er vision to detect object boundaries.</p>
<ul class="simple">
<li><p><strong>`canny3d(rgb_array, threshold, low, high)`</strong>:</p></li>
</ul>
<p>Detects edges in an RGB image.</p>
<ul class="simple">
<li><p><strong>`canny1d(bgr_array, width, height, format_32, threshold)`</strong>:</p></li>
</ul>
<p>Detects edges in a linear 1D image representation for efficiency.</p>
<p>There are also <strong>Cython-optimized</strong> versions (<cite>canny3d_c</cite>, <cite>canny1d_c</cite>) that improve perfo