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I am attempting to create a confusion matrix by running LIDAR inference on the NuScenes Dataset. What's the best way of doing so?

Things I have tried

  • I was successful in running MMDetection3D on LIDAR data but could not decipher what units the output results are in, or how to compare those to the annotations in NuScenes.
  • What is the best way for doing so? tools/test.py does not work for me. I have an issue open in MMDetection3D but nobody has reponded on there.
  • I have tried running the BEVFusion Demo but that does not work as well
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Hey, I am dealing with a similar problem right now. Did you ever figure out how to generate a confusion matrix with the NuScenes dataset?

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1 reply
@ranai-srivastav
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I did not. I ended making a script by myself that works purely for my use case. I will warn you the code was written in haste and it's not well documented. Feel free to try it out and if you wish to make changes and do a PR.

https://github.com/IowaState-AutonomousSystemsLab/opencv-image-saver/blob/main/src/confusion_matrix.py

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