Attributional Robustness Training Using Input-Gradient Spatial Alignment

Singh, Mayank and Kumari, Nupur and Mangla, Puneet and Sinha, Abhishek and Balasubramanian, Vineeth N. and Krishnamurthy, Balaji (2020) Attributional Robustness Training Using Input-Gradient Spatial Alignment. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12372. pp. 515-533. ISSN 0302-9743

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Interpretability is an emerging area of research in trustworthy machine learning. Safe deployment of machine learning system mandates that the prediction and its explanation be reliable and robust. Recently, it has been shown that the explanations could be manipulated easily by adding visually imperceptible perturbations to the input while keeping the model’s prediction intact. In this work, we study the problem of attributional robustness (i.e. models having robust explanations) by showing an upper bound for attributional vulnerability in terms of spatial correlation between the input image and its explanation map. We propose a training methodology that learns robust features by minimizing this upper bound using soft-margin triplet loss. Our methodology of robust attribution training (ART) achieves the new state-of-the-art attributional robustness measure by a margin of ≈ 6–18% on several standard datasets, ie. SVHN, CIFAR-10 and GTSRB. We further show the utility of the proposed robust training technique (ART) in the downstream task of weakly supervised object localization by achieving the new state-of-the-art performance on CUB-200 dataset.

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IITH Creators:
IITH CreatorsORCiD
Balasubramanian, Vineeth NUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Interpretability; Object localization; Robust trainings; Robustness measures; Spatial alignment; Spatial correlations; State of the art; State-of-the-art performance
Subjects: Computer science
Divisions: Department of Computer Science & Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 31 Jul 2021 11:54
Last Modified: 07 Mar 2022 10:59
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