title: How to reduce the number of boxes/regions created in MSER
body: <p>I have been trying to get less boxes with MSER since I have too many boxes created on the same element repeatedly with very little pixel differences. My code is as below:</p>
  
  <pre><code> ## Get mser, and set parameters
  
     _delta = 10 
  _min_area = 250 
  _max_area = 800
  _max_variation = 10.0 
  _min_diversity = 30.0
  _max_evolution = 10 
  _area_threshold = 12.0
  _min_margin = 2.9 
  _edge_blur_size = 3  
  
  mser = cv2.MSER_create(_delta,_min_area, _max_area, _max_variation,
  _min_diversity,_max_evolution, _area_threshold, _min_margin, _edge_blur_size)
  </code></pre>
  
  <p>and then </p>
  
  <pre><code> ## Do mser detection, get the coodinates and bboxes on the original  image
        gray = cv2.cvtColor(final, cv2.COLOR_BGR2GRAY)
         coordinates, bboxes = mser.detectRegions(gray)
  </code></pre>
  
  <p>After this , I see there are 26K boxes created. Which amongst the parameters can be tuned for lesser number of regions(since they are overlapping a lot). Kindly help?</p>