title: Add a resizing layer to a keras sequential model
body: <p>How can I add a resizing layer to </p>
  
  <pre><code>model = Sequential()
  </code></pre>
  
  <p>using </p>
  
  <pre><code>model.add(...)
  </code></pre>
  
  <p>To resize an image from shape (160, 320, 3) to (224,224,3) ?</p>