Adjusting the Images That Were Taken
70
FQ2-S4 User’s Manual
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
Specify the Camera image for the first filter item for image processing.
If you execute more than one filter item for the image, set the source image for the other filter items to the previous
image.
Also, you can perform image processing with filter items only to enable processing with position compensation
items.
In that case, only the position information from position compensation is applied to the image to be measured.
For details, refer to Using Filter Items for Processing with Position Compensation Items on page 77.
Selected filter item
Description
Color Gray Filter (only for Sen-
sors 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.
Note
→
• 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
Содержание FQ2-S4
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Страница 58: ...Setting Up Ethernet 56 FQ2 S4 User s Manual MEMO ...
Страница 214: ...Calculations and Judgements Using Inspection Item Data 212 FQ2 S4 User s Manual MEMO ...
Страница 234: ...Adjusting Judgement Parameters during Operation 232 FQ2 S4 User s Manual MEMO ...
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