fixing trailing whitespaces

doc/tutorials/video/background_subtraction/background_subtraction.rst

@@ -186,7 +186,7 @@ The results as well as the input data are shown on the screen.
       string suffix = fn.substr(index2);
       string frameNumberString = fn.substr(index+1, index2-index-1);
       istringstream iss(frameNumberString);
-      int frameNumber;
+      int frameNumber = 0;
       iss >> frameNumber;
       rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
                 cv::Scalar(255,255,255), -1);
@@ -327,10 +327,7 @@ We discuss the main parts of the above code:
       //update the path of the current frame
       fn.assign(nextFrameFilename);
    
-   
-   Note that:
- 
-   * this example works only on image sequences in which the filename format is <n>.png, where n is the frame number (e.g., 7.png).
+   * Note that this example works only on image sequences in which the filename format is <n>.png, where n is the frame number (e.g., 7.png).
  
 Results
 =======
@@ -389,6 +386,3 @@ References
 * Background Models Challenge (BMC) website, `<http://bmc.univ-bpclermont.fr/>`_
 
 * Antoine Vacavant, Thierry Chateau, Alexis Wilhelm and Laurent Lequievre. A Benchmark Dataset for Foreground/Background Extraction. In ACCV 2012, Workshop: Background Models Challenge, LNCS 7728, 291-300. November 2012, Daejeon, Korea.
-
-
-

doc/tutorials/video/table_of_content_video/table_of_content_video.rst

@@ -14,7 +14,7 @@ Look here in order to find use on your video stream algoritms like: motion extra
   =============== ======================================================
    |BgSub|        **Title:** :ref:`Background_Subtraction`
 
-                  *Compatibility:* > OpenCV 2.4.5
+                  *Compatibility:* > OpenCV 2.4.6
 
                   *Author:* |Author_DomenicoB|
 
@@ -34,4 +34,3 @@ Look here in order to find use on your video stream algoritms like: motion extra
    :hidden:
 
    ../background_subtraction/background_subtraction
-

samples/cpp/tutorial_code/video/bg_sub.cpp

@@ -156,7 +156,7 @@ void processImages(char* fistFrameFilename) {
         string suffix = fn.substr(index2);
         string frameNumberString = fn.substr(index+1, index2-index-1);
         istringstream iss(frameNumberString);
-		int frameNumber;
+        int frameNumber = 0;
         iss >> frameNumber;
         rectangle(frame, cv::Point(10, 2), cv::Point(100,20),
                   cv::Scalar(255,255,255), -1);