Lingyun Chen

Summary

Affiliation: Texas Medical Center
Country: USA

Publications

  1. pmc Spatial resolution properties in cone beam CT: a simulation study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030, USA
    Med Phys 35:724-34. 2008
  2. pmc Dual resolution cone beam breast CT: a feasibility study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 36:4007-14. 2009
  3. pmc Feasibility of volume-of-interest (VOI) scanning technique in cone beam breast CT--a preliminary study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:3482-90. 2008
  4. pmc Reduction in x-ray scatter and radiation dose for volume-of-interest (VOI) cone-beam breast CT--a phantom study
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Phys Med Biol 54:6691-709. 2009
  5. pmc Scan equalization digital radiography (SEDR) implemented with an amorphous selenium flat-panel detector: initial experience
    Xinming Liu
    Department of Imaging Physics, Digital Imaging Research Laboratory, The University of Texas M D Anderson Cancer Center, Houston, TX 77030 4009, USA
    Phys Med Biol 54:6959-78. 2009
  6. pmc Visibility of microcalcification in cone beam breast CT: effects of X-ray tube voltage and radiation dose
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 34:2995-3004. 2007
  7. pmc Dedicated cone-beam breast CT: feasibility study with surgical mastectomy specimens
    Wei Tse Yang
    Department of Diagnostic Radiology, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Blvd, Unit 1350, Houston, TX 77030, USA
    AJR Am J Roentgenol 189:1312-5. 2007
  8. pmc Scatter rejection and low-contrast performance of a slot-scan digital chest radiography system with electronic aft-collimation: a chest phantom study
    Xinming Liu
    Digital Imaging Research Laboratory, Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:2391-402. 2008
  9. pmc Comparison of slot scanning digital mammography system with full-field digital mammography system
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:2339-46. 2008
  10. pmc Noise simulation in cone beam CT imaging with parallel computing
    Shu Ju Tu
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, TX 77030 4009, USA
    Phys Med Biol 51:1283-97. 2006

Collaborators

Detail Information

Publications11

  1. pmc Spatial resolution properties in cone beam CT: a simulation study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030, USA
    Med Phys 35:724-34. 2008
    ..The 3D PSFs may be approximated by an ellipsoid with three different axial lengths. They were found to point upright along the rotating axis but tilt toward the rotating axis as the point object was moved away from the axis...
  2. pmc Dual resolution cone beam breast CT: a feasibility study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 36:4007-14. 2009
    ..In this study, the authors investigated the feasibility of a dual resolution volume-of-interest (VOI) cone beam breast CT technique and compared two implementation approaches in terms of dose saving and scatter reduction...
  3. pmc Feasibility of volume-of-interest (VOI) scanning technique in cone beam breast CT--a preliminary study
    Lingyun Chen
    Department of Imaging Physics, University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:3482-90. 2008
    ....
  4. pmc Reduction in x-ray scatter and radiation dose for volume-of-interest (VOI) cone-beam breast CT--a phantom study
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Phys Med Biol 54:6691-709. 2009
    ..27 and 1.6, respectively. As a result, the CNRs were improved by a factor of 1.06 and 1.13 for the small and the large phantoms and the FOM improved by a factor of 1.4 and 1.7, respectively...
  5. pmc Scan equalization digital radiography (SEDR) implemented with an amorphous selenium flat-panel detector: initial experience
    Xinming Liu
    Department of Imaging Physics, Digital Imaging Research Laboratory, The University of Texas M D Anderson Cancer Center, Houston, TX 77030 4009, USA
    Phys Med Biol 54:6959-78. 2009
    ..The SEDR technique demonstrated a substantial improvement in PSNRs over the anti-scatter grid technique. The improvements of PSNRs varied with the regions and are more pronounced in heavily attenuating regions...
  6. pmc Visibility of microcalcification in cone beam breast CT: effects of X-ray tube voltage and radiation dose
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 34:2995-3004. 2007
    ..5 cm phantom were 367 (+/-1), 316 (+/-7), 265 (+/-3) microm at 3, 6, and 12 mGy, respectively. Those for the 14.5 cm phantom were 377 (+/-3), 334 (+/-5), 300 (+/-2) microm at 6, 12, and 24 mGy, respectively...
  7. pmc Dedicated cone-beam breast CT: feasibility study with surgical mastectomy specimens
    Wei Tse Yang
    Department of Diagnostic Radiology, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Blvd, Unit 1350, Houston, TX 77030, USA
    AJR Am J Roentgenol 189:1312-5. 2007
    ..The purpose of this study was to investigate the feasibility of diagnostic breast imaging using a flat-panel detector-based cone-beam CT system...
  8. pmc Scatter rejection and low-contrast performance of a slot-scan digital chest radiography system with electronic aft-collimation: a chest phantom study
    Xinming Liu
    Digital Imaging Research Laboratory, Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:2391-402. 2008
    ..These results demonstrated that the slot-scan/ALER technique can be used to achieve equally effective scatter rejection but substantially higher low-contrast performance than the anti-scatter grid method...
  9. pmc Comparison of slot scanning digital mammography system with full-field digital mammography system
    Chao Jen Lai
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030 4009, USA
    Med Phys 35:2339-46. 2008
    ..With the anthropomorphic breast phantom (tissue structure background), the SSDM system performed better than the FFDM system at 0.87 mGy but worse at 1.74 mGy. However, the differences were not found to be statistically significant...
  10. pmc Noise simulation in cone beam CT imaging with parallel computing
    Shu Ju Tu
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, Houston, TX 77030 4009, USA
    Phys Med Biol 51:1283-97. 2006
    ..As an example among the potential applications of our noise simulation model, we showed that images of low contrast objects can be produced and used for image quality evaluation...
  11. ncbi request reprint Cone Beam Breast CT with a Flat Panel Detector- Simulation, Implementation and Demonstration
    Chris Shaw
    Member, IEEE, phone 713 745 2819 fax 713 745 0581 e mail
    Conf Proc IEEE Eng Med Biol Soc 4:4461-4. 2005
    ..Reconstruction was performed using the Feldkamp filtered backprojection algorithm. All simulations were performed on a 24 PC (2.4 GHz Dual-Xeon CPU) cluster with MPI parallel programming...