/a><span class="lineno">  249</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (chI == 1 &amp;&amp; chO == 4) {</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    cv::cvtColor(imageOut, imageOut, cv::COLOR_GRAY2BGRA);</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (chI == 3 &amp;&amp; chO == 1) {</div><div class="line">