Why image denoising can be expressed as energy minimization problems (and the formula meaning)

by Mithril   Last Updated December 07, 2017 09:19 AM

I am interested in this paper http://sites.skoltech.ru/app/data/uploads/sites/25/2017/11/deep_image_prior.pdf , but I don't have much knowledge about image denoising . I can't understand why image denoising can be expressed as energy minimization problems, and where the formula come from and what the formula meaning ?

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Updated November 01, 2017 23:19 PM