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On the reconstruction of band-limited multidimensional signals from algebraic sampling contours

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1 Author(s)
Sanz, J.L.C. ; IBM Research Laboratory, San Jose, CA, USA

In this letter we pose and answer the following question: Is a band-limited multidimensional signal uniquely determined by a continuous set of samples whose location is given by the zeroes of a polynomial equation? Applications to the theory of reconstruction of finite-extent objects from a set of generalized projections are discussed including the classical problems of parallel X-ray and diffraction tomography.

Published in:

Proceedings of the IEEE  (Volume:73 ,  Issue: 8 )