 
<DD>detects edge of this image. And displays this edge on this image.
</DD>
</DL>
<BR>
<BR>

             <P>

<H2><A NAME="SECTION03063000000000000000">
Color-Pixel-Image</A>
</H2>
Color images are represented by <B>color-pixel-image</B> objects
which have three <B>pixel-image</B> objects to represent red, green, and
blue components in RGB representation,
or hue, lightness, and saturation components in the HLS model.
Conversion between RGB and HLS is supported.

<P>

 <BR>
<BR> <BR> 
<A NAME="39651"></A>