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<H4>COMPARISON</H4>
Each multi-class classifier behaves differently. The diagram below
illustrates how various pixels would be classified using the three
types of classifiers (note: the Gaussian ellipsoids used in the
example could be made larger or smaller using THRS).
<P>
<PRE>
           CLASS A
 +-------------------.....-+               ...  outlines Gaussian
 |   a          ...       .|                    hyperellipsoid
 |          ..           ..|
 |       ..             .. |               +--+ outlines bounding
 |    ..   b          ..   |                    parallelepiped
 |  ..      +-----------------------.....-+
 | ..       |  c  ..       |  ...        .| pixel  PARA  FULL  TIES
 |..        |   ..   d   ..|            ..|   a      A     0     A
 |.         | ..     ..  e |           .. |   b      A     A     A
 |..       .|     ..       |         ..   |   c     tie    A     A
 +-.....-------------------+    f  ..     |   d     tie    0     0
            |  ..                ..   g   |   e     tie    B     B
      h     | ..               ..         |   f      B     B     B
            |..            ...            |   g      B     0     B
            |.           ..               |   h      0     0     0
 CLASS B    +--.....----------------------+
</PRE>
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