29
2-5 Getting the clear image
Main Operation
2-5-3
Pre-processing
What is the Pre-processing?
This function changes the camera image into the image which is easier to
measure.
Important
You can set the different pre-processing for each position correction and mea-
surement item.
MENU mode - [Setup] - [Item] - [Img Adj] - [Select camera] - [Filtering]
Note Filter Strength
The filter strength can be selected when applying the filtering options to
images. Each selection of the [5x5 filter]/[3x3 filter] in the filtering setup screen
toggles the filter strength.
Filtering
Target Image
Description of Filtering
OFF (default value)
-
-
Smooth
Measurement targets containing slightly
unevenness
Creates a cloudy effect to soften the unevenness.
Erosion
Black measurement targets containing
white noise
Reduces the white component to eliminate the noise.
Dilation
White measurement targets containing
black noise
Spreads the white component to eliminate the black
noise.
Median
Measurement targets containing slightly
unevenness
Softens the unevenness while keeping the image
contour intact.
Sharpen
Measurement targets containing fuzzy
areas (fluctuating lighting, etc.)
Enhances the border lines between light and dark
areas in the image.
V Edge
Images that are difficult to pick up due to
poor contrast
Picks up the vertical border lines (contrast) in the
image.
H Edge
Images that are difficult to pick up due to
poor contrast
Picks up the horizontal border lines (contrast) in the
image.
All Edge
Images that are difficult to pick up due to
poor contrast
Picks up all border lines (contrast) in the image.
Smooth
Median
H Edge
Erosion
Dilation
V Edge
Sharpen
All Edge
Z01E-EN-01+ZFX+SettingGuide.book Seite 29 Mittwoch, 13. Februar 2008 2:38 14
