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Experimental mouse phantom: coronal sections of the mouse phantom showing the reconstruction of two embedded line sources using (a) the L2 penalty with a regularization parameter of 10−4, (b) the L1 penalty with a regularization parameter of 20, (c) the TV penalty with a regularization parameter of 0.5, and (d) both L1 and TV penalties with regularization parameters of 10 and 1 respectively.
