26
2-5 Getting the clear image
Main Operation
2-5-2
Color Pickup
What is the color pickup?
This function is needed for image binarization (digitalization).After processing
the color pickup, camera image is converted into the binary image.
Up to 4 target colors can be specified for one measurement item.
This function can be set only when a color camera is connected to the control-
ler. When a monochrome camera is connected, binary level can be set.
Color Pickup is available in the below items.
• (Size) Area
• (Size) Labeling (only C20/25)
• (Edge) Position *
• (Edge) Width *
• (Edge) Count *
• (Edge) Angle *
* You can select the color pickup in [Detail] –[Color mode]
Hint of color pickup
Color has three parameters. You can adjust three parameters.
Parameter
Description
Hue
The name of a color,
such as red, yellow or
blue. Hue is expressed by
a chromaticity diagram.
Saturation
The degree to which
color is mixed with white.
When a color has little
saturation, it becomes an
achromatic color. The
higher saturation
becomes, the purer the
color becomes in propor-
tion to hue.
Brightness value
The ratio of light intensity
in a color.
0
359
100 (white)
100 (vivid)
0 (black)
Brightness value
Saturation
Hue
0 (achromatic
color)
Chromaticity diagram
Z01E-EN-01+ZFX+SettingGuide.book Seite 26 Mittwoch, 13. Februar 2008 2:38 14
