title: Algorithm to count people in a crowd
body: <p><img src="https://i.stack.imgur.com/YMqNQ.png" alt="enter image description here">We need to count the number of people in a crowd and we have used the <code>opencv_traincascade</code> but it detects many things. </p>
  
  <p>What could be the other approach we can use?</p>