Abstract

m equispaced views of a two-dimensional object yield precisely m2 real numbers characterizing the object. These are generalized moments of the object and are free of aliasing contamination. A reconstruction that matches these moments is positively constrained and maximizes entropy can be generated. Certain types of a priori knowledge can be incorporated, and the reconstruction is not overly sensitive to noise on the data.

© 1982 Optical Society of America

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