Comments (3)
PointNet is quite robust to sampling density according to our experiments :)
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Hi @Merlin1896 the robustness if by design (of the max pooling layer). It's very insensitive to the density and can deal with varying density very well.
In PointNet++ we need multi-scale layers for varying density cases.
from pointnet.
Is it robust by design to varying densities or does the performance of the network decrease if the density is not homogeneous? Your studies in the paper seems to be done on samples, where the density of the points is rather high. In my case the interesting regions are sometimes not very dense. Do you expect problems at any stage and how could one heal this?
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