strong> or <strong>BGRA (32-bit)</strong>.
<cite>False</cite> for <strong>BGR (24-bit)</strong> (3 channels) and <cite>True</cite> for <strong>BGRA (32-bit)</strong> (4 channels).</p></li>
</ul>
<p><strong>Returns:</strong></p>
<ul class="simple">
<li><p><strong>None</strong>:
The function performs the blur in-place on <cite>bgr_array</cite> and does not return a value.</p></li>
</ul>
<p><strong>Notes:</strong></p>
<ul class="simple">
<li><p>The function uses <strong>Gaussian convolution</strong> 