A Unified Framework for Super-Resolution Based on Segmentation-Prior and Self-Attention

2022 IEEE 2nd International Conference on Data Science and Computer Application (ICDSCA)(2022)

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Abstract
Convolutional Neural Network (CNN) is intensively applied to super-resolution (SR) task because of its superior performance. However, the problem of SR task is still challenging due to the lack of prior knowledge and small receptive field of CNN. We propose a unified framework for single image SR based on segmentation-prior and self-attention, named Segmentation-Prior Self-Attention Generative Adversarial Network (SPSAGAN). This combination is led by a carefully designed weighted addition to balance the influence of feature and segmentation attentions. Thus, the SPSAGAN can emphasize textures in the same segmentation category and meanwhile focus on the long-distance feature relationship. Extensive experiments show that SPSAGAN can generate more realistic and visually pleasing textures compared to state-of-the-art SFTGAN [1] and ESRGAN [2] on OST and BSD100 datasets
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Key words
Super-Resolution,GAN,Semantic Segmentation,Self-Attention
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