IMAGE PROCESSING AND DATA ANALYSIS - Horia …

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IMAGE PROCESSING AND data ANALYSISIN COMPUTED TOMOGRAPHY E. D. SELE CHI1, O. G. DULIU21 University of Bucharest, Faculty of Physics, Romania2 University of Bucharest, Department of Atomic and Nuclear Physics, M gurele, Box, MG-11, RO-077125, Bucharest, RomaniaReceived September 12, 2006Computed Tomography (CT) is a non-invasive technique to provide CTimages of every part of the human body without superimposition of adjacentstructures. Measurements with X-ray CT are subject to a variety of imperfections orimage artifacts including: quantum noise, X-ray scattering by the patient, beamhardening and nonlinear partial volume effects.

3 Image processing and data analysis in computed tomography 669 or spiral fashion [5], shortening acquisition time and reducing artifacts such as:

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