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Cited by 428

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Joint Segment-Level and Pixel-Wise Losses for Deep Learning Based Retinal Vessel Segmentation

Yan, Zengqiang, Yang, Xin, Cheng, Kwang-Ting·2018·IEEE Transactions on Biomedical Engineering

Abstract

OBJECTIVE: Deep learning based methods for retinal vessel segmentation are usually trained based on pixel-wise losses, which treat all vessel pixels with equal importance in pixel-to-pixel matching between a predicted probability map and the corresponding manually annotated segmentation. However, due to the highly imbalanced pixel ratio between thick and thin vessels in fundus images, a pixel-wise loss would limit deep learning models to learn features for accurate segmentation of thin vessels, which is an important task for clinical diagnosis of eye-related diseases. METHODS: In this paper, we propose a new segment-level loss which emphasizes more on the thickness consistency of thin vessels in the training process. By jointly adopting both the segment-level and the pixel-wise losses, the importance between thick and thin vessels in the loss calculation would be more balanced. As a result, more effective features can be learned for vessel segmentation without increasing the overall model complexity. RESULTS: Experimental results on public data sets demonstrate that the model trained by the joint losses outperforms the current state-of-the-art methods in both separate-training and cross-training evaluations. CONCLUSION: Compared to the pixel-wise loss, utilizing the proposed joint-loss framework is able to learn more distinguishable features for vessel segmentation. In addition, the segment-level loss can bring consistent performance improvement for both deep and shallow network architectures. SIGNIFICANCE: The findings from this study of using joint losses can be applied to other deep learning models for performance improvement without significantly changing the network architectures.

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Metadata

Authors
Yan, Z., Yang, X., & Cheng, K.-T.
Venue
IEEE Transactions on Biomedical Engineering
Published
2018-09
Volume
65
Issue
9
Pages
1912-1923
ISSN
  • 0018-9294 (ISSN-L)
  • 1558-2531
OpenAlex
W2802388893
Cited by
428
References
41
FWCI
27.40
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Joint Segment-Level and Pixel-Wise Losses for Deep Learning Based Retinal Vessel Segmentation. https://app.cochat.ai/papers/10.1109/tbme.2018.2828137
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Yan, Z., Yang, X., & Cheng, K.-T. (2018). Joint Segment-Level and Pixel-Wise Losses for Deep Learning Based Retinal Vessel Segmentation. IEEE Transactions on Biomedical Engineering. https://doi.org/10.1109/tbme.2018.2828137

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