valeoai / bevcontrast Goto Github PK
View Code? Open in Web Editor NEWBEVContrast: Self-Supervision in BEV Space for Automotive Lidar Point Clouds - Official PyTorch implementation
License: Other
BEVContrast: Self-Supervision in BEV Space for Automotive Lidar Point Clouds - Official PyTorch implementation
License: Other
Thank you for this excellent work.
One thing make me confused.
Line 54 in 54497c9
Why project features onto a BEV image and then perform rotation and translation?
Would it be more convenient to rotate and translate the point cloud and then project the feature into the BEV image? It also does not need to resample the feature by F.affine_grid and F.grad_sample later.
Line 98 in 54497c9
Line 100 in 54497c9
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