n> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>

<span class="c1"># Apply a single blur pass</span>
<span class="n">blur3d</span><span class="p">(</span><span class="n">rgb_image</span><span class="p">)</span>

<span class="c1"># Apply multiple blur passes for stronger blur effect</span>
<span class="n">blur3d</span><span class="p">(</span><spa