This section lists the settings found in the Exposure page of the Sharp Portal. Use the Exposure page to adjust the exposure of the license plates in the ALPR image.
To navigate to the Exposure page, click .
The following information is displayed:
- Cameras
- Select ALPR or context camera.
ALPR
- Exposure
- Controls the overall sensitivity of the digital sensor to light.
- Reset
- Reset to the default exposure settings.
Context
- Lighting type
- Select a lighting type from the menu:
- Exposure
- Select an exposure type from the menu.
- Default
- The system automates the exposure settings according to the overall scene illumination.
- Fixed (indoor)
- Select this option when consistent lighting conditions are available. Use the sliders to adjust the Gain and Exposure time, until the overall brightness and clarity you want for the image is achieved.
- Range (outdoor)
- Select this option for variable lighting conditions outdoors. Use the sliders to adjust the Gain and Exposure time, until the overall brightness and clarity you want for the image is achieved.
- Allow illuminator
- Select this to enable the IR illuminator in low light conditions. If Exposure is set to Fixed (indoor), the IR illuminator is fixed to On or Off depending on Allow illuminator checkbox. If Exposure is set to Range (outdoor), the illuminator is automatically turned On or Off depending on light conditions. To completely turn off the illuminator, clear the Allow illuminator checkbox.
- Reset
- Reset to the default exposure settings.