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Título: | Phase recovery for two-dimensional digital objects by polynomial factorisation |
Autor: | Nieto Vesperinas, Manuel; Dainty, J. C. | Fecha de publicación: | 1986 | Editor: | Elsevier | Citación: | Optics Communications 58: 83-88 (1986) | Resumen: | Phase retrieval for sampled, real, positive objects in two dimensions is studied from the point of view of factorisation of the z-transform. This decomposition is considered over the field of integers for noise-free autocorrelations of digital objects and the formulation provides a means of calculating all possible objects with a given autocorrelation. A brief discussion on the influence of noise is carried out using some simple examples which show theexistence of an approximate factorisation over reals. © 1986. | URI: | http://hdl.handle.net/10261/64031 | DOI: | 10.1016/0030-4018(86)90395-0 | Identificadores: | doi: 10.1016/0030-4018(86)90395-0 issn: 0030-4018 |
Aparece en las colecciones: | (CFMAC-IO) Artículos |
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