Breast tomosynthesis imaging configuration optimization based on computer simulation

Shiyu Xu; Linlin Cong; Jianping Lu; Otto Zhou; Yueh Z. Lee M.D.; Ying Chen

doi:10.1117/1.JEI.23.1.013017

6 February 2014 Breast tomosynthesis imaging configuration optimization based on computer simulation

Shiyu Xu, Linlin Cong, Jianping Lu, Otto Zhou, Yueh Z. Lee M.D., Ying Chen

Author Affiliations +

Journal of Electronic Imaging, Vol. 23, Issue 1, 013017 (February 2014). https://doi.org/10.1117/1.JEI.23.1.013017

Abstract

Digital tomosynthesis is an innovative imaging technology for early breast cancer detection by providing three-dimensional anatomical information with fast image acquisition and low-dose radiation. Most of current breast tomosynthesis systems utilize a design where a single x-ray tube moves along an arc above objects over a certain angular range. The mechanical movement and patient motion during the scan may degrade image quality. With a carbon nanotube–based multibeam x-ray source, a new breast tomosynthesis modality is innovated, which will potentially produce better image quality with stationary beam sources and faster scan and it enables a variety of beam distributions. In this study, several beam distributions, such as beam sources spanning along a one-dimensional (1-D) parallel configuration and sources over a two-dimensional (2-D) rectangle shape are investigated based on computer simulations. Preliminary results show that 2-D rectangle shapes outperform 1-D parallel shapes by providing better Z-resolution, enhanced image contrast, reduced out-of-plane blur and artifacts and lower reconstruction noise. These benefits may expand tomosynthesis applications to diagnostic and interventional procedures.

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Shiyu Xu, Linlin Cong, Jianping Lu, Otto Zhou, Yueh Z. Lee M.D., and Ying Chen "Breast tomosynthesis imaging configuration optimization based on computer simulation," Journal of Electronic Imaging 23(1), 013017 (6 February 2014). https://doi.org/10.1117/1.JEI.23.1.013017

Published: 6 February 2014

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