CauseCollab: Causal Unified and Modality-Agnostic Network for Heterogeneous Collaborative Perception

CauseCollab is a causal unified and modality‑agnostic network designed to improve collaborative perception across heterogeneous sensor modalities. It disentangles semantic factors from modality‑specific confounders using causal metric learning and employs a context‑guided Unified Converter to maintain cross‑modal semantic consistency. The approach requires only minimal adapter training when adding new modalities and achieves state‑of‑the‑art results on the OPV2V and DAIR‑V2X datasets, especially in scenarios with large modality gaps.

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• agents
• multimodal
• benchmarks