Recent studies have achieved a great success in medical image segmentation, but do not perform well in the application of pathological image segmentation. In traditional segmentation networks, some important features may be lost during the encoding process. In this paper, an Enhanced Pooling-Convolution (EPC) module is proposed to add weights to the space and channels of features in the encoding process. EPC evaluates the differences and complementarities of features between max pooling, average pooling, and convolution in the pooling process. Channel based attention is further used to weight different channels. VGG16 is used as the backbone in the U-shaped network, and the number of channels for upsampling is reduced during decoding process. It shows that the pooling and convolution block with three consecutive convolution layers can be replaced with the EPC module. Experimental results shows that the average DICE coefficient of our method is 2.55% higher than that of U-Net.
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