X-ray computed tomography
Michael, Gregory (2001) X-ray computed tomography. Physics Education, 36(6), pp. 442-451.
X-ray computed tomography (CT) is a medical imaging technique that produces images of trans-axial planes through the human body. When compared with a conventional radiograph, which is an image of many planes superimposed on each other, a CT image exhibits significantly improved contrast although this is at the expense of reduced spatial resolution.-----
A CT image is reconstructed mathematically from a large number of one dimensional projections of the chosen plane. These projections are acquired electronically using a linear array of solid-state detectors and an x ray source that rotates around the patient.-----
X-ray computed tomography is used routinely in radiological examinations. It has also be found to be useful in special applications such as radiotherapy treatment planning and three-dimensional imaging for surgical planning.
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|Item Type:||Journal Article|
|Keywords:||X-ray, computed tomography, back projection, three dimensional imaging, surgical planning|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Radiology and Organ Imaging (110320)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > Physics
|Copyright Owner:||Copyright 2001 Institute of Physics|
|Deposited On:||23 Feb 2010 07:38|
|Last Modified:||22 Jun 2011 00:58|
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