Omron FQ2-S/CH Series, User Manual, Page: 95 / 590

Adjusting the Images That Were Taken FQ2-S/CH User’s Manual
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Filtering the Images (Filter Items)
You can filter the images that are taken by the Camera to make them easier to measure.
This is used in the following cases.
• To cut unnecessary backgrounds so that they are not measured
• To remove noise
To stably find the edges of marks when other edges have been clearly extracted
Applicable Filters
Selected filter item Description
Color Gray Filter
(only for Sensors with
Color Cameras)
Converts an image that was input from a Color Camera to a monochrome image.
Example: You can extract an image that contains only a specific color.
Extracting an Image That Contains Only Red
Weak Smoothing Used when there are minor irregularities in the measurement object.
The image is feathered to reduce unevenness.
Strong Smoothing
Dilate Used when there is dark noise.
Dark noise is removed by dilating bright places.
Erosion Used when there is bright noise.
Bright noise is removed by eroding bright places.
Median Used when there are minor irregularities in the measurement object.
Unevenness is reduced while maintaining outlines.
Extract Edges Extracts image edges between light and dark.
Extract Horiz. Edges
(extract horizontal
edges)
Extracts horizontal edges between light and dark in the image.
Extract vertical edges Extracts vertical edges between light and dark in the image.
Enhance edges Enhances image edges between light and dark.
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• This inspection item cannot be used for monochrome images. An NG (image error)
will result if you use it for a monochrome image.
• All inspection items after the Color Gray Filter item will be performed in the same way
as when a Monochrome Camera is connected.
Note