HikRobot CoaXPress, Руководство пользователя

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CoaXPress Area Scan Camera
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User Manual
61
For different models of camera, the black level range may be different, please refer to the actual
one you got.
11.15 Set White Balance
White balance is only available for color cameras.
The white balance refers to the camera color adjustment depending on different light sources.
Adjust the R/G/B ratio to ensure that the white regions are white under different color
temperatures. Ideally, the proportion of R/G/B in the white region is 1:1:1.
Table 11-4 White Balance Mode Description
White Balance Mode Description
Off You need to set the R, G, B ratio manually via Balance Ratio Selector and
Balance Ratio. The range is from 1 to 16376, and 1024 means ratio is 1.0.
Once Adjust the white balance for a certain amount of time then stop.
Continuous
Adjust the white balance continuously.
It is recommended to correct white balance when there is great difference between the camera’s
color effect and actual effect. You can correct white balance as shown below.
Steps:
1. Put a white paper in the range of the camera’s field of view, and make sure the paper covers
the entire field of view.
2. Set exposure and gain. It is recommended to set image brightness value between 120 and 160.
3. Select Once as Balance White Auto, and the camera will automatically adjust white balance
for once.
If there is still great difference between correction effect and actual color, it is recommended to
correct white balance according to following steps.
Steps:
1. Select Off as Balance White Auto. At this time, Balance Ratio is 1024.
2. Find corresponding R/G/B channel in Balance Ratio Selector. Here we take Green as an
example.
3. Find camera’s R/G/B value.