objects even when they are touching one other.
If <code>FALSE</code>, all pixels for each connected set of foreground pixels are set
to a unique object. This is faster but is not able to segment touching
objects.</p></dd>


<dt id="arg-tolerance">tolerance<a class="anchor" aria-label="anchor" href="#arg-tolerance"></a></dt>
<dd><p>The minimum height of the object in the units of image
intensity between its highest point (seed) and the point where it contacts
another object (checked for every contact pixel).