Siemens SOMATOM Spirit, Operator'S Manual, Page: 467 / 484

Glossary
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04/2012
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M-9
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I
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ICT
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Interventional Computed Tomography.
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Acquisition method providing more space between the patient
table and gantry, e.g., for use of a C-arm.
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Image control system (ICS)
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Computer on which the CT scanner is controlled (Navigator).
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Image data compression
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Data is compressed when storing images for more efficient use
of the storage capacity of the data carrier. The
image matrix is
maintained.
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Image matrix
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Size of a medical image in pixels , e.g.: 512 x 512, 1024 x 1024.
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Image mode
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In image mode filming, the transfer of the images to the camera
takes place image by image (see also
page mode ).
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Image reconstruction
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Computation of the CT image from the measured raw data .
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Image reconstruction sys-
tem (IRS)
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Computer for reconstruction of the CT images from the mea-
sured
raw data .
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Isocenter
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Center of the scan plane .
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