Michael A Speidel

Summary

Affiliation: University of Wisconsin
Country: USA

Publications

  1. pmc Reduction of image noise in low tube current dynamic CT myocardial perfusion imaging using HYPR processing: a time-attenuation curve analysis
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    Med Phys 40:011904. 2013
  2. pmc Feasibility of low-dose single-view 3D fiducial tracking concurrent with external beam delivery
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin, Madison, WI 53705, USA
    Med Phys 39:2163-9. 2012
  3. ncbi request reprint Scanning-beam digital x-ray (SBDX) technology for interventional and diagnostic cardiac angiography
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Med Phys 33:2714-27. 2006
  4. pmc Three-dimensional tracking of cardiac catheters using an inverse geometry x-ray fluoroscopy system
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 37:6377-89. 2010
  5. ncbi request reprint Comparison of entrance exposure and signal-to-noise ratio between an SBDX prototype and a wide-beam cardiac angiographic system
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Med Phys 33:2728-43. 2006
  6. pmc Calibration-free device sizing using an inverse geometry x-ray system
    Michael T Tomkowiak
    Department of Biomedical Engineering, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 38:283-93. 2011
  7. doi request reprint Targeted transendocardial therapeutic delivery guided by MRI-x-ray image fusion
    Michael T Tomkowiak
    Department of Biomedical Engineering, University of Wisconsin, Madison, USA
    Catheter Cardiovasc Interv 78:468-78. 2011
  8. pmc Noise spatial nonuniformity and the impact of statistical image reconstruction in CT myocardial perfusion imaging
    Pascal Thériault Lauzier
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    Med Phys 39:4079-92. 2012
  9. pmc Temporally targeted imaging method applied to ECG-gated computed tomography: preliminary phantom and in vivo experience
    Brian E Nett
    Department of Medical Physics, University of Wisconsin Madison, J5 M174, Clinical Science Center, 600 Highland Avenue, Madison, WI 53792 1590, USA
    Acad Radiol 15:93-106. 2008
  10. pmc Calibration of GafChromic XR-RV3 radiochromic film for skin dose measurement using standardized x-ray spectra and a commercial flatbed scanner
    Bradley P McCabe
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 38:1919-30. 2011

Collaborators

Detail Information

Publications10

  1. pmc Reduction of image noise in low tube current dynamic CT myocardial perfusion imaging using HYPR processing: a time-attenuation curve analysis
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    Med Phys 40:011904. 2013
    ..The effect of this method on myocardial time-attenuation curve noise and fidelity is evaluated in an animal model, using varying levels of tube current...
  2. pmc Feasibility of low-dose single-view 3D fiducial tracking concurrent with external beam delivery
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin, Madison, WI 53705, USA
    Med Phys 39:2163-9. 2012
    ..To address this limitation, the authors propose a novel concept for on-board imaging based on the inverse-geometry Scanning-Beam Digital X-ray (SBDX) system and evaluate its feasibility for single-view 3D intradelivery fiducial tracking...
  3. ncbi request reprint Scanning-beam digital x-ray (SBDX) technology for interventional and diagnostic cardiac angiography
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Med Phys 33:2714-27. 2006
    ..The x-ray exposure rate 15 cm below isocenter, without table or patient in the beam, measured 11.5 R/min at 120 kVp, 24.3 kWp and 3.42 R/min at 70 kVp, 14.2 kWp...
  4. pmc Three-dimensional tracking of cardiac catheters using an inverse geometry x-ray fluoroscopy system
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 37:6377-89. 2010
    ..This study describes a tomosynthesis-based method for 3D tracking of high-contrast objects and present the first experimental investigation of cardiac catheter tracking using a prototype SBDX system...
  5. ncbi request reprint Comparison of entrance exposure and signal-to-noise ratio between an SBDX prototype and a wide-beam cardiac angiographic system
    Michael A Speidel
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
    Med Phys 33:2728-43. 2006
    ..With improvements to the system geometry, detector, and x-ray source, SBDX technology is projected to achieve conventional cine-quality SNR over a full range of patient thicknesses, with 5-10 times lower skin dose...
  6. pmc Calibration-free device sizing using an inverse geometry x-ray system
    Michael T Tomkowiak
    Department of Biomedical Engineering, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 38:283-93. 2011
    ..The proposed method can measure the diameter and length of vessel segments without imaging a reference object and when vessels appear foreshortened...
  7. doi request reprint Targeted transendocardial therapeutic delivery guided by MRI-x-ray image fusion
    Michael T Tomkowiak
    Department of Biomedical Engineering, University of Wisconsin, Madison, USA
    Catheter Cardiovasc Interv 78:468-78. 2011
    ..To validate a multi-modality image fusion approach to guide catheter-based, targeted transendocardial therapeutic delivery in a swine myocardial infarction (MI) model...
  8. pmc Noise spatial nonuniformity and the impact of statistical image reconstruction in CT myocardial perfusion imaging
    Pascal Thériault Lauzier
    Department of Medical Physics, University of Wisconsin Madison, Madison, WI, USA
    Med Phys 39:4079-92. 2012
    ..2) To demonstrate that statistical image reconstruction (SIR) algorithms can be a potential solution to address the nonuniform spatial noise distribution problem and can also lead to radiation dose reduction in the context of CT MPI...
  9. pmc Temporally targeted imaging method applied to ECG-gated computed tomography: preliminary phantom and in vivo experience
    Brian E Nett
    Department of Medical Physics, University of Wisconsin Madison, J5 M174, Clinical Science Center, 600 Highland Avenue, Madison, WI 53792 1590, USA
    Acad Radiol 15:93-106. 2008
    ..In gated cardiac computed tomography (CT) scans improved temporal resolution directly translates into a reduction in motion artifacts for rapidly moving objects such as the coronary arteries...
  10. pmc Calibration of GafChromic XR-RV3 radiochromic film for skin dose measurement using standardized x-ray spectra and a commercial flatbed scanner
    Bradley P McCabe
    Department of Medical Physics, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    Med Phys 38:1919-30. 2011
    ..In this study, newly formulated XR-RV3 GafChromic film was calibrated with National Institute of Standards and Technology (NIST) traceability for measurement of patient skin dose during fluoroscopically guided interventional procedures...