_cam_a_person, file.c_str() );
if ((dir_a2 = opendir (file_cam_a_person)) != NULL) {
while ((ent_a2 = readdir (dir_a2)) != NULL) {
string file2= ent_a2->d_name;
if(file2!="." && file2!=".."){
archivos.push_back(file2);
}
}
closedir(dir_a2);
}
else
cout << "5. could not open directory: " << file_cam_a_person << endl;
posicion = rand() % archivos.size();
lines_file_a.push_back("cam_a/"+file+"/"+archivos[posicion] + " "+label);
archivos.clear();
}
}
int size_lines = lines_file_a.size();
for(int i=0; i<size_lines;i++)
{
random=rand() % lines_file_a.size();
file_cam_a<< lines_file_a[random] << endl;
lines_file_a.erase(lines_file_a.begin()+random);
}
lines_file_a.clear();
closedir (dir_a);
} else {
perror ("2. could not open directory");
}
file_cam_a.close();
//LIST OF FILES IN cam_b (random)
ofstream file_cam_b_list [number_of_b_samples];
string file_b_names [number_of_b_samples];
for (int i=0; i<number_of_b_samples; i++)
{
stringstream ss;
ss << i+1;
file_b_names[i] = dataset_folder + "/DATA/cam_b" + ss.str() + ".txt";
cout << file_b_names[i] << endl;
file_cam_b_list[i].open(file_b_names[i].c_str());
if (!file_cam_b_list[i].is_open())
cout<<"3. can not open "<<file_b_names[i]<<endl;
}
DIR *dir_b;
struct dirent *ent_b;
DIR *dir_b2;
struct dirent *ent_b2;
char file_cam_b_person[150];
vector <string> lines_file_b[number_of_b_samples];
string images_person [number_of_b_samples];
string aux;
if ((dir_b = opendir (cam_b_folder)) != NULL) {
while ((ent_b = readdir (dir_b)) != NULL) {
string file= ent_b->d_name;
if(file!="." && file!=".."){
string label = file.substr (pos,len);
strcpy(file_cam_b_person, cam_b_folder);
strcat(file_cam_b_person, "/");
strcat(file_cam_b_person, file.c_str() );
if ((dir_b2 = opendir (file_cam_b_person)) != NULL) {
while ((ent_b2 = readdir (dir_b2)) != NULL) {
string file2= ent_b2->d_name;
if(file2!="." && file2!=".."){
archivos.push_back(file2);
}
}
closedir(dir_b2);
}
else
cout << "5. could not open directory: " << file_cam_b_person << endl;
if(archivos.size()<number_of_b_samples)
{
cout << "There are less images than number_of_b_samples=" << number_of_b_samples << " for person " << file << endl;
cout << "Aborting..." << endl;
exit(1);
}
if(random_b_samples)
{
if(stride<0)
{
for(int i=0; i<number_of_b_samples ; i++)
{
posicion = rand() % archivos.size();
lines_file_b[i].push_back("cam_b/"+file+"/"+ archivos[posicion] +" "+label);
archivos.erase(archivos.begin()+posicion);
}
}
else
{
for(int i=0; i<number_of_b_samples ; i++)
{
posicion = rand() % archivos.size();
images_person[i]=archivos[posicion];
archivos.erase(archivos.begin()+posicion);
}
for(int i=0; i<number_of_b_samples; i++)
{
for(int j=0; j < number_of_b_samples-1; j++)
{
if(images_person[j]>images_person[j+1])
{
aux = images_person[j];
images_person[j]= images_person[j+1];
images_person[j+1] = aux;
}
}
}
for(int i=0; i<number_of_b_samples; i++)
{
lines_file_b[i].push_back("cam_b/"+file+"/"+ images_person[i] +" "+label);
}
}
}
else
{
int max_ini=0;
int stride_aux;
for(int i=0; i<stride && max_ini<=0 ; i++)
{
stride_aux= stride-i;
max_ini= archivos.size() - (stride_aux)*(number_of_b_samples-1);
}
int random1=(rand() % max_ini)+1;
string random_string;
for (int i=0; i<number_of_b_samples; i++)
{
random_string = lexical_cast<string>(random1);
if(random_string.size()==1)
{
random_string = "000"+ random_string + ".png";
}
else if(random_string.size()==2)
{
random_string = "00"+ random_string + ".png";
}
else if(random_string.size()==3)
{
random_string = "0"+ random_string + ".png";
}
else if(random_string.size()==4)
{
random_string = random_string + ".png";
}
lines_file_b[i].push_back("cam_b/"+file+"/"+ random_string +" "+label);
random1 = random1 + stride_aux;
bool encontrado=false;
for(int j=0; j<archivos.size() && encontrado==false; j++)
{
if(archivos[j]==random_string)
{
encontrado=true;
}
}
if(encontrado==false)
{
cout << "Error processing image " << random_string << endl;
cout << "Image " << random_string << " does not exist in folder " << "cam_b/" << file << "/" << endl << endl;
cout << "Aborting..." << endl;
exit(1);
}
}
}
archivos.clear();
}
}
int size_lines = lines_file_b[0].size();
for(int i=0; i<size_lines;i++)
{
random=rand() % lines_file_b[0].size();
for(int j=0; j<number_of_b_samples ; j++)
{
file_cam_b_list[j]<< lines_file_b[j][random] << endl;
lines_file_b[j].erase(lines_file_b[j].begin()+random);
}
}
for(int i=0; i < number_of_b_samples; i++)
{
lines_file_b[i].clear();
}
closedir (dir_b);
} else {
perror ("4. could not open directory");
}
for(int i=0; i<number_of_b_samples; i++)
file_cam_b_list[i].close();
}
void train_val_test_division_multiple(string dataset_folder, int a_samples_for_training, int b_samples_for_training, int repeated_samples_for_training, int val_percentage, int a_samples_for_testing, int b_samples_for_testing, int repeated_samples_for_testing, bool *tag, int number_b_sample){
char name_number_b_sample[10];
sprintf(name_number_b_sample,"%d",number_b_sample); //transforma: int--> char
int ratio;
if (val_percentage==0){
ratio=100+a_samples_for_training+b_samples_for_training;
}else{
ratio=int(100/val_percentage);
}
char file_cam_a_name[150], file_cam_a_train_name[150], file_cam_a_test_name[150], file_cam_a_val_name[150], file_cam_b_name[150], file_cam_b_train_name[150], file_cam_b_test_name[150], file_cam_b_val_name[150];
strcpy(file_cam_a_name, dataset_folder.c_str());
strcat(file_cam_a_name, "/DATA/cam_a.txt");
ifstream file_cam_a(file_cam_a_name);
if (!file_cam_a.is_open())
cout<<"1. can not open "<<file_cam_a_name<<endl;
strcpy(file_cam_a_train_name, dataset_folder.c_str());
strcat(file_cam_a_train_name, "/DATA/cam_a_train.txt");
strcpy(file_cam_a_val_name, dataset_folder.c_str());
strcat(file_cam_a_val_name, "/DATA/cam_a_val.txt");
strcpy(file_cam_a_test_name, dataset_folder.c_str());
strcat(file_cam_a_test_name, "/DATA/cam_a_test.txt");
strcpy(file_cam_b_name, dataset_folder.c_str());
strcat(file_cam_b_name, "/DATA/cam_b");
strcat(file_cam_b_name, name_number_b_sample);
strcat(file_cam_b_name, ".txt");
ifstream file_cam_b(file_cam_b_name);
if (!file_cam_b.is_open())
cout<<"5. can not open "<<file_cam_b_name<<endl;
strcpy(file_cam_b_train_name, dataset_folder.c_str());
strcat(file_cam_b_train_name, "/DATA/cam_b");
strcat(file_cam_b_train_name, name_number_b_sample);
strcat(file_cam_b_train_name, "_train.txt");
ofstream file_cam_b_train(file_cam_b_train_name);
if (!file_cam_b_train.is_open())
cout<<"6. can not open "<<file_cam_b_train_name<<endl;
strcpy(file_cam_b_val_name, dataset_folder.c_str());
strcat(file_cam_b_val_name, "/DATA/cam_b");
strcat(file_cam_b_val_name, name_number_b_sample);
strcat(file_cam_b_val_name, "_val.txt");
ofstream file_cam_b_val(file_cam_b_val_name);
if (!file_cam_b_val.is_open())
cout<<"7. can not open "<<file_cam_b_val_name<<endl;
strcpy(file_cam_b_test_name, dataset_folder.c_str());
strcat(file_cam_b_test_name, "/DATA/cam_b");
strcat(file_cam_b_test_name, name_number_b_sample);
strcat(file_cam_b_test_name, "_test.txt");
ofstream file_cam_b_test(file_cam_b_test_name);
if (!file_cam_b_test.is_open())
cout<<"8. can not open "<<file_cam_b_test_name<<endl;
string linea, sample_a, sample_b, label_a, label_b;
if(*tag==true)
{
ofstream file_cam_a_train(file_cam_a_train_name);
if (!file_cam_a_train.is_open())
cout<<"2. can not open "<<file_cam_a_train_name<<endl;
ofstream file_cam_a_val(file_cam_a_val_name);
if (!file_cam_a_val.is_open())
cout<<"3. can not open "<<file_cam_a_val_name<<endl;
ofstream file_cam_a_test(file_cam_a_test_name);
if (!file_cam_a_test.is_open())
cout<<"4. can not open "<<file_cam_a_test_name<<endl;
int count_a_tr=1;
int count_a_ts=1;
while(count_a_tr<=a_samples_for_training || count_a_ts<=a_samples_for_testing)
{
file_cam_a>> sample_a >> label_a;
while(getline (file_cam_a,linea)){
if(count_a_tr <= a_samples_for_training){//search samples for training or validation
if(count_a_tr%ratio==0){//validation
if(count_a_tr<=repeated_samples_for_training){
bool is_repeated=false;
ifstream file_cam_b_aux(file_cam_b_name);
if (!file_cam_b_aux.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
file_cam_b_aux>> sample_b >> label_b;
while(getline (file_cam_b_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_b_aux>> sample_b >> label_b;
}
file_cam_b_aux.close();
if(is_repeated){
file_cam_a_val<<sample_a<<" "<<label_a<<"\n";
count_a_tr++;
}else{
if(count_a_ts<=a_samples_for_testing){
if(count_a_ts<=repeated_samples_for_testing){
bool is_repeated=false;
ifstream file_cam_b_aux(file_cam_b_name);
if (!file_cam_b_aux.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
file_cam_b_aux>> sample_b >> label_b;
while(getline (file_cam_b_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_b_aux>> sample_b >> label_b;
}
file_cam_b_aux.close();
if(is_repeated){
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}else{
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}
}
}else{
file_cam_a_val<<sample_a<<" "<<label_a<<"\n";
count_a_tr++;
}
}else{//training
if(count_a_tr<=repeated_samples_for_training){
bool is_repeated=false;
ifstream file_cam_b_aux(file_cam_b_name);
if (!file_cam_b_aux.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
file_cam_b_aux>> sample_b >> label_b;
while(getline (file_cam_b_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_b_aux>> sample_b >> label_b;
}
file_cam_b_aux.close();
if(is_repeated){
file_cam_a_train<<sample_a<<" "<<label_a<<"\n";
count_a_tr++;
}else{
if(count_a_ts<=a_samples_for_testing){
if(count_a_ts<=repeated_samples_for_testing){
bool is_repeated=false;
ifstream file_cam_b_aux(file_cam_b_name);
if (!file_cam_b_aux.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
file_cam_b_aux>> sample_b >> label_b;
while(getline (file_cam_b_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_b_aux>> sample_b >> label_b;
}
file_cam_b_aux.close();
if(is_repeated){
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}else{
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}
}
}else{
file_cam_a_train<<sample_a<<" "<<label_a<<"\n";
count_a_tr++;
}
}
}else{//search samples for testing
if(count_a_ts<=a_samples_for_testing){
if(count_a_ts<=repeated_samples_for_testing){
bool is_repeated=false;
ifstream file_cam_b_aux(file_cam_b_name);
if (!file_cam_b_aux.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
file_cam_b_aux>> sample_b >> label_b;
while(getline (file_cam_b_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_b_aux>> sample_b >> label_b;
}
file_cam_b_aux.close();
if(is_repeated){
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}else{
file_cam_a_test<<sample_a<<" "<<label_a<<"\n";
count_a_ts++;
}
}
}
file_cam_a>> sample_a >> label_a;
}
file_cam_a.close();
file_cam_a.open(file_cam_a_name);
if (!file_cam_a.is_open())
cout<<"can not open "<<file_cam_a_name<<endl;
}
file_cam_a_train.close();
file_cam_a_test.close();
file_cam_a_val.close();
file_cam_a.close();
*tag=false;
}
int count_b_tr=1;
int count_b_ts=1;
while(count_b_tr<=b_samples_for_training || count_b_ts<=b_samples_for_testing){
file_cam_b>> sample_b >> label_b;
while(getline (file_cam_b,linea)){
if(count_b_tr <= b_samples_for_training){//search samples for training
if(count_b_tr<=repeated_samples_for_training){
bool is_repeated=false;
ifstream file_cam_a_aux(file_cam_a_train_name);
if (!file_cam_a_aux.is_open())
cout<<"can not open "<<file_cam_a_train_name<<endl;
file_cam_a_aux>> sample_a >> label_a;
while(getline (file_cam_a_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_a_aux>> sample_a >> label_a;
}
file_cam_a_aux.close();
if(is_repeated){
file_cam_b_train<<sample_b<<" "<<label_b<<"\n";
count_b_tr++;
}else{
file_cam_a_aux.open(file_cam_a_val_name);
if (!file_cam_a_aux.is_open())
cout<<"can not open "<<file_cam_a_val_name<<endl;
file_cam_a_aux>> sample_a >> label_a;
while(getline (file_cam_a_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_a_aux>> sample_a >> label_a;
}
file_cam_a_aux.close();
if(is_repeated){
file_cam_b_val<<sample_b<<" "<<label_b<<"\n";
count_b_tr++;
}else{
if(count_b_ts<=b_samples_for_testing){
if(count_b_ts<=repeated_samples_for_testing){
bool is_repeated=false;
ifstream file_cam_a_aux(file_cam_a_test_name);
if (!file_cam_a_aux.is_open())
cout<<"can not open "<<file_cam_a_test_name<<endl;
file_cam_a_aux>> sample_a >> label_a;
while(getline (file_cam_a_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_a_aux>> sample_a >> label_a;
}
file_cam_a_aux.close();
if(is_repeated){
file_cam_b_test<<sample_b<<" "<<label_b<<"\n";
count_b_ts++;
}
}else{
file_cam_b_test<<sample_b<<" "<<label_b<<"\n";
count_b_ts++;
}
}
}
}
}else{
if(count_b_tr%ratio==0){
file_cam_b_val<<sample_b<<" "<<label_b<<"\n";
}else{
file_cam_b_train<<sample_b<<" "<<label_b<<"\n";
}
count_b_tr++;
}
}else{//searching samples for testing
if(count_b_ts<=b_samples_for_testing){
if(count_b_ts<=repeated_samples_for_testing){
bool is_repeated=false;
ifstream file_cam_a_aux(file_cam_a_test_name);
if (!file_cam_a_aux.is_open())
cout<<"can not open "<<file_cam_a_test_name<<endl;
file_cam_a_aux>> sample_a >> label_a;
while(getline (file_cam_a_aux,linea)){
if(label_a==label_b){
is_repeated=true;
}
file_cam_a_aux>> sample_a >> label_a;
}
file_cam_a_aux.close();
if(is_repeated){
file_cam_b_test<<sample_b<<" "<<label_b<<"\n";
count_b_ts++;
}
}else{
file_cam_b_test<<sample_b<<" "<<label_b<<"\n";
count_b_ts++;
}
}
}
file_cam_b>> sample_b >> label_b;
}
file_cam_b.close();
file_cam_b.open(file_cam_b_name);
if (!file_cam_b.is_open())
cout<<"can not open "<<file_cam_b_name<<endl;
}
file_cam_b.close();
file_cam_b_train.close();
file_cam_b_test.close();
file_cam_b_val.close();
}
void create_pair_data_multiple(string dataset_folder, int trainset_size, int valset_size, int np, int nn, int number_b_sample){
char name_number_b_sample[10];
sprintf(name_number_b_sample,"%d",number_b_sample); //int--> cadena
//DATA FOLDER
char data_folder[150];
strcpy(data_folder, dataset_folder.c_str());
strcat(data_folder, "/DATA");
int e=mkdir(data_folder, ACCESSPERMS);
//DATA PAIRS FOLDER
char data_pair_folder[150];
strcpy(data_pair_folder, data_folder);
strcat(data_pair_folder, "/PAIR");
int ePAIR=mkdir(data_pair_folder, ACCESSPERMS);
//train data sets----------------------------------------------------------------------------------------------------
char file_cam_a_train_name[150], file_cam_b_train_name[150], file_a_train_name[150], file_b_train_name[150];
strcpy(file_cam_a_train_name, data_folder);
strcat(file_cam_a_train_name, "/cam_a_train.txt");
ifstream file_cam_a_train(file_cam_a_train_name);
if (!file_cam_a_train.is_open())
cout<<"1. can not open "<<file_cam_a_train_name<<endl;
strcpy(file_cam_b_train_name, data_folder);
strcat(file_cam_b_train_name, "/cam_b");
strcat(file_cam_b_train_name, name_number_b_sample);
strcat(file_cam_b_train_name, "_train.txt");
ifstream file_cam_b_train(file_cam_b_train_name);
if (!file_cam_b_train.is_open())
cout<<"2. can not open "<<file_cam_b_train_name<<endl;
strcpy(file_a_train_name, data_pair_folder);
strcat(file_a_train_name, "/train_a.txt");
ofstream file_train_a(file_a_train_name);
if (!file_train_a.is_open())
cout<<"3. can not open "<<file_a_train_name<<endl;
strcpy(file_b_train_name, data_pair_folder);
strcat(file_b_train_name, "/train_b");
strcat(file_b_train_name, name_number_b_sample);
strcat(file_b_train_name, ".txt");
ofstream file_train_b(file_b_train_name);
if (!file_train_b.is_open())
cout<<"4. can not open "<<file_b_train_name<<endl;
//max id in train_a
string line;
int max_id_a=0;
while ( std::getline (file_cam_a_train,line))//
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
if(id>max_id_a)
max_id_a=id;
}
file_cam_a_train.close();
//max id in train_b
int max_id_b=0;
while ( std::getline (file_cam_b_train,line))//
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
if(id>max_id_b)
max_id_b=id;
}
file_cam_b_train.close();
file_cam_a_train.open(file_cam_a_train_name);
if (!file_cam_a_train.is_open())
cout<<"can not open "<<file_cam_a_train_name<<endl;
file_cam_b_train.open(file_cam_b_train_name);
if (!file_cam_b_train.is_open())
cout<<"can not open "<<file_cam_b_train_name<<endl;
//vectors WITH THE SAMPLES NAMES train A and B
vector<string> samples_train_a, samples_train_b;
samples_train_a.resize(max_id_a);
samples_train_b.resize(max_id_b);
while ( std::getline (file_cam_a_train,line))
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
samples_train_a[id-1]=line;
}
file_cam_a_train.close();
while ( std::getline (file_cam_b_train,line))
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
samples_train_b[id-1]=line;
}
file_cam_b_train.close();
//positive and negative matrixes
vector< vector<string> > positive_train_pairs, negative_train_pairs;
positive_train_pairs.resize(max_id_a);
negative_train_pairs.resize(max_id_a * max_id_b);
for(int i=0; i<max_id_a; i++){
string sample_a=samples_train_a[i];
string sample_b=samples_train_b[i];
if(!sample_a.empty() && !sample_b.empty()){
vector<string> pair;
pair.resize(2);
pair[0]=sample_a;
pair[1]=sample_b;
positive_train_pairs[i]=pair;
}
}
for(int a=0; a<max_id_a; a++){
string sample_a=samples_train_a[a];
if(!sample_a.empty()){
for(int b=0; b<max_id_b; b++){
string sample_b=samples_train_b[b];
if(!sample_b.empty() && a!=b){
vector<string> pair;
pair.push_back(sample_a);
pair.push_back(sample_b);
int idx=a*max_id_b+b;
negative_train_pairs[idx]=pair;
}
}
}
}
int n_pair=0;
while(n_pair<trainset_size){
cout<<n_pair<<endl;
int p=0;
while(p<np){
int randIndex= rand()%min(max_id_a, max_id_b);
vector<string> pair=positive_train_pairs[randIndex];
if(!pair.empty()){
string sample_a=pair[0];
string sample_b=pair[1];
file_train_a<<sample_a<<"\n";
file_train_b<<sample_b<<"\n";
p++;
n_pair++;
cout<<n_pair<<endl;
}
}
int n=0;
while(n<nn){
int randIndex= rand()%(max_id_a*max_id_b);
vector<string> pair=negative_train_pairs[randIndex];
if(!pair.empty()){
string sample_a=pair[0];
string sample_b=pair[1];
file_train_a<<sample_a<<"\n";
file_train_b<<sample_b<<"\n";
n++;
n_pair++;
cout<<n_pair<<endl;
}
}
cout<<n_pair<<endl;
}
file_train_a.close();
file_train_b.close();
//val data sets----------------------------------------------------------------------------------------------------
char file_cam_a_val_name[150], file_cam_b_val_name[150], file_a_val_name[150], file_b_val_name[150];
strcpy(file_cam_a_val_name, data_folder);
strcat(file_cam_a_val_name, "/cam_a_val.txt");
ifstream file_cam_a_val(file_cam_a_val_name);
if (!file_cam_a_val.is_open())
cout<<"1. can not open "<<file_cam_a_val_name<<endl;
strcpy(file_cam_b_val_name, data_folder);
strcat(file_cam_b_val_name, "/cam_b");
strcat(file_cam_b_val_name, name_number_b_sample);
strcat(file_cam_b_val_name, "_val.txt");
ifstream file_cam_b_val(file_cam_b_val_name);
if (!file_cam_b_val.is_open())
cout<<"2. can not open "<<file_cam_b_val_name<<endl;
strcpy(file_a_val_name, data_pair_folder);
strcat(file_a_val_name, "/val_a.txt");
ofstream file_val_a(file_a_val_name);
if (!file_val_a.is_open())
cout<<"3. can not open "<<file_a_val_name<<endl;
strcpy(file_b_val_name, data_pair_folder);
strcat(file_b_val_name, "/val_b");
strcat(file_b_val_name, name_number_b_sample);
strcat(file_b_val_name, ".txt");
ofstream file_val_b(file_b_val_name);
if (!file_val_b.is_open())
cout<<"4. can not open "<<file_b_val_name<<endl;
//max id in val_a
max_id_a=0;
while ( std::getline (file_cam_a_val,line))//
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
if(id>max_id_a)
max_id_a=id;
}
file_cam_a_val.close();
//max id in val_b
max_id_b=0;
while ( std::getline (file_cam_b_val,line))//
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
if(id>max_id_b)
max_id_b=id;
}
file_cam_b_val.close();
file_cam_a_val.open(file_cam_a_val_name);
if (!file_cam_a_val.is_open())
cout<<"can not open "<<file_cam_a_val_name<<endl;
file_cam_b_val.open(file_cam_b_val_name);
if (!file_cam_b_val.is_open())
cout<<"can not open "<<file_cam_b_val_name<<endl;
//vectors WITH THE SAMPLES NAMES val A and B
vector<string> samples_val_a, samples_val_b;
samples_val_a.resize(max_id_a);
samples_val_b.resize(max_id_b);
while ( std::getline (file_cam_a_val,line))
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
samples_val_a[id-1]=line;
}
file_cam_a_val.close();
while ( std::getline (file_cam_b_val,line))
{
std::stringstream ss;
ss.str(line);
std::vector<std::string> strs;
boost::split(strs, line, boost::is_any_of(" "));
int id=atoi(strs[1].c_str());
samples_val_b[id-1]=line;
}
file_cam_b_val.close();
//positive and negative matrixes
vector< vector<string> > positive_val_pairs, negative_val_pairs;
positive_val_pairs.resize(min(max_id_a, max_id_b));
negative_val_pairs.resize(max_id_a * max_id_b);
for(int i=0; i<max_id_a; i++){
string sample_a=samples_val_a[i];
string sample_b=samples_val_b[i];
if(!sample_a.empty() && !sample_b.empty()){
vector<string> pair;
pair.push_back(sample_a);
pair.push_back(sample_b);
positive_val_pairs[i]=pair;
}
}
for(int a=0; a<max_id_a; a++){
string sample_a=samples_val_a[a];
if(!sample_a.empty()){
for(int b=0; b<max_id_b; b++){
string sample_b=samples_val_b[b];
if(!sample_b.empty() && a!=b){
vector<string> pair;
pair.push_back(sample_a);
pair.push_back(sample_b);
negative_val_pairs[a*max_id_b+b]=pair;
}
}
}
}
n_pair=0;
while(n_pair<valset_size){
int p=0;
while(p<np){
int randIndex= rand()%min(max_id_a, max_id_b);
vector<string> pair=positive_val_pairs[randIndex];
if(!pair.empty()){
string sample_a=pair[0];
string sample_b=pair[1];
file_val_a<<sample_a<<"\n";
file_val_b<<sample_b<<"\n";
p++;
n_pair++;
}
}
int n=0;
while(n<nn){
int randIndex= rand()%(max_id_a*max_id_b);
vector<string> pair=negative_val_pairs[randIndex];
if(!pair.empty()){
string sample_a=pair[0];
string sample_b=pair[1];
file_val_a<<sample_a<<"\n";
file_val_b<<sample_b<<"\n";
n++;
n_pair++;
}
}
cout<<n_pair<<endl;
}
file_val_a.close();
file_val_b.close();
}
void create_pair_data_multiple_remaining(string dataset_folder, int number_b_sample)
{
char name_number_b_sample[10];
sprintf(name_number_b_sample,"%d",number_b_sample); //int--> cadena
//DATA FOLDER
char data_folder[150];
strcpy(data_folder, dataset_folder.c_str());
strcat(data_folder, "/DATA");
int e=mkdir(data_folder, ACCESSPERMS);
//DATA PAIRS FOLDER
char data_pair_folder[150];
strcpy(data_pair_folder, data_folder);
strcat(data_pair_folder, "/PAIR");
int ePAIR=mkdir(data_pair_folder, ACCESSPERMS);
//train data sets----------------------------------------------------------------------------------------------------
char file_bn_train_name[150], file_cam_bn_train_name[150], file_b_train_name[150];
strcpy(file_b_train_name, data_pair_folder);
strcat(file_b_train_name, "/train_b1.txt");
ifstream file_train_b(file_b_train_name);
if (!file_train_b.is_open())
cout<<"1. can not open "<<file_b_train_name<<endl;
strcpy(file_cam_bn_train_name, data_folder);
strcat(file_cam_bn_train_name, "/cam_b");
strcat(file_cam_bn_train_name, name_number_b_sample);
strcat(file_cam_bn_train_name, "_train.txt");
ifstream file_cam_bn_train(file_cam_bn_train_name);
if (!file_cam_bn_train.is_open())