William A Grissom

Summary

Publications

  1. pmc Reweighted ℓ1 referenceless PRF shift thermometry
    William A Grissom
    Department of Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 64:1068-77. 2010
  2. pmc Minimum envelope roughness pulse design for reduced amplifier distortion in parallel excitation
    William A Grissom
    Department of Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 64:1432-9. 2010
  3. pmc Hybrid referenceless and multibaseline subtraction MR thermometry for monitoring thermal therapies in moving organs
    William A Grissom
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Med Phys 37:5014-26. 2010
  4. pmc VERSE-guided numerical RF pulse design: a fast method for peak RF power control
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 67:353-62. 2012
  5. pmc Maximum linear-phase spectral-spatial radiofrequency pulses for fat-suppressed proton resonance frequency-shift MR Thermometry
    William A Grissom
    Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 62:1242-50. 2009
  6. ncbi request reprint VERSE-guided numerical RF pulse design: A fast method for peak RF power control
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 67:spcone. 2012
  7. pmc Time-optimal design for multidimensional and parallel transmit variable-rate selective excitation
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 61:1471-9. 2009
  8. pmc Fast large-tip-angle multidimensional and parallel RF pulse design in MRI
    William A Grissom
    Information Systems and Radiological Sciences Laboratories, Stanford University, Stanford, CA 94305, USA
    IEEE Trans Med Imaging 28:1548-59. 2009

Detail Information

Publications8

  1. pmc Reweighted ℓ1 referenceless PRF shift thermometry
    William A Grissom
    Department of Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 64:1068-77. 2010
    ..The method is compared to conventional referenceless thermometry, and demonstrated experimentally in monitoring HIFU heating in a phantom and canine prostate, as well as in a healthy human liver...
  2. pmc Minimum envelope roughness pulse design for reduced amplifier distortion in parallel excitation
    William A Grissom
    Department of Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 64:1432-9. 2010
    ..We demonstrate experimentally that pulses designed with the new technique suffer less amplifier distortion than unregularized pulses and pulses designed with conventional regularization...
  3. pmc Hybrid referenceless and multibaseline subtraction MR thermometry for monitoring thermal therapies in moving organs
    William A Grissom
    Department of Radiology, Stanford University, Stanford, California 94304, USA
    Med Phys 37:5014-26. 2010
    ..In this paper, a hybrid method for PRF thermometry in moving organs is presented that combines the strengths of referenceless and multi-baseline thermometry...
  4. pmc VERSE-guided numerical RF pulse design: a fast method for peak RF power control
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 67:353-62. 2012
    ..Then, a variable-rate selective excitation-guided numerical RF pulse design is suggested as an online RF pulse design framework, aiming to simultaneously control peak RF power and compensate for off-resonance...
  5. pmc Maximum linear-phase spectral-spatial radiofrequency pulses for fat-suppressed proton resonance frequency-shift MR Thermometry
    William A Grissom
    Electrical Engineering, Stanford University, Stanford, California, USA
    Magn Reson Med 62:1242-50. 2009
    ..We experimentally validate the pulses' performance in suppressing lipid signal and in reducing sequence length compared to conventional spectral-spatial pulses...
  6. ncbi request reprint VERSE-guided numerical RF pulse design: A fast method for peak RF power control
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 67:spcone. 2012
    ..8). Although the reVERSE pulse was 25% shorter than the original pulse, it maintained the profile fidelity with the reduced peak |B(1,n) | from the article by Lee et al (pp 353-362)...
  7. pmc Time-optimal design for multidimensional and parallel transmit variable-rate selective excitation
    Daeho Lee
    Department of Electrical Engineering, Magnetic Resonance Systems Research Laboratory, Stanford University, Stanford, California, USA
    Magn Reson Med 61:1471-9. 2009
    ..Examples are given for 1D and 2D single channel and 2D parallel transmit pulses...
  8. pmc Fast large-tip-angle multidimensional and parallel RF pulse design in MRI
    William A Grissom
    Information Systems and Radiological Sciences Laboratories, Stanford University, Stanford, CA 94305, USA
    IEEE Trans Med Imaging 28:1548-59. 2009
    ..The new method can also compensate for nonidealities such as main field inhomogeneties...