title: How to recognize, Human Face from an Image(s) in iPhone/Ipad?
body: <p>I want to create an app ,that will recognize human face , if there is no Face detected then it will return proper message.</p>
  
  <p>Is there any Framework OR Class with used of we recognize Face from an images</p>
  
  <p><img src="https://i.stack.imgur.com/6iKnD.jpg" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/fX2NB.jpg" alt="enter image description here"></p>