Linea HS Series Camera User's Manual
Camera Performance and Features
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8.
Click on the Save LUT button to create a LUT file.
9.
This file can be loaded into the camera using the File Access features. It is saved with the
current Load / Save Configuration user set; ensure that a user set and not the factory set is
selected, otherwise the upload will fail.
10.
Deselect the Lookup Table | Enable feature.
11.
Return the Board parameters
Pixel Depth
= 8, and
Image Buffer
= 8-bits.
•
Important Points:
•
The frame grabber must be configured mono 12-bits in, 16 bits out.
•
In the Parameters explorer a frame grabber feature must be selected, not a
camera feature.
•
The Lookup table must be enabled to be created but should be disabled to
use the camera LUT.
Adjusting Responsivity and Contrast Enhancement
See the section Camera Control Category in Appendix A for GenICam features associated with this
section and how to use them.
Related Features:
It is best for camera performance to always use the maximum exposure time possible based on the
maximum line rate of the inspection system and any margin that may be required to accommodate
illumination degradation. However, it will be necessary to adjust the responsivity to achieve the
desired output from the camera. The camera has gain and black level (offset) features that can be
used to adjust the camera’s responsivity.
Gain and black level settings are applied as follows:
DN
out
= ((DN
in
+ Black Level) * Gain) * System Gain
X
X
+/-
black
level
(offset)
gain
system
gain
Figure 44: Black Level, Gain and System Gain Processing Chain
Refer to the Camera Processing Chain section for an overview of the entire processing chain.
For monochrome cameras gain adjustment is applied to all sensor array output rows; for the
multifield color model gain can be applied to each color array output row individually. Row gains
can be adjusted from 1 to ~4x. System Gain can be adjusted from 1 to 10x.
When an image contains no useful dark image data below a specific threshold, then it may be
beneficial to increase the contrast of the image.