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PointNet, live

a real (tiny) vanilla PointNet running in this page: shared MLP 3→64→64→256, max-pool, classifier head

Shape (true class)

Points:

Tilt (rotation off the trained axis):

Noise (jitter σ):

points are colored by their position in the input array (blue = first … yellow = last). Shuffling scrambles the colors — watch the prediction not move.

the 256-D global feature g (the shape’s signature) — invariant to point order