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NFResNet: Multi-scale and U-shaped Networks for Deblurring

2022-12-12 14:19:34
Tanish Mittal, Preyansh Agrawal, Esha Pahwa, Aarya Makwana
arXiv_CV
       
Abstract

Multi-Scale and U-shaped Networks are widely used in various image restoration problems, including deblurring. Keeping in mind the wide range of applications, we present a comparison of these architectures and their effects on image deblurring. We also introduce a new block called as NFResblock. It consists of a Fast Fourier Transformation layer and a series of modified Non-Linear Activation Free Blocks. Based on these architectures and additions, we introduce NFResnet and NFResnet+, which are modified multi-scale and U-Net architectures, respectively. We also use three different loss functions to train these architectures: Charbonnier Loss, Edge Loss, and Frequency Reconstruction Loss. Extensive experiments on the Deep Video Deblurring dataset, along with ablation studies for each component, have been presented in this paper. The proposed architectures achieve a considerable increase in Peak Signal to Noise (PSNR) ratio and Structural Similarity Index (SSIM) value.

Abstract (translated)

URL

https://arxiv.org/abs/2212.05909

PDF

https://arxiv.org/pdf/2212.05909.pdf

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