Research Interest

  • Dual-energy and spectral CT imaging
  • Medical image processing and quantitative image analysis
  • Radiation dose reduction and image quality evaluation

Publications

Featured Publications LegendFeatured Publications

Reducing image noise in computed tomography (CT) colonography: effect of an integrated circuit CT detector.
Liu Y, Leng S, Michalak GJ, Vrieze TJ, Duan X, Qu M, Shiung MM, McCollough CH, Fletcher JG J Comput Assist Tomogr 2014 May-Jun 38 3 398-403
Risks, benefits, and risk reduction strategies in thoracic CT imaging.
Duan X, McCollough C Semin Respir Crit Care Med 2014 Feb 35 1 83-90
Electronic noise in CT detectors: Impact on image noise and artifacts.
Duan X, Wang J, Leng S, Schmidt B, Allmendinger T, Grant K, Flohr T, McCollough CH AJR Am J Roentgenol 2013 Oct 201 4 W626-32
Differentiation of calcium oxalate monohydrate and calcium oxalate dihydrate stones using quantitative morphological information from micro-computerized and clinical computerized tomography.
Duan X, Qu M, Wang J, Trevathan J, Vrtiska T, Williams JC, Krambeck A, Lieske J, McCollough C J. Urol. 2013 Jun 189 6 2350-6
Urinary stone differentiation in patients with large body size using dual-energy dual-source computed tomography.
Qu M, Jaramillo-Alvarez G, Ramirez-Giraldo JC, Liu Y, Duan X, Wang J, Vrtiska TJ, Krambeck AE, Lieske J, McCollough CH Eur Radiol 2013 May 23 5 1408-14
Attenuation-based estimation of patient size for the purpose of size specific dose estimation in CT. Part II. Implementation on abdomen and thorax phantoms using cross sectional CT images and scanned projection radiograph images.
Wang J, Christner JA, Duan X, Leng S, Yu L, McCollough CH Med Phys 2012 Nov 39 11 6772-8
Attenuation-based estimation of patient size for the purpose of size specific dose estimation in CT. Part I. Development and validation of methods using the CT image.
Wang J, Duan X, Christner JA, Leng S, Yu L, McCollough CH Med Phys 2012 Nov 39 11 6764-71
Kidney stone volume estimation from computerized tomography images using a model based method of correcting for the point spread function.
Duan X, Wang J, Qu M, Leng S, Liu Y, Krambeck A, McCollough C J. Urol. 2012 Sep 188 3 989-95
Dose reduction to anterior surfaces with organ-based tube-current modulation: evaluation of performance in a phantom study.
Duan X, Wang J, Christner JA, Leng S, Grant KL, McCollough CH AJR Am J Roentgenol 2011 Sep 197 3 689-95
CT scanner x-ray spectrum estimation from transmission measurements.
Duan X, Wang J, Yu L, Leng S, McCollough CH Med Phys 2011 Feb 38 2 993-7

Professional Associations/Affiliations

  • American Association of Physicists in Medicine (2011)