diff --git a/README.md b/README.md
index d34b8b1..5f8f41d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # README #
 
-Common library with python code snippets used fraquently.
+Common library with python code snippets used frequently.
 
 ### Libraries Implemented ###
 
diff --git a/common/utils_opencv.py b/common/utils_opencv.py
index 0d8f351..c6b597f 100755
--- a/common/utils_opencv.py
+++ b/common/utils_opencv.py
@@ -55,6 +55,10 @@ def stop(self):
         self.stopped = True
 
 
+def clock():
+    return cv2.getTickCount() / cv2.getTickFrequency()
+
+
 def showImage(img, window='Image'):
     """ Shows the image in a resizeable window"""
     cv2.namedWindow(window, cv2.WINDOW_NORMAL)