diff --git a/CMakeLists.txt b/CMakeLists.txt
index f877f43..180f9e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@ cmake_minimum_required(VERSION 2.8)
 project(detect)
 
 ## dependencies
+find_package( OpenCV REQUIRED )
+include_directories( ${OpenCV_INCLUDE_DIRS} )
 
 include_directories(/usr/include/eigen3)
 
@@ -28,4 +30,4 @@ install(TARGETS visiona DESTINATION lib)
 
 install(FILES include/Visiona.h DESTINATION include)
 install(FILES include/DebugPlotConfig.h DESTINATION include)
-install(FILES include/MarkerDetectorConfig.h DESTINATION include)
\ No newline at end of file
+install(FILES include/MarkerDetectorConfig.h DESTINATION include)
diff --git a/include/DebugPlotConfig.h b/include/DebugPlotConfig.h
index 0a54533..401a253 100644
--- a/include/DebugPlotConfig.h
+++ b/include/DebugPlotConfig.h
@@ -38,6 +38,7 @@
 #ifndef DEBUGPLOTCONFIG_H_
 #define DEBUGPLOTCONFIG_H_
 
+#include <iomanip>
 #include <string>
 #include <opencv/cv.h>
 
diff --git a/include/MarkerDetectorConfig.h b/include/MarkerDetectorConfig.h
index a7e987a..5a906d3 100644
--- a/include/MarkerDetectorConfig.h
+++ b/include/MarkerDetectorConfig.h
@@ -38,7 +38,8 @@
 #ifndef MARKERDETECTORCONFIG_H_
 #define MARKERDETECTORCONFIG_H_
 
-#include <opencv/cv.h>
+#include <iostream>
+#include <opencv/cv.hpp>
 #include <libconfig.h++>
 
 namespace visiona {
diff --git a/src/MarkerDetector_impl.cpp b/src/MarkerDetector_impl.cpp
index 6219eed..c7c8770 100644
--- a/src/MarkerDetector_impl.cpp
+++ b/src/MarkerDetector_impl.cpp
@@ -1314,7 +1314,7 @@ void MarkerDetector_impl::buildCircleHolesImage(const EllipsePoly& elps,
   }
 
   ofstream f(fname);
-  f << cv::format(img, "csv") << std::endl;
+  f << cv::format(img, Formatter::FMT_CSV) << std::endl;
   f.close();
 
 }