e>k</code> is low, local threshold value tend to be
higher.</p></dd>


<dt id="arg-windowsize">windowsize<a class="anchor" aria-label="anchor" href="#arg-windowsize"></a></dt>
<dd><p>windowsize controls the number of local neighborhood in
adaptive thresholding. By default it is set to <code>1/3 * minxy</code>, where
<code>minxy</code> is the minimum dimension of the image (in pixels).</p></dd>


<dt id="arg-erode-dilate-opening-closing-filter">erode, dilate, opening, closing, filter<a class="anchor" aria-la