Environment (optional)

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Describe the feature

Spectral deblurring algorithms (Wiener deconvolution, Richardson-Lucy) result in severe ringing artifacts when applied to real-world blurry images. Liu and Jia (2008) overcome that using a padding and cropping scheme that smoothes out image borders before deconvolution is performed. I suggest we add support for it.

The method is a bit old but it has been used successfully in a recent paper for real-world super-resolution:

Deep Unfolding Network for Image Super-Resolution, Zhang et al. (CVPR 2020)
https://arxiv.org/abs/2003.10428

Original publication:

• Reducing boundary artifacts in image deconvolution, Renting Liu, Jiaya Jia, ICIP 2008 https://ieeexplore.ieee.org/document/4711802

Motivation

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Alternatives considered

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Additional context

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