title: Multiple tracking in a Video
body: <p>I m working on small image processing assignment where I need to track 4 red color object. I got how to track single one. I want to know what is the best approach to track more than one point.</p>
  
  <p>There are 4 points which are positioned to form a rectangle so can I use shape detection or corner detection to detect and track the points Please see image below..</p>
  
  <p><img src="https://i.stack.imgur.com/cRPKj.png" alt="enter image description here"></p>