Operation and Features
BASLER L304
kc 3-29
Draft
3.6.3 Red Offset, Green Offset and Blue Offset
On L304kc cameras, the offset settings for the red line, the green line and the blue line in the
sensor are individually adjustable. For example, adjusting the red offset setting will increase or
decrease the offset applied to the pixel values from the red line in the camera’s sensor.
When the camera is set for 8 bit output, the offset for each line is adjustable within a range from
-200.0 DN to +200.0 DN (digital numbers) in increments of 0.5 DN. When the camera is set for 10
bit output, the offset for each line is adjustable within a range from -800.0 DN to +800.0 DN (digital
numbers) in increments of 0.5 DN.
Increasing the offset by one will cause the average pixel value for each line transmitted by the
camera to increase by one digital number. Decreasing the offset by one will cause the average
pixel value for each line transmitted by the camera to decrease by one digital number. For
example, increasing the red offset by one will cause average pixel value for each red line
transmitted by the camera to increase by one. And decreasing the red offset by one will cause
average pixel value for each red line transmitted by the camera to decrease by one.
3.6.3.1 Setting the Red Offset, the Green Offset and the Blue Offset
You can set the red offset, green offset and blue offset with the Camera Configuration Tool Plus
(CCT+) or by using binary write commands from within your own application to set the camera’s
control and status registers (CSRs).
With the CCT+
With the CCT+ (see Section 4.1), you use the Red Offset, the Green Offset and the Blue Offset
parameters in the Gain & Offset parameters group to set the red, green and blue offset.
By Setting CSRs
You set the red offset by writing a value to the Absolute Red Offset field or to the Raw Red Offset
field of the Red Offset CSR (see page 4-22).
You set the green offset by writing a value to the Absolute Green Offset field or to the Raw Green
Offset field of the Green Offset CSR (see page 4-23).
You set the blue offset by writing a value to the Absolute Blue Offset field or to the Raw Blue Offset
field of the Blue Offset CSR (see page 4-23).
Section 4.2.2 explains CSRs and the difference between using the “absolute” field and the “raw”
field in a CSR. Section 4.3.1 explains using read/write commands.
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