How to restore the camera’s factory offset

Knowledge Base
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Issue

For cameras manufactured before June 2023, the following error message may appear during calibration:

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Restore the camera’s factory offset

Preparation

  1. Download the factory extrinsic parameter group based on the on-site camera’s serial number (contact technical support or Wang Xupeng in Shanghai office).
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  2. Place the corresponding extrinsic parameter group file into the calibration folder in the respective project’s directory.

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  3. In the file cailbSetting.json, modify the camera’s IP address to match the IP address currently being used by the camera.
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Restoring steps

1. In Mech-Vision’s title bar, select “Camera Calibration” in “Camera(C)”.

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2. Place the downloaded factory extrinsic parameter group file into the “calibration” folder within the project’s directory. Then check the box “Load calibration parameters” and set the directory accordingly.

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3. In the Calibration window, check the box “Recalculate compensation parameters” and click “Recalculate extrinsic parameters”. Afterwards, the offset will be restored to its factory state.

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Long-term solution

For later projects in which Mech-Vision 1.8 version is used, the corresponding offsets (compensation parameters) will be modified in the external parameter file. There is no need to restore factory offsets.