li song

Install openmpi not mpich can solve the problem

if your machine do not have `openmpi`, you can also use other dist-run method to solve this problem > Install openmpi not mpich can solve the problem

All the LiDAR point clouds have been truly aligned to the same reference frame with sensor2lidar transform, but the previous moving object points will not align to the current objects...

I think the code should be like this: `cur_coords = points[b][points[b][:, -1]==0][:, :3].transpose(1, 0) ` only project sample frame lidar points to sample image

> Thank you for the nice visualization. Here is my perspective when we are designing this projection. We actually don't associate points from previous sweeps with an object. Instead, we...

I met the same problem,too

# Dot product attention along cameras dot = self.scale * torch.einsum('b n Q d, b n K d -> b n Q K', q, k) dot = rearrange(dot, 'b n...