EIFNet: Leveraging Event-Image Fusion for Robust Semantic Segmentation

• URL: http://arxiv.org/abs/2507.21971v1
• Date: Tue, 29 Jul 2025 16:19:55 GMT
• Title: EIFNet: Leveraging Event-Image Fusion for Robust Semantic Segmentation
• Authors: Zhijiang Li, Haoran He,
• Abstract summary: Event cameras offer high dynamic range and fine temporal resolution, to achieve robust scene understanding in challenging environments.<n>We propose EIFNet, a multi-modal fusion network that combines the strengths of both event and frame-based inputs.<n>EIFNet achieves state-of-the-art performance, demonstrating its effectiveness in event-based semantic segmentation.
• Score: 0.18416014644193066
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Event-based semantic segmentation explores the potential of event cameras, which offer high dynamic range and fine temporal resolution, to achieve robust scene understanding in challenging environments. Despite these advantages, the task remains difficult due to two main challenges: extracting reliable features from sparse and noisy event streams, and effectively fusing them with dense, semantically rich image data that differ in structure and representation. To address these issues, we propose EIFNet, a multi-modal fusion network that combines the strengths of both event and frame-based inputs. The network includes an Adaptive Event Feature Refinement Module (AEFRM), which improves event representations through multi-scale activity modeling and spatial attention. In addition, we introduce a Modality-Adaptive Recalibration Module (MARM) and a Multi-Head Attention Gated Fusion Module (MGFM), which align and integrate features across modalities using attention mechanisms and gated fusion strategies. Experiments on DDD17-Semantic and DSEC-Semantic datasets show that EIFNet achieves state-of-the-art performance, demonstrating its effectiveness in event-based semantic segmentation.

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