ing the second threshold for the hysteresis
procedure</p></dd>


<dt id="arg-aperture-size">aperture_size<a class="anchor" aria-label="anchor" href="#arg-aperture-size"></a></dt>
<dd><p>Aperture size for the Sobel operator (default: 3).</p></dd>


<dt id="arg-l-gradient">L2_gradient<a class="anchor" aria-label="anchor" href="#arg-l-gradient"></a></dt>
<dd><p>A logical flag, indicating whether a more accurate L2 norm
should be used to calculate the image gradient magnitude, or whether the
default L1 norm is 