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- W4385804987 abstract "Recently, single image super-resolution (SISR) has made great progress, especially through the combination of convolutional neural network (CNN) and Transformer, but the huge model complexity is not desirable for the efficient image super-resolution (EISR), nor is it affordable for edge devices. As a result, many lightweight methods have been investigated for EISR, such as distillation and pruning. However, investigating more powerful attention mechanisms is also a promising solution to improve network efficiency. In this paper, we propose a multi-level dispersion residual network (MDRN) for EISR. As the basic block of MDRN, enhanced attention distillation block (EADB) includes the proposed multi-level dispersion spatial attention (MDSA) and enhanced contrast-aware channel attention (ECCA), respectively. MDSA introduces multi-scale and variance information to obtain more accurate spatial attention distribution. ECCA effectively combines lightweight convolution layers and residual connections to improve the efficiency of channel attention. The experimental results show that the proposed methods are effective and our MDRN achieves a better balance of performance and complexity than the SOTA models. In addition, we won the first place in the model complexity track of the NTIRE 2023 Efficient SR Challenge. The code is available at https://github.com/bbbolt/MDRN." @default.
- W4385804987 created "2023-08-15" @default.
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- W4385804987 date "2023-06-01" @default.
- W4385804987 modified "2023-10-01" @default.
- W4385804987 title "Multi-level Dispersion Residual Network for Efficient Image Super-Resolution" @default.
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- W4385804987 doi "https://doi.org/10.1109/cvprw59228.2023.00167" @default.
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