Affiliation: Philips Research
- Combined high-resolution and real-time imaging: a technical feasibility study on coronary magnetic resonance angiographyHolger Eggers
Philips Research, Division Technical Systems, Hamburg, Germany
J Magn Reson Imaging 16:584-90. 2002..To propose a new approach to combining high-resolution and real-time imaging and to show its technical feasibility on the example of coronary magnetic resonance angiography...
- Signal decay correction in 2D ultra-short echo time imagingDetlef Mentrup
Philips Medical Systems, General X Ray Systems, Roentgenstrasse 24, 22335, Hamburg, Germany
MAGMA 19:62-70. 2006..The present work proposes an iterative algorithm to correct these adverse effects...
- Image-based tracking of optically detunable parallel resonant circuitsHolger Eggers
Philips Research, Sector Technical Systems, Hamburg, Germany
Magn Reson Med 49:1163-74. 2003..Image-based tracking may thus become a competitive (if not superior) alternative to projection-based tracking of parallel resonant circuits...
- Dual-echo Dixon imaging with flexible choice of echo timesHolger Eggers
Philips Research, Hamburg, Germany
Magn Reson Med 65:96-107. 2011....
- Field inhomogeneity correction based on gridding reconstruction for magnetic resonance imagingHolger Eggers
Philips Research Europe, Sector Medical Imaging Systems, 22335 Hamburg, Germany
IEEE Trans Med Imaging 26:374-84. 2007..Moreover, it allows a simple choice of key parameters involved in approximating an exponential function and a balance between the accuracy of reconstruction and correction...
- Water/fat-resolved whole-heart Dixon coronary MRA: an initial comparisonPeter Bornert
Philips Research Europe, Hamburg, Germany Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
Magn Reson Med 71:156-63. 2014..To enhance CMRA image quality by improved fat suppression and to provide additionally fat-only information highly resolved, dual-echo Dixon CMRA approaches have been developed...
- Whole-body 3D water/fat resolved continuously moving table imagingPeter Bornert
Philips Research Laboratories Hamburg, Hamburg, Germany
J Magn Reson Imaging 25:660-5. 2007..To study the feasibility of three-dimensional (3D) whole-body, head-to-toe, water/fat resolved MRI, using continuously moving table imaging technology...
- Spiral water-fat imaging with integrated off-resonance correction on a clinical scannerPeter Bornert
Philips Research Europe, Hamburg, Germany
J Magn Reson Imaging 32:1262-7. 2010..To integrate water-fat-resolved spiral gradient-echo imaging with off-resonance correction into a clinical MR scanner and to evaluate its basic feasibility and performance...
- An optimal radial profile order based on the Golden Ratio for time-resolved MRIStefanie Winkelmann
Institute of Biomedical Engineering, University of Karlsruhe, Germany
IEEE Trans Med Imaging 26:68-76. 2007....
- SNR enhancement in radial SSFP imaging using partial k-space averagingStefanie Winkelmann
Institute of Biomedical Engineering, University of Karlsruhe, 76128 Karlsruhe, Germany
IEEE Trans Med Imaging 24:254-62. 2005..The gain in SNR is most notable in rapid imaging, since SNR enhancement for a constant repetition time may be used to compensate for the increase in noise resulting from angular undersampling...
- Chemical shift encoding-based water-fat separation methodsHolger Eggers
Philips Research, Hamburg, Germany
J Magn Reson Imaging 40:251-68. 2014..Finally, advantages and disadvantages of these Dixon methods are summarized, and emerging opportunities arising from the availability of information on the amount and distribution of fat are discussed...
- Simultaneous imaging and R2* mapping using a radial multi-gradient-echo (rMGE) sequenceStefanie Winkelmann
Institute of Biomedical Engineering, University of Karlsruhe, Karlsruhe, Germany
J Magn Reson Imaging 24:939-44. 2006..The technique provides a fast method for online monitoring of the administration of (super-)paramagnetic contrast agents as well as image-guided drug delivery...
- k-t BLAST reconstruction from non-Cartesian k-t space samplingMichael S Hansen
Institute for Biomedical Engineering, Swiss Federal Institute of Technology, ETH, Zurich, Switzerland
Magn Reson Med 55:85-91. 2006..The proposed approach thus allows investigators to combine the specific advantages of non-Cartesian imaging or retrospective gating with the acceleration provided by k-t BLAST...
- Correction for heart rate variability improves coronary magnetic resonance angiographyTim Leiner
Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
J Magn Reson Imaging 22:577-82. 2005..To address degradation of coronary MR angiography (MRA) image quality due to heart rate variability (HRV)-associated variations in coronary artery position and motion...