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- W2167384162 abstract "Abstarct: The very hot and power-hungry x-ray filaments in today's computed tomography (CT) scanners constrain their design to be big and stationary. What if we built a CT scanner that could be deployed at the scene of a car accident to acquire tomographic images before moving the victim? Recent developments in nanotechnology have shown that carbon nanotubes can produce x-rays at room temperature, and with relatively low power needs. We propose a design for a portable and flexible CT scanner made up of an addressable array of tiny x-ray emitters and detectors. In this paper, we outline a basic design, propose a strategy for reconstruction, and demonstrate the feasibility of reconstruction using experiments on a software simulation of the flexible scanner. These simulations show that reconstruction quality is stable over a wide range of scanner geometries, while progressively larger errors in the scanner geometry induce progressively larger errors. We also raise a number of issues that still need to be overcome to build such a scanner." @default.
- W2167384162 created "2016-06-24" @default.
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- W2167384162 date "2012-04-06" @default.
- W2167384162 modified "2023-09-24" @default.
- W2167384162 title "Plausibility of Image Reconstruction Using a Proposed Flexible and Portable CT Scanner" @default.
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- W2167384162 doi "https://doi.org/10.2174/1874347101206010001" @default.
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