Hans Weber

Summary

Affiliation: University Hospital
Country: Germany

Publications

  1. doi request reprint Excitation and geometrically matched local encoding of curved slices
    Hans Weber
    Department of Radiology, Medical Physics, University Medical Centre Freiburg, Freiburg, Germany
    Magn Reson Med 69:1317-25. 2013
  2. doi request reprint Microcoil-based MRI: feasibility study and cell culture applications using a conventional animal system
    Hans Weber
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 24:137-45. 2011
  3. pmc Stages: sub-Fourier dynamic shim updating using nonlinear magnetic field phase preparation
    Walter R T Witschey
    Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA Medical Physics, Department of Radiology, University Medical Center Freiburg, Freiburg i Breisgau, Germany
    Magn Reson Med 71:57-66. 2014
  4. doi request reprint Practical considerations for in vivo MRI with higher dimensional spatial encoding
    Daniel Gallichan
    University Medical Center Freiburg, Freiburg, Germany
    MAGMA 25:419-31. 2012
  5. doi request reprint Performance evaluation of matrix gradient coils
    Feng Jia
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 29:59-73. 2016
  6. doi request reprint Monoplanar gradient system for imaging with nonlinear gradients
    Sebastian Littin
    Department of Diagnostic Radiology, Medical Physics, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 28:447-57. 2015
  7. pmc Image reconstruction in k-space from MR data encoded with ambiguous gradient fields
    Gerrit Schultz
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Freiburg, Germany
    Magn Reson Med 73:857-64. 2015
  8. doi request reprint Radial imaging with multipolar magnetic encoding fields
    Gerrit Schultz
    Department of Radiology, Medical Physics, University Medical Center Freiburg, 79106 Freiburg, Germany
    IEEE Trans Med Imaging 30:2134-45. 2011
  9. doi request reprint Local field of view imaging for alias-free undersampling with nonlinear spatial encoding magnetic fields
    Hans Weber
    Department of Radiology Medical Physics, University Medical Center Freiburg, Freiburg, Germany
    Magn Reson Med 71:1002-14. 2014
  10. doi request reprint Local shape adaptation for curved slice selection
    Hans Weber
    University Medical Center Freiburg, Department of Radiology Medical Physics, Freiburg, Germany
    Magn Reson Med 72:112-23. 2014

Detail Information

Publications10

  1. doi request reprint Excitation and geometrically matched local encoding of curved slices
    Hans Weber
    Department of Radiology, Medical Physics, University Medical Centre Freiburg, Freiburg, Germany
    Magn Reson Med 69:1317-25. 2013
    ....
  2. doi request reprint Microcoil-based MRI: feasibility study and cell culture applications using a conventional animal system
    Hans Weber
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 24:137-45. 2011
    ..4 T horizontal animal MRI system using commercial available microcoils in combination with only minor modifications to the system, thereby opening this field to a larger community...
  3. pmc Stages: sub-Fourier dynamic shim updating using nonlinear magnetic field phase preparation
    Walter R T Witschey
    Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA Medical Physics, Department of Radiology, University Medical Center Freiburg, Freiburg i Breisgau, Germany
    Magn Reson Med 71:57-66. 2014
    ..We anticipate that this method will be useful to improve the quality of magnetic resonance images by removing deleterious artifacts associated with a heterogeneous static magnetic field...
  4. doi request reprint Practical considerations for in vivo MRI with higher dimensional spatial encoding
    Daniel Gallichan
    University Medical Center Freiburg, Freiburg, Germany
    MAGMA 25:419-31. 2012
    ..This work seeks to examine practical aspects of in vivo imaging when spatial encoding is performed with three or more encoding channels for a 2D image...
  5. doi request reprint Performance evaluation of matrix gradient coils
    Feng Jia
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 29:59-73. 2016
    ..In this paper, we present a new performance measure of a matrix coil (also known as multi-coil) from the perspective of efficient, local, non-linear encoding without explicitly considering target encoding fields...
  6. doi request reprint Monoplanar gradient system for imaging with nonlinear gradients
    Sebastian Littin
    Department of Diagnostic Radiology, Medical Physics, University Medical Center Freiburg, Breisacher Str 60a, 79106, Freiburg, Germany
    MAGMA 28:447-57. 2015
    ..In this paper we present a monoplanar gradient system capable of imaging a volume comparable with that covered by linear gradient systems. Such a system has been designed and implemented...
  7. pmc Image reconstruction in k-space from MR data encoded with ambiguous gradient fields
    Gerrit Schultz
    Medical Physics, Department of Radiology, University Medical Center Freiburg, Freiburg, Germany
    Magn Reson Med 73:857-64. 2015
    ..In this work, the limits of image reconstruction in k-space are explored when non-bijective gradient fields are used for spatial encoding...
  8. doi request reprint Radial imaging with multipolar magnetic encoding fields
    Gerrit Schultz
    Department of Radiology, Medical Physics, University Medical Center Freiburg, 79106 Freiburg, Germany
    IEEE Trans Med Imaging 30:2134-45. 2011
    ..The direct reconstruction gives good results for fully sampled datasets. Undersampled datasets, however, show star-shaped artifacts, which are significantly reduced with the iterative reconstruction...
  9. doi request reprint Local field of view imaging for alias-free undersampling with nonlinear spatial encoding magnetic fields
    Hans Weber
    Department of Radiology Medical Physics, University Medical Center Freiburg, Freiburg, Germany
    Magn Reson Med 71:1002-14. 2014
    ..Nonlinear spatial encoding magnetic fields result in an inhomogeneous image resolution. Within this study, this characteristic property of nonlinear encoding is investigated with regard to its potential to accelerate MRI acquisitions...
  10. doi request reprint Local shape adaptation for curved slice selection
    Hans Weber
    University Medical Center Freiburg, Department of Radiology Medical Physics, Freiburg, Germany
    Magn Reson Med 72:112-23. 2014
    ..However, the nonlinearity of the fields results in a varying slice thickness. Within this study, the technique is combined with multidimensional RF excitation for local adaptation of the slice shape...