Background Suppression - Omron F400 - 06-1999 Operation Manual

Adjusting Images
1. Move the cursor to the Filtering method (OFF in this example) and press the
2. Use the Left and Right Keys to select the filtering method. Check the image
Filtering
Use the Left and Right Keys to switch between weak smoothing,
strong smoothing, edge enhancement, and edge extraction.
3. Press the ENT Key. The filtering settings will be saved and the display will return
Note The selected filtering method is used for measurement. Different filtering can be set
for position displacement compensation.
Refer to 3-2-1 Adjusting Images for Easier Position Compensation
3-1-6

Background Suppression

Background suppression (BGS) changes image areas with densities below the lower
limit to 0, and image areas with densities above the upper limit to 255. Image areas
with densities between the lower and upper limits are graded from 0 to 255 so that
only images with densities between the lower and upper limits are measured.
Monitor the image and set the upper and lower limits of the density to eliminate the
background.
34
ENT Key. The Filtering Window will be displayed. Use the Left and Right Keys to
change the list of options if Filtering does not appear on the list.
Adjust
:Switch
while selecting the appropriate filtering method.
2
OFF
Weak Strong
OFF
smoothing smoothing
to the Adjust (image adjustment) Window.
Filtering
OFF
BGS levels
0:255
Shutter
1/2000s
Calibration
512.000
Red thr
Enhance Extract
edges edges
Section 3-1
1
p. 38
— Color Filter —