From 298f24d4ef8757061a31114e6f5fe8f24b4b62e8 Mon Sep 17 00:00:00 2001
From: even <philippe.even@loria.fr>
Date: Mon, 24 Dec 2018 00:40:33 +0100
Subject: [PATCH] Width control and post-filtering
---
Code/Seg/BSTools/bsdetectionwidget.cpp | 98 ++++++++++-----
Code/Seg/BSTools/bsidetitem.cpp | 2 +-
Code/Seg/BSTools/bsstructureitem.cpp | 4 +-
Code/Seg/BlurredSegment/bsdetector.cpp | 165 ++++++++++++++++++++-----
Code/Seg/BlurredSegment/bsdetector.h | 114 ++++++++++++-----
Code/Seg/BlurredSegment/bstracker.cpp | 56 +++++----
Code/Seg/BlurredSegment/bstracker.h | 113 +++++++----------
Code/Seg/ImageTools/pt2i.h | 12 ++
Code/Seg/ImageTools/vmap.cpp | 10 +-
Code/Seg/ImageTools/vmap.h | 2 +-
Methode/ctrl.tex | 6 +-
11 files changed, 384 insertions(+), 198 deletions(-)
diff --git a/Code/Seg/BSTools/bsdetectionwidget.cpp b/Code/Seg/BSTools/bsdetectionwidget.cpp
index 67a6ae5..bd1b18a 100755
--- a/Code/Seg/BSTools/bsdetectionwidget.cpp
+++ b/Code/Seg/BSTools/bsdetectionwidget.cpp
@@ -389,7 +389,7 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
detector.switchDensityTest ();
extract ();
cout << "Density test : "
- << (detector.isSetDensityTest () ? "on" : "off") << endl;
+ << (detector.isDensityTestOn () ? "on" : "off") << endl;
}
break;
@@ -426,12 +426,23 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
break;
case Qt::Key_G :
- // Tunes the gradient threshold for maximal value detection
- detector.incGradientThreshold (
- (event->modifiers () & Qt::ShiftModifier ? -1 : 1));
- cout << "Gradient threshold = "
- << detector.getGradientThreshold () << endl;
- extract ();
+ if (event->modifiers () & Qt::ControlModifier)
+ {
+ // Switches length test at final step
+ detector.switchFinalLengthTest ();
+ extract ();
+ cout << "Final length test : "
+ << (detector.isFinalLengthTestOn () ? "on" : "off") << endl;
+ }
+ else
+ {
+ // Tunes the gradient threshold for maximal value detection
+ detector.incGradientThreshold (
+ (event->modifiers () & Qt::ShiftModifier ? -1 : 1));
+ cout << "Gradient threshold = "
+ << detector.getGradientThreshold () << endl;
+ extract ();
+ }
break;
case Qt::Key_H :
@@ -449,20 +460,20 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
case Qt::Key_J :
if (event->modifiers () & Qt::ControlModifier)
{
- // Switches the vicinity constraint for fast tracks
- detector.switchVicinityConstraint ();
- cout << "Vicinity constraint "
- << (detector.vicinityConstraintOn () ? "on" : "off")
+ // Switches the proximity constraint for fast tracks
+ detector.switchFastTrackProximityConstraint ();
+ cout << "Proximity constraint on fast tracks "
+ << (detector.fastTrackProximityConstraintOn () ? "on" : "off")
<< endl;
extract ();
}
- else
+ else if (detector.fastTrackProximityConstraintOn ())
{
- // Tunes the vicinity threshold for fast tracks
- detector.incVicinityThreshold(
+ // Tunes the proximity threshold for fast tracks
+ detector.incFastTrackProximityThreshold (
(event->modifiers () & Qt::ShiftModifier) == 0);
- cout << "Vicinity threshold = "
- << detector.getVicinityThreshold () << endl;
+ cout << "Proximity threshold for fast tracks = "
+ << detector.getFastTrackProximityThreshold () << endl;
extract ();
}
break;
@@ -473,7 +484,7 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
// Switches the final step connectivity constraint
detector.switchConnectivityConstraint ();
cout << "Connectivity constraint "
- << (detector.isSetConnectivityConstraint () ? "on" : "off")
+ << (detector.isConnectivityConstraintOn () ? "on" : "off")
<< endl;
extract ();
}
@@ -489,11 +500,22 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
break;
case Qt::Key_L :
- // Tunes the output blurred segment minimal size
- detector.setBSminSize (detector.getBSminSize () +
- (event->modifiers () & Qt::ShiftModifier ? -1 : 1));
- cout << "Output BS min size = " << detector.getBSminSize () << endl;
- extract ();
+ if (event->modifiers () & Qt::ControlModifier)
+ {
+ // Switches density test at final step
+ detector.switchFinalDensityTest ();
+ extract ();
+ cout << "Final density test : "
+ << (detector.isFinalDensityTestOn () ? "on" : "off") << endl;
+ }
+ else
+ {
+ // Tunes the output blurred segment minimal size
+ detector.setBSminSize (detector.getBSminSize () +
+ (event->modifiers () & Qt::ShiftModifier ? -1 : 1));
+ cout << "Output BS min size = " << detector.getBSminSize () << endl;
+ extract ();
+ }
break;
case Qt::Key_M :
@@ -671,30 +693,30 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
case Qt::Key_W :
if (event->modifiers () & Qt::ControlModifier)
{
- // Switches the setting of the assigned width on the detected segment
- detector.switchScanFitting ();
- cout << "Fine tracking fitted to " << (detector.isScanFitting () ?
- "detected segment width" : "assigned width") << endl;
+ // Switches the scan centering on the detected segment
+ detector.switchScanRecentering ();
+ cout << "Fine tracking centered on " << (detector.isScanRecentering () ?
+ "detected segment" : "initial scan") << endl;
extract ();
}
else
{
- // Tunes the assigned max width for fine tracks
- detector.setFastTracksMaxWidth (detector.fastTracksMaxWidth () +
+ // Tunes the assigned max width margin for fine tracks
+ detector.setFastTracksMaxMargin (detector.fastTracksMaxMargin () +
(event->modifiers () & Qt::ShiftModifier ? -1 : 1));
extract ();
- cout << "Fast tracks max width = "
- << detector.fastTracksMaxWidth () << endl;
+ cout << "Fast tracks max width margin = "
+ << detector.fastTracksMaxMargin () << endl;
}
break;
case Qt::Key_X :
if (event->modifiers () & Qt::ControlModifier)
{
- // Switches the scan centering on the detected segment
- detector.switchScanRecentering ();
- cout << "Fine tracking centered on " << (detector.isScanRecentering () ?
- "detected segment" : "initial scan") << endl;
+ // Switches the setting of the assigned width on the detected segment
+ detector.switchScanFitting ();
+ cout << "Fine tracking fitted to " << (detector.isScanFitting () ?
+ "detected segment width" : "assigned width") << endl;
extract ();
}
else
@@ -764,6 +786,14 @@ void BSDetectionWidget::keyPressEvent (QKeyEvent *event)
switchIdetAnalyzer ();
break;
+ case Qt::Key_5 :
+ // Switches the crosswise segment detection
+ detector.switchTrackCrosswise ();
+ extract ();
+ cout << "Crosswise segment detection "
+ << (detector.trackCrosswiseOn () ? "on" : "off") << endl;
+ break;
+
case Qt::Key_6 :
detector.switchDetector ();
cout << (detector.oldDetectorOn () ?
diff --git a/Code/Seg/BSTools/bsidetitem.cpp b/Code/Seg/BSTools/bsidetitem.cpp
index c4ee2c4..6304da8 100755
--- a/Code/Seg/BSTools/bsidetitem.cpp
+++ b/Code/Seg/BSTools/bsidetitem.cpp
@@ -93,7 +93,7 @@ void BSIdetItem::buildScans ()
offy = 0;
// Gets a scan iterator
- if (scanw)
+ if (scanw != 0)
ds = scanp.getScanner (ptc, pt1.vectorTo (pt2), scanw, false);
else ds = scanp.getScanner (pt1, pt2);
diff --git a/Code/Seg/BSTools/bsstructureitem.cpp b/Code/Seg/BSTools/bsstructureitem.cpp
index ce96bb3..38d3000 100755
--- a/Code/Seg/BSTools/bsstructureitem.cpp
+++ b/Code/Seg/BSTools/bsstructureitem.cpp
@@ -190,7 +190,7 @@ void BSStructureItem::paintConnectedComponents (QPainter *painter, int step)
int bsccp = bs->countOfConnectedPoints (ccs);
int bssize = bs->getAllPoints().size ();
bool ccon = (step == BSDetector::STEP_FINAL
- && det->isSetConnectivityConstraint ());
+ && det->isConnectivityConstraintOn ());
addText (painter, QString ("Connectivity constraint ") + (ccon ?
QString ("on") : QString ("off")));
addText (painter, QString::number (bssize) + QString (" points"));
@@ -224,7 +224,7 @@ void BSStructureItem::paintScansAndFilter (QPainter *painter, int step)
ScannerProvider sp;
sp.setSize (w, h);
DirectionalScanner *ds = NULL;
- if (swidth)
+ if (swidth != 0)
ds = sp.getScanner (ptc, pt1.vectorTo (pt2), swidth, false);
else ds = sp.getScanner (pt1, pt2);
vector<Pt2i> pix;
diff --git a/Code/Seg/BlurredSegment/bsdetector.cpp b/Code/Seg/BlurredSegment/bsdetector.cpp
index 5cf09f3..d39d0b0 100755
--- a/Code/Seg/BlurredSegment/bsdetector.cpp
+++ b/Code/Seg/BlurredSegment/bsdetector.cpp
@@ -20,6 +20,10 @@ const int BSDetector::RESULT_FINAL_TOO_FEW = 22;
const int BSDetector::RESULT_FINAL_TOO_SPARSE = 23;
const int BSDetector::RESULT_FINAL_TOO_MANY_OUTLIERS = 24;
+const int BSDetector::DEFAULT_FAST_TRACK_SCAN_WIDTH = 32;
+const int BSDetector::DEFAULT_FINE_TRACK_MAX_WIDTH = 3;
+const int BSDetector::DEFAULT_FAST_TRACK_MAX_MARGIN = 2;
+
const int BSDetector::DEFAULT_BS_MIN_SIZE = 5;
const int BSDetector::ABSOLUTE_BS_MIN_SIZE = 3;
const int BSDetector::DEFAULT_CONNECT_MIN_SIZE = 5;
@@ -31,6 +35,9 @@ BSDetector::BSDetector ()
{
gMap = NULL;
+ fmaxWidth = DEFAULT_FINE_TRACK_MAX_WIDTH;
+ imaxMargin = DEFAULT_FAST_TRACK_MAX_MARGIN;
+
prelimDetectionOn = false;
bst0 = (prelimDetectionOn ? new BSTracker () : NULL);
bst1 = new BSTracker ();
@@ -54,6 +61,8 @@ BSDetector::BSDetector ()
recenteringOn = true;
fittingOn = false;
densityTestOn = true;
+ finalDensityTestOn = false;
+ finalLengthTestOn = false;
multiSelection = false;
autodet = false;
autoResol = DEFAULT_AUTO_RESOLUTION;
@@ -172,7 +181,9 @@ void BSDetector::detectSelection (const Pt2i &p1, const Pt2i &p2)
gMap->clearMask ();
gMap->setMasking (false);
}
- else detect (p1, p2);
+ else
+ if (oldp) olddetect (p1, p2);
+ else detect (p1, p2);
}
@@ -207,7 +218,8 @@ bool BSDetector::runMultiDetection (const Pt2i &p1, const Pt2i &p2)
if (edgeDirection != 0) edgeDirection = 1;
while (edgeDirection >= -1)
{
- detect (p1, p2, true, ptstart);
+ if (oldp) olddetect (p1, p2, true, ptstart);
+ else detect (p1, p2, true, ptstart);
if (bsf != NULL)
{
gMap->setMask (bsf->getAllPoints ());
@@ -227,6 +239,11 @@ bool BSDetector::runMultiDetection (const Pt2i &p1, const Pt2i &p2)
void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
bool centralp, const Pt2i &pc)
{
+ // Entry check
+ //------------
+ if (p1.equals (p2)
+ || ((! centralp) && p1.chessboard (p2) < BSTracker::MIN_SCAN)) return;
+
// Clearance
//----------
resultValue = RESULT_UNDETERMINED;
@@ -238,15 +255,15 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
bsf = NULL;
lastTrialOk = false;
- if (p1.equals (p2)) return;
inip1.set (p1);
inip2.set (p2);
- inicentralp = centralp;
+ iniwidth = (centralp ? DEFAULT_FAST_TRACK_SCAN_WIDTH : 0);
inipc.set (pc);
// Initial detection based on highest gradient without orientation constraint
//---------------------------------------------------------------------------
- bsini = bst1->fastTrack (inip1, inip2, inicentralp, inipc);
+ bsini = bst1->fastTrack (DEFAULT_FAST_TRACK_SCAN_WIDTH / 4,
+ inip1, inip2, iniwidth, inipc);
if (bsini == NULL || bsini->size () < bsMinSize)
{
resultValue = (bsini == NULL ? RESULT_INITIAL_NO_DETECTION
@@ -291,12 +308,11 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
//-----------------------------
if (recenteringOn)
pCenter = bsini->getSegment()->centerOfIntersection (inip1, inip2);
- int bswidth = bst1->fastTracksMaxWidth ();
- int scanwidth = 4 * bswidth;
// Finer detection based on gradient maxima with orientation constraint
//---------------------------------------------------------------------
- bsf = bstold->fineTrack (pCenter, bsinidir, scanwidth, bswidth, gRef);
+ bsf = bstold->fineTrack (fmaxWidth, pCenter, bsinidir,
+ 4 * fmaxWidth, gRef);
if (bsf == NULL || bsf->size () < bsMinSize)
{
resultValue = (bsf == NULL ? RESULT_FINAL_NO_DETECTION
@@ -312,8 +328,9 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
// Third detection based on gradient maxima with orientation constraint
//---------------------------------------------------------------------
- BlurredSegment *bsf2 = bstold->fineTrack (pCenter, bsf->getSupportVector(),
- scanwidth, bswidth, gRef);
+ BlurredSegment *bsf2 = bstold->fineTrack (fmaxWidth,
+ pCenter, bsf->getSupportVector(),
+ 4 * fmaxWidth, gRef);
if (bsf2 == NULL || bsf2->size () < bsMinSize)
{
resultValue = (bsf2 == NULL ? RESULT_FINAL_NO_DETECTION
@@ -327,8 +344,41 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
bsf = bsf2;
}
- // Connected components analysis */
- //------------------------------*/
+ // Length test
+ //------------
+ if (finalLengthTestOn)
+ {
+ DigitalStraightSegment *dss = bsf->getSegment ();
+ if ((int) (bsf->getAllPoints().size ())
+ < (10 * dss->period ()) / dss->width ())
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+ }
+
+ // New density test
+ //-----------------
+ if (finalDensityTestOn)
+ {
+ DigitalStraightLine mydsl (inip1, inip2, DigitalStraightLine::DSL_NAIVE);
+ int mydrlf = mydsl.manhattan (bsf->getLastRight ())
+ - mydsl.manhattan (bsf->getLastLeft ());
+ if (mydrlf < 0) mydrlf = -mydrlf; // Case of horizontal P1P2
+ int expansion = 1 + mydrlf;
+ if (bsf->size () < expansion / 2)
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+ }
+
+ // Connected components analysis
+ //------------------------------
if (ccOn)
{
int bsccp = bsf->countOfConnectedPoints (ccMinSize);
@@ -340,6 +390,16 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
bsf = NULL;
return;
}
+
+/*
+ if (bssize < 20 || bsf->countOfConnectedComponents (bssize / 4) == 0)
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+*/
}
lastTrialOk = true;
@@ -350,11 +410,11 @@ void BSDetector::olddetect (const Pt2i &p1, const Pt2i &p2,
void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
bool centralp, const Pt2i &pc)
{
- if (oldp)
- {
- olddetect (p1, p2, centralp, pc);
- return;
- }
+ // Entry check
+ //------------
+ if (p1.equals (p2)
+ || ((! centralp) && p1.chessboard (p2) < BSTracker::MIN_SCAN)) return;
+
// Clearance
//----------
@@ -372,17 +432,17 @@ void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
bsf = NULL;
lastTrialOk = false;
- if (p1.equals (p2)) return;
prep1.set (p1);
prep2.set (p2);
- precentralp = centralp;
+ prewidth = (centralp ? DEFAULT_FAST_TRACK_SCAN_WIDTH : 0);
prepc.set (pc);
// Preliminary based on highest gradient without orientation constraint
//---------------------------------------------------------------------
if (prelimDetectionOn)
{
- bspre = bst0->fastTrack (prep1, prep2, precentralp, prepc);
+ bspre = bst0->fastTrack (fmaxWidth + imaxMargin,
+ prep1, prep2, prewidth, prepc);
if (bspre == NULL || bspre->size () < bsMinSize)
{
resultValue = (bspre == NULL ? RESULT_PRELIM_NO_DETECTION
@@ -401,20 +461,21 @@ void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
int dy = (int) (- (v0.x () * detw) / l);
inip1 = Pt2i (pcentral.x () + dx, pcentral.y () + dy);
inip2 = Pt2i (pcentral.x () - dx, pcentral.y () - dy);
- inicentralp = false;
+ iniwidth = 0;
}
}
else
{
inip1.set (p1);
inip2.set (p2);
- inicentralp = centralp;
+ iniwidth = (centralp ? DEFAULT_FAST_TRACK_SCAN_WIDTH : 0);
inipc.set (pc);
}
// Initial detection based on highest gradient without orientation constraint
//---------------------------------------------------------------------------
- bsini = bst1->fastTrack (inip1, inip2, inicentralp, inipc);
+ bsini = bst1->fastTrack (fmaxWidth + imaxMargin,
+ inip1, inip2, iniwidth, inipc);
if (bsini == NULL || bsini->size () < bsMinSize)
{
resultValue = (bsini == NULL ? RESULT_INITIAL_NO_DETECTION
@@ -474,18 +535,17 @@ void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
//-----------------------------
if (recenteringOn)
pCenter = bsini->getSegment()->centerOfIntersection (inip1, inip2);
- int bswidth = bst1->fineTracksMaxWidth ();
+ int bswidth = fmaxWidth;
if (fittingOn)
{
DigitalStraightSegment *dss = bsini->getSegment ();
if (dss != NULL)
bswidth = 1 + dss->width () / dss->period ();
}
- int scanwidth = bswidth + bswidth / 2;
// Finer detection based on gradient maxima with orientation constraint
//---------------------------------------------------------------------
- bsf = bst2->fineTrack (pCenter, bsinidir, scanwidth, bswidth, gRef);
+ bsf = bst2->fineTrack (bswidth, pCenter, bsinidir, 2 * bswidth, gRef);
if (bsf == NULL || bsf->size () < bsMinSize)
{
resultValue = (bsf == NULL ? RESULT_FINAL_NO_DETECTION
@@ -493,6 +553,40 @@ void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
return;
}
+ // Length test
+ //------------
+ if (finalLengthTestOn)
+ {
+ DigitalStraightSegment *dss = bsf->getSegment ();
+ if ((int) (bsf->getAllPoints().size ())
+ < (3 * dss->width ()) / dss->period ())
+ // if ((int) (bsf->getAllPoints().size ()) < 10)
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+ }
+
+ // New density test
+ //-----------------
+ if (finalDensityTestOn)
+ {
+ DigitalStraightLine mydsl (inip1, inip2, DigitalStraightLine::DSL_NAIVE);
+ int mydrlf = mydsl.manhattan (bsf->getLastRight ())
+ - mydsl.manhattan (bsf->getLastLeft ());
+ if (mydrlf < 0) mydrlf = -mydrlf; // Case of horizontal P1P2
+ int expansion = 1 + mydrlf;
+ if (expansion < 20 && bsf->size () < (expansion * 4) / 5)
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+ }
+
// Connected components analysis */
//------------------------------*/
if (ccOn)
@@ -506,8 +600,19 @@ void BSDetector::detect (const Pt2i &p1, const Pt2i &p2,
bsf = NULL;
return;
}
+
+/*
+ if (bssize < 20 || bsf->countOfConnectedComponents (bssize / 2) == 0)
+ {
+ resultValue = RESULT_FINAL_TOO_SPARSE;
+ delete bsf;
+ bsf = NULL;
+ return;
+ }
+*/
}
+
// Line space filtering
//---------------------
if (filteringOn)
@@ -536,8 +641,8 @@ BlurredSegment *BSDetector::getBlurredSegment (int step) const
}
-void BSDetector::getScanInput (int step, Pt2i &p1, Pt2i &p2,
- int &width, Pt2i &pc) const
+void BSDetector::getScanInput (int step,
+ Pt2i &p1, Pt2i &p2, int &swidth, Pt2i &pc) const
{
if (step == STEP_PRELIM)
{
@@ -545,7 +650,7 @@ void BSDetector::getScanInput (int step, Pt2i &p1, Pt2i &p2,
{
p1.set (prep1);
p2.set (prep2);
- width = (precentralp ? bst0->fastTrackDefaultWidth () : 0);
+ swidth = prewidth;
pc.set (prepc);
}
}
@@ -553,7 +658,7 @@ void BSDetector::getScanInput (int step, Pt2i &p1, Pt2i &p2,
{
p1.set (inip1);
p2.set (inip2);
- width = (inicentralp ? bst1->fastTrackDefaultWidth () : 0);
+ swidth = iniwidth;
pc.set (inipc);
}
}
diff --git a/Code/Seg/BlurredSegment/bsdetector.h b/Code/Seg/BlurredSegment/bsdetector.h
index dcbf930..48e2a39 100755
--- a/Code/Seg/BlurredSegment/bsdetector.h
+++ b/Code/Seg/BlurredSegment/bsdetector.h
@@ -156,28 +156,27 @@ public:
inline void preserveFormerBlurredSegments () { mbsf.clear (); }
/**
- * \brief Returns the assigned maximal width for the fast tracks.
+ * \brief Returns the assigned maximal width for the fine tracks.
*/
- inline int fastTracksMaxWidth () const {
- return bst1->fastTracksMaxWidth (); }
+ inline int fineTracksMaxWidth () const { return fmaxWidth; }
/**
- * \brief Sets the assigned width for the fast tracks.
+ * \brief Sets the assigned maximal width for the fine tracks.
+ * @param val New width value.
*/
- inline void setFastTracksMaxWidth (int value) {
- bst1->setFastTracksMaxWidth (value); }
+ inline void setFineTracksMaxWidth (int val) { if (val > 0) fmaxWidth = val; }
/**
- * \brief Returns the assigned maximal width for the fine tracks.
+ * \brief Returns the assigned maximal width margin for the fast tracks.
*/
- inline int fineTracksMaxWidth () const {
- return bst1->fineTracksMaxWidth (); }
+ inline int fastTracksMaxMargin () const { return imaxMargin; }
/**
- * \brief Sets the assigned maximal width for the fine tracks.
+ * \brief Sets the assigned maximal width margin for the fast tracks.
+ * @param val New width value.
*/
- inline void setFineTracksMaxWidth (int value) {
- bst1->setFineTracksMaxWidth (value); }
+ inline void setFastTracksMaxMargin (int val) {
+ if (val >= 0) imaxMargin = val; }
/**
* \brief Returns the output blurred segment minimal size.
@@ -249,6 +248,16 @@ public:
*/
inline void switchAutoRestart () { bst2->switchAutoRestart (); }
+ /**
+ * \brief Returns whether the crosswise segment detection is set.
+ */
+ inline bool trackCrosswiseOn () const { return bst2->trackCrosswiseOn (); }
+
+ /**
+ * \brief Switches on or off the crosswise segment detection.
+ */
+ inline void switchTrackCrosswise () { bst2->switchTrackCrosswise (); }
+
/**
* \brief Returns the preliminary detection modality status.
*/
@@ -344,26 +353,29 @@ public:
inline int initialDetectionMaxExtent () { return (bst1->maxScanExtent ()); }
/**
- * \brief Returns the vicinity threshold used for fast tracking.
+ * \brief Returns the proximity threshold used for fast tracking.
*/
- inline int getVicinityThreshold () { return (bst1->getVicinityThreshold ()); }
+ inline int getFastTrackProximityThreshold () const {
+ return (bst1->getProximityThreshold ()); }
/**
- * \brief Increments the vicinity threshold used for fast tracking.
- * @param inc Increment value.
+ * \brief Increments the proximity threshold used for fast tracking.
+ * @param inc Increment sign.
*/
- inline void incVicinityThreshold (int inc) {
- bst1->incVicinityThreshold (inc); }
+ inline void incFastTrackProximityThreshold (bool inc) {
+ bst1->incProximityThreshold (inc); }
/**
- * \brief Returns the vicinity test status.
+ * \brief Returns the proximity test status.
*/
- inline bool vicinityConstraintOn () { return (bst1->vicinityConstraintOn ()); }
+ inline bool fastTrackProximityConstraintOn () const {
+ return (bst1->proximityConstraintOn ()); }
/**
- * \brief Switches the vicinity test used for fast tracking.
+ * \brief Switches the proximity test used for fast tracking.
*/
- inline void switchVicinityConstraint () { bst1->switchVicinityConstraint (); }
+ inline void switchFastTrackProximityConstraint () {
+ bst1->switchProximityConstraint (); }
/**
* \brief Returns if the dynamic scans modality is set.
@@ -478,7 +490,7 @@ public:
/**
* \brief Returns whether the density test at initial step is set.
*/
- inline bool isSetDensityTest () { return (densityTestOn); }
+ inline bool isDensityTestOn () const { return (densityTestOn); }
/**
* \brief Switches on or off the density test modality.
@@ -486,14 +498,36 @@ public:
inline void switchDensityTest () { densityTestOn = ! densityTestOn; }
/**
- * \brief Switches on or off the connectivity constraint.
+ * \brief Returns whether the density test at final step is set.
*/
- inline void switchConnectivityConstraint () { ccOn = ! ccOn; }
+ inline bool isFinalDensityTestOn () const { return (finalDensityTestOn); }
+
+ /**
+ * \brief Switches on or off the final density test modality.
+ */
+ inline void switchFinalDensityTest () {
+ finalDensityTestOn = ! finalDensityTestOn; }
+
+ /**
+ * \brief Returns whether the length test at final step is set.
+ */
+ inline bool isFinalLengthTestOn () const { return (finalLengthTestOn); }
+
+ /**
+ * \brief Switches on or off the final length test modality.
+ */
+ inline void switchFinalLengthTest () {
+ finalLengthTestOn = ! finalLengthTestOn; }
/**
* \brief Returns the connectivity constraint status.
*/
- inline bool isSetConnectivityConstraint () { return (ccOn); }
+ inline bool isConnectivityConstraintOn () const { return (ccOn); }
+
+ /**
+ * \brief Switches on or off the connectivity constraint.
+ */
+ inline void switchConnectivityConstraint () { ccOn = ! ccOn; }
/**
* \brief Returns the minimal size of the segment connected components.
@@ -532,10 +566,11 @@ public:
* @param step Detection step.
* @param p1 Input stroke first point to fill in.
* @param p2 Input stroke end point to fill in.
- * @param width Input stroke width to fill in.
+ * @param swidth Scan width if not set by P1 and p2, otherwise 0.
* @param pc Input central point to fill in.
*/
- void getScanInput (int step, Pt2i &p1, Pt2i &p2, int &width, Pt2i &pc) const;
+ void getScanInput (int step,
+ Pt2i &p1, Pt2i &p2, int &swidth, Pt2i &pc) const;
/**
* \brief Retuns whether the old detector (IWCIA '09) is used.
@@ -550,6 +585,12 @@ public:
private :
+ /** Default value for the scan width for fast tracks. */
+ static const int DEFAULT_FAST_TRACK_SCAN_WIDTH;
+ /** Default value for the max segment width for fine tracks. */
+ static const int DEFAULT_FINE_TRACK_MAX_WIDTH;
+ /** Default value for the max segment width margin for fast tracks. */
+ static const int DEFAULT_FAST_TRACK_MAX_MARGIN;
/** Default value for the minimal size of the detected blurred segment. */
static const int DEFAULT_BS_MIN_SIZE;
/** Absolute value for the minimal size of the detected blurred segment. */
@@ -583,6 +624,10 @@ private :
bool fittingOn;
/** Density test modality after initial detection. */
bool densityTestOn;
+ /** Density test modality after final detection. */
+ bool finalDensityTestOn;
+ /** Length test modality after final detection. */
+ bool finalLengthTestOn;
/** Segment multi-selection modality status. */
bool multiSelection;
/** Flag indicating if the last trial was successful. */
@@ -600,14 +645,19 @@ private :
/** Old detector (IWCIA'09) modality. */
bool oldp;
+ /** Assigned maximal width of the blurred segment for fine tracks. */
+ int fmaxWidth;
+ /** Assigned maximal width margin for fast tracks. */
+ int imaxMargin;
+
/** Last input start point. */
Pt2i prep1;
/** Last input end point. */
Pt2i prep2;
/** Last input central point. */
Pt2i prepc;
- /** Last input central point modality. */
- bool precentralp;
+ /** Preliminary fast scan width if not set by an input selection. */
+ int prewidth;
/** Preliminary stage modality. */
bool prelimDetectionOn;
/** Preliminary rough tracker. */
@@ -623,8 +673,8 @@ private :
Pt2i inip2;
/** Last input central point for initial step. */
Pt2i inipc;
- /** Last input central point modality for initial step. */
- bool inicentralp;
+ /** Initial fast scan width if not set by an input selection. */
+ int iniwidth;
/** Initially detected blurred segment (initial step result). */
BlurredSegment *bsini;
diff --git a/Code/Seg/BlurredSegment/bstracker.cpp b/Code/Seg/BlurredSegment/bstracker.cpp
index b4c4b4f..798b49a 100755
--- a/Code/Seg/BlurredSegment/bstracker.cpp
+++ b/Code/Seg/BlurredSegment/bstracker.cpp
@@ -3,11 +3,8 @@
-const int BSTracker::DEFAULT_FAST_TRACK_MAX_WIDTH = 5;
-const int BSTracker::DEFAULT_FINE_TRACK_MAX_WIDTH = 3;
const int BSTracker::DEFAULT_ACCEPTED_LACKS = 5;
-const int BSTracker::NO_VICINITY = 10000;
-const int BSTracker::DEFAULT_VICINITY_THRESHOLD = 10;
+const int BSTracker::DEFAULT_PROX_THRESHOLD = 10;
const int BSTracker::MIN_SCAN = 8;
const int BSTracker::DEFAULT_MAX_SCAN = 32;
const int BSTracker::DEFAULT_FITTING_DELAY = 20;
@@ -28,9 +25,8 @@ const int BSTracker::FAILURE_LOST_ORIENTATION = 32;
BSTracker::BSTracker ()
{
- vicinityThreshold = NO_VICINITY + DEFAULT_VICINITY_THRESHOLD;
- imaxWidth = DEFAULT_FAST_TRACK_MAX_WIDTH;
- fmaxWidth = DEFAULT_FINE_TRACK_MAX_WIDTH;
+ proxTestOff = true;
+ proxThreshold = DEFAULT_PROX_THRESHOLD;
acceptedLacks = DEFAULT_ACCEPTED_LACKS;
minRestart = acceptedLacks;
@@ -38,6 +34,7 @@ BSTracker::BSTracker ()
fittingDelay = DEFAULT_FITTING_DELAY;
recordScans = false;
orthoScan = false;
+ trackCrosswise = false;
thickenningOn = true;
thickenningLimit = DEFAULT_THICKENNING_LIMIT;
@@ -81,13 +78,17 @@ void BSTracker::setGradientMap (VMap *data)
}
-BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
- bool centralp, const Pt2i &pc)
+BlurredSegment *BSTracker::fastTrack (int bsMaxWidth,
+ const Pt2i &p1, const Pt2i &p2,
+ int swidth, const Pt2i &pc)
{
// Creates the scanner
DirectionalScanner *ds = NULL;
- if (centralp)
- ds = scanp.getScanner (pc, p1.vectorTo (p2), 4 * imaxWidth, false);
+ if (swidth != 0)
+ {
+ if (swidth < MIN_SCAN) swidth = MIN_SCAN;
+ ds = scanp.getScanner (pc, p1.vectorTo (p2), swidth, false);
+ }
else ds = scanp.getScanner (p1, p2);
if (ds == NULL) return NULL;
@@ -107,7 +108,7 @@ BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
}
int candide;
Pt2i pfirst;
- if (centralp) pfirst.set (pc.x (), pc.y ());
+ if (swidth != 0) pfirst.set (pc.x (), pc.y ());
else
{
candide = gMap->largestIn (pix);
@@ -119,7 +120,7 @@ BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
pfirst.set (pix.at (candide));
}
- BlurredSegmentProto bs (imaxWidth, pfirst);
+ BlurredSegmentProto bs (bsMaxWidth, pfirst);
Pt2i lastLeft (pfirst);
Pt2i lastRight (pfirst);
@@ -151,7 +152,8 @@ BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
candide = gMap->largestIn (pix);
if (candide != -1)
{
- if (lastRight.manhattan (pix.at (candide)) <= vicinityThreshold)
+ if (proxTestOff
+ || lastRight.manhattan (pix.at (candide)) <= proxThreshold)
added = bs.addRight (pix.at (candide));
}
if (added)
@@ -179,7 +181,8 @@ BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
candide = gMap->largestIn (pix);
if (candide != -1)
{
- if (lastLeft.manhattan (pix.at (candide)) < vicinityThreshold)
+ if (proxTestOff
+ || lastLeft.manhattan (pix.at (candide)) <= proxThreshold)
added = bs.addLeft (pix.at (candide));
}
if (added)
@@ -200,9 +203,9 @@ BlurredSegment *BSTracker::fastTrack (const Pt2i &p1, const Pt2i &p2,
-BlurredSegment *BSTracker::fineTrack (const Pt2i ¢er, const Vr2i &scandir,
- int scanwidth, int bswidth,
- const Vr2i &gref)
+BlurredSegment *BSTracker::fineTrack (int bsMaxWidth,
+ const Pt2i ¢er, const Vr2i &scandir,
+ int scanwidth, const Vr2i &gref)
{
// Checks scan width minimal size
if (scanwidth < MIN_SCAN) scanwidth = MIN_SCAN;
@@ -244,7 +247,7 @@ BlurredSegment *BSTracker::fineTrack (const Pt2i ¢er, const Vr2i &scandir,
return NULL;
}
- BlurredSegmentProto bs (bswidth, pix[cand[0]]);
+ BlurredSegmentProto bs (bsMaxWidth, pix[cand[0]]);
// Handles thickenning
bool thickenOn = thickenningOn;
@@ -252,7 +255,7 @@ BlurredSegment *BSTracker::fineTrack (const Pt2i ¢er, const Vr2i &scandir,
// Handles thinning
int count = 0;
- AbsRat maxw (bswidth * DEFAULT_THINNING_RESOLUTION,
+ AbsRat maxw (bsMaxWidth * DEFAULT_THINNING_RESOLUTION,
DEFAULT_THINNING_RESOLUTION);
// Extends the segment
@@ -307,7 +310,7 @@ BlurredSegment *BSTracker::fineTrack (const Pt2i ¢er, const Vr2i &scandir,
{
Vr2i dirn = bs.getSupportVector ();
if (4 * dirn.squaredScalarProduct (scandir)
- < dirn.norm2 () * scandir.norm2 ())
+ < 3 * dirn.norm2 () * scandir.norm2 ())
{
scanningLeft = false;
scanningRight = false;
@@ -318,6 +321,17 @@ BlurredSegment *BSTracker::fineTrack (const Pt2i ¢er, const Vr2i &scandir,
bs.getLine()->getMedialAxis (ppa, ppb, ppc);
ds->bindTo (ppa, ppb, ppc);
}
+ else if (trackCrosswise && count > 3 && bs.getLine () != NULL)
+ {
+ Vr2i dirn = bs.getSupportVector ();
+ if (4 * dirn.squaredScalarProduct (scandir)
+ < 3 * dirn.norm2 () * scandir.norm2 ())
+ {
+ scanningLeft = false;
+ scanningRight = false;
+ fail += FAILURE_LOST_ORIENTATION;
+ }
+ }
// Extends on right
if (scanningRight)
diff --git a/Code/Seg/BlurredSegment/bstracker.h b/Code/Seg/BlurredSegment/bstracker.h
index 26a8b3c..2e9e102 100755
--- a/Code/Seg/BlurredSegment/bstracker.h
+++ b/Code/Seg/BlurredSegment/bstracker.h
@@ -16,8 +16,11 @@ using namespace std;
*/
class BSTracker
{
-
public:
+
+ /** Minimal length of scan length to be processed. */
+ static const int MIN_SCAN;
+
/**
* \brief Creates a blurred segment tracker.
@@ -36,48 +39,28 @@ public:
/**
* \brief Builds and returns a blurred segment from only gradient maximum.
+ * @param bsMaxWidth Blurred segment assigned maximal width.
* @param p1 Initial stroke start point.
* @param p2 Initial stroke end point.
- * @param centralp Set to true if a start point is provided.
- * @param pc Initial segment start point (if centralp is true).
+ * @param swidth Set to 0 if no start point is provided.
+ * @param pc Initial segment start point (if swidth is set).
*/
- BlurredSegment *fastTrack (const Pt2i &p1, const Pt2i &p2,
- bool centralp = false, const Pt2i &pc = Pt2i ());
+ BlurredSegment *fastTrack (int bsMaxWidth,
+ const Pt2i &p1, const Pt2i &p2,
+ int swidth = 0, const Pt2i &pc = Pt2i ());
/**
* \brief Builds and returns a blurred segment from local gradient maxima.
* Finer detection using gradient ridges and direction input.
+ * @param bsMaxWidth Initial assigned maximal width of the blurred segment.
* @param center Central point of the scan.
* @param scandir Scan direction
* @param scanwidth Width of the scan strip.
- * @param bswidth Initial maximal width of the blurred segment to build.
* @param gref Gradient vector reference to select candidates.
*/
- BlurredSegment *fineTrack (const Pt2i ¢er, const Vr2i &scandir,
- int scanwidth, int bswidth,
- const Vr2i &gref);
-
- /**
- * \brief Returns the assigned maximal width for fast tracks.
- */
- inline int fastTracksMaxWidth () const { return imaxWidth; }
-
- /**
- * \brief Sets the assigned maximal width for fast tracks.
- */
- inline void setFastTracksMaxWidth (int value) {
- if (value > 0) imaxWidth = value; }
-
- /**
- * \brief Returns the assigned maximal width for fine tracks.
- */
- inline int fineTracksMaxWidth () const { return fmaxWidth; }
-
- /**
- * \brief Sets the assigned maximal width for fine tracks.
- */
- inline void setFineTracksMaxWidth (int value) {
- if (value > 0) fmaxWidth = value; }
+ BlurredSegment *fineTrack (int bsMaxWidth,
+ const Pt2i ¢er, const Vr2i &scandir,
+ int scanwidth, const Vr2i &gref);
/**
* \brief Returns the pixel lack tolerence for exdending the blurred segment..
@@ -99,7 +82,7 @@ public:
/**
* \brief Returns the count of accepted points to release a failure.
*/
- inline int getRestartOnLack () { return minRestart; }
+ inline int getRestartOnLack () const { return minRestart; }
/**
* \brief Switches on or off the automatic restart after failure.
@@ -109,37 +92,43 @@ public:
minRestart = (minRestart == 1 ? acceptedLacks : 1);
}
+ /**
+ * \brief Returns whether the crosswise segment detection is set.
+ */
+ inline bool trackCrosswiseOn () const { return trackCrosswise; }
+
+ /**
+ * \brief Switches on or off the crosswise segment detection.
+ */
+ inline void switchTrackCrosswise () { trackCrosswise = ! trackCrosswise; }
+
/**
* \brief Sets the image data.
*/
void setGradientMap (VMap *data);
/**
- * \brief Returns the vicinity threshold used for fast tracking.
+ * \brief Returns the proximity test status.
*/
- inline int getVicinityThreshold () { return vicinityThreshold; }
+ inline bool proximityConstraintOn () const { return (! proxTestOff); }
/**
- * \brief Increments the vicinity threshold used for fast tracking.
- * @param inc Increment value.
+ * \brief Switches the proximity test used for fast tracking.
*/
- inline void incVicinityThreshold (int inc) {
- if (vicinityThreshold < NO_VICINITY) {
- vicinityThreshold += inc;
- if (vicinityThreshold < 1) vicinityThreshold = 1; } }
+ inline void switchProximityConstraint () { proxTestOff = ! proxTestOff; }
/**
- * \brief Returns the vicinity test status.
+ * \brief Returns the proximity threshold used for fast tracking.
*/
- inline bool vicinityConstraintOn () {
- return (vicinityThreshold < NO_VICINITY); }
+ inline int getProximityThreshold () const { return proxThreshold; }
/**
- * \brief Switches the vicinity test used for fast tracking.
+ * \brief Increments the proximity threshold used for fast tracking.
+ * @param bool Increment value.
*/
- inline void switchVicinityConstraint () {
- vicinityThreshold += (vicinityThreshold > NO_VICINITY ?
- - NO_VICINITY : NO_VICINITY); }
+ inline void incProximityThreshold (bool inc) {
+ proxThreshold += (inc ? 1 : -1);
+ if (proxThreshold < 1) proxThreshold = 1; }
/**
* \brief Returns the registered upper bounds of the final scan lines.
@@ -230,28 +219,14 @@ public:
*/
inline bool orthoScansOn () { return orthoScan; }
- /**
- * \brief Returns the fast track default max width.
- * This value is used when a central point is given.
- */
- inline int fastTrackDefaultWidth () const { return (4 * imaxWidth); }
-
private :
// Segment detection default parameters.
- /** Default value for the max segment width for fast tracks. */
- static const int DEFAULT_FAST_TRACK_MAX_WIDTH;
- /** Default value for the max segment width for fine tracks. */
- static const int DEFAULT_FINE_TRACK_MAX_WIDTH;
/** Default value for the accepted number of successive lacks. */
static const int DEFAULT_ACCEPTED_LACKS;
- /** Default value for the vicinity test used for fast tracking. */
- static const int DEFAULT_VICINITY_THRESHOLD;
- /** Large value to release the vicinity constraint. */
- static const int NO_VICINITY;
- /** Minimal length of scan length to be processed. */
- static const int MIN_SCAN;
+ /** Default value for the proximity test used for fast tracking. */
+ static const int DEFAULT_PROX_THRESHOLD;
/** Default value for the maximal number of scans processed on each side. */
static const int DEFAULT_MAX_SCAN;
@@ -294,16 +269,14 @@ private :
/** Scanned map height. */
int height;
- /** Blurred segment max width for fast tracks. */
- int imaxWidth;
- /** Blurred segment max width for fine tracks. */
- int fmaxWidth;
/** Number of awaited points after each failure. */
int minRestart;
/** Accepted number of successive lacks (wrt restart points). */
int acceptedLacks;
- /** Vicinity threshold used for fast tracking. */
- int vicinityThreshold;
+ /** Status of the proximity constraint used for fast tracking. */
+ bool proxTestOff;
+ /** Proximity threshold used for fast tracking. */
+ int proxThreshold;
/** Orthogonal scanning modality status */
bool orthoScan;
@@ -311,6 +284,8 @@ private :
bool dynamicScans;
/** Minimal detection width before activating the dynamical scans. */
int fittingDelay;
+ /** Crosswise segment detection modality. */
+ bool trackCrosswise;
/** Segment thinning strategy. */
bool thinningOn;
diff --git a/Code/Seg/ImageTools/pt2i.h b/Code/Seg/ImageTools/pt2i.h
index fefb8ca..369e46e 100755
--- a/Code/Seg/ImageTools/pt2i.h
+++ b/Code/Seg/ImageTools/pt2i.h
@@ -118,6 +118,18 @@ public:
+ ((p.yp > yp) ? p.yp - yp : yp - p.yp));
}
+ /**
+ * @fn int chessboard (Pt2i p)
+ * \brief Returns the chessboard distance to the given point.
+ * @param p the given point.
+ */
+ inline int chessboard (Pt2i p) const
+ {
+ int dx = (p.xp > xp ? p.xp - xp : xp - p.xp);
+ int dy = (p.yp > yp ? p.yp - yp : yp - p.yp);
+ return (dx > dy ? dx : dy);
+ }
+
/**
* @fn int isConnectedTo (Pt2i p)
* \brief Checks whether the point is connected (chessboard) to the given one.
diff --git a/Code/Seg/ImageTools/vmap.cpp b/Code/Seg/ImageTools/vmap.cpp
index b2b5f70..42e97fb 100755
--- a/Code/Seg/ImageTools/vmap.cpp
+++ b/Code/Seg/ImageTools/vmap.cpp
@@ -28,6 +28,7 @@ VMap::VMap (int width, int height, int *data, int type)
this->width = width;
this->height = height;
this->gtype = type;
+ init ();
imap = new int[width * height];
if (type == TYPE_TOP_HAT)
{
@@ -115,7 +116,6 @@ VMap::VMap (int width, int height, int *data, int type)
imap[i] = (int) sqrt (map[i].norm2 ());
gmagThreshold *= gradientThreshold;
}
- init ();
}
@@ -124,6 +124,7 @@ VMap::VMap (int width, int height, int **data, int type)
this->width = width;
this->height = height;
this->gtype = type;
+ init ();
imap = new int[width * height];
if (type == TYPE_TOP_HAT)
{
@@ -211,15 +212,14 @@ VMap::VMap (int width, int height, int **data, int type)
imap[i] = (int) sqrt (map[i].norm2 ());
gmagThreshold *= gradientThreshold;
}
- init ();
}
VMap::~VMap ()
{
- delete map;
- delete imap;
- delete mask;
+ delete [] map;
+ delete [] map;
+ delete [] mask;
delete [] dilations;
delete [] bowl;
}
diff --git a/Code/Seg/ImageTools/vmap.h b/Code/Seg/ImageTools/vmap.h
index f31a507..06671ce 100755
--- a/Code/Seg/ImageTools/vmap.h
+++ b/Code/Seg/ImageTools/vmap.h
@@ -220,7 +220,7 @@ public:
if (gradientThreshold < 0) gradientThreshold = 0;
if (gradientThreshold > 255) gradientThreshold = 255;
gmagThreshold = gradientThreshold;
- if (gtype <= TYPE_SOBEL_5X5) gmagThreshold *= gradientThreshold;
+ if (gtype <= TYPE_SOBEL_5X5) gmagThreshold *= gmagThreshold;
}
/**
diff --git a/Methode/ctrl.tex b/Methode/ctrl.tex
index f8abf6b..7647502 100755
--- a/Methode/ctrl.tex
+++ b/Methode/ctrl.tex
@@ -38,7 +38,7 @@ r && Ajuste la r\'esolution de la grille de d\'etection automatique \\
s && Ajuste la longueur tol\'er\'ee pour les sauts de d\'etection \\
u && Relance la d\'etection sur la derni\`ere s\'election (update) \\
w && Ajuste la consigne d'\'epaisseur du segment flou pour le suivi fin \\
-x && Ajuste la consigne d'\'epaisseur du segment flou pour le suivi rapide \\
+x && Ajuste la marge de consigne d'\'epaisseur du segment flou pour le suivi rapide \\
y && Ajuste le contraste de l'image \\
z && Ajuste le seuil du contr\^ole de la consigne d'\'epaisseur \\
Ctrl-b && Commute le fond d'\'ecran de la fen\^etre principale \\
@@ -58,8 +58,8 @@ Ctrl-s && Commute la gestion des reprises sur interruption (1 / longueur absence
Ctrl-t && Commute l'amincissement progressif \\
Ctrl-u && Commute l'affichage des bords des segments flous. \\
Ctrl-v && Commute l'affichage du r\'esultat de la d\'etection en console (verbose) \\
-Ctrl-w && Commute l'ajustement de la consigne d'\'epaisseur sur le segment \\
-Ctrl-x && Commute le recentrage du scan sur le segment d\'etect\'e \\
+Ctrl-w && Commute le recentrage du scan sur le segment d\'etect\'e \\
+Ctrl-x && Commute l'ajustement de la consigne d'\'epaisseur sur le segment d\'etect\'e \\
Ctrl-y && Commute l'affichage des pixels des segments flous \\
Ctrl-z && Commute le contr\^ole de la consigne d'\'epaisseur \\
1 && Commute la visu des segments (pixels) \\
--
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