USB3.0 Board Level Camera
·
User Manual
52
11.13 Set Gamma Correction
The Gamma correction function may differ by camera models.
Bayer pixel format of color cameras does not support Gamma correction.
The camera supports Gamma correction function. Generally, the output of the camera’s sensor is
linear with the photons that are illuminated on the photosensitive surface of the sensor. Gamma
correction provides a non-linear mapping mechanism as shown below.
Gamma value between 0 and 1: image brightness increases, dark area becomes brighter.
Gamma value between 1 and 4: image brightness decreases, dark area becomes darker.
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0
0.1
0.1
Gamma=1
Gamma=0.5
Gamma=2
Gamma=4
Figure 11-21
Gamma Curve
There are 2 types of Gamma correction, including
User
mode and
sRGB
mode. You can set User
mode as shown below.
Steps:
1.
Click
Analog Control
>
Gamma Selector
.
2.
Select
User
as
Gamma Selector
.
3.
Enable
Gamma Enable
.
4.
Enter
Gamma
according to actual demands, and its range is from 0 to 4.
Summary of Contents for USB3.0
Page 1: ...USB3 0 Board Level Camera User Manual ...
Page 80: ...UD26615B ...
