VT Camera Link series
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VW40-161-001
9.8
LUT
The Lookup Table (LUT) feature allows you to convert original image values to certain level values.
Luminance
Since it is mapped one to one for each level value, 12 bit output can be connected to 12 bit input. The LUT is in
the form of table that has 4096 entries between 0
– 4095 and VT camera provides a non-volatile space for LUT
data storage. You can determine whether to apply LUT. For more information about how to download LUT to the
camera, refer to
12-bit Data
4096 entry
Lookup Table
12-bit Data
Figure 9.5 LUT Block
Figure 9.6 LUT at Gamma 0.5
LUT
0
500
1000
1500
2000
2500
3000
3500
4000
0
500
1000
1500
2000
2500
3000
3500
4000
Input Level
O
u
tp
u
t L
e
ve
l