  </span>
        </code>
        and then normalized using
        <code class="docutils literal notranslate">
         <span class="pre">
          mean
         </span>
         <span class="pre">
          =
         </span>
         <span class="pre">
          [0.485,
         </span>
         <span class="pre">
          0.456,
         </span>
         <span class="pre">
          0.406]
         </span>
        </code>
        and
        <code class="docutils literal notranslate">
         <span c