Setting Measurement Items
ZFX-C User’s Manual
3
SETTING THE MEASUREMENT CONDITIONS
101
Pre-processing
This function processes images captured from the camera so that they can be easier-to-measure. Eight
filtering options are available so that you can set filtering different for each of position correction and actual
measurement.
When you move the cursor, a filtered image of the image at the cursor position is displayed on the right side of
the monitor. Set the filter while monitoring the image on screen.
X MENU mode - [Setup] - [Item] - [Img Adj] - [Select camera] - [Filtering]
Filter Strength
Filtering Target Image Description of Filtering
OFF (default value) - -
Smooth Measurement targets con-
taining 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 tar-
gets containing black noise
Spreads the white component to eliminate the black noise.
Median Measurement targets con-
taining slightly unevenness
Softens the unevenness while keeping the image contour
intact.
Sharpen Measurement targets con-
taining 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.
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.
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