Cited by 392Machine Learning and AlgorithmsAdvanced Bandit Algorithms ResearchGaussian Processes and Bayesian Inference

Deep Bayesian Active Learning with Image Data

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Ghahramani, Z, Gal, Y, Islam, R·2017·PMLR

Abstract

Even though active learning forms an important pillar of machine learning, deep learning tools are not prevalent within it. Deep learning poses several difficulties when used in an active learning setting. First, active learning (AL) methods generally rely on being able to learn and update models from small amounts of data. Recent advances in deep learning, on the other hand, are notorious for their dependence on large amounts of data. Second, many AL acquisition functions rely on model uncertainty, yet deep learning methods rarely represent such model uncertainty. In this paper we combine recent advances in Bayesian deep learning into the active learning framework in a practical way. We develop an active learning framework for high dimensional data, a task which has been extremely challenging so far, with very sparse existing literature. Taking advantage of specialised models such as Bayesian convolutional neural networks, we demonstrate our active learning techniques with image data, obtaining a significant improvement on existing active learning approaches. We demonstrate this on both the MNIST dataset, as well as for skin cancer diagnosis from lesion images (ISIC2016 task).

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DataCite · 10.17863/cam.11070

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  • On MS-COCO last active learning cycle, our method outperforms the semi-supervised method, multi-model methods, and the best AL method by 1.6%.

    “We observe that this difference is maintained in the other cycles, including the last active learning cycle where our method outperforms the semisupervised method, multi-model methods [9, 12] and the best AL method [5] by 1 . 6% .”

    From Not All Labels Are Equal: Rationalizing The Labeling Costs for Training Object Detection (2021) · cites this paper as [12]

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Authors
Ghahramani, Z., Gal, Y., & Islam, R.
Affiliations
  • McGill University (CA)
  • University of Cambridge (GB)
Venue
PMLR
Publisher
PMLR
Published
2017
Pages
1183-1192
OpenAlex
W2597787948
Cited by
392
References
0
Citations by year
2025: 4 · 2024: 4 · 2023: 15 · 2022: 22 · 2021: 150 · 2020: 98 · 2019: 73 · 2018: 21 · 2017: 5
FWCI
24.57
Type
conference paper
Language
en
Open access
Licence
other-oa
Locations
  • Apollo (University of Cambridge) (submittedVersion, other-oa)
  • Cambridge University Engineering Department Publications Database (submittedVersion)
  • Apollo
  • International Conference on Machine Learning
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Machine Learning and Algorithms
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Advanced Bandit Algorithms Research
  • Physical Sciences › Computer Science › Artificial Intelligence › Gaussian Processes and Bayesian Inference
Keywords
active learning (machine learning), Bayesian deep learning, Bayesian convolutional neural network, model uncertainty, acquisition functions, image classification, high-dimensional data, skin cancer diagnosis, MNIST

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