Wisconsin Alumni Research Foundation

Technology

Dual-Energy CT Cuts Costs, Radiation Dose

Dual-energy computed tomography (CT) was first proposed in the 1970s but has wavered in practical usage ever since. In essence, the process employs two different X-ray spectra (i.e., a high energy lev...
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Guang-Hong Chen | P130360US01

Technology

Reducing Image Noise and X-ray Dose in Spectral CT

With the advance of photon counting technology, spectral CT (multi-energy CT) has attracted lots of attention. The technique utilizes X-ray spectral information to identify and differentiate materials...
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Charles Mistretta, Cynthia McCollough, Shuai Leng, Lifeng Yu, Joel Fletcher | P100364US02

Technology

Statistical Noise Map for Reducing X-Ray Exposure

Iterative image reconstruction techniques can be used to produce high quality tomographic images from noise-contaminated data. It is known that a statistical weight is critical for great image quality...
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Guang-Hong Chen, Jie Tang | P130056US01

Technology

Evaluating Systemic Cancers

Assessing treatment response in cancer patients is essential to manage their disease and evaluate therapy. Computed tomography (CT) is widely used to monitor cancer treatment by measuring changes in t...
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Robert Jeraj, Glenn Liu | P120188US01

WARF