Enhancing Cross-Dataset Performance of Distracted Driving Detection With Score-Softmax Classifier

• URL: http://arxiv.org/abs/2310.05202v3
• Date: Fri, 20 Oct 2023 04:09:39 GMT
• Title: Enhancing Cross-Dataset Performance of Distracted Driving Detection With Score-Softmax Classifier
• Authors: Cong Duan and Zixuan Liu and Jiahao Xia and Minghai Zhang and Jiacai Liao and Libo Cao
• Abstract summary: Deep neural networks enable real-time monitoring of in-vehicle driver, facilitating the timely prediction of distractions, fatigue, and potential hazards. Recent research has exposed unreliable cross-dataset end-to-end driver behavior recognition due to overfitting. We introduce the Score-Softmax classifier, which addresses this issue by enhancing inter-class independence and Intra-class uncertainty.
• Score: 7.302402275736439
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Deep neural networks enable real-time monitoring of in-vehicle driver, facilitating the timely prediction of distractions, fatigue, and potential hazards. This technology is now integral to intelligent transportation systems. Recent research has exposed unreliable cross-dataset end-to-end driver behavior recognition due to overfitting, often referred to as ``shortcut learning", resulting from limited data samples. In this paper, we introduce the Score-Softmax classifier, which addresses this issue by enhancing inter-class independence and Intra-class uncertainty. Motivated by human rating patterns, we designed a two-dimensional supervisory matrix based on marginal Gaussian distributions to train the classifier. Gaussian distributions help amplify intra-class uncertainty while ensuring the Score-Softmax classifier learns accurate knowledge. Furthermore, leveraging the summation of independent Gaussian distributed random variables, we introduced a multi-channel information fusion method. This strategy effectively resolves the multi-information fusion challenge for the Score-Softmax classifier. Concurrently, we substantiate the necessity of transfer learning and multi-dataset combination. We conducted cross-dataset experiments using the SFD, AUCDD-V1, and 100-Driver datasets, demonstrating that Score-Softmax improves cross-dataset performance without modifying the model architecture. This provides a new approach for enhancing neural network generalization. Additionally, our information fusion approach outperforms traditional methods.

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