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Modifying the parameters min_range, max_range, and voxel_size for voxelization results in a decrease in the accuracy of inference. #231

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nainaigetuide opened this issue Jan 16, 2024 · 2 comments

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@nainaigetuide
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Hello, I am using CUDA-Bevfusion for inference on my dataset, and I want to modify the parameters related to voxelization to adjust the range of the point cloud. I have made the following modifications to the parameters:

voxelization.min_range = nvtype::Float3(-72.0f, -72.0f, -5.0);
voxelization.max_range = nvtype::Float3(+72.0f, +72.0f, +3.0);
voxelization.voxel_size = nvtype::Float3(0.1f, 0.1f, 0.2f); 

After adjusting the maximum and minimum range from 54 to 72, I also changed the grid size from 0.075 to 0.1. This is done to ensure that the grid size is (1440, 1440, 41).
Please ignore the top image in the six pictures.
The inference results before modifying the parameters are
微信图片_20240116103239

The results after modifying the maximum range to 72 are
微信图片_20240116103247

@CreepingBird
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I am also meet this problem. Have you solved it?

@eugenebak
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I meet same problem. Have you solved it?

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3 participants