title: How do I detect squares/rectangle or an other shape with EMGU CV?
body: <p>I want to make an apps detect an square/rectangle in my webcam using EMGU CV (an OPENCV wrapper). The square/rectangle will have a solid color.</p>
  
  <p>if it's posible I would like to obtain the width and heigth of the square/rectangle</p>
  
  <p>In this video you can see what I would like to do.<br>
  <a href="http://www.youtube.com/watch?v=ytvO2dijZ7A&amp;NR=1" rel="nofollow noreferrer">http://www.youtube.com/watch?v=ytvO2dijZ7A&amp;NR=1</a></p>
  
  <p>I'm working with C#</p>