Brain tumor segmentation method based on u-net network and multi-view fusion
A brain tumor and multi-view technology, applied in the field of 3D medical image segmentation, can solve the problems of V-Net's large amount of computation and the inability to restore image resolution well, so as to increase the receptive field of convolution kernel and reduce the difficulty of computation , the effect of high segmentation accuracy
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[0028] In order to make the technical solution of the present invention clearer, the present invention will be further elaborated below in conjunction with the accompanying drawings. The present invention is concretely realized according to the following steps:
[0029] The first step is to build a dataset and perform data preprocessing:
[0030] The present invention uses the published BraTS 2017 (Brain Tumor Segmentation 2017) data set, the data set consists of 210 high-glial tumor (HGG) cases and 75 low-glial tumor (LGG) cases, a total of 285 cases, the data set According to the ratio of 4:1 between the training set and the test set, 20% of the HGG and LGG cases are selected as the test set; each case contains MRI images of four modalities: T1, T1c, T2 and FLAIR. The size of each MRI image is 240*240*155. Due to the limitation of GPU memory and the increase of the training volume of the region of interest and the reduction of false positive points, the images of the traini...
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