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Cited by 1,086

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Tversky Loss Function for Image Segmentation Using 3D Fully Convolutional Deep Networks

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Salehi, Seyed Sadegh Mohseni, Erdogmus, Deniz, Gholipour, Ali·2017·Lecture Notes in Computer Science

Abstract

Fully convolutional deep neural networks carry out excellent potential for fast and accurate image segmentation. One of the main challenges in training these networks is data imbalance, which is particularly problematic in medical imaging applications such as lesion segmentation where the number of lesion voxels is often much lower than the number of non-lesion voxels. Training with unbalanced data can lead to predictions that are severely biased towards high precision but low recall (sensitivity), which is undesired especially in medical applications where false negatives are much less tolerable than false positives. Several methods have been proposed to deal with this problem including balanced sampling, two step training, sample re-weighting, and similarity loss functions. In this paper, we propose a generalized loss function based on the Tversky index to address the issue of data imbalance and achieve much better trade-off between precision and recall in training 3D fully convolutional deep neural networks. Experimental results in multiple sclerosis lesion segmentation on magnetic resonance images show improved F2 score, Dice coefficient, and the area under the precision-recall curve in test data. Based on these results we suggest Tversky loss function as a generalized framework to effectively train deep neural networks.

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Metadata

Authors
Salehi, S. S. M., Erdogmus, D., & Gholipour, A.
Venue
Lecture Notes in Computer Science
Published
2017
Pages
379-387
ISSN
  • 0302-9743 (ISSN-L)
  • 1611-3349
OpenAlex
W2685298434
Cited by
1,086
References
10
FWCI
10.03
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Tversky Loss Function for Image Segmentation Using 3D Fully Convolutional Deep Networks. https://app.cochat.ai/papers/10.1007/978-3-319-67389-9_44
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Salehi, S. S. M., Erdogmus, D., & Gholipour, A. (2017). Tversky Loss Function for Image Segmentation Using 3D Fully Convolutional Deep Networks. Lecture Notes in Computer Science. https://doi.org/10.1007/978-3-319-67389-9_44

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