Fast Image Deblurring Based On the Lightweight Progressive Residual Network

Although deep learning-based methods show their superiority in the field of single image deblurring, it is difficult to be applied to practice for requiring more computing resources and memory consumption as network deepens. In this work, a lightweight and fast progressive residual network for image deburring is proposed. The network takes shallow residual network as basic model to make full use of the local feature information and strengthen the information flow during back propagation. By reusing the residual network recursively in subsequent several stages and sharing parameters, the network model can be greatly simplified and the parameters can be reduced. To improve the reconstruction performance of the network, the feature recalibration module is applied to feature fusion. The channel attention mechanism is applied to integrate input image and output feature map of each residual network, and then the spatial information of feature map is selected adaptively to achieve better feature reconstruction. Experimental results show that the proposed model has fast running speed with a small number of parameters, which is much better than the existing algorithms, and can produce quite promising results for the removal of spatial-invariant blurring.