diff --git a/src/Rectangle/Detection/ContourAnalyzer.cpp b/src/Rectangle/Detection/ContourAnalyzer.cpp
index d71b894..f020499 100755
--- a/src/Rectangle/Detection/ContourAnalyzer.cpp
+++ b/src/Rectangle/Detection/ContourAnalyzer.cpp
@@ -14,6 +14,8 @@ void ContourAnalyzer::analyze() {
 
 	if (*lastKey == 99) {
 		cannyRec = !cannyRec;
+	} else if (*lastKey == 118) {
+		drawContours = !drawContours;
 	}
 
 	if (cannyRec) {
@@ -60,6 +62,10 @@ void ContourAnalyzer::analyze() {
 
 		}
 	}
+
+	if (drawContours) {
+		drawContoursOntoMat(prunedContours, *(ui->originalFrame()));
+	}
 }
 
 void ContourAnalyzer::drawContoursOntoMat(std::vector<std::vector<cv::Point>> &contours, cv::Mat &frame) {
diff --git a/src/Rectangle/Detection/ContourAnalyzer.h b/src/Rectangle/Detection/ContourAnalyzer.h
index 1f85d76..77c62d3 100755
--- a/src/Rectangle/Detection/ContourAnalyzer.h
+++ b/src/Rectangle/Detection/ContourAnalyzer.h
@@ -14,7 +14,7 @@
 
 class ContourAnalyzer: public UIListener {
 	int *lastKey;
-	bool cannyRec = false;
+	bool cannyRec = false, drawContours = false;
 	UI *ui;
 	std::vector<std::vector<cv::Point>> contours;
 	std::vector<std::vector<cv::Point>> inconsistentContours;
@@ -23,12 +23,12 @@ class ContourAnalyzer: public UIListener {
 	std::vector<cv::Rect> bounds;
 
 public:
-	int binLower = 60;
+	int binLower = 52;
 
-	int cannyLower = 35;
-	int cannyUpper = 105;
+	int cannyLower = 57;
+	int cannyUpper = 3*cannyLower;
 
-	int epsilon = 48;
+	int epsilon = 53;
 
 	ContourAnalyzer(UI* ui, int *lastKey);
 	virtual ~ContourAnalyzer();
diff --git a/src/UI.cpp b/src/UI.cpp
index 196398b..9196f6f 100755
--- a/src/UI.cpp
+++ b/src/UI.cpp
@@ -59,8 +59,8 @@ void UI::setOriginalFrame(cv::Mat frame) {
 	frames[0] = frame;
 }
 
-cv::Mat UI::getOriginalFrame() const {
-	return frames[0];
+cv::Mat* UI::originalFrame() {
+	return &frames[0];
 }
 
 UI::~UI() {
diff --git a/src/UI.h b/src/UI.h
index 17a7be7..ec85265 100755
--- a/src/UI.h
+++ b/src/UI.h
@@ -30,7 +30,7 @@ public:
 	cv::Mat* currentFrame(int offset = 0);
 
 	void setOriginalFrame(cv::Mat frame);
-	cv::Mat getOriginalFrame() const;
+	cv::Mat* originalFrame();
 
 	virtual ~UI();
 };