Abstract
For many years, deep neural networks have been used for Single Image Super-resolution (SISR) tasks. However, more extensive networks require higher computing and storage costs, obstructing their deployment on resource-constrained devices. How to ensure the model lightweight while improving its performance is an important direction of SISR research at present. This paper proposed a lightweight local attention network (LLAN) mainly composed of lightweight residual attention groups (LRAGs). LRAG contains lightweight self-calibrated residual blocks with pixel attention (LSC-PAs) and average local attention blocks (ALABs); it utilizes the advantages of the residual connection and attention mechanism. The LSC-PA with strong expression ability can propagate and fuse features better. The ALAB can combine global features and accelerate the network. Furthermore, we discussed three parts of a general SISR network: feature extraction, feature fusion, and reconstruction. Besides, we carried out extensive experiments using five benchmark datasets. The experimental results demonstrated that our method outperforms other compared state-of-the-art techniques, and a better balance between the complexity and performance of the SISR algorithms is achieved.
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Chen, F., Song, X., Zhu, L. (2024). A Lightweight Local Attention Network for Image Super-Resolution. In: Rudinac, S., et al. MultiMedia Modeling. MMM 2024. Lecture Notes in Computer Science, vol 14554. Springer, Cham. https://doi.org/10.1007/978-3-031-53305-1_28
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DOI: https://doi.org/10.1007/978-3-031-53305-1_28
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