Author

Holger Caesar

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Preprint Sep 2026

SplatLabel: Pseudo-Labelling through 4D Gaussian Splatting

While 2D Vision Foundation Models offer a pathway to automate 3D semantic pseudo-labelling, translating these priors into robust 3D representations typically requires complex heuristics or multi-model ensembles. We introduce SplatLabel, an automated pipeline that leverages a 4D Gaussian representation to extract LiDAR...

Nitya Nanvani, Andras Palffy, Holger Caesar · 0 citations

#federated learning Preprint Oct 2026

FedCKA: Representation-Guided Layer Personalization for Federated 3D Perception Across Driving Domains

FedCKA is proposed, a Centered Kernel Alignment (CKA)-based strategy that dynamically handles the personalization-globalization trade-off, and outperforms established federated baselines, including FedBN, FedRep, and FedSelect, improving average NDS by 7 percentage points over the strongest baseline.

Jolle Verhoog, Ali Burak Ünal, Holger Caesar · 0 citations