 341</span>&#160;  cv::Mat_&lt;float&gt; blurred(mat.size(), 0.0);</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y &lt; mat.rows; ++y) {</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; mat.cols; ++x) {</div><div class="line"><a name="l00344"></a><span class="line