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SWA-SOP: Spatially-aware Window Attention for Semantic Occupancy Prediction in Autonomous Driving

Created by
  • Haebom

Author

Helin Cao, Rafael Materla, Sven Behnke

Outline

This paper focuses on Semantic Occupancy Prediction (SOP), which infers occupancy and semantic information in unobserved areas to address the incompleteness of sensor data (LiDAR and camera) in autonomous driving. To address the lack of spatial structure modeling in existing Transformer-based SOP methods, we propose Spatially Aware Windowed Attention (SWA), a novel mechanism that integrates local spatial context into attention. SWA achieves state-of-the-art performance on LiDAR-based SOP benchmarks and demonstrates its applicability to camera-based SOP as well.

Takeaways, Limitations

Takeaways:
We highlight the importance of utilizing spatial information in LiDAR and camera-based SOPs and demonstrate performance enhancement through SWA.
We demonstrate that SWA is a general mechanism applicable to various modalities.
It can contribute to improving the safety and reliability of autonomous driving systems.
Limitations:
SWA's performance improvements are likely limited to specific benchmark datasets.
Further validation of generalization performance in real-world autonomous driving environments is required.
The high computational complexity of SWA may limit real-time processing.
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