Algebraic aspects of emission tomography with absorption
In a previous paper the authors analysed the classical discrete tomography problem to construct a 0-1-matrix with given line sums in some given directions. One of the physical representations is that material at the lattice points corresponding to 1's emit units of radiation and that the radiation is measured along the given lines. In the present paper they extend their approach to the case that the intermediate material is absorbing the radiation. They generalise results obtained by Kuba and Nivat. (C) 2002 Elsevier Science B.V. All rights reserved.
emission tomography absorption discrete tomography chinese remainder theorem