A zero-parameter point cloud classifier replaces Point-NN's sinusoidal encoding with a Gaussian encoding and reports gains, but its hyperparameters were selected using the test sets, so the gains are not independently validated.
Meta architecture for point cloud analysis
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Point-GN: A Non-Parametric Network Using Gaussian Positional Encoding for Point Cloud Classification
A zero-parameter point cloud classifier replaces Point-NN's sinusoidal encoding with a Gaussian encoding and reports gains, but its hyperparameters were selected using the test sets, so the gains are not independently validated.