Academic Radiology
Volume 13, Issue 1 , Pages 55-62 , January 2006

Reduction of Half-Scan Shading Artifact Based on Full-Scan Correction1

  • John Arbash Meinel, BSE

      Affiliations

    • Department of Biomedical Engineering, University of Iowa, College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242
    • ,
  • Eric Hoffman, PhD

      Affiliations

    • Department of Radiology, University of Iowa, College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242
    • Department of Biomedical Engineering, University of Iowa, College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242
    • ,
  • Anne Clough, PhD

      Affiliations

    • Department of Engineering, Marquette University, Milwaukee, WI
    • ,
  • Ge Wang, PhD

      Affiliations

    • Department of Radiology, University of Iowa, College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242
    • Department of Biomedical Engineering, University of Iowa, College of Medicine, 200 Hawkins Drive, Iowa City, IA 52242
    • Corresponding Author InformationAddress correspondence to: G.W.

Received 14 February 2005 ,Revised 29 July 2005 ,Accepted 1 August 2005.

References 

  1. Clough AV , Haworth ST , Roerig DL , Hoffman EA , Dawson CA . Influence of gravity on radiographic contrast material-based measurements of regional blood flow distribution . Acad Radiol . 2003;10:128–138
  2. Won C , Chon D , Tajik J , et al.   CT-based assessment of regional pulmonary microvascular blood flow parameters . J Appl Physiol . 2003;94:2483–2493
  3. Hoffman EA , McLennan G . Needs for assessment of pulmonary structure/function relationships and clinical outcomes measures (quantitative volumetric CT of the lung) . Acad Radiol . 1997;4:758–776
  4. Tajik JK , Chon D , Won C , Tran BQ , Hoffman EA . Subsecond multisection CT of regional pulmonary ventilation . Acad Radiol . 2002;9:130–146
  5. Hu H . Multislice helical CT (image temporal resolution) . IEEE Trans Med Imaging . 2000;19:384–390
  6. Wang G . Preliminary study on helical CT algorithms for patient motion estimation and compensation . IEEE Trans Med Imaging . 1995;14:205–211
  7. Barrett JF , Keat N . Artifacts in CT (recognition and avoidance) . Radiographics . 2004;24:1679–1691
  8. Hsieh J . Nonlinear partial volume artifact correction in helical CT . IEEE Trans Nucl Sci . 1999;46:743–747
  9. Hsieh J . Causes and corrections for 3D image artifact in HCT . IEEE Trans Nucl Sci . 1999;46:748–753
  10. Silver MD . A method for including redundant data in computed tomography . Med Phys . 2004;27:773–774
  11. Taguchi K . Temporal resolution and the evaluation of candidate algorithms for four-dimensional CT . Med Phys . 2003;30:640–650

 Supported in part by Bioengineering Research Partnership grant no. HL064368 from the National Institutes of Health and grant no. EB002667 from the National Institutes of Health/National Institute for Biomedical Imaging and Bioengineering.

PII: S1076-6332(05)00638-0

doi: 10.1016/j.acra.2005.08.007

Academic Radiology
Volume 13, Issue 1 , Pages 55-62 , January 2006

Article Tools

* Image Usage & Resolution