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XPixel Team: The architecture of blueprint separable residual network (BSRN).

XPixel Team: The architecture of blueprint separable residual network (BSRN).

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This paper reviews the NTIRE 2022 challenge on efficient single image super-resolution with focus on the proposed solutions and results. The task of the challenge was to super-resolve an input image with a magnification factor of $\times$4 based on pairs of low and corresponding high resolution images. The aim was to design a network for single ima...

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... method description. The XPixel team proposed Blueprint Separable Residual Network (BSRN) as shown in Fig. 8. Following the overall architecture of RFDN, BSRN consists of four stages including the shallow feature extraction, the deep feature extraction, multilayer feature fusion, and reconstruction. In the first stage, the shallow feature extraction contains input replication followed by a linear mapping and a depthwise convolution to map ...