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mlpdialog.cpp
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mlpdialog.cpp
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#include "mlpdialog.h"
#include "ui_mlpdialog.h"
#include <QSettings>
#include <opencv2/opencv.hpp>
#include <QMessageBox>
#include "SignRecognitionToolkit.h"
MLPDialog::MLPDialog(cv::PCA &p, QWidget *parent) :
QDialog(parent),
pca(p),
ui(new Ui::MLPDialog)
{
ui->setupUi(this);
InitUI();
}
MLPDialog::~MLPDialog()
{
delete ui;
}
void MLPDialog::on_comboBoxTrainingMethod_currentIndexChanged(int index)
{
if (index==0)
{
ui->label_param1->setText("bp_dw_scale");
ui->label_param2->setText("bp_moment_scale");
}
else
{
ui->label_param1->setText("rp_dw0");
ui->label_param2->setText("rp_dw_min");
}
}
void MLPDialog::on_buttonBox_accepted()
{
cv::ANN_MLP_TrainParams params = GetMLPParam();
cv::NeuralNet_MLP classifier;
int layers = ui->spinBoxLayers->value();
int eachLayerCount = ui->spinBoxEachLayerCounts->value();
cv::Mat samples;
cv::Mat response;
QSettings setting("config.ini",QSettings::IniFormat);
setting.beginGroup("Classifier");
QString mlpFile = setting.value("MLPClassifier").toString();
setting.endGroup();
setting.beginGroup("TrainDataConfig");
for (int i=0;i<ClassCount;++i)
{
QStringList stringList=setting.value(QString("Class")+QString::number(i)+"_Files").toStringList();
QString configPath = setting.value(QString("Class")+QString::number(i)+"_Config").toString();
std::vector<cv::Mat> some_samples= SignRecognitionToolkit::GetTrainImageCrops(stringList,configPath);
for (std::vector<cv::Mat>::iterator iter = some_samples.begin();iter!=some_samples.end();++iter)
{
cv::Mat feature = SignRecognitionToolkit::GetCropFeature(*iter,SignRecognitionToolkit::PAPER_63).clone();
samples.push_back(feature);
}
cv::Mat res(some_samples.size(),ClassCount,CV_32FC1);
for (int k=0;k<some_samples.size();++k)
{
float *p = res.ptr<float>(k);
for (int m=0;m<ClassCount;++m)
{
p[m] = m==i?1:0;
}
}
response.push_back(res);
}
setting.endGroup();
std::vector<int> layersize;
if (use_pca && pca_count<=63)
{
pca = cv::PCA(samples,cv::Mat(),CV_PCA_DATA_AS_ROW,pca_count);
samples = pca.project(samples);
std::cout<<"pca:"<<pca_count<<std::endl;
layersize.push_back(pca_count);
}
else
layersize.push_back(63);
layersize.insert(layersize.end(),layers,eachLayerCount);
layersize.push_back(ClassCount);
cv::Mat layerSizes(1,layersize.size(),CV_32SC1);
int *pMat = layerSizes.ptr<int>(0);
std::copy(layersize.begin(),layersize.end(),pMat);
std::cout<<layerSizes<<std::endl;
classifier.create(layerSizes,ui->comboBoxActivationFunction->currentIndex());
classifier.train(samples,response,cv::Mat(),cv::Mat(),params);
classifier.save(mlpFile.toStdString().c_str(),"mlp");
QMessageBox::information(this,tr("Completed!"),tr("Completed mlp training!"));
}
void MLPDialog::InitUI()
{
QSettings setting("config.ini",QSettings::IniFormat);
cv::NeuralNet_MLP classifier;
setting.beginGroup("Classifier");
QString mlpFile = setting.value("MLPClassifier").toString();
setting.endGroup();
if (mlpFile.isEmpty())
{
cv::Mat layerSizes=(cv::Mat_<int>(1,3) << 63,5,3);
classifier.create(layerSizes);
}
else
classifier.load(mlpFile.toStdString().c_str(),"mlp");
setting.beginGroup("TrainDataConfig");
bool isValid = false;
ClassCount = setting.value("Count").toInt(&isValid);
if (isValid==false || ClassCount <= 0)
{
QMessageBox::critical(this,tr("Train failed!"),tr("Training Data hasn't been set!"));
return;
}
setting.endGroup();
setting.beginGroup("PCA");
use_pca = setting.value("use_pca").toBool();
pca_count = setting.value("pca").toInt();
// if (pca_count<=ClassCount)
// {
// pca.computeVar(samples,cv::Mat(),CV_PCA_DATA_AS_ROW,pca_count);
// samples = pca.project(samples);
// }
setting.endGroup();
if (use_pca && pca_count<=63)
ui->lineEditInputLayerCount->setText(QString::number(pca_count));
else
ui->lineEditInputLayerCount->setText(QString::number(63));
ui->lineEditOutputLayerCount->setText(QString::number(ClassCount));
}
cv::ANN_MLP_TrainParams MLPDialog::GetMLPParam()
{
cv::ANN_MLP_TrainParams param;
param.train_method = ui->comboBoxTrainingMethod->currentIndex();
int term_crit = 0;
if (ui->checkBoxMax_iter->isChecked())
term_crit += CV_TERMCRIT_ITER;
if (ui->checkBoxEpsilon->isChecked())
term_crit += CV_TERMCRIT_EPS;
param.term_crit = cvTermCriteria( term_crit ,ui->lineEditMax_iter->text().toDouble(),ui->lineEditEpsilon->text().toDouble());
if (term_crit == cv::ANN_MLP_TrainParams::RPROP)
{
param.rp_dw0 = ui->lineEditParam1->text().toDouble();
param.rp_dw_min = ui->lineEditParam2->text().toDouble();
}
else
{
param.bp_dw_scale = ui->lineEditParam1->text().toDouble();
param.bp_moment_scale = ui->lineEditParam2->text().toDouble();
}
return param;
}