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computeWassersteinDistanceGaussianz中的无偏估计协方差矩阵再次除(voxel2.num_points - 1) #14

@Rooters123

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@Rooters123

作者你好,我想请教一下:
voxel_calculator.cpp中的128行sigma2 = voxel2.sigma / (voxel2.num_points - 1);
voxel2.sigma的值不是在48行或者84行已经进行无偏处理了吗?这里再次除 (voxel2.num_points - 1)的考虑是什么呢?

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