EfficientOCF forecasts 3D occupancy by decoupling it into 2D BEV occupancy, height, and instance flow, achieving state-of-the-art accuracy and 82.33 ms inference on autonomous driving datasets.
OccTransformer: Improving BEVFormer for 3D camera-only occupancy prediction
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abstract
This technical report presents our solution, "occTransformer" for the 3D occupancy prediction track in the autonomous driving challenge at CVPR 2023. Our method builds upon the strong baseline BEVFormer and improves its performance through several simple yet effective techniques. Firstly, we employed data augmentation to increase the diversity of the training data and improve the model's generalization ability. Secondly, we used a strong image backbone to extract more informative features from the input data. Thirdly, we incorporated a 3D unet head to better capture the spatial information of the scene. Fourthly, we added more loss functions to better optimize the model. Additionally, we used an ensemble approach with the occ model BevDet and SurroundOcc to further improve the performance. Most importantly, we integrated 3D detection model StreamPETR to enhance the model's ability to detect objects in the scene. Using these methods, our solution achieved 49.23 miou on the 3D occupancy prediction track in the autonomous driving challenge.
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cs.CV 1years
2024 1verdicts
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Spatiotemporal Decoupling for Efficient Vision-Based Occupancy Forecasting
EfficientOCF forecasts 3D occupancy by decoupling it into 2D BEV occupancy, height, and instance flow, achieving state-of-the-art accuracy and 82.33 ms inference on autonomous driving datasets.