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Point density, not architecture, was the bottleneck for a 5-class radar-only object [P]

This story is from 2026-09-06. It is preserved in the archive; the latest stories are on the live feed.

Hello all, TL;DR: point density, not model architecture, was the real bottleneck for a 5-class radar-only classifier on RadarScenes. Going from 1 to 5 points per instance roughly doubles macro F1 (0.381 → 0.764), while a whole set of architecture and feature changes all landed inside a measured noi…

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  1. 2026-09-06 17:55 · r/MachineLearning
    Point density, not architecture, was the bottleneck for a 5-class radar-only object [P]

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