A variable parameter variational model with application to real image denoising

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Kun Wang, Xiangchu Feng, Xixi Jia, Tingting Qi

Published: 01 Jan 2024, Last Modified: 30 Sept 2024Signal Process. 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•We constructed a bilevel optimization model using AdaTV and the unpaired strategy.•We utilize adaptive step-size gradient expansion to relax the bilevel optimization model.•We theoretically analyzed the favorable properties of AdaTV.