A Novel U-Net Based Deep Learning Method for 3D Cardiovascular MRI Segmentation
Open Access
- 20 May 2022
- journal article
- research article
- Published by Wiley in Computational Intelligence and Neuroscience
- Vol. 2022, 1-11
Abstract
Medical multiobjective image segmentation aims to group pixels to form multiple regions based on the different properties of the medical images. Segmenting the 3D cardiovascular magnetic resonance (CMR) images is still a challenging task owing to several reasons, including individual differences in heart shapes, varying signal intensities, and differences in data signal-to-noise ratios. This paper proposes a novel and efficient U-Net-based 3D sparse convolutional network named SparseVoxNet. In this network, there are direct connections between any two layers with the same feature-map size, and the number of connections is reduced. Therefore, the SparseVoxNet can effectively cope with the optimization problem of gradients vanishing when training a 3D deep neural network model on small sample data by significantly decreasing the network depth, and achieveing better feature representation using a spatial self-attention mechanism finally. The proposed method in this paper has been thoroughly evaluated on the HVSMR 2016 dataset. Compared with other methods, the method achieves better performance.Keywords
Funding Information
- National Natural Science Foundation of China (61872162, 82071995, 20200201292JC)
- Natural Science Foundation of Jilin Province (61872162, 82071995, 20200201292JC)
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