User manual

85XX Series Network DVR User Manual……………………………………………………………………….V1.0
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Once the changes have been applied, the Calibration Status reflects whether the operation was successful,
and if so, in which mode the camera is calibrated.
Step 3: Verify the setup
Once you are happy that the scene is correctly calibrated, verify the settings by dragging the mimics around
and comparing them to other people or people-sized objects in the scene.
The more locations in the scene where the calibration is verified, the more accurate the calibration will be.
The 3 calibration parameters can be fine-tuned in the same way as detailed in Step 2.
Refer to the Camera Page Elements Topic for information regarding additional calibration tools that can help
improve the accuracy of the calibration.
Once the settings have been successfully applied, objects in the scene are annotated with height, area, speed
and classification. To change the measurement units between Metric and Imperial, please refer to the
Measurement Units Topic.
Tip: If it all goes wrong
If you find that the mimics get lost or disappear due to an odd calibration configuration, the process can be
restarted by clicking the "Restore" button.
4.4.2.11 Advanced Calibration Parameters
The advanced calibration parameters allow the ground plane to be panned and rolled without affecting the
camera calibration parameters. This can be useful to visualize the calibration setup if the scene has pan or roll
with respect to the camera.
Note that the pan and roll advanced parameters only affect the orientation of the 3D ground plane so that it can
be more conveniently aligned with the video scene, and does not actually affect the calibration parameters.
To use the advanced parameters click on the advanced parameters button. Drag the pan and roll slider
controls to change the pan and roll of the ground plane.