on0
<BR>
brightness-distribution1
<BR>
brightness-covariance 
</TT></PRE>
<BR>
<BR>

<DL COMPACT>
<DT> 
<DD><TT>Pixel-image</TT> is the two dimensional array with displaying facility
in xwindows. The pixel conversion is performed by <EM>display-lut</EM> and
the resulted image is stored in <EM>xpicture</EM>.
Major axis is taken vertically. The pixel of <TT>img</TT> at <TT>(x, y)</TT>
should be accessed by <TT>(aref img y x)</TT>.
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="39289"></A>
<B>:width</B> [method]

<DL CO