#segmentation-quality" title="Permalink to this headline">¶</a></h2>
<p>You can quantify segmentation quality when a <strong>ground truth</strong> segmentation is present, whereas you can  evaluate segmentation quality only visually when a ground truth segmentation is not available</p>
<p>The metrics we use to evaluate segmentation quality are:</p>
<ul class="simple">
<li><p>Measures of overlap agreement: Dice coefficient, Jaccard coefficient, and volume similarity, which quantify the overlap between groun