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pro vyhledávání: '"Steven J. Utrup"'
Autor:
Amar Dhanantwari, Sandra Halliburton, Orhan Ozguner, Gezheng Wen, Steven J. Utrup, David W. Jordan
Publikováno v:
Physics in Medicine & Biology. 63:025027
This work evaluated the performance of a detector-based spectral CT system by obtaining objective reference data, evaluating attenuation response of iodine and accuracy of iodine quantification, and comparing conventional CT and virtual monoenergetic
Autor:
Steven J. Utrup, Amar Dhanantwari, Gezheng Wen, David W. Jordan, Sandra Halliburton, Orhan Ozguner
Publikováno v:
Medical Physics. 43:3657-3657
Purpose: To evaluate the attenuation response of iodine and the accuracy of iodine quantification on a detector-based spectral CT scanner. Methods: A Gammex 461A phantom was scanned using a dual-layer detector (IQon, Philips) at 120 kVp using helical
Autor:
Orhan Ozguner, Amar Dhanantwari, David W. Jordan, Gezheng Wen, Steven J. Utrup, Sandra Halliburton
Publikováno v:
Medical Physics. 43:3836-3836
Purpose: To obtain objective reference data for the spectral performance on a dual-layer detector CT platform (IQon, Philips) and compare virtual monoenergetic to conventional CT images. Methods: Scanning was performed using the hospital's clinical a
Autor:
Kevin M. Brown, Steven J. Utrup
Publikováno v:
SPIE Proceedings.
In multi-slice cone beam CT imaging, there are artifacts known as windmill artifacts. These artifacts are due to not satisfying the Nyquist criteria in the patient longitudinal direction. This paper quantifies and compares these artifacts as a functi