Cancer WSI segmentation method based on local classification neural network
A technology of neural network and classification network, which is applied in the field of segmentation of cancer full-view digital pathological slices, which can solve problems such as patient analysis, difficulty for doctors to pay attention to details, and large WSI size
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[0025] The embodiments of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the examples.
[0026] use figure 1 In the framework of the process, 86 pathological slices marked with lymphatic dense areas and necrotic areas, and 241 pathological slices marked with paracancerous and tumor areas were used to train two target detection neural networks to obtain automatic detection and diagnosis models.
[0027] The specific process is:
[0028] (1) Before training, the Otsu method was used to perform threshold segmentation on the green channel of the pathological slice to distinguish the background, so as to obtain the mask of the tissue area. Divide the WSI into several non-overlapping image blocks with a length and width of 256 pixels, and then randomly sample several image blocks from different regions in the mask as training samples according to manual annotation. The sampled image blocks require that ...
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