nd on the <code>k</code> and <code>windowsize</code> arguments.</p></li>
<li><p>If any non-numeric value different than <code>"Otsu"</code> and <code>"adaptive"</code> is used,
an iterative section will allow you to choose the threshold based on a
raster plot showing pixel intensity of the index.</p></li>
</ul></dd>


<dt id="arg-k">k<a class="anchor" aria-label="anchor" href="#arg-k"></a></dt>
<dd><p>a numeric in the range 0-1. when <code>k</code> is high, local threshold
values tend to be lower. when <cod