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Poster
Deep Mean-Shift Priors for Image Restoration
Siavash Arjomand Bigdeli · Matthias Zwicker · Paolo Favaro · Meiguang Jin

Tue Dec 05 06:30 PM -- 10:30 PM (PST) @ Pacific Ballroom #86 #None

In this paper we introduce a natural image prior that directly represents a Gaussian-smoothed version of the natural image distribution. We include our prior in a formulation of image restoration as a Bayes estimator that also allows us to solve noise-blind image restoration problems. We show that the gradient of our prior corresponds to the mean-shift vector on the natural image distribution. In addition, we learn the mean-shift vector field using denoising autoencoders, and use it in a gradient descent approach to perform Bayes risk minimization. We demonstrate competitive results for noise-blind deblurring, super-resolution, and demosaicing.

Author Information

Siavash Arjomand Bigdeli (Universit├Ąt Bern)
Matthias Zwicker (University of Maryland, College Park)
Paolo Favaro (University of Bern)
Meiguang Jin (University of Bern)

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