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Calibir GXM640 IR Camera User's Manual
Features and Configuration Options
53
The maximum gain setting is useful for very low contrast scenes where the range of
values in the 16-bit image is very small and the dynamic adaptive contrast enhancement
would otherwise introduce noise and other image artifacts due to the small amount of
data present.
To enable the maximum gain feature, use the contrastMaxGainEnable feature, and set
the maximum gain value (contrastMaxGainValue feature).
0
255
Maximum Gain = 10X
Larger Maximum Gain = Smaller Range of Pixels in 16-bit Image to Map
16-bit image range = 256 DN
16-bit
Histogram
0
255
Maximum Gain Value Determines Range of Pixels to Map
Maximum Gain = 1X
16-bit image range = 25 DN
16-bit
Histogram
Figure 17: Contrast Enhancement Maximum Gain