Helical CT imaging performance of a new multislice scanner

Hui Hu; H. David He; W. Dennis Foley; Stanley H. Fox

doi:10.1117/12.348600

21 May 1999 Helical CT imaging performance of a new multislice scanner

Hui Hu, H. David He, W. Dennis Foley, Stanley H. Fox

Proceedings Volume 3661, Medical Imaging 1999: Image Processing; (1999) https://doi.org/10.1117/12.348600
Event: Medical Imaging '99, 1999, San Diego, CA, United States

Abstract

The principles and operations of 4-slice helical CT are discussed. The SSP, image noise and artifacts of a 4-slice scanner are measured by phantom scans and compared with theoretical predictions and the measurements of single-slice CT. The evaluation of these physical attributes for all helical imaging modes of 4-slice scanner is summarized in an operation chart. The preliminary studies indicate that comparing with single-slice helical CT, the volume coverage speed of 4-slice helical CT can be at least twice as fast with fully comparable image quality, or, in many cases, 3 times as fast with diagnostically comparable image quality. Two examples are given to illustrate the clinical benefit of the speed performance improvement (and operation flexibility) provided by 4-slice helical CT.

Citation Download Citation

Hui Hu, H. David He, W. Dennis Foley, and Stanley H. Fox "Helical CT imaging performance of a new multislice scanner", Proc. SPIE 3661, Medical Imaging 1999: Image Processing, (21 May 1999); https://doi.org/10.1117/12.348600

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