Effects Of Radiation Parameters On Computerized Transverse Axial Tomography

R. G. Waggener; W. D. McDavid; W. H. Payne; M. J. Dennis

doi:10.1117/12.954615

25 March 1976 Effects Of Radiation Parameters On Computerized Transverse Axial Tomography

R. G. Waggener, W. D. McDavid, W. H. Payne, M. J. Dennis

Proceedings Volume 0070, Application of Optical Instrumentation in Medicine IV; (1976) https://doi.org/10.1117/12.954615
Event: Application of Optical Instrumentation in Medicine, IV, 1975, Atlanta, United States

Abstract

Effects of kVp, voltage wave form, added filter, and tube current on three-dimensional reconstruction from x-rays have been investigated in relationship to sampling time,spectral heterogeneity, contrast, quantum noise, and patient dose. Comparison of statistical limitations with and without a water-bath indicates that scanners which employ a water-bath are comparatively inflexible in this regard. A degree of flexibility in the choice of kilovoltage and filter seems both desirable and feasible in scanners which do not use a water-bath. Minimization of patient dose is also limited by statistical factors. Reconstructions from measured data have been carried out to demonstrate the relationship between these factors.

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R. G. Waggener, W. D. McDavid, W. H. Payne, and M. J. Dennis "Effects Of Radiation Parameters On Computerized Transverse Axial Tomography", Proc. SPIE 0070, Application of Optical Instrumentation in Medicine IV, (25 March 1976); https://doi.org/10.1117/12.954615

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KEYWORDS

Scanners

Computed tomography

Sensors

Copper

Radiation effects

Optical filters

Aluminum

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