A Low-cost Strategic Monitoring Approach for Scalable and Interpretable Error Detection in Deep Neural Networks

• URL: http://arxiv.org/abs/2310.20349v1
• Date: Tue, 31 Oct 2023 10:45:55 GMT
• Title: A Low-cost Strategic Monitoring Approach for Scalable and Interpretable Error Detection in Deep Neural Networks
• Authors: Florian Geissler, Syed Qutub, Michael Paulitsch, and Karthik Pattabiraman
• Abstract summary: We present a highly compact run-time monitoring approach for deep computer vision networks. It can efficiently detect silent data corruption originating from both hardware memory and input faults.
• Score: 6.537257913467249
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present a highly compact run-time monitoring approach for deep computer vision networks that extracts selected knowledge from only a few (down to merely two) hidden layers, yet can efficiently detect silent data corruption originating from both hardware memory and input faults. Building on the insight that critical faults typically manifest as peak or bulk shifts in the activation distribution of the affected network layers, we use strategically placed quantile markers to make accurate estimates about the anomaly of the current inference as a whole. Importantly, the detector component itself is kept algorithmically transparent to render the categorization of regular and abnormal behavior interpretable to a human. Our technique achieves up to ~96% precision and ~98% recall of detection. Compared to state-of-the-art anomaly detection techniques, this approach requires minimal compute overhead (as little as 0.3% with respect to non-supervised inference time) and contributes to the explainability of the model.

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