Comments (3)
Hi @tomztyang, thanks for your interest.
Would you mind posting some examples with the code you're using to project the cuboids?
Ben
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Hi @benjaminrwilson , thanks for the help!
I align the camera and lidar timestamp according to the "_build_synchronization_cache" (av2.datasets.sensor.sensor_dataloader._build_synchronization_cache).
- However, The timestamps of LiDAR and Camera are still not aligned. For example, for the LiDAR scene with log_id (00a6ffc1-6ce9-3bc3-a060-6006e9893a1a) and timestamp (315967376959702000), the aligned timestamp for ring-cameras are:
* ring_front_center: 315967376949927221
* ring_front_left: 315967376937425442
* ring_front_right: 315967376962451246
* ring_rear_left: 315967376957428273
* ring_rear_right: 315967376942441185
* ring_side_left: 315967376972412936
* ring_side_right: 315967376977482493
Then, I project the GT 3D annotations on timestamp (315967376959702000) to the ring-front-left camera for instance and show the projected results at below:
As you can see here, there is a misalignment between 3d GT and camera.
Therefore, I am wondering can you reproduce this case?
Regards,
Zetong
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hi i am having issues in running av2.torch.data_loaders.detection.py file to run object detection av2-api-main\tutorials\3d_object_detection file please help to run it
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