Design and development of C-arm based cone-beam CT for image-guided interventions: initial results

Guang-Hong Chen; Joseph Zambelli; Brian E. Nett; Mark Supanich; Cyril Riddell; Barry Belanger; Charles A. Mistretta

doi:10.1117/12.653197

2 March 2006 Design and development of C-arm based cone-beam CT for image-guided interventions: initial results

Guang-Hong Chen, Joseph Zambelli, Brian E. Nett, Mark Supanich, Cyril Riddell, Barry Belanger, Charles A. Mistretta

Proceedings Volume 6142, Medical Imaging 2006: Physics of Medical Imaging; 614210 (2006) https://doi.org/10.1117/12.653197
Event: Medical Imaging, 2006, San Diego, California, United States

Abstract

X-ray cone-beam computed tomography (CBCT) is of importance in image-guided intervention (IGI) and image-guided radiation therapy (IGRT). In this paper, we present a cone-beam CT data acquisition system using a GE INNOVA 4100 (GE Healthcare Technologies, Waukesha, Wisconsin) clinical system. This new cone-beam data acquisition mode was developed for research purposes without interfering with any clinical function of the system. It provides us a basic imaging pipeline for more advanced cone-beam data acquisition methods. It also provides us a platform to study and overcome the limiting factors such as cone-beam artifacts and limiting low contrast resolution in current C-arm based cone-beam CT systems. A geometrical calibration method was developed to experimentally determine parameters of the scanning geometry to correct the image reconstruction for geometric non-idealities. Extensive phantom studies and some small animal studies have been conducted to evaluate the performance of our cone-beam CT data acquisition system.

Citation Download Citation

Guang-Hong Chen, Joseph Zambelli, Brian E. Nett, Mark Supanich, Cyril Riddell, Barry Belanger, and Charles A. Mistretta "Design and development of C-arm based cone-beam CT for image-guided interventions: initial results", Proc. SPIE 6142, Medical Imaging 2006: Physics of Medical Imaging, 614210 (2 March 2006); https://doi.org/10.1117/12.653197

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