通过模态和视角分析的实时驾驶员监控系统
Driver distractions are known to be the dominant cause
of road accidents. While monitoring systems can detect non-driving-related activities and facilitate reducing
the risks, they must be accurate and efficient to be applicable. Unfortunately, state-of-the-art methods prioritize
accuracy while ignoring latency because they leverage
cross-view and multimodal videos in which consecutive
frames are highly similar. Thus, in this paper, we pursue
time-effective detection models by neglecting the temporal relation between video frames and investigate the importance of each sensing modality in detecting drives’ activities. Experiments demonstrate that 1) our proposed
algorithms are real-time and can achieve similar performances (97.5% AUC-PR) with significantly reduced computation compared with video-based models; 2) the top
view with the infrared channel is more informative than
any other single modality. Furthermore, we enhance the
DAD dataset by manually annotating its test set to enable
multiclassification. We also thoroughly analyze the influence of visual sensor types and their placements on the
prediction of each class. The code and the new labels will
be released
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