iteral notranslate"><span class="pre">--generate-dataset</span></code> option.</p>
<p><strong>WARNING:</strong> Be sure to backup your dataset directory after adding new samples!</p>
</section>
<section id="data-preprocessing">
<h3 id="data-preprocessing">Data preprocessing<a class="headerlink" href="#data-preprocessing" title="Permalink to this heading">¶</a></h3>
<p>The <a class="reference external" href="https://www.adafruit.com/product/4651">R503 Fingerprint Module</a> generates 192x192 grayscale image