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math.AP2022
Iterative Approach to Image Compression with Noise : Optimizing Spatial and Tonal Data
Zakaria Belhachmi, Thomas Jacumin
We consider some iterative methods for finding the best interpolation data in the images compression with noise. The interpolation data consists of the set of pixels and their grey…
math.AP2018
The bidomain problem as a gradient system
Zakaria Belhachmi, Ralph Chill
We consider a general, nonlinear version of the bidomain system. Using the gradient structure of this system, but also the notion of -subgradient, we prove wellposedness of the…