Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/MODEL|Examples">Examples</a><hr>
<H4>Filtering</H4>
Perform a 3x3 smoothing filter on channel 4.
<P>
<PRE>
        %7 = (%4[-1,-1] + %4[ 0,-1] + %4[ 1,-1] + 
              %4[-1, 0] + %4[ 0, 0] + %4[ 1, 0] +
              %4[-1, 1] + %4[ 0, 1] + %4[ 1, 1] ) / 9;
</PRE>
PACE program FAV performs this operation more efficiently.
<P>
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Parent Topic: <A href="http://www.pcigeomatics.com/cgi-bin/pcihlp/MODEL|Examples">Examples</a><br>
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