From e1cbdbae7d915479a5eeec49f8465b9325382864 Mon Sep 17 00:00:00 2001
From: Zer01HD <yunyangdeng@gmail.com>
Date: Mon, 7 May 2018 18:21:48 -0500
Subject: [PATCH] minimum size slider

---
 src/Rectangle/Detection/ContourAnalyzer.cpp | 5 +++--
 src/Rectangle/Detection/ContourAnalyzer.h   | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Rectangle/Detection/ContourAnalyzer.cpp b/src/Rectangle/Detection/ContourAnalyzer.cpp
index f020499..4d505a7 100755
--- a/src/Rectangle/Detection/ContourAnalyzer.cpp
+++ b/src/Rectangle/Detection/ContourAnalyzer.cpp
@@ -11,12 +11,12 @@ ContourAnalyzer::ContourAnalyzer(UI *ui, int *lastKey) {
 
 void ContourAnalyzer::analyze() {
 	prunedContours.clear();
-
 	if (*lastKey == 99) {
 		cannyRec = !cannyRec;
 	} else if (*lastKey == 118) {
 		drawContours = !drawContours;
 	}
+	minSize = ((ui->originalFrame()->cols)*(ui->originalFrame()->rows))*(minSizeScale/(float)10000);
 
 	if (cannyRec) {
 		cannyUpper = std::min(3*cannyLower, 255);
@@ -31,7 +31,7 @@ void ContourAnalyzer::analyze() {
 
 
 	for (unsigned i = 0; i < contours.size(); i++) {
-		if ((cv::contourArea(contours[i]) > 225) && (cv::contourArea(contours[i]) < (ui->currentFrame(0)->cols * ui->currentFrame(0)->rows) -25)) {
+		if ((cv::contourArea(contours[i]) > minSize) && (cv::contourArea(contours[i]) < (ui->currentFrame(0)->cols * ui->currentFrame(0)->rows) -25)) {
 			double perimeter = cv::arcLength(contours[i], true);
 			cv::approxPolyDP(contours[i], contours[i], (epsilon/(float)1000)*perimeter, true);
 
@@ -102,6 +102,7 @@ void ContourAnalyzer::componentSetup() {
 	cv::createTrackbar("Can. Lower", UI::DEBUG_WINDOW, &cannyLower , 255);
 	cv::createTrackbar("Can. Upper", UI::DEBUG_WINDOW, &cannyUpper , 255);
 	cv::createTrackbar("Epsilon", UI::DEBUG_WINDOW, &epsilon , 1000);
+	cv::createTrackbar("Min. Size", UI::DEBUG_WINDOW, &minSizeScale, 10000);
 }
 ContourAnalyzer::~ContourAnalyzer() {
 	ui->UIListeners.erase(std::remove(ui->UIListeners.begin(), ui->UIListeners.end(), this));
diff --git a/src/Rectangle/Detection/ContourAnalyzer.h b/src/Rectangle/Detection/ContourAnalyzer.h
index 77c62d3..76602ae 100755
--- a/src/Rectangle/Detection/ContourAnalyzer.h
+++ b/src/Rectangle/Detection/ContourAnalyzer.h
@@ -25,6 +25,8 @@ class ContourAnalyzer: public UIListener {
 public:
 	int binLower = 52;
 
+	int minSize = 0;
+	int minSizeScale = 15;
 	int cannyLower = 57;
 	int cannyUpper = 3*cannyLower;