atBlur;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">int</span> w = 2 * blurRadius + 1;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;  cv::GaussianBlur(mat, matBlur, cv::Size(w, w), sigma, 0);</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;  <span class="keywordflow">return</span> matBlur;</div><div class="line"><a name="l00311"></a><s