R D Wiersma

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi Fast internal marker tracking algorithm for onboard MV and kV imaging systems
    W Mao
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 35:1942-9. 2008
  2. ncbi Examination of geometric and dosimetric accuracies of gated step-and-shoot intensity modulated radiation therapy
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 34:3962-70. 2007
  3. ncbi Combined kV and MV imaging for real-time tracking of implanted fiducial markers
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 35:1191-8. 2008
  4. ncbi Use of MV and kV imager correlation for maintaining continuous real-time 3D internal marker tracking during beam interruptions
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 54:89-103. 2009
  5. ncbi Real-time 3D internal marker tracking during arc radiotherapy by the use of combined MV-kV imaging
    W Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 53:7197-213. 2008

Detail Information

Publications5

  1. ncbi Fast internal marker tracking algorithm for onboard MV and kV imaging systems
    W Mao
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 35:1942-9. 2008
    ..Near real-time operational speeds of approximately 10 frames/sec for the detection of five markers in a 1024 x 768 image are accomplished using an ordinary PC workstation...
  2. ncbi Examination of geometric and dosimetric accuracies of gated step-and-shoot intensity modulated radiation therapy
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 34:3962-70. 2007
    ..64 MU from their planned value when delivered at 600 MU/min using gating, this compares to only approximately 0.32 MU for the ungated case...
  3. ncbi Combined kV and MV imaging for real-time tracking of implanted fiducial markers
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
    Med Phys 35:1191-8. 2008
    ..The technique requires minimal hardware modification and is potentially useful for image-guided radiation therapy systems...
  4. ncbi Use of MV and kV imager correlation for maintaining continuous real-time 3D internal marker tracking during beam interruptions
    R D Wiersma
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 54:89-103. 2009
    ....
  5. ncbi Real-time 3D internal marker tracking during arc radiotherapy by the use of combined MV-kV imaging
    W Liu
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Phys Med Biol 53:7197-213. 2008
    ..4 Hz. In general, highly accurate real-time tracking of implanted markers using hybrid MV-kV imaging is achievable and the technique should be useful to improve the beam targeting accuracy of arc therapy...