hannel_deref_fn</a>() {}
<a name="l00494"></a>00494         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <a class="code" href="g_i_l_0513.html" title="Function object that returns a grayscale reference of the K-th channel (specified...">kth_channel_deref_fn</a>(<span class="keyword">const</span> <a class="code" href="g_i_l_0513.html" title="Function object that returns a grayscale reference of the K-th channel (specified...">kth_channel_deref_fn&lt;K,P&gt;</a>&amp;) 