43"></a><span class="lineno">   43</span>&#160;  <span class="keywordflow">if</span> (images.size() == 1) {</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordflow">return</span> images[0];</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;  }</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  cv::Mat_&lt;T&gt; stacked = images[0].clone();</div><div class="line"><a name="l00047"></a><sp