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RIMS: Residual-Inception Multiscale Image Super-Resolution Network


Wazir Muhammad, Zuhaibuddin Bhutto, Jalal Shah, Murtaza Hussain Shaikh, Syed Ali Raza Shah, Shah Muhammad Butt, Salman Masroor, Ayaz Hussain


Vol. 22  No. 1  pp. 588-592


The growth of deep learning-based convolutional neural networks (CNNs) for image super-resolution (SR) tasks has improved every day and achieved tremendous performance in recent years. Many deep CNNs based image SR are restricted in practical applications due to their high computational cost, more memory consumption, and more training time. In this paper, we propose a residual-inception multiscale image super-resolution network known as RIMS. Proposed network architecture stacked a 3 CNN layers, 2 skip connection ResNet (SCRB) block and 2 multiscale inception blocks (MSIB) are followed by Leaky ReLU (LReLU) activation function. In addition, shrinking and expanding layers are also used to further reduce the number of parameters while preventing the over-fitting problem during the training. Furthermore, we used a deconvolution layer instead of interpolation to extract the rich features information for reconstruing the high-resolution (HR) output image. The experimental evaluations in terms of both quantitative, as well as qualitative, suggest that the proposed method achieves comparable performance to the existing state-of-the-art methods.


Supper-resolution, Convolutional neural networks, Leaky ReLU, PSNR.