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Hello Wanying Mo, Thanks for reaching out on this forum.
Some of the helpful threads which may help!
[Calibration] Overlay point cloud from two cameras
To determine the cause of the issue, you may want to check the following:
- The device is properly connected and powered on.
- The device is not being obstructed by any objects.
- The device is not being affected by any external factors such as light or temperature changes.
- The device is being used in a well-lit environment.
If you have checked all of these factors and the extrinsic parameters are still not changing, you may want to try the following:
- Restart the device and try again.
- Update the device firmware to the latest version.
- Check the device logs for any error messages.
- Make sure that you are using the correct API calls and that the code is properly configured to retrieve the extrinsic parameters. You can try using a different code sample or library to see if this resolves the issue.
- Try moving the device in different ways to see if this resolves the issue.
- If the extrinsic parameters are being retrieved at the wrong time or in the wrong order, they may not be changing correctly. You can try adjusting the timing or order of the extrinsic parameter retrieval to see if this resolves the issue.
- If you are still having trouble, you may want to consult the Azure Kinect DK troubleshooting guide at https://github.com/MicrosoftDocs/azure-docs/blob/main/articles/kinect-dk/troubleshooting.md for more information.
Please comment in the below section if you need further help in this matter, happy to help you!