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Towards Reducing Labeling Cost in Deep Object Detection

Elezi, Ismail and Yu, Zhiding and Anandkumar, Anima and Leal-Taixé, Laura and Alvarez, Jose M. (2021) Towards Reducing Labeling Cost in Deep Object Detection. . (Unpublished)

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Deep neural networks have reached very high accuracy on object detection but their success hinges on large amounts of labeled data. To reduce the dependency on labels, various active-learning strategies have been proposed, typically based on the confidence of the detector. However, these methods are biased towards best-performing classes and can lead to acquired datasets that are not good representatives of the data in the testing set. In this work, we propose a unified framework for active learning, that considers both the uncertainty and the robustness of the detector, ensuring that the network performs accurately in all classes. Furthermore, our method is able to pseudo-label the very confident predictions, suppressing a potential distribution drift while further boosting the performance of the model. Experiments show that our method comprehensively outperforms a wide range of active-learning methods on PASCAL VOC07+12 and MS-COCO, having up to a 7.7% relative improvement, or up to 82% reduction in labeling cost.

Item Type:Report or Paper (Discussion Paper)
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Additional Information:Attribution 4.0 International (CC BY 4.0)
Record Number:CaltechAUTHORS:20210831-203921545
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:110652
Deposited By: George Porter
Deposited On:01 Sep 2021 14:40
Last Modified:01 Sep 2021 14:40

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