Brightness Control - Omron ZFX-C User Manual

Brightness Control

Digitally corrects contrast in the image according to the input image. This setting is effective only when a
monochrome camera is connected to the Controller.
Brightness control processing is executed after filtering and BGS level processing.
Brightness control automatically corrects the brightness of the input image to the pre-registered reference
value during measurement.
Example: Input value (brightness of the input image): 23, Reference value (registered value of brightness): 92
Reference image
The region to perform brightness control
Reference value: 92
Input image
Input value: 23
MENU mode - [Setup] - [Item] - [Img Adj] - [Select camera] - [Brightness control]
Item Description
ON Performs brightness
OFF (default value) Does not perform brightness
Configure the following options when brightness control is set to ON.
Item Description
Control region Sets the region in which the reference value is calculated.
Reference registration When the [AUTO] button is pressed, the current brightness in the control region is regis-
tered as the reference value.
AUTO function When [Auto function] is set to [OFF], the reference value is not updated when the AUTO
function is next executed.
Note
Reference registration
In the [Reference registration] screen, you can adjust the reference value while comparing the images on the left
and the right.
Image before brightness
control
When [AUTO] is pressed, the
reference value is automatically
calculated.
ZFX-C User's Manual
Coefficient 4.0X
control
Brightness 4.0X
control
.
control
.
0.Area Ref. registration
Camera 0 LIVE
92
AUTO Apply Cancel
The reference value can be adjusted.
SD
Image after brightness
control
Capture
Setting Measurement Items
103