neno">  255</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (chI == 4 &amp;&amp; chO == 1) {</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    cv::cvtColor(imageOut, imageOut, cv::COLOR_BGRA2GRAY);</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (chI == 4 &amp;&amp; chO == 3) {</div><div class="line"><a name="l00258"><