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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 35 / No. 11: AAAI-21 Technical Tracks 11

DIBS: Diversity Inducing Information Bottleneck in Model Ensembles

February 1, 2023

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Authors

Samarth Sinha

University of Toronto Vector Institute


Homanga Bharadhwaj

University of Toronto Vector Institute


Anirudh Goyal

University of Montreal


Hugo Larochelle

Google


Animesh Garg

University of Toronto Vector Institute


Florian Shkurti

University of Toronto Vector Institute


DOI:

10.1609/aaai.v35i11.17163


Abstract:

Although deep learning models have achieved state-of-the art performance on a number of vision tasks, generalization over high dimensional multi-modal data, and reliable predictive uncertainty estimation are still active areas of research. Bayesian approaches including Bayesian Neural Nets (BNNs) do not scale well to modern computer vision tasks, as they are difficult to train, and have poor generalization under dataset-shift. This motivates the need for effective ensembles which can generalize and give reliable uncertainty estimates. In this paper, we target the problem of generating effective ensembles of neural networks by encouraging diversity in prediction. We explicitly optimize a diversity inducing adversarial loss for learning the stochastic latent variables and thereby obtain diversity in the output predictions necessary for modeling multi-modal data. We evaluate our method on benchmark datasets: MNIST, CIFAR100, TinyImageNet and MIT Places 2, and compared to the most competitive baselines show significant improvements in classification accuracy, under a shift in the data distribution and in out-of-distribution detection. over 10% relative improvement in classification accuracy, over 5% relative improvement in generalizing under dataset shift, and over 5% better predictive uncertainty estimation as inferred by efficient out-of-distribution (OOD) detection.

Topics: AAAI

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HOW TO CITE:

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti DIBS: Diversity Inducing Information Bottleneck in Model Ensembles Proceedings of the AAAI Conference on Artificial Intelligence (2021) 9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti DIBS: Diversity Inducing Information Bottleneck in Model Ensembles AAAI 2021, 9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti (2021). DIBS: Diversity Inducing Information Bottleneck in Model Ensembles. Proceedings of the AAAI Conference on Artificial Intelligence, 9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. DIBS: Diversity Inducing Information Bottleneck in Model Ensembles. Proceedings of the AAAI Conference on Artificial Intelligence 2021 p.9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. 2021. DIBS: Diversity Inducing Information Bottleneck in Model Ensembles. "Proceedings of the AAAI Conference on Artificial Intelligence". 9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. (2021) "DIBS: Diversity Inducing Information Bottleneck in Model Ensembles", Proceedings of the AAAI Conference on Artificial Intelligence, p.9666-9674

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti, "DIBS: Diversity Inducing Information Bottleneck in Model Ensembles", AAAI, p.9666-9674, 2021.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. "DIBS: Diversity Inducing Information Bottleneck in Model Ensembles". Proceedings of the AAAI Conference on Artificial Intelligence, 2021, p.9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. "DIBS: Diversity Inducing Information Bottleneck in Model Ensembles". Proceedings of the AAAI Conference on Artificial Intelligence, (2021): 9666-9674.

Samarth Sinha||Homanga Bharadhwaj||Anirudh Goyal||Hugo Larochelle||Animesh Garg||Florian Shkurti. DIBS: Diversity Inducing Information Bottleneck in Model Ensembles. AAAI[Internet]. 2021[cited 2023]; 9666-9674.


ISSN: 2374-3468


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