modify screenshot for ubuntu installation

v1.2 README!!!!!!!

README.md

@@ -1,10 +1,12 @@
-# Yolo_Label
+# YOLO-Label
 
-## Advertisement
+## Sponsors
 
-[plotbbox](https://github.com/developer0hye/plotbbox) : A Python package to plot pretty bounding boxes on image
+- AIM(https://www.aimdefence.com/)
+<a href="https://www.aimdefence.com/">
+ <img src="https://user-images.githubusercontent.com/35001605/143895639-79b0b6b1-365f-4132-b272-f161d3ef5cb4.png" width="200">
+</a>
 
-[YOLOv3Tiny](https://github.com/developer0hye/YOLOv3Tiny) : PyTorch based YOLOv3Tiny implementation
 
 ## WHAT IS THIS?!
  Reinventing The Wheel?!!!!
@@ -31,11 +33,11 @@ But... I've reinvented one...
 
  It's the **SENSITIVE** image-labeling tool for object detection!
  
-![image](https://user-images.githubusercontent.com/35001605/47644151-bd369c80-dbb0-11e8-9505-d7ada78911c2.png)
+![image](https://user-images.githubusercontent.com/35001605/211553495-66e81a7d-df00-44ca-82e4-966000cddbd1.png)
 
-![ezgif-5-85c0613befb3](https://user-images.githubusercontent.com/35001605/47693025-3d094900-dc3b-11e8-9d96-ea2f7e37cf7a.gif)
+https://user-images.githubusercontent.com/35001605/211560039-367f27d7-63ab-4342-824e-9f47f2afbc35.mp4
 
-![ezgif-5-c57fe634145b](https://user-images.githubusercontent.com/35001605/47693028-3f6ba300-dc3b-11e8-9e22-70c448d59398.gif)
+![cut (2)](https://user-images.githubusercontent.com/35001605/143729909-b2da3669-020a-4769-ab1d-2646dd7bbb6b.gif)
 
  ## HMM... I SAW THIS DESIGN SOMEWHERE
   I refer to [the website of Joseph Redmon](https://pjreddie.com/darknet/
@@ -50,7 +52,7 @@ But... I've reinvented one...
 
 ### For Windows
 
-2. Download [YOLOLabel_20211126_v1.0](https://github.com/developer0hye/Yolo_Label/releases/download/v1.0.0/YoloLabel_v1.0.0.zip)
+2. Download [YOLOLabel_v1.2.1.zip](https://github.com/developer0hye/Yolo_Label/releases/download/v1.2.1/YoloLabel_v1.2.1.zip)
 
 3. Unzip
 
@@ -58,6 +60,27 @@ But... I've reinvented one...
 
 ![image](https://user-images.githubusercontent.com/35001605/111152300-e74b5680-85d3-11eb-8df7-178148548c12.png)
 
+### For Ubuntu 22.04
+
+2. Download [YOLOLabel_v1.2.1.tar](https://github.com/developer0hye/Yolo_Label/releases/download/v1.2.1/YoloLabel_v1.2.1.tar)
+
+3. Unzip and download libraries
+```
+tar -xvf YoloLabel_v1.2.1.tar
+sudo apt update
+sudo apt-get install -y libgl1-mesa-dev
+sudo apt-get install libxcb-*
+sudo apt-get install libxkb*
+```
+
+4. Run YoloLabel.sh
+```
+./YoloLabel.sh
+```
+
+![image](https://user-images.githubusercontent.com/35001605/212230332-7e62bc50-7440-45c8-afc3-faebc0b31318.png)
+
+
 ### For macOS
 
 2. Clone or download the source code of this repository
@@ -86,11 +109,11 @@ yourMacOS:Yolo_Label you$ ./YoloLabel.app/MacOS/YoloLabel
 
 3. Run Yolo Label!
 
-![image](https://user-images.githubusercontent.com/35001605/47644151-bd369c80-dbb0-11e8-9505-d7ada78911c2.png)
+![image](https://user-images.githubusercontent.com/35001605/143729836-b2ee1188-f829-473f-aff0-d13569b3fc39.png)
 
 4. Click the button 'Open Files' and open the folder with the images and the file('*'.names or '*'.txt) with the names of the objects.
 
- ![image](https://user-images.githubusercontent.com/35001605/47694149-d20e4100-dc3f-11e8-9d97-fba87a6e1b5a.png)
+![image](https://user-images.githubusercontent.com/35001605/211560758-f119f562-9462-4ebe-86fa-a9c169b18993.png)
 
 5. And... Label!... Welcome to Hell... I really hate this work in the world.
 
@@ -124,6 +147,8 @@ To minimize wrist strain when labeling, I adopted the method **"twice left butto
 | `D,  Space` | Save and Next Image |
 | `S` | Next Label <br> ![ezgif-5-f7ee77cd24c3](https://user-images.githubusercontent.com/35001605/47703190-d3049a00-dc62-11e8-846f-5bd91e98bdbc.gif)  |
 | `W` | Prev Label <br> ![ezgif-5-ee915c66dad8](https://user-images.githubusercontent.com/35001605/47703191-d39d3080-dc62-11e8-800b-986ec214b80c.gif)  |
+| `O` | Open Files |
+| `V` | Visualize Calss Name |
 | `Ctrl + S` | Save |
 | `Ctrl + C` | Delete all existing bounding boxes in the image |
 | `Ctrl + D` | Delete current image |
@@ -138,6 +163,8 @@ To minimize wrist strain when labeling, I adopted the method **"twice left butto
 
 ### Remove
 
+It was replaced by the shortcut **Ctrl + D**.
+
 ![ezgif-2-90fb8205437e](https://user-images.githubusercontent.com/35001605/49983945-fbddb600-ffa8-11e8-9672-f7b71e4e603b.gif)
 
 ## ETC
@@ -147,10 +174,13 @@ You can access all image by moving horizontal slider bar. But when you control h
 ![ezgif-5-53abf38b3387](https://user-images.githubusercontent.com/35001605/47708528-97bd9780-dc71-11e8-94f1-5ee23776d5fe.gif)
 
 # CONCLUSIONS
+
 I've reinvented the wheel.
+
 ![dont-reinvent-the-wheel](https://user-images.githubusercontent.com/35001605/47709289-46160c80-dc73-11e8-8ef6-6af3a3c52403.jpg)
 
 # TO DO LISTS
+
 Upload binary file for easy usage for windows and ubuntu
 
 deployment for ubuntu

YoloLabel.pro

@@ -20,7 +20,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-CONFIG += c++11
+CONFIG += c++1z
 
 SOURCES += \
         main.cpp \

label_img.cpp

@@ -2,6 +2,8 @@
 #include <QPainter>
 #include <QImageReader>
 #include <math.h>       /* fabs */
+#include <algorithm>
+//#include <omp.h>
 
 using std::ifstream;
 
@@ -123,6 +125,8 @@ void label_img::openImage(const QString &qstrImg, bool &ret)
 
         m_inputImg          = img.copy();
         m_inputImg          = m_inputImg.convertToFormat(QImage::Format_RGB888);
+        m_resized_inputImg  = m_inputImg.scaled(this->width(), this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation)
+                .convertToFormat(QImage::Format_RGB888);
 
         m_bLabelingStarted  = false;
 
@@ -143,10 +147,22 @@ void label_img::openImage(const QString &qstrImg, bool &ret)
 void label_img::showImage()
 {
     if(m_inputImg.isNull()) return;
+    if(m_resized_inputImg.width() != this->width() or m_resized_inputImg.height() != this->height())
+    {
+        m_resized_inputImg = m_inputImg.scaled(this->width(), this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation)
+                .convertToFormat(QImage::Format_RGB888);
+    }
 
-    QImage imageOnUi = m_inputImg.scaled(this->width(), this->height(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation);
+    QImage img = m_resized_inputImg;
 
-    QPainter painter(&imageOnUi);
+    gammaTransform(img);
+
+    QPainter painter(&img);
+    QFont font = painter.font();
+    int fontSize = 16, xMargin = 5, yMargin = 2;
+    font.setPixelSize(fontSize);
+    font.setBold(true);
+    painter.setFont(font);
 
     int penThick = 3;
 
@@ -155,8 +171,10 @@ void label_img::showImage()
     drawCrossLine(painter, crossLineColor, penThick);
     drawFocusedObjectBox(painter, Qt::magenta, penThick);
     drawObjectBoxes(painter, penThick);
+    if(m_bVisualizeClassName)
+        drawObjectLabels(painter, penThick, fontSize, xMargin, yMargin);
 
-    this->setPixmap(QPixmap::fromImage(imageOnUi));
+    this->setPixmap(QPixmap::fromImage(img));
 }
 
 void label_img::loadLabelData(const QString& labelFilePath)
@@ -270,6 +288,61 @@ void label_img::drawObjectBoxes(QPainter& painter, int thickWidth)
     }
 }
 
+void label_img::drawObjectLabels(QPainter& painter, int thickWidth, int fontPixelSize, int xMargin, int yMargin)
+{
+    QFontMetrics fontMetrics = painter.fontMetrics();
+    QPen blackPen;
+
+    for(ObjectLabelingBox boundingbox: m_objBoundingBoxes)
+    {
+        QColor labelColor = m_drawObjectBoxColor.at(boundingbox.label);
+        QRect rectUi = cvtRelativeToAbsoluteRectInUi(boundingbox.box);
+
+        QRect labelRect = fontMetrics.boundingRect(m_objList.at(boundingbox.label));
+        if (rectUi.top() > fontPixelSize + yMargin * 2 + thickWidth + 1) {
+            labelRect.moveTo(rectUi.topLeft() + QPoint(-thickWidth / 2, -(fontPixelSize + yMargin * 2 + thickWidth + 1)));
+            labelRect.adjust(0, 0, xMargin * 2, yMargin * 2);
+        } else {
+            labelRect.moveTo(rectUi.topLeft() + QPoint(-thickWidth / 2, 0));
+            labelRect.adjust(0, 0, xMargin * 2, yMargin * 2);
+        }
+        painter.fillRect(labelRect, labelColor);
+
+        if (qGray(m_drawObjectBoxColor.at(boundingbox.label).rgb()) > 120) {
+            blackPen.setColor(QColorConstants::Black);
+        } else {
+            blackPen.setColor(QColorConstants::White);
+        }
+        painter.setPen(blackPen);
+        painter.drawText(labelRect.topLeft() + QPoint(xMargin, yMargin + fontPixelSize), m_objList.at(boundingbox.label));
+    }
+}
+
+void label_img::gammaTransform(QImage &image)
+{
+    uchar* bits = image.bits();
+
+    int h = image.height();
+    int w = image.width();
+
+    //#pragma omp parallel for collapse(2)
+    for(int y = 0 ; y < h; ++y)
+    {
+        for(int x = 0; x < w; ++x)
+        {
+            int index_pixel = (y*w+x)*3;
+
+            unsigned char r = bits[index_pixel + 0];
+            unsigned char g = bits[index_pixel + 1];
+            unsigned char b = bits[index_pixel + 2];
+
+            bits[index_pixel + 0] = m_gammatransform_lut[r];
+            bits[index_pixel + 1] = m_gammatransform_lut[g];
+            bits[index_pixel + 2] = m_gammatransform_lut[b];
+        }
+    }
+}
+
 void label_img::removeFocusedObjectBox(QPointF point)
 {
     int     removeBoxIdx = -1;
@@ -334,3 +407,14 @@ QPointF label_img::cvtAbsoluteToRelativePoint(QPoint p)
 {
     return QPointF(static_cast<double>(p.x()) / this->width(), static_cast<double>(p.y()) / this->height());
 }
+
+void label_img::setContrastGamma(float gamma)
+{
+    for(int i=0; i < 256; i++)
+    {
+        int s = (int)(pow((float)i/255., gamma) * 255.);
+        s = std::clamp(s, 0, 255);
+        m_gammatransform_lut[i] = (unsigned char)s;
+    }
+    showImage();
+}

label_img.h

@@ -25,6 +25,7 @@ public:
     void mouseReleaseEvent(QMouseEvent *ev);
 
     QVector<QColor> m_drawObjectBoxColor;
+    QStringList     m_objList;
 
     int m_uiX;
     int m_uiY;
@@ -33,6 +34,7 @@ public:
     int m_imgY;
 
     bool m_bLabelingStarted;
+    bool m_bVisualizeClassName;
 
     static  QColor BOX_COLORS[10];
 
@@ -46,7 +48,7 @@ public:
 
     void setFocusObjectLabel(int);
     void setFocusObjectName(QString);
-
+    void setContrastGamma(float);
 
     bool isOpened();
     QImage crop(QRect);
@@ -59,6 +61,7 @@ public:
     QPoint  cvtRelativeToAbsolutePoint(QPointF);
     QPointF cvtAbsoluteToRelativePoint(QPoint);
 
+
 signals:
     void Mouse_Moved();
     void Mouse_Pressed();
@@ -72,16 +75,21 @@ private:
     double m_aspectRatioHeight;
 
     QImage m_inputImg;
+    QImage m_resized_inputImg;
 
     QPointF m_relative_mouse_pos_in_ui;
     QPointF m_relatvie_mouse_pos_LBtnClicked_in_ui;
 
+    unsigned char m_gammatransform_lut[256];
+    QVector<QRgb> colorTable;
+
     void setMousePosition(int , int);
 
     void drawCrossLine(QPainter& , QColor , int thickWidth = 3);
     void drawFocusedObjectBox(QPainter& , Qt::GlobalColor , int thickWidth = 3);
     void drawObjectBoxes(QPainter& , int thickWidth = 3);
-
+    void drawObjectLabels(QPainter& , int thickWidth = 3, int fontPixelSize = 14, int xMargin = 5, int yMargin = 2);
+    void gammaTransform(QImage& image);
     void removeFocusedObjectBox(QPointF);
 };
 

mainwindow.cpp

@@ -8,6 +8,7 @@
 #include <QShortcut>
 #include <QCollator>
 #include <iomanip>
+#include <cmath>
 
 using std::cout;
 using std::endl;
@@ -43,33 +44,36 @@ MainWindow::~MainWindow()
 void MainWindow::on_pushButton_open_files_clicked()
 {
     bool bRetImgDir     = false;
-    bool bRetObjFile    = false;
-
     open_img_dir(bRetImgDir);
 
     if (!bRetImgDir) return ;
 
-    open_obj_file(bRetObjFile);
-
-    if (!bRetObjFile) return ;
+    if (m_objList.empty())
+    {
+        bool bRetObjFile    = false;
+        open_obj_file(bRetObjFile);
+        if (!bRetObjFile) return ;
+    }
 
     init();
 }
 
-void MainWindow::on_pushButton_change_dir_clicked()
-{
-    bool bRetImgDir     = false;
+//void MainWindow::on_pushButton_change_dir_clicked()
+//{
+//    bool bRetImgDir     = false;
 
-    open_img_dir(bRetImgDir);
+//    open_img_dir(bRetImgDir);
 
-    if (!bRetImgDir) return ;
+//    if (!bRetImgDir) return ;
 
-    init();
-}
+//    init();
+//}
 
 
 void MainWindow::init()
 {
+    m_lastLabeledImgIndex = -1;
+
     ui->label_image->init();
 
     init_button_event();
@@ -89,7 +93,17 @@ void MainWindow::set_label_progress(const int fileIndex)
 
 void MainWindow::set_focused_file(const int fileIndex)
 {
-    ui->label_file->setText("File: " + m_imgList.at(fileIndex));
+    QString str = "";
+
+    if(m_lastLabeledImgIndex >= 0)
+    {
+        str += "Last Labeled Image: " + m_imgList.at(m_lastLabeledImgIndex);
+        str += '\n';
+    }
+
+    str += "Current Image: " + m_imgList.at(fileIndex);
+
+    ui->textEdit_log->setText(str);
 }
 
 void MainWindow::goto_img(const int fileIndex)
@@ -126,7 +140,7 @@ void MainWindow::prev_img(bool bSavePrev)
     goto_img(m_imgIndex - 1);
 }
 
-void MainWindow::save_label_data()const
+void MainWindow::save_label_data()
 {
     if(m_imgList.size() == 0) return;
 
@@ -139,21 +153,6 @@ void MainWindow::save_label_data()const
         {
             ObjectLabelingBox objBox = ui->label_image->m_objBoundingBoxes[i];
 
-            if(ui->checkBox_cropping->isChecked())
-            {
-                QImage cropped = ui->label_image->crop(ui->label_image->cvtRelativeToAbsoluteRectInImage(objBox.box));
-
-                if(!cropped.isNull())
-                {
-                    string strImgFile   = m_imgList.at(m_imgIndex).toStdString();
-
-                    strImgFile = strImgFile.substr( strImgFile.find_last_of('/') + 1,
-                                                    strImgFile.find_last_of('.') - strImgFile.find_last_of('/') - 1);
-
-                    cropped.save(QString().fromStdString(strImgFile) + "_cropped_" + QString::number(i) + ".png");
-                }
-            }
-
             double midX     = objBox.box.x() + objBox.box.width() / 2.;
             double midY     = objBox.box.y() + objBox.box.height() / 2.;
             double width    = objBox.box.width();
@@ -169,10 +168,8 @@ void MainWindow::save_label_data()const
             fileOutputLabelData << " ";
             fileOutputLabelData << std::fixed << std::setprecision(6) << height << std::endl;
         }
-
+        m_lastLabeledImgIndex = m_imgIndex;
         fileOutputLabelData.close();
-
-        ui->textEdit_log->setText(qstrOutputLabelData + " saved.");
     }
 }
 
@@ -201,7 +198,7 @@ void MainWindow::remove_img()
         }
         else if( m_imgIndex == m_imgList.size())
         {
-            m_imgIndex --;
+            m_imgIndex--;
         }
 
         goto_img(m_imgIndex);
@@ -253,6 +250,7 @@ void MainWindow::load_label_list_data(QString qstrLabelListFile)
 
             ui->label_image->m_drawObjectBoxColor.push_back(labelColor);
         }
+        ui->label_image->m_objList = m_objList;
     }
 }
 
@@ -363,11 +361,6 @@ void MainWindow::open_obj_file(bool& ret)
     }
 }
 
-void MainWindow::reupdate_img_list()
-{
-
-}
-
 void MainWindow::wheelEvent(QWheelEvent *ev)
 {
     if(ev->angleDelta().y() > 0) // up Wheel
@@ -408,15 +401,15 @@ void MainWindow::keyPressEvent(QKeyEvent * event)
     }
 }
 
-void MainWindow::on_pushButton_save_clicked()
-{
-    save_label_data();
-}
+//void MainWindow::on_pushButton_save_clicked()
+//{
+//    save_label_data();
+//}
 
-void MainWindow::on_pushButton_remove_clicked()
-{
-    remove_img();
-}
+//void MainWindow::on_pushButton_remove_clicked()
+//{
+//    remove_img();
+//}
 
 void MainWindow::on_tableWidget_label_cellDoubleClicked(int row, int column)
 {
@@ -447,11 +440,7 @@ void MainWindow::on_horizontalSlider_images_sliderMoved(int position)
 
 void MainWindow::init_button_event()
 {
-    ui->pushButton_change_dir->setEnabled(true);
-    ui->pushButton_next->setEnabled(true);
-    ui->pushButton_prev->setEnabled(true);
-    ui->pushButton_save->setEnabled(true);
-    ui->pushButton_remove->setEnabled(true);
+//    ui->pushButton_change_dir->setEnabled(true);
 }
 
 void MainWindow::init_horizontal_slider()
@@ -461,6 +450,12 @@ void MainWindow::init_horizontal_slider()
     ui->horizontalSlider_images->blockSignals(true);
     ui->horizontalSlider_images->setValue(0);
     ui->horizontalSlider_images->blockSignals(false);
+
+    ui->horizontalSlider_contrast->setEnabled(true);
+    ui->horizontalSlider_contrast->setRange(0, 1000);
+    ui->horizontalSlider_contrast->setValue(ui->horizontalSlider_contrast->maximum()/2);
+    ui->label_image->setContrastGamma(1.0);
+    ui->label_contrast->setText(QString("Contrast(%) ") + QString::number(50));
 }
 
 void MainWindow::init_table_widget()
@@ -471,3 +466,18 @@ void MainWindow::init_table_widget()
 
     disconnect(ui->tableWidget_label->horizontalHeader(), SIGNAL(sectionPressed(int)),ui->tableWidget_label, SLOT(selectColumn(int)));
 }
+
+void MainWindow::on_horizontalSlider_contrast_sliderMoved(int value)
+{
+    float valueToPercentage = float(value)/ui->horizontalSlider_contrast->maximum(); //[0, 1.0]
+    float percentageToGamma = std::pow(1/(valueToPercentage + 0.5), 7.);
+
+    ui->label_image->setContrastGamma(percentageToGamma);
+    ui->label_contrast->setText(QString("Contrast(%) ") + QString::number(int(valueToPercentage * 100.)));
+}
+
+void MainWindow::on_checkBox_visualize_class_name_clicked(bool checked)
+{
+    ui->label_image->m_bVisualizeClassName = checked;
+    ui->label_image->showImage();
+}

mainwindow.h

@@ -23,10 +23,6 @@ public:
 
 private slots:
     void on_pushButton_open_files_clicked();
-    void on_pushButton_change_dir_clicked();
-    void on_pushButton_save_clicked();
-    void on_pushButton_remove_clicked();
-
     void on_pushButton_prev_clicked();
     void on_pushButton_next_clicked();
 
@@ -34,7 +30,7 @@ private slots:
 
     void next_img(bool bSavePrev = true);
     void prev_img(bool bSavePrev = true);
-    void save_label_data() const;
+    void save_label_data();
     void clear_label_data();
     void remove_img();
 
@@ -46,6 +42,10 @@ private slots:
 
     void on_horizontalSlider_images_sliderMoved(int );
 
+    void on_horizontalSlider_contrast_sliderMoved(int value);
+
+    void on_checkBox_visualize_class_name_clicked(bool checked);
+
 private:
     void            init();
     void            init_table_widget();
@@ -69,8 +69,6 @@ private:
     void            open_img_dir(bool&);
     void            open_obj_file(bool&);
 
-    void            reupdate_img_list();
-
     Ui::MainWindow *ui;
 
     QString         m_imgDir;
@@ -79,6 +77,8 @@ private:
 
     QStringList     m_objList;
     int             m_objIndex;
+    int             m_lastDeletedImgIndex;
+    int             m_lastLabeledImgIndex;
 
 protected:
     void    wheelEvent(QWheelEvent *);

mainwindow.ui

@@ -6,20 +6,20 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1528</width>
-    <height>953</height>
+    <width>1180</width>
+    <height>693</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="minimumSize">
    <size>
-    <width>1400</width>
-    <height>920</height>
+    <width>1180</width>
+    <height>640</height>
    </size>
   </property>
   <property name="maximumSize">
@@ -39,206 +39,206 @@
   </property>
   <widget class="QWidget" name="centralWidget">
    <property name="sizePolicy">
-    <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+    <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
      <horstretch>0</horstretch>
      <verstretch>0</verstretch>
     </sizepolicy>
    </property>
    <property name="minimumSize">
     <size>
-     <width>1363</width>
-     <height>867</height>
+     <width>1180</width>
+     <height>610</height>
     </size>
    </property>
    <property name="maximumSize">
     <size>
-     <width>16777215</width>
-     <height>16777215</height>
+     <width>165555</width>
+     <height>165555</height>
     </size>
    </property>
-   <layout class="QHBoxLayout" name="horizontalLayout_3">
-    <item>
-     <layout class="QVBoxLayout" name="verticalLayout_3">
+   <layout class="QGridLayout" name="gridLayout">
+    <item row="3" column="0">
+     <layout class="QHBoxLayout" name="horizontalLayout_5">
       <item>
-       <widget class="QLabel" name="label_file">
-        <property name="minimumSize">
-         <size>
-          <width>1275</width>
-          <height>20</height>
-         </size>
-        </property>
-        <property name="maximumSize">
-         <size>
-          <width>16777215</width>
-          <height>20</height>
-         </size>
-        </property>
-        <property name="font">
-         <font>
-          <pointsize>13</pointsize>
-          <weight>75</weight>
-          <bold>true</bold>
-         </font>
-        </property>
-        <property name="styleSheet">
-         <string notr="true">color : rgb(255, 187, 0);</string>
-        </property>
-        <property name="text">
-         <string>File:</string>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <widget class="label_img" name="label_image">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-        <property name="minimumSize">
-         <size>
-          <width>1280</width>
-          <height>720</height>
-         </size>
-        </property>
-        <property name="font">
-         <font>
-          <pointsize>18</pointsize>
-          <weight>75</weight>
-          <bold>true</bold>
-         </font>
-        </property>
-        <property name="cursor">
-         <cursorShape>CrossCursor</cursorShape>
-        </property>
-        <property name="mouseTracking">
-         <bool>true</bool>
-        </property>
-        <property name="styleSheet">
-         <string notr="true">QLabel { background-color : rgb(0, 0, 17); color : rgb(187, 255, 254);
+       <layout class="QVBoxLayout" name="verticalLayout">
+        <item>
+         <widget class="label_img" name="label_image">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="minimumSize">
+           <size>
+            <width>540</width>
+            <height>360</height>
+           </size>
+          </property>
+          <property name="font">
+           <font>
+            <family>Arial</family>
+            <pointsize>18</pointsize>
+            <weight>75</weight>
+            <bold>true</bold>
+           </font>
+          </property>
+          <property name="cursor">
+           <cursorShape>CrossCursor</cursorShape>
+          </property>
+          <property name="mouseTracking">
+           <bool>true</bool>
+          </property>
+          <property name="styleSheet">
+           <string notr="true">QLabel { background-color : rgb(0, 0, 17); color : rgb(187, 255, 254);
 border-style: outset;
 border-width: 2px;
 border-color: rgb(0, 255, 255);}
 
 </string>
-        </property>
-        <property name="frameShape">
-         <enum>QFrame::StyledPanel</enum>
-        </property>
-        <property name="frameShadow">
-         <enum>QFrame::Plain</enum>
-        </property>
-        <property name="lineWidth">
-         <number>3</number>
-        </property>
-        <property name="text">
-         <string>Open Data Set Directory...</string>
-        </property>
-        <property name="scaledContents">
-         <bool>true</bool>
-        </property>
-        <property name="alignment">
-         <set>Qt::AlignCenter</set>
-        </property>
-        <property name="margin">
-         <number>-1</number>
-        </property>
-        <property name="buddy">
-         <cstring>label_image</cstring>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <layout class="QVBoxLayout" name="verticalLayout_2">
+          </property>
+          <property name="frameShape">
+           <enum>QFrame::StyledPanel</enum>
+          </property>
+          <property name="frameShadow">
+           <enum>QFrame::Plain</enum>
+          </property>
+          <property name="lineWidth">
+           <number>3</number>
+          </property>
+          <property name="text">
+           <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Open a Dataset Directory...&lt;/p&gt;&lt;p&gt;D: Next Image&lt;/p&gt;&lt;p&gt;A: Prev Image&lt;/p&gt;&lt;p&gt;S: Next Class&lt;/p&gt;&lt;p&gt;W: Prev Class&lt;/p&gt;&lt;p&gt;V: Visualize Class Name&lt;/p&gt;&lt;p&gt;O: Open Files&lt;br/&gt;Ctrl + S: Save&lt;/p&gt;&lt;p&gt;Ctrl + D: Delete an Image&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          </property>
+          <property name="scaledContents">
+           <bool>true</bool>
+          </property>
+          <property name="alignment">
+           <set>Qt::AlignCenter</set>
+          </property>
+          <property name="margin">
+           <number>-1</number>
+          </property>
+          <property name="buddy">
+           <cstring>label_image</cstring>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_3"/>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_2">
+          <item>
+           <widget class="QSlider" name="horizontalSlider_contrast">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+              <horstretch>1</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="minimumSize">
+             <size>
+              <width>560</width>
+              <height>22</height>
+             </size>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>16777215</width>
+              <height>42</height>
+             </size>
+            </property>
+            <property name="focusPolicy">
+             <enum>Qt::NoFocus</enum>
+            </property>
+            <property name="styleSheet">
+             <string notr="true">
+QSlider::groove:horizontal {
+    border: 1px solid #999999;
+    height: 8px; /* the groove expands to the size of the slider by default. by giving it a height, it has a fixed size */
+    background: rgb(0, 255, 255);
+    margin: 2px 0;
+}
+
+
+QSlider::handle:horizontal {
+   background: rgb(255, 187, 0);
+    border: 1px solid #5c5c5c;
+    width: 18px;
+    margin: -10px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */
+    border-radius: 3px;
+}
+</string>
+            </property>
+            <property name="maximum">
+             <number>0</number>
+            </property>
+            <property name="pageStep">
+             <number>0</number>
+            </property>
+            <property name="tracking">
+             <bool>true</bool>
+            </property>
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLabel" name="label_contrast">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="minimumSize">
+             <size>
+              <width>160</width>
+              <height>23</height>
+             </size>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>16777215</width>
+              <height>42</height>
+             </size>
+            </property>
+            <property name="font">
+             <font>
+              <family>Arial</family>
+              <pointsize>12</pointsize>
+              <weight>75</weight>
+              <bold>true</bold>
+             </font>
+            </property>
+            <property name="styleSheet">
+             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
+border-style: outset;
+border-width: 2px;
+border-color: rgb(0, 255, 255);</string>
+            </property>
+            <property name="frameShape">
+             <enum>QFrame::StyledPanel</enum>
+            </property>
+            <property name="lineWidth">
+             <number>2</number>
+            </property>
+            <property name="text">
+             <string>Contrast</string>
+            </property>
+            <property name="alignment">
+             <set>Qt::AlignCenter</set>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
         <item>
          <layout class="QHBoxLayout" name="horizontalLayout">
-          <item>
-           <widget class="QPushButton" name="pushButton_prev">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="minimumSize">
-             <size>
-              <width>75</width>
-              <height>23</height>
-             </size>
-            </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="focusPolicy">
-             <enum>Qt::NoFocus</enum>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-            </property>
-            <property name="text">
-             <string>Prev</string>
-            </property>
-            <property name="shortcut">
-             <string/>
-            </property>
-            <property name="autoDefault">
-             <bool>false</bool>
-            </property>
-            <property name="default">
-             <bool>false</bool>
-            </property>
-            <property name="flat">
-             <bool>false</bool>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="pushButton_next">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="minimumSize">
-             <size>
-              <width>75</width>
-              <height>23</height>
-             </size>
-            </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="focusPolicy">
-             <enum>Qt::NoFocus</enum>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-            </property>
-            <property name="text">
-             <string>Next</string>
-            </property>
-            <property name="shortcut">
-             <string>Del</string>
-            </property>
-            <property name="autoDefault">
-             <bool>false</bool>
-            </property>
-            <property name="default">
-             <bool>false</bool>
-            </property>
-            <property name="flat">
-             <bool>false</bool>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QSlider" name="horizontalSlider_images">
             <property name="enabled">
@@ -252,12 +252,18 @@ border-color: rgb(0, 255, 255);</string>
             </property>
             <property name="minimumSize">
              <size>
-              <width>881</width>
+              <width>560</width>
               <height>22</height>
              </size>
             </property>
+            <property name="maximumSize">
+             <size>
+              <width>16777215</width>
+              <height>42</height>
+             </size>
+            </property>
             <property name="focusPolicy">
-             <enum>Qt::ClickFocus</enum>
+             <enum>Qt::NoFocus</enum>
             </property>
             <property name="styleSheet">
              <string notr="true">
@@ -302,12 +308,20 @@ QSlider::handle:horizontal {
             </property>
             <property name="minimumSize">
              <size>
-              <width>211</width>
-              <height>21</height>
+              <width>160</width>
+              <height>23</height>
+             </size>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>16777215</width>
+              <height>42</height>
              </size>
             </property>
             <property name="font">
              <font>
+              <family>Arial</family>
+              <pointsize>12</pointsize>
               <weight>75</weight>
               <bold>true</bold>
              </font>
@@ -335,23 +349,37 @@ border-color: rgb(0, 255, 255);</string>
          </layout>
         </item>
         <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <layout class="QHBoxLayout" name="horizontalLayout_4">
           <item>
            <widget class="QPushButton" name="pushButton_open_files">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
             <property name="minimumSize">
              <size>
-              <width>200</width>
-              <height>91</height>
+              <width>160</width>
+              <height>25</height>
              </size>
             </property>
             <property name="maximumSize">
              <size>
-              <width>16777215</width>
-              <height>91</height>
+              <width>200</width>
+              <height>60</height>
+             </size>
+            </property>
+            <property name="baseSize">
+             <size>
+              <width>0</width>
+              <height>0</height>
              </size>
             </property>
             <property name="font">
              <font>
+              <family>Arial</family>
+              <pointsize>12</pointsize>
               <weight>75</weight>
               <bold>true</bold>
               <kerning>true</kerning>
@@ -369,96 +397,8 @@ border-color: rgb(0, 255, 255);</string>
             <property name="text">
              <string>Open Files</string>
             </property>
-            <property name="autoDefault">
-             <bool>false</bool>
-            </property>
-            <property name="default">
-             <bool>false</bool>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="pushButton_change_dir">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="minimumSize">
-             <size>
-              <width>200</width>
-              <height>91</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>91</height>
-             </size>
-            </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-              <kerning>true</kerning>
-             </font>
-            </property>
-            <property name="focusPolicy">
-             <enum>Qt::NoFocus</enum>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-            </property>
-            <property name="text">
-             <string>Change Directory</string>
-            </property>
-            <property name="autoDefault">
-             <bool>false</bool>
-            </property>
-            <property name="default">
-             <bool>false</bool>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="pushButton_save">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="minimumSize">
-             <size>
-              <width>200</width>
-              <height>91</height>
-             </size>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>16777215</width>
-              <height>91</height>
-             </size>
-            </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-              <kerning>true</kerning>
-             </font>
-            </property>
-            <property name="focusPolicy">
-             <enum>Qt::NoFocus</enum>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-            </property>
-            <property name="text">
-             <string>Save</string>
-            </property>
             <property name="shortcut">
-             <string/>
+             <string>O</string>
             </property>
             <property name="autoDefault">
              <bool>false</bool>
@@ -466,65 +406,36 @@ border-color: rgb(0, 255, 255);</string>
             <property name="default">
              <bool>false</bool>
             </property>
-            <property name="flat">
-             <bool>false</bool>
-            </property>
            </widget>
           </item>
           <item>
-           <widget class="QPushButton" name="pushButton_remove">
-            <property name="enabled">
-             <bool>false</bool>
+           <widget class="QTextEdit" name="textEdit_log">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
             </property>
             <property name="minimumSize">
              <size>
-              <width>200</width>
-              <height>91</height>
-             </size>
-            </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="focusPolicy">
-             <enum>Qt::NoFocus</enum>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-            </property>
-            <property name="text">
-             <string>Remove</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QCheckBox" name="checkBox_cropping">
-            <property name="minimumSize">
-             <size>
-              <width>100</width>
-              <height>21</height>
+              <width>560</width>
+              <height>25</height>
              </size>
             </property>
             <property name="maximumSize">
              <size>
-              <width>100</width>
-              <height>16777215</height>
+              <width>16777215</width>
+              <height>60</height>
              </size>
             </property>
             <property name="font">
              <font>
+              <family>Arial</family>
+              <pointsize>12</pointsize>
               <weight>75</weight>
               <bold>true</bold>
              </font>
             </property>
-            <property name="cursor">
-             <cursorShape>ArrowCursor</cursorShape>
-            </property>
             <property name="focusPolicy">
              <enum>Qt::NoFocus</enum>
             </property>
@@ -534,140 +445,29 @@ border-style: outset;
 border-width: 2px;
 border-color: rgb(0, 255, 255);</string>
             </property>
-            <property name="text">
-             <string>with crop</string>
+            <property name="tabChangesFocus">
+             <bool>false</bool>
+            </property>
+            <property name="readOnly">
+             <bool>true</bool>
+            </property>
+            <property name="html">
+             <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
+p, li { white-space: pre-wrap; }
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Arial'; font-size:12pt; font-weight:600; font-style:normal;&quot;&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Gulim'; font-size:9pt;&quot;&gt;Last Labeled Image:&lt;br /&gt;Current Image:&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
             </property>
            </widget>
           </item>
-          <item>
-           <layout class="QVBoxLayout" name="verticalLayout">
-            <item>
-             <widget class="QLabel" name="label_log">
-              <property name="enabled">
-               <bool>true</bool>
-              </property>
-              <property name="sizePolicy">
-               <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-                <horstretch>0</horstretch>
-                <verstretch>0</verstretch>
-               </sizepolicy>
-              </property>
-              <property name="minimumSize">
-               <size>
-                <width>41</width>
-                <height>15</height>
-               </size>
-              </property>
-              <property name="maximumSize">
-               <size>
-                <width>16777215</width>
-                <height>15</height>
-               </size>
-              </property>
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <italic>false</italic>
-                <bold>true</bold>
-               </font>
-              </property>
-              <property name="styleSheet">
-               <string notr="true">color : rgb(0, 255, 255);</string>
-              </property>
-              <property name="text">
-               <string>Log</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QTextEdit" name="textEdit_log">
-              <property name="sizePolicy">
-               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
-                <horstretch>0</horstretch>
-                <verstretch>0</verstretch>
-               </sizepolicy>
-              </property>
-              <property name="minimumSize">
-               <size>
-                <width>545</width>
-                <height>70</height>
-               </size>
-              </property>
-              <property name="maximumSize">
-               <size>
-                <width>16777215</width>
-                <height>70</height>
-               </size>
-              </property>
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
-              <property name="focusPolicy">
-               <enum>Qt::NoFocus</enum>
-              </property>
-              <property name="styleSheet">
-               <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
-border-style: outset;
-border-width: 2px;
-border-color: rgb(0, 255, 255);</string>
-              </property>
-              <property name="tabChangesFocus">
-               <bool>false</bool>
-              </property>
-              <property name="readOnly">
-               <bool>true</bool>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </item>
          </layout>
         </item>
        </layout>
       </item>
-     </layout>
-    </item>
-    <item>
-     <layout class="QVBoxLayout" name="verticalLayout_4">
-      <item>
-       <widget class="QLabel" name="label_table_widget_padding">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-        <property name="minimumSize">
-         <size>
-          <width>220</width>
-          <height>20</height>
-         </size>
-        </property>
-        <property name="maximumSize">
-         <size>
-          <width>220</width>
-          <height>20</height>
-         </size>
-        </property>
-        <property name="font">
-         <font>
-          <pointsize>13</pointsize>
-          <weight>75</weight>
-          <bold>true</bold>
-         </font>
-        </property>
-        <property name="text">
-         <string/>
-        </property>
-       </widget>
-      </item>
       <item>
        <widget class="QTableWidget" name="tableWidget_label">
         <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+         <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
           <horstretch>0</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
@@ -675,12 +475,12 @@ border-color: rgb(0, 255, 255);</string>
         <property name="minimumSize">
          <size>
           <width>220</width>
-          <height>851</height>
+          <height>360</height>
          </size>
         </property>
         <property name="maximumSize">
          <size>
-          <width>220</width>
+          <width>330</width>
           <height>16777215</height>
          </size>
         </property>
@@ -744,12 +544,12 @@ QTableView {
         <attribute name="horizontalHeaderVisible">
          <bool>false</bool>
         </attribute>
-        <attribute name="horizontalHeaderHighlightSections">
-         <bool>false</bool>
-        </attribute>
         <attribute name="horizontalHeaderMinimumSectionSize">
          <number>40</number>
         </attribute>
+        <attribute name="horizontalHeaderHighlightSections">
+         <bool>false</bool>
+        </attribute>
         <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
          <bool>true</bool>
         </attribute>
@@ -779,6 +579,32 @@ QTableView {
       </item>
      </layout>
     </item>
+    <item row="0" column="0">
+     <layout class="QHBoxLayout" name="horizontalLayout_6">
+      <item>
+       <widget class="QCheckBox" name="checkBox_visualize_class_name">
+        <property name="font">
+         <font>
+          <family>Arial</family>
+          <pointsize>12</pointsize>
+          <underline>false</underline>
+          <strikeout>false</strikeout>
+         </font>
+        </property>
+        <property name="styleSheet">
+         <string notr="true">background-color : rgb(0, 0, 17);color : rgb(0, 255, 255);
+</string>
+        </property>
+        <property name="text">
+         <string>Visualize Class Name</string>
+        </property>
+        <property name="shortcut">
+         <string>V</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
    </layout>
   </widget>
   <widget class="QMenuBar" name="menuBar">
@@ -786,8 +612,8 @@ QTableView {
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1528</width>
-     <height>23</height>
+     <width>1180</width>
+     <height>21</height>
     </rect>
    </property>
   </widget>