Transcription of 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, 2006 Computed 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. IMAGE PROCESSING with AdobePhotoshop, ImageJ, Corel PHOTO-PAINT and Origin software has been used inorder to achieve good quality images for quantitative ANALYSIS .
672 E. D. Seleţchi, O. G. Duliu 6 Fig. 5 – ImageJ histograms of X-ray CT abnormal brain scans. (a) Histogram of S2.1 X-ray CT scan (b) Histogram of S2.1 X-ray CT scan. can also perform a set of measurement on a selected object (the brain tumor
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