The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
CA-Net: Comprehensive Attention Convolutional Neural Networks for Explainable Medical Image Segmentation
Open accessAbstract
Accurate medical image segmentation is essential for diagnosis and treatment planning of diseases. Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they are still challenged by complicated conditions where the segmentation target has large variations of position, shape and scale, and existing CNNs have a poor explainability that limits their application to clinical decisions. In this work, we make extensive use of multiple attentions in a CNN architecture and propose a comprehensive attention-based CNN (CA-Net) for more accurate and explainable medical image segmentation that is aware of the most important spatial positions, channels and scales at the same time. In particular, we first propose a joint spatial attention module to make the network focus more on the foreground region. Then, a novel channel attention module is proposed to adaptively recalibrate channel-wise feature responses and highlight the most relevant feature channels. Also, we propose a scale attention module implicitly emphasizing the most salient feature maps among multiple scales so that the CNN is adaptive to the size of an object. Extensive experiments on skin lesion segmentation from ISIC 2018 and multi-class segmentation of fetal MRI found that our proposed CA-Net significantly improved the average segmentation Dice score from 87.77% to 92.08% for skin lesion, 84.79% to 87.08% for the placenta and 93.20% to 95.88% for the fetal brain respectively compared with U-Net. It reduced the model size to around 15 times smaller with close or even better accuracy compared with state-of-the-art DeepLabv3+. In addition, it has a much higher explainability than existing networks by visualizing the attention weight maps. Our code is available at https://github.com/HiLab-git/CA-Net.
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Cites
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Squeeze-and-Excitation Networks
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CBAM: Convolutional Block Attention Module
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Cited by
Explainable artificial intelligence: a comprehensive review
Minh, D., Wang, H. X., Li, Y. F., & Nguyen, T. N. (2022) · Artificial Intelligence Review · doi:10.1007/s10462-021-10088-y · Cited by 983
Li, J., Chen, J., Tang, Y., Wang, C., Landman, B. A., & Zhou, S. K. (2023) · Medical Image Analysis · doi:10.1016/j.media.2023.102762 · Cited by 389
Nazir, S., Dickson, D. M., & Akram, M. U. (2023) · Computers in Biology and Medicine · doi:10.1016/j.compbiomed.2023.106668 · Cited by 283
“The dataset comprised of 150 stacks of T2-weighted fetal MRI scans [211].”
BackgroundMethodResultInfluentialDeep Learning Attention Mechanism in Medical Image Analysis: Basics and Beyonds
Li, X., Li, M., Yan, P., Li, G., Jiang, Y., Luo, H., & Yin, S. (2023) · International Journal of Network Dynamics and Intelligence · doi:10.53941/ijndi0201006 · Cited by 269
Explainable artificial intelligence (XAI) in radiology and nuclear medicine: a literature review
de Vries, B. M., Zwezerijnen, G. J. C., Burchell, G. L., van Velden, F. H. P., Menke-van der Houven van Oordt, C. W., & Boellaard, R. (2023) · Frontiers in Medicine · doi:10.3389/fmed.2023.1180773 · Cited by 106
Metadata
- Authors
- Gu, R., Wang, G., Song, T., Huang, R., Aertsen, M., Deprest, J., Ourselin, S., Vercauteren, T., & Zhang, S.
- Venue
- IEEE Transactions on Medical Imaging
- Published
- 2021-02
- Volume
- 40
- Issue
- 2
- Pages
- 699-711
- ISSN
- 0278-0062 (ISSN-L)
- 1558-254X
- OpenAlex
- W3088257970
- Cited by
- 720
- References
- 40
- FWCI
- 29.11
- Type
- journal article
- Language
- en
- Open access
- green
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