Baumer VLXT - Page 122

122
V2.6 | 8/30/2022 | 1120758
How to set up HDR with Baumer Camera Explorer
1. Start the Camera Explorer. Open the camera. Select the prole GenICam Guru
if necessary.
2. Make sure HDR is inactive (Category: HDRControl → HDREnable = False).
Congure the lighting situation as it will be for the planned application.
3. Open the Diagram Tool [F7]. Activate the Selection. Select the brightest area
in the image.
4. Set the exposure time (Category: Ac-
quisitionControl → ExposureTime) of
the camera so that the histogram peak
value is between the values of 175 to
235.
→ Now you do not lose information in
the bright area.
5. Stop the camera.
Notice
Do not use the feature (Category: AcquisitionControl → AcquisitionStop) in
the feature tree.
This has other inuences on the image acquisition too.
Use the button on the toolbar of the Camera Explorer or [F11].
6. Activate HDR (Category: HDRControl → HDREnable = True).
7. Gain-Controlled (row-based)
Select the gain ratio with the HDRGain-
RatioSelector feature.
Select the value for HDRGainRatioSe-
lector so that the dark image areas
contain sufcient gray value informa-
tion.
Notice
HDRGainRatioSelector is set by
default to the value of 12dB (high-
est possible gain).
Exposure-Controlled (row-based)
Select the exposure ratio with the
HDRExposureTimeRatio feature.
Select the value for HDRExposure-
TimeRatio so that the dark image ar-
eas contain sufcient gray value infor-
mation.
Notice
HDRExposureTimeRatio is set by
default to the value of 16.
8. Start the camera again.
Notice
Do not use the feature (Category: AcquisitionControl → AcquisitionStart) in
the feature tree.
This has other inuences on the image acquisition too.
Use the button on the toolbar of the Camera Explorer or [F12].