title: How to Resize image without loosing image quality in c++ or opencv
body: <ul>
  <li><p>I am working on one project and for that i need to scale up image.  </p></li>
  <li><p>I have tried  <strong>re size</strong> function of OpenCv library for re sizing.But image quality is decreased.   </p></li>
  <li><p>Suppose i have image of 136x136 size and i want to re size it to 209x209 with same quality.How can i do it?  </p></li>
  </ul>