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A Multilevel Iteration Method for Solving a Coupled Integral Equation Model in Image Restoration
2020
Mathematics
The problem of out-of-focus image restoration can be modeled as an ill-posed integral equation, which can be regularized as a second kind of equation using the Tikhonov method. The multiscale collocation method with the compression strategy has already been developed to discretize this well-posed equation. However, the integral computation and solution of the large multiscale collocation integral equation are two time-consuming processes. To overcome these difficulties, we propose a fully
doi:10.3390/math8030346
fatcat:6d6i4gnwozhq5mhcgxbzsomfb4