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AXIS P12 Series
Setup
Image quality
About capture modes
How to select capture mode
Which capture mode to choose depends on the requirements of frame rate and resolution for the specific surveillance setup. For
specifications about available capture modes, see the product's datasheet. To find the latest version of the datasheet, go to axis.com
How to select exposure mode
There are different exposure mode options in the camera that adjusts aperture, shutter speed, and gain to improve image quality for
specific surveillance scenes. Go to Settings > Image > Exposure and select between the following exposure modes:
•
For most use cases, select Automatic exposure.
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For environments with certain artificial lighting, for example fluorescent lighting, select Flicker-free.
Select the same frequency as the power line frequency.
•
For environments with certain artificial light and bright light, for example outdoors with fluorescent lighting at night and
sun during daytime, select Flicker-reduced.
Select the same frequency as the power line frequency.
•
To lock the current exposure settings, select Hold current.
How to reduce noise in low-light conditions
To reduce noise in low-light conditions, you can adjust one or more of the following settings:
•
Make sure that the exposure mode is automatic.
Note
Increasing the max shutter value can result in motion blur.
•
The shutter speed should be as slow as possible, which means you should set max shutter to the highest possible value.
•
Reduce sharpness in the image.
•
Try lowering the max gain value.
How to reduce motion blur in low-light conditions
To reduce motion blur in low-light conditions, you can adjust one or more of the following settings:
Note
Image noise will increase if you increase the gain.
•
Increase shutter speed and gain. Go to Settings > Image > Exposure and set Max shutter to a lower value, and Max gain
to a higher value.
If you are still experiencing motion blur, you can try one of the following:
•
Increase the light level in the scene.
•
Mount the camera so that objects move toward it or away from it rather than sideways.
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