Radar encoders aligned to frozen SigLIP embeddings enable weather-robust scene captioning via a frozen VLM with 7M trainable parameters, outperforming cameras on held-out adverse-weather sequences in K-RADAR.
PETR: Position embedding transformation for multi-view 3D object detection
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Weather-Robust Scene Semantics with Vision-Aligned 4D Radar
Radar encoders aligned to frozen SigLIP embeddings enable weather-robust scene captioning via a frozen VLM with 7M trainable parameters, outperforming cameras on held-out adverse-weather sequences in K-RADAR.