ACT>
<DT> 
<DD> 
translates this image using a look-up table that concatenated <EM>lut1</EM> 
and <EM>lut1</EM>. And returns translated pixel-image object.
</DD>
</DL>
<BR>
<BR>

<A NAME="39551"></A>
<B>:histogram</B> [method]

<DL COMPACT>
<DT> 
<DD> 
counts the occurrence of each pixel value in this image and returns 
an integer-vector representing the histogram.
</DD>
</DL>
<BR>
<BR>

<A NAME="39561"></A>
<B>:brightness-distribution</B> [method]

<DL COMPACT>
<DT> 
<DD> 
returns brightness-distribution.
