35
1.2.3 Filter Types
1.
Not Used
a.
No use Minimum Size Filter for this channel.
2.
Normal
a.
Use a Normal type of Minimum Size Filter.
b.
Typically used when the viewing angle is distant, and the screen area contains
objects of approximately similar size.
c.
Set a single box and compare all objects to the size of that box. Objects smaller
than the box are filtered out.
3.
Perspective Correct Interpolation
a.
Set two boxes based on perspective.
b.
Set the Near Object Min Size box smaller than the size of objects in the near part
of the screen at the bottom.
c.
Set the Far Object Min Size box smaller than the size of objects in the far part of
the screen at the top.
d.
A minimum size filter box, calculated as a percentage of the near box and far
box, is applied per screen area.
e.
Minimum Size Filter with perspective applied based on where the object
appears.