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Question about d (depth) #1

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junjun1023 opened this issue Feb 27, 2024 · 1 comment

junjun1023 commented Feb 27, 2024

Good work!

I'm confused to the following questions:

Is there any strategy to define d (depth) to reshape 2D features into 3D voxels?
How does pre-defined depth work to all scenarios and instances?
Why does 'Voxel Relation' output 6D continuous representation instead of a rotation matrix directly?

Thank you for the open source code and data!

Owner

Jaraxxus-Me commented Feb 27, 2024

We didn't use depth, we just used the rotation matrix to rotate the 3D voxels. This strategy is inspired by VideoAutoEncoder.
I think we didn't predefine any depth hyperparameter. VoxDet only needs to rotate the voxel (we assume object-centric feature).
I tried both rotation matrix and 6D continuous vector and found the vector estimation is slightly better.

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