Analytical noise and slice-sensitivity-profile models for multislice helical CT

Jiang Hsieh

doi:10.1117/12.480002

5 June 2003 Analytical noise and slice-sensitivity-profile models for multislice helical CT

Jiang Hsieh

Proceedings Volume 5030, Medical Imaging 2003: Physics of Medical Imaging; (2003) https://doi.org/10.1117/12.480002
Event: Medical Imaging 2003, 2003, San Diego, California, United States

Abstract

Multi-slice computed tomography (MSCT) is one of the most recent technological advancements in CT. Several experimental studies have been conducted in the last few years on the peformance of MSCT. However, there is a lack of theoretical analysis on the slice sensitivity profile (SSP) and noise performance. In this paper, we derive several closed-form expressions to characterize these performance parameters under different detector configurations and acquisition modes. Following the common practice, the expressions are explicitly described for regions near the iso-center, although the same approach can be used to describe system performances away from the iso-center. Our models are validated against phantom experiments.

Citation Download Citation

Jiang Hsieh "Analytical noise and slice-sensitivity-profile models for multislice helical CT", Proc. SPIE 5030, Medical Imaging 2003: Physics of Medical Imaging, (5 June 2003); https://doi.org/10.1117/12.480002

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