
RTR-4 Operator’s Manual
System Operation
120300 Rev. D
SAIC Proprietary
4-21
Using Edge Detection
Description
Edge detection displays white lines on a dark background where
the edge of objects appear.
Invert Grayscale
can be used to show
a reverse image-black lines on a white background. Follow this
procedure to edge detect 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 RTR0021
Edge detect an image as follows:
NOTE
Noise reduction may be used several times before
distortion become severe. Use
Ctrl+Z
key
combination or click the
Undo
button
on the
toolbar to undo. Also, you may return to the
Original
buffer.
STEP
ACTION
RTR0018b
STEP
ACTION
1
Select one of the following commands:
• Edge Detect>Horizontal
• Edge Detect>Vertical
• Edge Detect>General
from the
Modify
pull-down menu.
2
The Edge Detected image appears in the
Modified
buffer.