Computed Tomography: Fundamentals, System Technology, Image Quality, ApplicationsThis book provides a comprehensive and user-friendly description of the theoretical and technical essentials of computed tomography (CT) for a wide readership. It treats in detail all characteristic parameters relevant for image quality and all performance features significant for clinical applications. Readers will thus be informed how to optimally use a CT system depending on their different diagnostic requirements. This includes a detailed discussion about the dose required and about dose measurement as well as how to reduce dose in CT. This book is intended for all those who work daily, regularly or even only occasionally with CT: doctors, technologists, engineers, service technicians and physicists. A glossary describes all the important technical terms in alphabetical order. |
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Common terms and phrases
algorithms artifacts attenuation backprojection clinical collimator computed tomography cone beam contrast medium convolution kernel CT examinations CT images CT scan CT scanner CT systems CT value data range defined density detector elements detector systems display dose profile dose values effective dose electron evaluation example fan beam field of measurement figure filter focus function gantry geometry image noise image quality image reconstruction increase interpolation Kalender linear low-contrast multi-row detector multi-slice spiral CT noise level object parameters patient dose phantom pitch factor pixel noise point spread function position possible projection radiographs reduced respect rotation sampling scan mode scan plane selected sequential CT single slice single-slice slice sensitivity profile slice thickness slice width slip ring SOMATOM spatial resolution spiral scan survey radiograph table feed thin slices tion tissue tube current typically volume rendering volume scanning voxel x-ray tube xenon z-axis z-direction z-interpolation