lled the <strong>signature</strong> and machine learning is used to create the signature generator.
Two signatures are considered similar if their <a class="reference external" href="https://en.wikipedia.org/wiki/Euclidean_distance">euclidean distance</a> is below a certain threshold.</p>
<p>This is illustrated as follows:<br/>
<img alt="" src="../../_images/fingerprint_signature_overview.png"/></p>
<p><strong>NOTE:</strong> While this tutorial uses grayscale images of fingerprints, many other sample types 