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Semantic segmentation plays an increasingly important role in the field of computer vision. The current semantic segmentation algorithms are mainly based on full convolutional network downsampling for feature extraction, however, the reduction of image resolution due to downsampling will inevitably lead to the loss of image information and the process is irreversible. Although features can be reused to compensate for the loss, the problem of lost pixel correlation and inaccurate segmentation results still occur. In order to solve these problems, the attention mechanism and the generative adversarial network are fused into the semantic segmentation network, and a semantic segmentation network is proposed. The attention mechanism is added to the generator and discriminator modules and trained successively, then the generator module with rich information and global information is extracted, and its output is fused with the feature graph sampled above, in order to reduce the loss of local information and complete the task of image segmentation, an interpolation method based on image edge is introduced to sample the image, which improves the bilinear interpolation edge blur. Experiments on Cityscapes dataset show that the proposed network model is effective and reliable.
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