System Operation
RTR-4 Operator’s Manual
4-20
SAIC Proprietary
120300 Rev. D
Reducing Image Noise
Description
Noise is randomly colored and scattered pixels within an image
that give the image a cluttered and unclear appearance. Follow
this procedure to reduce noise in an image.
Prerequisites
Verify the following prerequisites are completed before beginning
this procedure:
• The RTR-4 imaging software has been properly configured and
is loaded and running.
• An image is displayed in the
Original
buffer.
Procedure RTR0020
Reduce image noise as follows:
2
Select one of the following commands:
• Smooth>Fine
• Smooth>Moderate
• Smooth>Extreme
from the
Modify
pull-down menu.
NOTE
An image may be smoothed several times before
distortion become severe. Use
Ctrl+Z
key
combination or click the
Undo
button
on the
toolbar to undo a smooth. Also, you may return to the
Original
buffer.
STEP
ACTION
RTR0018b
STEP
ACTION
1
Select one of the following commands from the
Modify
pull-down menu.
• Noise Reduction>Average
• Noise Reduction>Median
• Noise Reduction>Despeckle
2
The noise reduced image appears in the
Modified
buffer.