Robert Saunders

Summary

Affiliation: Duke University Medical Center
Country: USA

Publications

  1. ncbi request reprint Simulation of mammographic lesions
    Robert Saunders
    Department of Radiology, Duke Advanced Imaging Laboratories, Duke University, 2424 Erwin Rd, Suite 302, Durham, NC 27705, USA
    Acad Radiol 13:860-70. 2006
  2. ncbi request reprint Digital mammography: effects of reduced radiation dose on diagnostic performance
    Ehsan Samei
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, 2424 Erwin Rd, Suite 302, Durham, NC 27705, USA
    Radiology 243:396-404. 2007
  3. ncbi request reprint Does image quality matter? Impact of resolution and noise on mammographic task performance
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27705, USA
    Med Phys 34:3971-81. 2007
  4. ncbi request reprint A method for modifying the image quality parameters of digital radiographic images
    Robert S Saunders
    Department of Radiology and Physics, Duke University, Durham, North Carolina 27710, USA
    Med Phys 30:3006-17. 2003
  5. ncbi request reprint Comparison of LCD and CRT displays based on efficacy for digital mammography
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Departments of Radiology and Physics, 2424 Erwin Road, Suite 302, Duke University, Durham, NC 27705, USA
    Acad Radiol 13:1317-26. 2006
  6. ncbi request reprint Resolution and noise measurements of five CRT and LCD medical displays
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27710, USA
    Med Phys 33:308-19. 2006
  7. ncbi request reprint Impact of resolution and noise characteristics of digital radiographic detectors on the detectability of lung nodules
    Robert S Saunders
    Department of Physics, Duke University, Durham, North Carolina 27710, USA
    Med Phys 31:1603-13. 2004
  8. ncbi request reprint Physical characterization of a prototype selenium-based full field digital mammography detector
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Departments of Physics and Radiology, Duke University, Durham, North Carolina 27710, USA
    Med Phys 32:588-99. 2005
  9. doi request reprint Can compression be reduced for breast tomosynthesis? Monte carlo study on mass and microcalcification conspicuity in tomosynthesis
    Robert S Saunders
    Department of Radiology, Duke Advanced Imaging Laboratories, Duke University Medical Center, 2424 Erwin Rd, Suite 302, Durham, NC 27710, USA
    Radiology 251:673-82. 2009
  10. ncbi request reprint Effect of dose reduction on the detection of mammographic lesions: a mathematical observer model analysis
    Amarpreet S Chawla
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27705, USA
    Med Phys 34:3385-98. 2007

Detail Information

Publications15

  1. ncbi request reprint Simulation of mammographic lesions
    Robert Saunders
    Department of Radiology, Duke Advanced Imaging Laboratories, Duke University, 2424 Erwin Rd, Suite 302, Durham, NC 27705, USA
    Acad Radiol 13:860-70. 2006
    ..This simulation method allows for the creation of large image datasets with particular lesions, which may serve as a useful tool for perception studies measuring imaging system performance...
  2. ncbi request reprint Digital mammography: effects of reduced radiation dose on diagnostic performance
    Ehsan Samei
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, 2424 Erwin Rd, Suite 302, Durham, NC 27705, USA
    Radiology 243:396-404. 2007
    ..To experimentally determine the relationship between radiation dose and observer accuracy in the detection and discrimination of simulated lesions for digital mammography...
  3. ncbi request reprint Does image quality matter? Impact of resolution and noise on mammographic task performance
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27705, USA
    Med Phys 34:3971-81. 2007
    ..The primary conclusions of this study suggest that quantum noise appears to be the dominant image quality factor in digital mammography, affecting radiologist performance much more profoundly than display resolution...
  4. ncbi request reprint A method for modifying the image quality parameters of digital radiographic images
    Robert S Saunders
    Department of Radiology and Physics, Duke University, Durham, North Carolina 27710, USA
    Med Phys 30:3006-17. 2003
    ..The findings indicate that the developed modification routines provide a good means of simulating the resolution and noise characteristics of digital radiographic systems for optimization or processing purposes...
  5. ncbi request reprint Comparison of LCD and CRT displays based on efficacy for digital mammography
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Departments of Radiology and Physics, 2424 Erwin Road, Suite 302, Duke University, Durham, NC 27705, USA
    Acad Radiol 13:1317-26. 2006
    ..To compare two display technologies, cathode ray tube (CRT) and liquid crystal display (LCD), in terms of diagnostic accuracy for several common clinical tasks in digital mammography...
  6. ncbi request reprint Resolution and noise measurements of five CRT and LCD medical displays
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27710, USA
    Med Phys 33:308-19. 2006
    ..01% (accounting for blurring only) and 0.40 +/- 0.01% (accounting for blurring and prewhitening) for CRTs, and 1.02% +/- 0.22% (accounting for blurring only) and 0.36% +/- 0.08% (accounting for blurring and prewhitening) for LCDs...
  7. ncbi request reprint Impact of resolution and noise characteristics of digital radiographic detectors on the detectability of lung nodules
    Robert S Saunders
    Department of Physics, Duke University, Durham, North Carolina 27710, USA
    Med Phys 31:1603-13. 2004
    ....
  8. ncbi request reprint Physical characterization of a prototype selenium-based full field digital mammography detector
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Departments of Physics and Radiology, Duke University, Durham, North Carolina 27710, USA
    Med Phys 32:588-99. 2005
    ..Nevertheless, the DQE showed strong exposure and frequency dependencies. The results indicated that the detector offered high MTFs and DQEs, but structured noise effects may require improved calibration before clinical implementation...
  9. doi request reprint Can compression be reduced for breast tomosynthesis? Monte carlo study on mass and microcalcification conspicuity in tomosynthesis
    Robert S Saunders
    Department of Radiology, Duke Advanced Imaging Laboratories, Duke University Medical Center, 2424 Erwin Rd, Suite 302, Durham, NC 27710, USA
    Radiology 251:673-82. 2009
    ..To assess, in a voxelized anthropomorphic breast phantom, how the conspicuity of breast masses and microcalcifications may be affected by applying reduced breast compression in tomosynthesis...
  10. ncbi request reprint Effect of dose reduction on the detection of mammographic lesions: a mathematical observer model analysis
    Amarpreet S Chawla
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27705, USA
    Med Phys 34:3385-98. 2007
    ..Dose reduction did not have a statistically significant effect on detection of microcalcifications. The model results indicate that there is room for optimization of dose level in mammographic screening procedures...
  11. pmc Towards optimized acquisition scheme for multiprojection correlation imaging of breast cancer
    Amarpreet S Chawla
    Department of Radiology, Duke Advanced Imaging Laboratories, Duke University, Durham, NC 27705, USA
    Acad Radiol 16:456-63. 2009
    ..The authors describe a computer-aided detection (CADe) methodology to optimize the acquisition scheme of CI for superior diagnostic accuracy...
  12. pmc A mathematical model platform for optimizing a multiprojection breast imaging system
    Amarpreet S Chawla
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University, Durham, North Carolina 27705, USA
    Med Phys 35:1337-45. 2008
    ..The optimization scheme presented here may be applied to any multiprojection imaging modalities and may be extended by including reconstruction in the case of digital breast tomosynthesis and breast computed tomography...
  13. ncbi request reprint Fundamental imaging characteristics of a slot-scan digital chest radiographic system
    Ehsan Samei
    Digital Imaging Research Division, Department of Radiology, Duke University, DUMC 3302, Durham, North Carolina 27710, USA
    Med Phys 31:2687-98. 2004
    ..43 in the mediastinum. The findings indicated that the slot-scan design provides marked scatter reduction leading to high effective DQE (DQEeff) of the system and reduced patient dose required to achieve high image quality...
  14. pmc Micro-CT imaging of breast tumors in rodents using a liposomal, nanoparticle contrast agent
    Ehsan Samei
    Duke University, Durham, NC, USA
    Int J Nanomedicine 4:277-82. 2009
    ..The image data showed good qualitative correlation with pathologic findings. The approach holds promise for studying tumor angiogenesis and for evaluating anti-angiogenesis therapies...
  15. ncbi request reprint The effect of breast compression on mass conspicuity in digital mammography
    Robert S Saunders
    Duke Advanced Imaging Laboratories, Department of Radiology, Duke University Medical Center, Durham, North Carolina 27705, USA
    Med Phys 35:4464-73. 2008
    ....