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Chapter 10 Post-Acquisition Processing Mask Operations 159
Parameters tab page
Smoothing is also accomplished by mask operations, in this case parameters entered on
the Smoothing Parameters tab page. These masks, sometimes called low pass filters,
attenuate regions with high contrast, while leaving pixels in regions of low contrast
almost unchanged. Figure 138 illustrates the smoothing filter effect.
Output tab page
The Output tab page allows you to name the output file. It additionally allows you to
select whether the modified data is to be displayed and to select the data type. The frame
and X-Y range are reported information only.
Figure 137.
Smoothing
Parameters tab
page.
Figure 138.
Original image
(left) and
smoothed
image (right).