diff --git a/Modules/OpenCVVideoSupport/Testing/files.cmake b/Modules/OpenCVVideoSupport/Testing/files.cmake
index 6e2ddb0530..374ff4d444 100644
--- a/Modules/OpenCVVideoSupport/Testing/files.cmake
+++ b/Modules/OpenCVVideoSupport/Testing/files.cmake
@@ -1,13 +1,15 @@
 set(MODULE_TESTS
 )
 
 set(MODULE_IMAGE_TESTS
   mitkImageToOpenCVImageFilterTest.cpp
+  mitkConvertGrayscaleOpenCVImageFilterTest.cpp
+  mitkCropOpenCVImageFilterTest.cpp
 )
 
 # list of images for which the tests are run
 set(MODULE_TESTIMAGES
   Png2D-bw.png
   RenderingTestData/rgbImage.png
 #NrrdWritingTestImage.jpg
 )
diff --git a/Modules/OpenCVVideoSupport/Testing/mitkConvertGrayscaleOpenCVImageFilterTest.cpp b/Modules/OpenCVVideoSupport/Testing/mitkConvertGrayscaleOpenCVImageFilterTest.cpp
new file mode 100644
index 0000000000..6c013faf8f
--- /dev/null
+++ b/Modules/OpenCVVideoSupport/Testing/mitkConvertGrayscaleOpenCVImageFilterTest.cpp
@@ -0,0 +1,52 @@
+/*===================================================================
+
+The Medical Imaging Interaction Toolkit (MITK)
+
+Copyright (c) German Cancer Research Center,
+Division of Medical and Biological Informatics.
+All rights reserved.
+
+This software is distributed WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE.
+
+See LICENSE.txt or http://www.mitk.org for details.
+
+===================================================================*/
+
+#include "mitkConvertGrayscaleOpenCVImageFilter.h"
+#include <mitkTestingMacros.h>
+
+#include <highgui.h>
+#include <cv.h>
+
+static void ConvertTestLoadedImage(std::string mitkImagePath)
+{
+  cv::Mat image = cvLoadImage(mitkImagePath.c_str());
+
+  // directly convert the image for comparison
+  cv::Mat comparisonImg;
+  cv::cvtColor(image, comparisonImg, CV_RGB2GRAY, 1);
+
+  mitk::ConvertGrayscaleOpenCVImageFilter::Pointer grayscaleFilter
+      = mitk::ConvertGrayscaleOpenCVImageFilter::New();
+
+  MITK_TEST_CONDITION_REQUIRED(grayscaleFilter->FilterImage(image), "Filtering should return true for success.");
+
+  MITK_TEST_CONDITION_REQUIRED(image.channels() == 1, "Image must not have more than one channel after grayscale conversion.");
+
+  MITK_TEST_CONDITION_REQUIRED(cv::countNonZero(image != comparisonImg), "All pixel values must be the same between the two converted images.");
+}
+
+/**Documentation
+ *  test for the class "ConvertGrayscaleOpenCVImageFilter".
+ */
+int mitkConvertGrayscaleOpenCVImageFilterTest(int argc, char* argv[])
+{
+  MITK_TEST_BEGIN("ConvertGrayscaleOpenCVImageFilter")
+
+  ConvertTestLoadedImage(argv[1]);
+  // always end with this!
+  MITK_TEST_END();
+
+}
diff --git a/Modules/OpenCVVideoSupport/Testing/mitkCropOpenCVImageFilterTest.cpp b/Modules/OpenCVVideoSupport/Testing/mitkCropOpenCVImageFilterTest.cpp
new file mode 100644
index 0000000000..16d3d686d4
--- /dev/null
+++ b/Modules/OpenCVVideoSupport/Testing/mitkCropOpenCVImageFilterTest.cpp
@@ -0,0 +1,69 @@
+/*===================================================================
+
+The Medical Imaging Interaction Toolkit (MITK)
+
+Copyright (c) German Cancer Research Center,
+Division of Medical and Biological Informatics.
+All rights reserved.
+
+This software is distributed WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE.
+
+See LICENSE.txt or http://www.mitk.org for details.
+
+===================================================================*/
+
+#include "mitkCropOpenCVImageFilter.h"
+#include <mitkTestingMacros.h>
+
+#include <highgui.h>
+#include <cv.h>
+
+static void CropTestLoadedImage(std::string mitkImagePath)
+{
+  cv::Mat image = cvLoadImage(mitkImagePath.c_str());
+  cv::Mat compareImg = image.clone();
+
+  mitk::CropOpenCVImageFilter::Pointer cropFilter = mitk::CropOpenCVImageFilter::New();
+
+  // try to crop without setting a region of interest
+  MITK_TEST_CONDITION_REQUIRED( ! cropFilter->FilterImage(image), "Filter function must return false if no region of interest is set.");
+  MITK_TEST_CONDITION_REQUIRED(cv::countNonZero(image != compareImg), "Image should not be changed yet.");
+
+  // set region of interst now and then try to crop again
+  cv::Rect roi = cv::Rect(0,0, image.cols, image.rows);
+  cropFilter->SetCropRegion(roi);
+  MITK_TEST_CONDITION_REQUIRED(cropFilter->FilterImage(image), "Filter function should return successfully.");
+  MITK_TEST_CONDITION_REQUIRED(cv::countNonZero(image != compareImg), "Image should not be changed if cropping with a roi of the whole image.");
+
+  // test if filter corrects negative roi position
+  cv::Rect roiWrong = cv::Rect(-1,-1, 2, 2);
+  roi = cv::Rect(0,0,2,2);
+  cropFilter->SetCropRegion(roiWrong);
+  MITK_TEST_CONDITION_REQUIRED(cropFilter->FilterImage(image), "Filter function should return successfully.");
+  MITK_TEST_CONDITION_REQUIRED(cv::countNonZero(image != compareImg(roi)), "Image should be equal to directly cropped image whith correct roi.");
+
+  // test whith "normal" roi
+  roi = cv::Rect( 5,5,10,10 );
+  cropFilter->SetCropRegion(roi);
+  MITK_TEST_CONDITION_REQUIRED(cropFilter->FilterImage(image), "Filter function should return successfully.");
+  MITK_TEST_CONDITION_REQUIRED(cv::countNonZero(image != compareImg(roi)), "Image should be equal to directly cropped image.");
+
+  // test with not correctable roi
+  roiWrong = cv::Rect( 5,5,-1,-1 );
+  MITK_TEST_FOR_EXCEPTION(mitk::Exception, cropFilter->SetCropRegion(roiWrong));
+}
+
+/**Documentation
+ *  test for the class "CropOpenCVImageFilter".
+ */
+int mitkCropOpenCVImageFilterTest(int argc, char* argv[])
+{
+  MITK_TEST_BEGIN("CropOpenCVImageFilter")
+
+  CropTestLoadedImage(argv[1]);
+  // always end with this!
+  MITK_TEST_END();
+
+}