PMA_CHR_CD40199_R01_allPIXA_SWIR_GigE_User_Manual.docx
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Adjust integration time, sensor gain and illuminance (LED current):
3
•
In the
Acquisition Control
feature group, adjust
Exposure Time
to get a normally exposed
image.
.
“
Normally exposed
”
means that the gray values of the brightest parts of the white reference
image are approx. 60-80% of the maximum value for the selected bit depth.
For the respective maximum value see
Pixel Dynamic Range Max
in the
Component
Selector
of the
Image Format Control
feature group:
•
When the
Resulting Line Rate
drops below your speed requirements (defined by camera
resolution and transport speed), increase illumination intensity (LED current) or
Sensor
Gain
in the
Gain Selector
of the
Analog Control
feature group:
Please note:
For optimal image quality keep both sensor gain and digital gain as low as
possible. The higher the gain, the worse the signal-to-noise ratio and overall image quality.
Save settings and reference images:
4
Optionally, you can grab and safe an image of the white reference, a dark image (captured
with covered lens) and the camera settings you came up with for future reference. For
information on grabbing and saving images and user settings refer to the GCT user manual.
