nts"></a></h2>


<dl><dt id="arg-image">image<a class="anchor" aria-label="anchor" href="#arg-image"></a></dt>
<dd><p>An <code><a href="Image-class.html">Image</a></code> object.</p></dd>


<dt id="arg-threshold-">threshold1<a class="anchor" aria-label="anchor" href="#arg-threshold-"></a></dt>
<dd><p>A numeric indicating the first threshold for the hysteresis
procedure</p></dd>


<dt id="arg-threshold-">threshold2<a class="anchor" aria-label="anchor" href="#arg-threshold-"></a></dt>
<dd><p>A numeric indicat