Joyoni Dey

Summary

Affiliation: University of Massachusetts Medical School
Country: USA

Publications

  1. ncbi request reprint Targeted 2D/3D registration using ray normalization and a hybrid optimizer
    Joyoni Dey
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 33:4730-8. 2006
  2. pmc Estimation and correction of cardiac respiratory motion in SPECT in the presence of limited-angle effects due to irregular respiration
    Joyoni Dey
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 37:6453-65. 2010
  3. pmc A flexible multicamera visual-tracking system for detecting and correcting motion-induced artifacts in cardiac SPECT slices
    Joseph E McNamara
    Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester Massachusetts 01655, USA
    Med Phys 36:1913-23. 2009
  4. pmc Digital anthropomorphic phantoms of non-rigid human respiratory and voluntary body motion for investigating motion correction in emission imaging
    Arda Könik
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA, USA
    Phys Med Biol 59:3669-82. 2014
  5. pmc Use of MRI to assess the prediction of heart motion with gross body motion in myocardial perfusion imaging by stereotracking of markers on the body surface
    Michael A King
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655
    Med Phys 40:112504. 2013
  6. ncbi request reprint Surface normal overlap: a computer-aided detection algorithm with application to colonic polyps and lung nodules in helical CT
    David S Paik
    Department of Radiology, Stanford University, Stanford, CA 94305 5450, USA
    IEEE Trans Med Imaging 23:661-75. 2004

Collaborators

Detail Information

Publications6

  1. ncbi request reprint Targeted 2D/3D registration using ray normalization and a hybrid optimizer
    Joyoni Dey
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 33:4730-8. 2006
    ..Another set of 50 random initial conditions from [+/-20] mm in x,y,z and [+/-10] deg in the three angles, yielded robustness of 84% (hybrid) versus 38% (Powell) using PI as metric, with accuracies 2.1 mm (hybrid) versus 2.0 mm (Powell)...
  2. pmc Estimation and correction of cardiac respiratory motion in SPECT in the presence of limited-angle effects due to irregular respiration
    Joyoni Dey
    Department of Radiology, Division of Nuclear Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Med Phys 37:6453-65. 2010
    ..In this work, the authors investigate a method to overcome the effect of limited-angle reconstruction artifacts in SPECT when estimating respiratory motion...
  3. pmc A flexible multicamera visual-tracking system for detecting and correcting motion-induced artifacts in cardiac SPECT slices
    Joseph E McNamara
    Department of Radiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester Massachusetts 01655, USA
    Med Phys 36:1913-23. 2009
    ..Taken together, these findings suggest that VTS-based motion correction is superior to either no-motion correction or the vendor-supplied software the authors investigated in clinical practice...
  4. pmc Digital anthropomorphic phantoms of non-rigid human respiratory and voluntary body motion for investigating motion correction in emission imaging
    Arda Könik
    Department of Radiology, University of Massachusetts Medical School, Worcester, MA, USA
    Phys Med Biol 59:3669-82. 2014
    ..The non-uniform rational B-spline data and the parameter files for these phantoms are freely available for downloading and can be used with the XCAT license. ..
  5. pmc Use of MRI to assess the prediction of heart motion with gross body motion in myocardial perfusion imaging by stereotracking of markers on the body surface
    Michael A King
    Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655
    Med Phys 40:112504. 2013
    ..Our target clinical application is to use a visual-tracking-system (VTS) which employs stereoimaging to estimate heart motion during SPECT/CT and PET∕CT myocardial perfusion imaging...
  6. ncbi request reprint Surface normal overlap: a computer-aided detection algorithm with application to colonic polyps and lung nodules in helical CT
    David S Paik
    Department of Radiology, Stanford University, Stanford, CA 94305 5450, USA
    IEEE Trans Med Imaging 23:661-75. 2004
    ..It is able to achieve 100% sensitivity for colonic polyps 10 mm and larger at 7.0 false positives (FPs)/dataset and 90% sensitivity for solid lung nodules 6 mm and larger at 5.6 FP/dataset...