Article: scan escapes

Article/method.tex

@@ -77,11 +77,21 @@ fail again on a blurred segment escape from the directional scan.
 
 \begin{figure}[h]
 \center
-  \begin{tabular}{c}
-    \includegraphics[width=0.49\textwidth]{Fig_notions/escapeFirst_zoom.png}
+  \begin{tabular}{c@{\hspace{0.2cm}}c@{\hspace{0.2cm}}c}
+    \includegraphics[width=0.31\textwidth]{Fig_notions/escapeFirst_zoom.png} &
+    \includegraphics[width=0.31\textwidth]{Fig_notions/escapeSecond_zoom.png} &
+    \includegraphics[width=0.31\textwidth]{Fig_notions/escapeThird_zoom.png}
   \end{tabular}
-  \caption{Example of early detection failures
-           on side escapes from the directional scan.}
+  \begin{picture}(1,1)(0,0)
+    \put(-314,-12){a)}
+    \put(-200,-12){b)}
+    \put(-86,-12){c)}
+  \end{picture}
+  \caption{Aborted detections on side escapes from the directional scan
+           during the initial tracking step (a) and during the fine tracking
+           step (b), and complete detection using an adaptive directional
+           scan (c). The input selection is drawn in red colour, the scan
+           strip bounds in blue and the detected blurred segment in green.}
   \label{fig:escape}
 \end{figure}
 

Code/Seg/BSTools/bsstructureitem.cpp

@@ -36,6 +36,7 @@ BSStructureItem::BSStructureItem (int width, int height, const QImage *im,
   det = detector;
   displayItem = DISPLAY_MIN;
   displayScanLines = false;
+  displayInput = false;
   this->im = im;
   verbose = true;
   infoPen = QPen (Qt::red, DEFAULT_PEN_WIDTH, Qt::SolidLine,
@@ -274,6 +275,17 @@ void BSStructureItem::paintScansAndFilter (QPainter *painter, int step)
       }
     }
 
+    // Display the input selection
+    if (displayInput)
+    {
+      vector<Pt2i> stroke;
+      Pt2i ip1, ip2, ipc;
+      int iw;
+      det->getScanInput (BSDetector::STEP_INITIAL, ip1, ip2, iw, ipc);
+      ip1.draw (stroke, ip2);
+      paintPixels (painter, stroke, Qt::red);
+    }
+
     // Displays filter output
     if (det->isFiltering (step))
     {
@@ -282,6 +294,13 @@ void BSStructureItem::paintScansAndFilter (QPainter *painter, int step)
       BlurredSegment *bs = det->getBlurredSegment (step);
       if (bs != NULL) paintPixels (painter, bs->getStartPt (), Qt::yellow);
     }
+
+    // Displays the blurred segment
+    else
+    {
+      BlurredSegment *bs = det->getBlurredSegment (step);
+      if (bs != NULL) paintPixels (painter, bs->getAllPoints (), Qt::green);
+    }
   }
 
   if (verbose)

Code/Seg/BSTools/bsstructureitem.h

@@ -76,10 +76,14 @@ public:
 
   /**
    * \brief Switches on or off the scan line display modality.
-   * @param next Get next information if true, previous on otherwise.
    */
   inline void switchScanDisplay () { displayScanLines = ! displayScanLines; }
 
+  /**
+   * \brief Switches on or off the input selection display modality.
+   */
+  inline void switchInputDisplay () { displayInput = ! displayInput; }
+
   /**
    * \brief Returns the displayed information title.
    */
@@ -168,6 +172,8 @@ private:
   int displayItem;
   /** Scan display modality. */
   bool displayScanLines;
+  /** Input selection display modality. */
+  bool displayInput;
   /** Information text modality. */
   bool verbose;
   /** Information text style. */

Code/Seg/BSTools/bsstructureview.cpp

@@ -97,6 +97,14 @@ bool BSStructureView::processKeyEvent (QKeyEvent *event)
       processed = false;
       break;
 
+    case Qt::Key_J : // Input selection display
+      if (event->modifiers () & Qt::ControlModifier)
+        grid->switchInputDisplay ();
+      scene()->update ();
+      update ();
+      processed = false;
+      break;
+
     case Qt::Key_V : // Info display
       grid->switchInfoDisplay ();
       scene()->update ();
@@ -120,7 +128,7 @@ bool BSStructureView::processKeyEvent (QKeyEvent *event)
       //   QRect (QPoint (0, 0),
       //          QSize (grid->getWidth(), grid->getHeight()))
       //   ).toImage().save ("structure.png");
-      // cout << "Structure shot in capture.png" << endl;
+      // cout << "Structure shot in structure.png" << endl;
       break;
 
     case Qt::Key_Plus : // Zoom in

Methode/ctrl.tex

@@ -83,6 +83,7 @@ p && Capture la fen\^etre dans un fichier .png \\
 \hline \hline
 \multicolumn{3}{|l|}{Analyse des segments flous extraits :} \\
 Ctrl-i && Commute le type d'affichage des scans \\
+Ctrl-j && Commute l'affichage de la barre de s\'election \\
 Ctrl-b && Commute le fond d'\'ecran de la fen\^etre principale. \\
 + -- && Zoom \\
 $< \wedge > \vee$ && D\'ecalage de l'observation \\