Abstract
Video super-resolution (VSR) reconstruction technique aims to improve the spatiotemporal resolution of consecutive low resolution (LR) frames. Most of previous methods use the correlation of inter-frame to restore pixels. It is still a challenge to exploit intra-frame and inter-frame correlations to recover high-resolution (HR) frames, especially reconstruction of video in low-light conditions for sharp imaging results has been a bottleneck in current industrial environments. Therefore, this paper proposes a novel VSR network. Specifically, we first generate the hidden information of the current frame by using the appropriate combination of the front and rear frames. Then, a re-fusion block (RFB) is designed, which utilizes the hidden information to re-fuse with corresponding LR frame. After that, we integrate an improved dual attention mechanism (DAM) into network to extract more accurate feature of intra-frame without increasing the number of parameters. The technology has important practical significance in low-light and dim scenes, so we collect some industrial video sequences and make datasets to complete VSR task. Experimental results show that our model significantly outperforms state-of-the-art methods in performance.
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