Mr. Jae Woong Soh Profile

Jae Woong Soh

at Seoul National Univ

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Proceedings Article | 22 March 2019 Paper

Multi-kernel-based deep residual networks for image super-resolution

Jae Woong Soh, Gu Yong Park, Nam Ik Cho

Proceedings Volume 11049, 1104908 (2019) https://doi.org/10.1117/12.2521217

KEYWORDS: Super resolution, Network architectures, Convolutional neural networks

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Single image super-resolution (SISR) is a classical problem in low-level vision task, which aims to find a mapping function from a single low-resolution (LR) input to corresponding high-resolution (HR) output. Recently, deep networks have achieved great success in SISR task. Recent successful deep models mostly consist of stacked the same size convolution filters whose size is mostly 3 by 3. To cope with more variations in both local dependencies and global contexts between LR and HR images, we propose multi-kernel based deep residual networks for SISR. Since larger kernel requires more parameters, we adopt dilated convolution for increasing the size of the receptive field. Also, we adopt local feature fusion, global feature fusion and local residual learning for controlling the multi-scale features and hence for the better performance by accelerating the convergence. Experimental results show that our proposed model yields improved performance.

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