vv/vvDeformationDialog.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://www.centreleonberard.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17 ===========================================================================**/
  18 #include <vector>
  19 #include <QComboBox>
  20 #include <QThread>
  21 #include <QFileDialog>
  22 #include <QProgressDialog>
  23 #include <QMessageBox>
  24 #include <QFileInfo>
  25
  26 #include <itkImage.h>
  27 #include <itkWarpImageFilter.h>
  28 #include <itkJoinSeriesImageFilter.h>
  29 #include <itkImageFileReader.h>
  30 #include <itkSubtractImageFilter.h>
  31 #include <itkDisplacementFieldJacobianDeterminantFilter.h>
  32
  33
  34 #include <vtksys/SystemTools.hxx>
  35 #include <itksys/SystemTools.hxx>
  36
  37 #include "clitkCommon.h"
  38
  39 #include "vvDeformationDialog.h"
  40 #include "vvDeformableRegistration.h"
  41 #include "vvSlicer.h"
  42 #include "vvToITK.h"
  43 #include "vvFromITK.h"
  44 #include "vvSlicerManager.h"
  45
  46 vvSlicerManager * vvDeformationDialog::GetSelectedSlicer() const
  47 {
  48   return mSlicerManagers[inputSequenceBox->currentIndex()];
  49 }
  50
  51 int vvDeformationDialog::GetReferenceFrameIndex() const
  52 {
  53   return refImageSlider->value();
  54 }
  55
  56 vvDeformationDialog::vvDeformationDialog(int initialSlicer,const std::vector<vvSlicerManager*>& slicerManagers)
  57   : mSlicerManagers(slicerManagers)
  58 {
  59   setupUi(this);
  60   connect(this,SIGNAL(accepted()),this,SLOT(computeDeformationField()));
  61   for (unsigned int i=0; i<slicerManagers.size(); i++)
  62     inputSequenceBox->addItem(vtksys::SystemTools::GetFilenameName(slicerManagers[i]->GetFileName()).c_str());
  63   connect(inputSequenceBox,SIGNAL(currentIndexChanged(int)),this,SLOT(resetSlider(int)));
  64   connect(refImageSlider,SIGNAL(valueChanged(int)),this,SLOT(updateSliderLabel(int)));
  65   connect(outputPushButton, SIGNAL(clicked()), this, SLOT(selectOutputFile()));
  66   inputSequenceBox->setCurrentIndex(initialSlicer);
  67   resetSlider(initialSlicer);
  68
  69   //Compute ideal number of threads and update dialog accordingly
  70   int best_thread=QThread::idealThreadCount();
  71   threadSpin->setValue(best_thread);
  72
  73 }
  74
  75 void vvDeformationDialog::selectOutputFile()
  76 {
  77   QString Extensions = "MHD Images( *.mhd);;";
  78   QString fileName = QFileDialog::getSaveFileName(this,
  79                      tr("Save As"),
  80                      itksys::SystemTools::GetFilenamePath(
  81                        mSlicerManagers[inputSequenceBox->currentIndex()]->GetFileName()).c_str(),
  82                      Extensions);
  83   outputLineEdit->setText(fileName);
  84 }
  85
  86 void vvDeformationDialog::updateSliderLabel(int refimage)
  87 {
  88   QString count;
  89   count.setNum(refimage); //Normal people start counting at 1...
  90   QString newlabel="Reference Image (";
  91   newlabel+=count;
  92   newlabel+=")";
  93   refImageLabel->setText(newlabel);
  94 }
  95
  96 void vvDeformationDialog::resetSlider(int slicer_index)
  97 {
  98   refImageSlider->setRange(0,mSlicerManagers[slicer_index]->GetSlicer(0)->GetImage()->GetSize()[3]-1);
  99   int refimage=mSlicerManagers[slicer_index]->GetSlicer(0)->GetTSlice();
 100   refImageSlider->setSliderPosition(refimage);
 101   updateSliderLabel(refimage);
 102 }
 103
 104 void vvDeformationDialog::computeDeformationField()
 105 {
 106   vvImage::Pointer sequence=mSlicerManagers[inputSequenceBox->currentIndex()]->GetSlicer(0)->GetImage();
 107   vtkImageData * first_image = sequence->GetVTKImages()[0];
 108   if (!sequence->IsTimeSequence()) {
 109     this->setResult(QDialog::Rejected);
 110     QMessageBox::warning(this,tr("Image type error"), tr("Deformable image registration only makes sense on time sequences."));
 111   } else if ((first_image->GetSpacing()[0] != first_image->GetSpacing()[1]) || (first_image->GetSpacing()[0] != first_image->GetSpacing()[2])) {
 112     this->setResult(QDialog::Rejected);
 113     QMessageBox::warning(this,tr("Image type error"), tr("Deformable registration only works well with isotropic voxels. Please resample the image."));
 114     return;
 115   } else {
 116     bool aborted=false;
 117     QProgressDialog progress(this);
 118     QProgressDialog cancel(this);
 119     cancel.setLabelText("Canceling, please wait...");
 120     cancel.setCancelButtonText(0);
 121     cancel.hide();
 122     //1 step per registration plus one for each of the image conversions
 123     progress.setMaximum(mSlicerManagers[inputSequenceBox->currentIndex()]
 124                         ->GetSlicer(0)->GetImage()->GetSize()[3]+2);
 125     progress.setLabelText("Computing deformation model...");
 126     progress.setMinimumDuration(0);
 127     progress.setWindowModality(Qt::WindowModal);
 128     progress.setCancelButtonText("Cancel");
 129     qApp->processEvents();
 130     QFileInfo info(outputLineEdit->text().toStdString().c_str());
 131     if (info.isRelative()) { //this is a bit hackish, but should work
 132       QFileInfo im_info(mSlicerManagers[inputSequenceBox->currentIndex()]->GetFileName().c_str());
 133       outputLineEdit->setText((im_info.path().toStdString() + "/" + outputLineEdit->text().toStdString()).c_str());
 134     }
 135     vvDeformableRegistration registrator(sequence,refImageSlider->value(), iterSpin->value(),threadSpin->value(), alphaSpin->value(), sigmaSpin->value(),outputLineEdit->text().toStdString(),stopSpin->value());
 136     registrator.start();
 137     while (!registrator.isFinished()) {
 138       if (progress.wasCanceled() && !aborted) {
 139         this->setResult(QDialog::Rejected);
 140         registrator.abort();
 141         aborted=true;
 142         progress.hide();
 143         cancel.show();
 144       }
 145       if (!aborted)
 146         progress.setValue(registrator.getProgress());
 147       qApp->processEvents();
 148       registrator.wait(50);
 149     }
 150     if (!aborted) {
 151       mOutput=registrator.getOutput();
 152     }
 153   }
 154 }