options.html#duplicate">-duplicate <var>count,indexes</var></a></td>
    <td>duplicate an image one or more times</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#edge">-edge <var>radius</var></a></td>
    <td>apply a filter to detect edges in the image</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#emboss">-emboss <var>radius</var></a></td>
    <td>emboss an image</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#encipher">-encipher <var>filename</var></a></td>