Photon Focus CameraLink MV1-D1280, User Manual

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5 Functionality
a
y = f ( x )
x
x
m a x
x
0
x
1
y
m a x
b
c
d
Figure 5.16: Commonly used LUT transfer curves
5.5.1 Gain
The ’Gain’ mode performs a digital, linear amplification with clamping (see Fig. 5.17). It is
configurable in the range from 1.0 to 4.0 (e.g. 1.234).
0 200 400 600 800 1000 1200
0
50
100
150
200
250
300
Grey level transformation − Gain: y = (255/1023)
⋅
a
⋅
x
x: grey level input value (10 bit) [DN]
y: grey level output value (8 bit) [DN]
a = 1.0
a = 2.0
a = 3.0
a = 4.0
Figure 5.17: Applying a linear gain with clamping to an image
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