Ruijiang Li

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. pmc Real-time tumor motion estimation using respiratory surrogate via memory-based learning
    Ruijiang Li
    Department of Radiation Oncology, Stanford University, Stanford, CA, USA
    Phys Med Biol 57:4771-86. 2012
  2. doi request reprint Nonisocentric treatment strategy for breast radiation therapy: a proof of concept study
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California Electronic address
    Int J Radiat Oncol Biol Phys 88:920-6. 2014
  3. pmc Evaluation of the geometric accuracy of surrogate-based gated VMAT using intrafraction kilovoltage x-ray images
    Ruijiang Li
    Department of Radiation Oncology, Stanford University, Stanford, CA 94305 5847, USA
    Med Phys 39:2686-93. 2012
  4. pmc A Bayesian approach to real-time 3D tumor localization via monoscopic x-ray imaging during treatment delivery
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, 875 Blake Wilbur Drive, Stanford, California 94305 5847, USA
    Med Phys 38:4205-14. 2011
  5. doi request reprint Markerless lung tumor tracking and trajectory reconstruction using rotational cone-beam projections: a feasibility study
    John H Lewis
    Department of Radiation Oncology, University of California San Diego, La Jolla, CA 92093, USA
    Phys Med Biol 55:2505-22. 2010
  6. pmc Clinical implementation of intrafraction cone beam computed tomography imaging during lung tumor stereotactic ablative radiation therapy
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California
    Int J Radiat Oncol Biol Phys 87:917-23. 2013
  7. pmc Automatic prostate tracking and motion assessment in volumetric modulated arc therapy with an electronic portal imaging device
    Juan Diego Azcona
    Department of Radiation Oncology, Stanford University, Stanford, California 94305, USA
    Int J Radiat Oncol Biol Phys 86:762-8. 2013
  8. ncbi request reprint Patient-specific motion artifacts in 4DCT
    W Tyler Watkins
    Department of Radiation Oncology, University of California San Diego, La Jolla, California 92093, USA
    Med Phys 37:2855-61. 2010
  9. doi request reprint A feasibility study of markerless fluoroscopic gating for lung cancer radiotherapy using 4DCT templates
    Ruijiang Li
    Department of Radiation Oncology, University of California San Diego, 3855 Health Sciences Dr, La Jolla, CA 92037 0843, USA
    Phys Med Biol 54:N489-500. 2009
  10. doi request reprint GPU-based fast low-dose cone beam CT reconstruction via total variation
    Xun Jia
    Center for Advanced Radiotherapy Technologies, Department of Radiation Oncology, University of California San Diego, La Jolla, CA, USA
    J Xray Sci Technol 19:139-54. 2011

Collaborators

Detail Information

Publications24

  1. pmc Real-time tumor motion estimation using respiratory surrogate via memory-based learning
    Ruijiang Li
    Department of Radiation Oncology, Stanford University, Stanford, CA, USA
    Phys Med Biol 57:4771-86. 2012
    ..These desirable properties make it an ideal candidate for accurate and robust tumor gating/tracking using respiratory surrogates...
  2. doi request reprint Nonisocentric treatment strategy for breast radiation therapy: a proof of concept study
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California Electronic address
    Int J Radiat Oncol Biol Phys 88:920-6. 2014
    ..To propose a nonisocentric treatment strategy as a special form of station parameter optimized radiation therapy, to improve sparing of critical structures while preserving target coverage in breast radiation therapy...
  3. pmc Evaluation of the geometric accuracy of surrogate-based gated VMAT using intrafraction kilovoltage x-ray images
    Ruijiang Li
    Department of Radiation Oncology, Stanford University, Stanford, CA 94305 5847, USA
    Med Phys 39:2686-93. 2012
    ..To evaluate the geometric accuracy of beam targeting in external surrogate-based gated volumetric modulated arc therapy (VMAT) using kilovoltage (kV) x-ray images acquired during dose delivery...
  4. pmc A Bayesian approach to real-time 3D tumor localization via monoscopic x-ray imaging during treatment delivery
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, 875 Blake Wilbur Drive, Stanford, California 94305 5847, USA
    Med Phys 38:4205-14. 2011
    ....
  5. doi request reprint Markerless lung tumor tracking and trajectory reconstruction using rotational cone-beam projections: a feasibility study
    John H Lewis
    Department of Radiation Oncology, University of California San Diego, La Jolla, CA 92093, USA
    Phys Med Biol 55:2505-22. 2010
    ....
  6. pmc Clinical implementation of intrafraction cone beam computed tomography imaging during lung tumor stereotactic ablative radiation therapy
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California
    Int J Radiat Oncol Biol Phys 87:917-23. 2013
    ..To develop and clinically evaluate a volumetric imaging technique for assessing intrafraction geometric and dosimetric accuracy of stereotactic ablative radiation therapy (SABR)...
  7. pmc Automatic prostate tracking and motion assessment in volumetric modulated arc therapy with an electronic portal imaging device
    Juan Diego Azcona
    Department of Radiation Oncology, Stanford University, Stanford, California 94305, USA
    Int J Radiat Oncol Biol Phys 86:762-8. 2013
    ..To assess the prostate intrafraction motion in volumetric modulated arc therapy treatments using cine megavoltage (MV) images acquired with an electronic portal imaging device (EPID)...
  8. ncbi request reprint Patient-specific motion artifacts in 4DCT
    W Tyler Watkins
    Department of Radiation Oncology, University of California San Diego, La Jolla, California 92093, USA
    Med Phys 37:2855-61. 2010
    ..In this study, the source and magnitude of projection artifacts due to intraphase target motion is investigated...
  9. doi request reprint A feasibility study of markerless fluoroscopic gating for lung cancer radiotherapy using 4DCT templates
    Ruijiang Li
    Department of Radiation Oncology, University of California San Diego, 3855 Health Sciences Dr, La Jolla, CA 92037 0843, USA
    Phys Med Biol 54:N489-500. 2009
    ..However, this observation is based on results obtained from a very limited dataset, and further investigation on a larger patient population has to be done before its clinical implementation...
  10. doi request reprint GPU-based fast low-dose cone beam CT reconstruction via total variation
    Xun Jia
    Center for Advanced Radiotherapy Technologies, Department of Radiation Oncology, University of California San Diego, La Jolla, CA, USA
    J Xray Sci Technol 19:139-54. 2011
    ..The reconstruction time is about 130 sec on an NVIDIA Tesla C1060 GPU card, which is estimated ∼ 100 times faster than similar regularized iterative reconstruction approaches...
  11. pmc Development and clinical evaluation of automatic fiducial detection for tumor tracking in cine megavoltage images during volumetric modulated arc therapy
    Juan Diego Azcona
    Department of Radiation Oncology, Stanford University, Stanford, California 94305, USA
    Med Phys 40:031708. 2013
    ..The purpose of this work is to develop a clinically practical autodetection algorithm for motion management during VMAT...
  12. doi request reprint Intrafraction verification of gated RapidArc by using beam-level kilovoltage X-ray images
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California
    Int J Radiat Oncol Biol Phys 83:e709-15. 2012
    ..To verify the geometric accuracy of gated RapidArc treatment using kV images acquired during dose delivery...
  13. doi request reprint Dose optimization with first-order total-variation minimization for dense angularly sampled and sparse intensity modulated radiation therapy (DASSIM-RT)
    Hojin Kim
    Department of Electrical Engineering, Stanford University, Stanford, CA, USA
    Med Phys 39:4316-27. 2012
    ..The purpose of this work is to provide a practical solution to the DASSIM-RT inverse planning problem...
  14. pmc Improving IMRT delivery efficiency with reweighted L1-minimization for inverse planning
    Hojin Kim
    Department of Radiation Oncology, Stanford University, Stanford, California 94305 5847, USA
    Med Phys 40:071719. 2013
    ....
  15. doi request reprint Efficient IMRT inverse planning with a new L1-solver: template for first-order conic solver
    Hojin Kim
    Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA
    Phys Med Biol 57:4139-53. 2012
    ..The unique features of the approach should be particularly important in inverse planning involving a large number of beams, such as in VMAT and dense angularly sampled and sparse intensity modulated radiation therapy (DASSIM-RT)...
  16. ncbi request reprint Single-projection based volumetric image reconstruction and 3D tumor localization in real time for lung cancer radiotherapy
    Ruijiang Li
    Department of Radiation Oncology, University of California San Diego 3855 Health Sciences Dr 0843, La Jolla, CA 92037, USA
    Med Image Comput Comput Assist Interv 13:449-56. 2010
    ..2 and 0.3 seconds for phantom and patient, respectively, on an NVIDIA C1060 GPU. Clinical application can potentially lead to accurate 3D tumor tracking from a single imager...
  17. doi request reprint Markerless gating for lung cancer radiotherapy based on machine learning techniques
    Tong Lin
    Department of Radiation Oncology, University of California San Diego, La Jolla, CA 92093, USA
    Phys Med Biol 54:1555-63. 2009
    ..Overall, ANN combined with PCA is a better candidate than other combinations we investigated in this work for real-time gated radiotherapy...
  18. doi request reprint Improved compressed sensing-based cone-beam CT reconstruction using adaptive prior image constraints
    Ho Lee
    Department of Radiation Oncology, Stanford University, Stanford, CA 94305 5847, USA
    Phys Med Biol 57:2287-307. 2012
    ..Compared to the current CBCT imaging protocols, the APICCS algorithm allows an imaging dose reduction of 10-40 times due to the greatly reduced number of projections and lower x-ray tube current level coming from the low-dose protocol...
  19. doi request reprint Assessing the dosimetric impact of real-time prostate motion during volumetric modulated arc therapy
    Juan Diego Azcona
    Department of Radiation Oncology, Stanford University, Stanford, California Division of Radiation Physics, Department of Oncology, Clinica Universidad de Navarra, Pamplona, Spain Electronic address
    Int J Radiat Oncol Biol Phys 88:1167-74. 2014
    ....
  20. pmc An adaptive planning strategy for station parameter optimized radiation therapy (SPORT): Segmentally boosted VMAT
    Ruijiang Li
    Department of Radiation Oncology, Stanford University, Stanford, California 94305 5847, USA
    Med Phys 40:050701. 2013
    ..The purpose of this work is to develop a segmentally boosted VMAT scheme to eliminate the need for multiple arcs in VMAT treatment with improved dose distribution and∕or delivery efficiency...
  21. doi request reprint Cone beam CT imaging with limited angle of projections and prior knowledge for volumetric verification of non-coplanar beam radiation therapy: a proof of concept study
    Bowen Meng
    Electrical Engineering Department, Stanford University, Stanford, CA 94305, USA Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA
    Phys Med Biol 58:7777-89. 2013
    ..In this proof of concept study, non-coplanar beams with couch rotations of 45° can be effectively verified with the CBCT technique. ..
  22. pmc First study of on-treatment volumetric imaging during respiratory gated VMAT
    Kihwan Choi
    Department of Electrical Engineering, Stanford University, Stanford, California 94305 and Department of Radiation Oncology, Stanford University, Stanford, California 94305
    Med Phys 40:040701. 2013
    ..This anatomical information may be valuable for geometric verification and treatment guidance, and useful for verification of treatment dose delivery, accumulation, and adaptation in the future...
  23. doi request reprint 4D CT sorting based on patient internal anatomy
    Ruijiang Li
    Department of Radiation Oncology, University of California San Diego, 3855 Health Sciences Drive, La Jolla, CA 92037 0843, USA
    Phys Med Biol 54:4821-33. 2009
    ..It is an automatic, accurate, robust, cost efficient and yet simple method and therefore can be readily implemented in clinical settings...
  24. pmc Bridging the gap between IMRT and VMAT: dense angularly sampled and sparse intensity modulated radiation therapy
    Ruijiang Li
    Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305 5847, USA
    Med Phys 38:4912-9. 2011
    ..To propose an alternative radiation therapy (RT) planning and delivery scheme with optimal angular beam sampling and intrabeam modulation for improved dose distribution while maintaining high delivery efficiency...