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                                            ndjurabe

Do ADMM and PDHG algorithms have positivity constraints or padding?

So I've been trying to reconstruct some tomo data that has negative values and while I get a pretty nice results with fbp, when I try to run either the...

FISTA for tomographic reconstruction

Hello, I am trying to perform FISTA reconstruction but the f_prox = f.proximal(gamma) line in proximal_gradient_solvers.py throws me an error because (I guess) my regularizer functional f falls into the...