From 0a85531e359dcde7aecdd486c6789cbeab93463f Mon Sep 17 00:00:00 2001
From: Stéphane Lenclud <github@lenclud.com>
Date: Wed, 17 Apr 2019 17:59:48 +0200
Subject: Easy Tracker: Experimented with erode/dilate and mean/cam shift. It
 does not bring much.

---
 tracker-easy/CMakeLists.txt      |  2 +-
 tracker-easy/point-extractor.cpp | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/tracker-easy/CMakeLists.txt b/tracker-easy/CMakeLists.txt
index 229a90ae..7b776c9b 100644
--- a/tracker-easy/CMakeLists.txt
+++ b/tracker-easy/CMakeLists.txt
@@ -2,5 +2,5 @@ find_package(OpenCV QUIET)
 if(OpenCV_FOUND)
     otr_module(tracker-easy)
     target_include_directories(${self} SYSTEM PUBLIC ${OpenCV_INCLUDE_DIRS})
-    target_link_libraries(${self} opencv_imgproc opencv_calib3d opentrack-cv opencv_core opentrack-video)
+    target_link_libraries(${self} opencv_core opencv_imgproc opencv_calib3d opencv_video opentrack-cv opentrack-video)
 endif()
diff --git a/tracker-easy/point-extractor.cpp b/tracker-easy/point-extractor.cpp
index cc58c70c..61175a57 100644
--- a/tracker-easy/point-extractor.cpp
+++ b/tracker-easy/point-extractor.cpp
@@ -17,9 +17,13 @@
 #include <algorithm>
 #include <cinttypes>
 #include <memory>
+#include <opencv2/highgui/highgui.hpp>
+// Needed for mean shift
+#include <opencv2/video/tracking.hpp>
 
 #include <QDebug>
 
+
 using namespace numeric_types;
 
 namespace EasyTracker
@@ -77,6 +81,16 @@ namespace EasyTracker
             return;
         }
 
+//#define DEBUG
+#ifdef DEBUG        
+        cv::imshow("iFrameGray", iFrameGray);
+        cv::erode(iFrameGray, iFrameGray, cv::Mat(), cv::Point(-1, -1), 1);
+        cv::imshow("Eroded", iFrameGray);
+        cv::dilate(iFrameGray, iFrameGray, cv::Mat(), cv::Point(-1, -1), 2);
+        cv::imshow("Dilated", iFrameGray);        
+#endif 
+
+
         // Contours detection
         iContours.clear();
         cv::findContours(iFrameGray, iContours, cv::RETR_EXTERNAL, cv::CHAIN_APPROX_SIMPLE);
@@ -99,6 +113,9 @@ namespace EasyTracker
                 && bBox.width <= s.max_point_size
                 && bBox.height <= s.max_point_size)
             {
+                // Do a mean shift or cam shift, it's not bringing much though
+                //cv::CamShift(iFrameGray, bBox, cv::TermCriteria(cv::TermCriteria::EPS + cv::TermCriteria::MAX_ITER, 10, 1));
+                //                
                 cv::Point center;
                 center.x = bBox.x + bBox.width / 2;
                 center.y = bBox.y + bBox.height / 2;
-- 
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