Baumer EXG03 사용자 설명서 - 페이지 21
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4.3.1.
User-specific
The user-specific color adjustment in Baumer color cameras facilitates adjustment of the
correction factors for each color gain. This way, the user is able to adjust the amplifica-
tion of each color channel exactly to his needs. The correction factors for the color gains
range from 1 to 4�
non-adjusted
histogramm
4.3.2.
One Push
White Balance
Here, the three color spectrums are balanced to a single white point. The correction fac-
tors of the color gains are determined by the camera (one time).
4.4. Analog Controls
4.4.1. Offset / Black Level
On Baumer cameras, the offset (or black level) is adjustable from 0 to 16 LSB (relating
to 8 bit).
The given values refer to the digital Offset.
The analog offset works automatically and is not adjustable.
Camera Type
Monochrome
EXG03
EXG50
Color
EXG03c
4.4.2. Gain
In industrial environments motion blur is unacceptable. Due to this fact exposure times
are limited. However, this causes low output signals from the camera and results in dark
images. To solve this issue, the signals can be amplified by a user-defined gain factor
within the camera. This gain factor is adjustable from 1 to 10.
Increasing the gain factor causes an increase of image noise.
Color Adjustment
non-adjusted
histogramm
histogramm after
user-specific
color adjustment
histogramm after
„one push" white
balance
Step Size 1 LSB
Relating to
10 bit
12 bit
10 bit
◄ Figure 25
Examples
of
histo-
gramms for a non-
adjusted image and for
an image after user-
specific white balance.
◄ Figure 26
Examples
of
histo-
gramms for a non-ad-
justed image and for an
image after "one push"
white balance.
Auto Gain:
Some models of the EXG
series are equipped with
the ability for automatic ad-
justment of the gain factor
by means of target-settings
in respect of the intensity of
the recorded images.
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