neno">   48</span>&#160;            pixels_are_compatible</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            &lt;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;                <span class="keyword">typename</span> std::iterator_traits&lt;InIterator&gt;::value_type,</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;                <span class="keyword">typename</span> std::iterator_traits&lt;OutI