Sara Brunetti, Paolo Dulio, Carla Peri. Characterization of { - 1, 0, + 1} Valued Functions in Discrete Tomography under Sets of Four Directions. In Isabelle Debled-Rennesson, Eric Domenjoud, Bertrand Kerautret, Philippe Even, editors, Discrete Geometry for Computer Imagery - 16th IAPR International Conference, DGCI 2011, Nancy, France, April 6-8, 2011. Proceedings. Volume 6607 of Lecture Notes in Computer Science, pages 394-405, Springer, 2011. [doi]
Abstract is missing.