Eric C. Frey - Publications

Affiliations: 
Electrical and Computer Engineering Johns Hopkins University, Baltimore, MD 
Area:
Radiology, Biomedical Engineering, Oncology, Alternative Medicine

220 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Li Y, Chen J, Brown JL, Treves ST, Cao X, Fahey FH, Sgouros G, Bolch WE, Frey EC. DeepAMO: a multi-slice, multi-view anthropomorphic model observer for visual detection tasks performed on volume images. Journal of Medical Imaging (Bellingham, Wash.). 8: 041204. PMID 33521164 DOI: 10.1117/1.JMI.8.4.041204  0.6
2020 Divgi C, Carrasquillo JA, Meredith R, Seo Y, Frey EC, Bolch WE, Zimmerman BE, Akabani G, Jacobson DA, Brown B, Davern SM, Hobbs RF, Humm J, Moros EG, Morse D, et al. Overcoming Barriers to Radiopharmaceutical Therapy: An Overview from the NRG-NCI Working Group on Dosimetry of Radiopharmaceutical Therapy (RPT). International Journal of Radiation Oncology, Biology, Physics. PMID 33309909 DOI: 10.1016/j.ijrobp.2020.12.002  0.6
2020 Roncali E, Capala J, Benedict SH, Akabani G, Bednarz B, Bhadrasain V, Bolch WE, Buchsbaum J, Clarke BN, Coleman N, Dewaraja YK, Frey EC, Ghaly M, Grudzinski J, Hobbs RF, et al. Overview of the First NRG-NCI Workshop on Dosimetry of Systemic Radiopharmaceutical Therapy (RPT). Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. PMID 33277396 DOI: 10.2967/jnumed.120.255547  0.64
2020 Brown JL, Sexton-Stallone B, Li Y, Frey EC, Treves ST, Fahey FH, Plyku D, Cao X, Choi C, Kim CH, Sgouros G, Aris JP, Bolch WE. Dosimetric considerations of Tc-MDP uptake within the epiphyseal plates of the long bones of pediatric patients. Physics in Medicine and Biology. 65: 235025. PMID 33263312 DOI: 10.1088/1361-6560/abb1db  0.6
2020 Brown JL, Sexton-Stallone B, Li Y, Frey EC, Treves ST, Fahey FH, Plyku D, Cao X, Sgouros G, Bolch WE. Body morphometry appropriate computational phantoms for dose and risk optimization in pediatric renal imaging with Tc-99m DMSA and Tc-99m MAG3. Physics in Medicine and Biology. 65: 235026. PMID 33245053 DOI: 10.1088/1361-6560/abb1da  0.6
2020 Chen J, Li Y, Du Y, Frey EC. Generating Anthropomorphic Phantoms Using Fully Unsupervised Deformable Image Registration with Convolutional Neural Networks. Medical Physics. PMID 33078422 DOI: 10.1002/mp.14545  0.72
2020 Rahman A, Zhu Y, Clarkson E, Kupinski MA, Frey EC, Jha AK. Fisher information analysis of list-mode SPECT emission data for joint estimation of activity and attenuation distribution. Inverse Problems. 36. PMID 33071423 DOI: 10.1088/1361-6420/ab958b  0.36
2020 Taguchi K, Sauer TJ, Segars WP, Frey EC, Xu J, Liapi E, Stayman JW, Hong K, Hui FK, Unberath M, Du Y. Three-dimensional regions-of-interest-based intra-operative 4-dimensional soft tissue perfusion imaging using a standard x-ray system with no gantry rotation: A simulation study for a proof of concept. Medical Physics. PMID 33006759 DOI: 10.1002/mp.14514  0.96
2019 Li Y, O'Reilly S, Plyku D, Ted Treves S, Fahey F, Du Y, Cao X, Sexton-Stallone B, Brown J, Sgouros G, Bolch WE, Frey EC. Current Pediatric Administered Activity Guidelines for Tc-DMSA SPECT Based on Patient Weight Do Not Provide the Same Task-based Image Quality. Medical Physics. PMID 31448427 DOI: 10.1002/mp.13787  0.72
2018 Li Y, O'Reilly SE, Plyku D, Treves ST, Du Y, Fahey FH, Cao X, Jha AK, Sgouros G, Bolch WE, Frey EC. A projection image database to investigate factors affecting image quality in weight-based dosing: application to pediatric renal SPECT. Physics in Medicine and Biology. PMID 29893291 DOI: 10.1088/1361-6560/aacbf0  0.72
2017 Jones KM, Solnes LB, Rowe SP, Gorin MA, Sheikhbahaei S, Fung G, Frey EC, Allaf ME, Du Y, Javadi MS. Use of quantitative SPECT/CT reconstruction in 99mTc-sestamibi imaging of patients with renal masses. Annals of Nuclear Medicine. PMID 29214562 DOI: 10.1007/s12149-017-1222-z  0.72
2017 Elshahaby FEA, Jha AK, Ghaly M, Frey EC. A comparison of resampling schemes for estimating model observer performance with small ensembles. Physics in Medicine and Biology. 62: 7300-7320. PMID 28829044 DOI: 10.1088/1361-6560/aa807a  0.64
2017 Jha AK, Frey E. No-gold-standard evaluation of image-acquisition methods using patient data. Proceedings of Spie--the International Society For Optical Engineering. 10136. PMID 28596636 DOI: 10.1117/12.2255902  0.36
2017 Jha AK, Mena E, Caffo B, Ashrafinia S, Rahmim A, Frey E, Subramaniam RM. Practical no-gold-standard evaluation framework for quantitative imaging methods: application to lesion segmentation in positron emission tomography. Journal of Medical Imaging (Bellingham, Wash.). 4: 011011. PMID 28331883 DOI: 10.1117/1.JMI.4.1.011011  0.36
2017 Fahey FH, Goodkind AB, Plyku D, Khamwan K, O'Reilly SE, Cao X, Frey EC, Li Y, Bolch WE, Sgouros G, Treves ST. Dose Estimation in Pediatric Nuclear Medicine. Seminars in Nuclear Medicine. 47: 118-125. PMID 28237000 DOI: 10.1053/j.semnuclmed.2016.10.006  0.6
2017 Vicente EM, Lodge MA, Rowe SP, Wahl RL, Frey EC. Simplifying Volumes-of-Interest (VOIs) definition in quantitative SPECT: beyond manual definition of 3D whole-organ VOIs. Medical Physics. PMID 28207950 DOI: 10.1002/mp.12164  0.4
2016 Li X, Jha A, Ghaly M, Elshahaby F, Links J, Frey E. Use of Sub-ensembles and Multi-template Observers to Evaluate Detection Task Performance for Data That are Not Multivariate Normal. Ieee Transactions On Medical Imaging. PMID 28026757 DOI: 10.1109/TMI.2016.2643684  0.64
2016 Yue J, Mauxion T, Reyes DK, Lodge MA, Hobbs RF, Rong X, Dong Y, Herman JM, Wahl RL, Geschwind JH, Frey EC. Comparison of quantitative Y-90 SPECT and non-time-of-flight PET imaging in post-therapy radioembolization of liver cancer. Medical Physics. 43: 5779. PMID 27782730 DOI: 10.1118/1.4962472  1
2016 Zimmerman BE, Grošev D, Buvat I, Coca Pérez MA, Frey EC, Green A, Krisanachinda A, Lassmann M, Ljungberg M, Pozzo L, Quadir KA, Terán Gretter MA, Van Staden J, Poli GL. Multi-centre evaluation of accuracy and reproducibility of planar and SPECT image quantification: An IAEA phantom study. Zeitschrift Fur Medizinische Physik. PMID 27105765 DOI: 10.1016/j.zemedi.2016.03.008  0.32
2016 Jha AK, Caffo B, Frey EC. A no-gold-standard technique for objective assessment of quantitative nuclear-medicine imaging methods. Physics in Medicine and Biology. 61: 2780-2800. PMID 26982626 DOI: 10.1088/0031-9155/61/7/2780  0.36
2016 O'Reilly SE, Plyku D, Sgouros G, Fahey FH, Ted Treves S, Frey EC, Bolch WE. A risk index for pediatric patients undergoing diagnostic imaging with (99m)Tc-dimercaptosuccinic acid that accounts for body habitus. Physics in Medicine and Biology. 61: 2319-32. PMID 26930549 DOI: 10.1088/0031-9155/61/6/2319  1
2016 Ghaly M, Du Y, Links JM, Frey EC. Collimator optimization in myocardial perfusion SPECT using the ideal observer and realistic background variability for lesion detection and joint detection and localization tasks. Physics in Medicine and Biology. 61: 2048-66. PMID 26895287 DOI: 10.1088/0031-9155/61/5/2048  0.72
2016 Ghaly M, Links JM, Frey EC. Collimator optimization and collimator-detector response compensation in myocardial perfusion SPECT using the ideal observer with and without model mismatch and an anthropomorphic model observer. Physics in Medicine and Biology. 61: 2109-23. PMID 26894376 DOI: 10.1088/0031-9155/61/5/2109  1
2016 Elshahaby FE, Ghaly M, Jha AK, Frey EC. Factors affecting the normality of channel outputs of channelized model observers: an investigation using realistic myocardial perfusion SPECT images. Journal of Medical Imaging (Bellingham, Wash.). 3: 015503. PMID 26839913 DOI: 10.1117/1.JMI.3.1.015503  0.64
2016 Yue J, Mauxion T, Reyes DK, Lodge MA, Hobbs RF, Rong X, Dong Y, Herman JM, Wahl RL, Geschwind JFH, Frey EC. Comparison of quantitative Y-90 SPECT and non-time-of-flight PET imaging in post-therapy radioembolization of liver cancer Medical Physics. 43: 5779-5790. DOI: 10.1118/1.4962472  1
2016 Kupinski MK, Clarkson E, Ghaly M, Frey EC. Applying the J-optimal channelized quadratic observer to SPECT myocardial perfusion defect detection Progress in Biomedical Optics and Imaging - Proceedings of Spie. 9787. DOI: 10.1117/12.2217846  1
2015 Jha AK, Song N, Caffo B, Frey EC. Objective evaluation of reconstruction methods for quantitative SPECT imaging in the absence of ground truth. Proceedings of Spie--the International Society For Optical Engineering. 9416: 94161K. PMID 26430292 DOI: 10.1117/12.2081286  1
2015 Jha AK, Frey EC. Estimating ROI activity concentration with photon-processing and photon-counting SPECT imaging systems. Proceedings of Spie--the International Society For Optical Engineering. 9412: 94120R. PMID 26430291 DOI: 10.1117/12.2082278  1
2015 Jha AK, Barrett HH, Frey EC, Clarkson E, Caucci L, Kupinski MA. Singular value decomposition for photon-processing nuclear imaging systems and applications for reconstruction and computing null functions. Physics in Medicine and Biology. 60: 7359-85. PMID 26350439 DOI: 10.1088/0031-9155/60/18/7359  1
2015 Ghaly M, Links JM, Frey EC. Optimization and comparison of simultaneous and separate acquisition protocols for dual isotope myocardial perfusion SPECT. Physics in Medicine and Biology. 60: 5083-101. PMID 26083239 DOI: 10.1088/0031-9155/60/13/5083  0.64
2015 Ghaly M, Links JM, Frey E. Optimization of energy window and evaluation of scatter compensation methods in myocardial perfusion SPECT using the ideal observer with and without model mismatch and an anthropomorphic model observer. Journal of Medical Imaging (Bellingham, Wash.). 2. PMID 26029730 DOI: 10.1117/1.JMI.2.1.015502  0.64
2015 Rowe SP, Vicente E, Anizan N, Wang H, Leal JP, Lodge MA, Frey EC, Wahl RL. Repeatability of Radiotracer Uptake in Normal Abdominal Organs with ¹¹¹In-Pentetreotide Quantitative SPECT/CT. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 56: 985-8. PMID 25977467 DOI: 10.2967/jnumed.115.155358  1
2015 Hossain J, Du Y, Links J, Rahmim A, Karakatsanis N, Akhbardeh A, Lyons J, Frey EC. Estimation of dynamic time activity curves from dynamic cardiac SPECT imaging. Physics in Medicine and Biology. 60: 3193-208. PMID 25813219 DOI: 10.1088/0031-9155/60/8/3193  1
2015 Lee TS, Frey EC, Tsui BM. Development of 4D mathematical observer models for the task-based evaluation of gated myocardial perfusion SPECT. Physics in Medicine and Biology. 60: 2751-63. PMID 25768980 DOI: 10.1088/0031-9155/60/7/2751  1
2015 Anizan N, Wang H, Zhou XC, Wahl RL, Frey EC. Factors affecting the repeatability of gamma camera calibration for quantitative imaging applications using a sealed source. Physics in Medicine and Biology. 60: 1325-37. PMID 25592130 DOI: 10.1088/0031-9155/60/3/1325  1
2015 Ekjeen T, Tocharoenchai C, Pusuwan P, Fung GS, Ghaly M, Du Y, Frey EC. Optimization and evaluation of reconstruction-based compensation methods and reconstruction parameters for Tc-99m MIBI parathyroid SPECT. Physica Medica : Pm : An International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (Aifb). 31: 159-66. PMID 25555904 DOI: 10.1016/j.ejmp.2014.12.005  1
2015 Elshahaby FEA, Ghaly M, Jha AK, Frey EC. The effect of signal variability on the histograms of anthropomorphic channel outputs: Factors resulting in non-normally distributed data Progress in Biomedical Optics and Imaging - Proceedings of Spie. 9416. DOI: 10.1117/12.2081629  1
2015 Ghaly M, Links JM, Frey E. Optimization of energy window and evaluation of scatter compensation methods in MPS using the ideal observer with model mismatch Progress in Biomedical Optics and Imaging - Proceedings of Spie. 9416. DOI: 10.1117/12.2081043  1
2014 Anizan N, Wang H, Zhou XC, Hobbs RF, Wahl RL, Frey EC. Factors affecting the stability and repeatability of gamma camera calibration for quantitative imaging applications based on a retrospective review of clinical data. Ejnmmi Research. 4: 67. PMID 26116127 DOI: 10.1186/s13550-014-0067-x  1
2014 Cheng L, Hobbs RF, Sgouros G, Frey EC. Development and evaluation of convergent and accelerated penalized SPECT image reconstruction methods for improved dose-volume histogram estimation in radiopharmaceutical therapy. Medical Physics. 41: 112507. PMID 25370666 DOI: 10.1118/1.4897613  1
2014 Ghaly M, Du Y, Fung GS, Tsui BM, Links JM, Frey E. Design of a digital phantom population for myocardial perfusion SPECT imaging research. Physics in Medicine and Biology. 59: 2935-53. PMID 24841729 DOI: 10.1088/0031-9155/59/12/2935  1
2014 Du Y, Bhattacharya M, Frey EC. Simultaneous Tc-99m/I-123 dual-radionuclide myocardial perfusion/innervation imaging using Siemens IQ-SPECT with SMARTZOOM collimator. Physics in Medicine and Biology. 59: 2813-28. PMID 24819280 DOI: 10.1088/0031-9155/59/11/2813  1
2014 Du Y, Links JM, Becker L, DiPaula AF, Frank T, Schuleri KH, Lardo AC, Frey EC. Evaluation of simultaneous 201Tl/99mTc dual-isotope cardiac SPECT imaging with model-based crosstalk compensation using canine studies. Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology. 21: 329-40. PMID 24366822 DOI: 10.1007/s12350-013-9842-8  1
2013 Rong X, Ghaly M, Frey EC. Optimization of energy window for (90) Y bremsstrahlung SPECT imaging for detection tasks using the ideal observer with model-mismatch. Medical Physics. 40. PMID 28518770 DOI: 10.1118/1.4805095  1
2013 Dewaraja YK, Ljungberg M, Green AJ, Zanzonico PB, Frey EC, Bolch WE, Brill AB, Dunphy M, Fisher DR, Howell RW, Meredith RF, Sgouros G, Wessels BW. MIRD pamphlet No. 24: Guidelines for quantitative 131I SPECT in dosimetry applications. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 54: 2182-8. PMID 24130233 DOI: 10.2967/jnumed.113.122390  1
2013 Rong X, Frey EC. A collimator optimization method for quantitative imaging: application to Y-90 bremsstrahlung SPECT. Medical Physics. 40: 082504. PMID 23927349 DOI: 10.1118/1.4813297  1
2013 Hobbs RF, Wahl RL, Frey EC, Kasamon Y, Song H, Huang P, Jones RJ, Sgouros G. Radiobiologic optimization of combination radiopharmaceutical therapy applied to myeloablative treatment of non-Hodgkin lymphoma. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 54: 1535-42. PMID 23918734 DOI: 10.2967/jnumed.112.117952  1
2013 Rong X, Ghaly M, Frey EC. Optimization of energy window for 90Y bremsstrahlung SPECT imaging for detection tasks using the ideal observer with model-mismatch. Medical Physics. 40: 062502. PMID 23718607 DOI: 10.1118/1.4805095  1
2013 Cheng L, Hobbs RF, Segars PW, Sgouros G, Frey EC. Improved dose-volume histogram estimates for radiopharmaceutical therapy by optimizing quantitative SPECT reconstruction parameters. Physics in Medicine and Biology. 58: 3631-47. PMID 23648371 DOI: 10.1088/0031-9155/58/11/3631  1
2013 Du Y, Madar I, Stumpf MJ, Rong X, Fung GS, Frey EC. Compensation for spill-in and spill-out partial volume effects in cardiac PET imaging. Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology. 20: 84-98. PMID 23151753 DOI: 10.1007/s12350-012-9649-z  1
2013 Ghaly M, Links JM, Du Y, Frey EC. Model mismatch and the ideal observer in SPECT Proceedings of Spie - the International Society For Optical Engineering. 8673. DOI: 10.1117/12.2007529  1
2013 Lee TS, Bolch WE, Wayson MB, Treves ST, Sgouros G, Frey EC. Evaluation of image quality using Channelized Hotelling observer for pediatric diagnostic imaging of 99mTc-dimercaptosuccinic acid Ieee Nuclear Science Symposium Conference Record. DOI: 10.1109/NSSMIC.2013.6829167  1
2013 Lee TS, Feng T, Frey E, Tsui BMW. Task-based evaluation of motion compensated reconstructed images using 4D channelized Hotelling observer in dual gated SPECT Ieee Nuclear Science Symposium Conference Record. DOI: 10.1109/NSSMIC.2013.6829067  1
2012 Baechler S, Hobbs RF, Boubaker A, Buchegger F, He B, Frey EC, Sgouros G. Three-dimensional radiobiological dosimetry of kidneys for treatment planning in peptide receptor radionuclide therapy. Medical Physics. 39: 6118-28. PMID 23039651 DOI: 10.1118/1.4752213  1
2012 Dewaraja YK, Frey EC, Sgouros G, Brill AB, Roberson P, Zanzonico PB, Ljungberg M. MIRD pamphlet No. 23: quantitative SPECT for patient-specific 3-dimensional dosimetry in internal radionuclide therapy. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 53: 1310-25. PMID 22743252 DOI: 10.2967/jnumed.111.100123  1
2012 Rong X, Du Y, Frey EC. A method for energy window optimization for quantitative tasks that includes the effects of model-mismatch on bias: application to Y-90 bremsstrahlung SPECT imaging. Physics in Medicine and Biology. 57: 3711-25. PMID 22617760 DOI: 10.1088/0031-9155/57/12/3711  1
2012 Rong X, Du Y, Ljungberg M, Rault E, Vandenberghe S, Frey EC. Development and evaluation of an improved quantitative (90)Y bremsstrahlung SPECT method. Medical Physics. 39: 2346-58. PMID 22559605 DOI: 10.1118/1.3700174  1
2012 Frey EC, Humm JL, Ljungberg M. Accuracy and precision of radioactivity quantification in nuclear medicine images. Seminars in Nuclear Medicine. 42: 208-18. PMID 22475429 DOI: 10.1053/j.semnuclmed.2011.11.003  1
2012 Wayson M, Lee C, Sgouros G, Treves ST, Frey E, Bolch WE. Internal photon and electron dosimetry of the newborn patient--a hybrid computational phantom study. Physics in Medicine and Biology. 57: 1433-57. PMID 22354044 DOI: 10.1088/0031-9155/57/5/1433  1
2012 Senthamizhchelvan S, Hobbs RF, Song H, Frey EC, Zhang Z, Armour E, Wahl RL, Loeb DM, Sgouros G. Tumor dosimetry and response for 153Sm-ethylenediamine tetramethylene phosphonic acid therapy of high-risk osteosarcoma. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 53: 215-24. PMID 22251554 DOI: 10.2967/jnumed.111.096677  1
2012 Mok GSP, Ao ECI, Song N, Frey EC. The effect of non-rigid misregistration in sequential quantitative SPECT for targeted radionuclide therapy - A simulation study Ieee Nuclear Science Symposium Conference Record. 2938-2941. DOI: 10.1109/NSSMIC.2012.6551671  1
2012 Lee TS, Frey EC, Tsui BMW. 4D mathematical observer models for the task-based evaluation of gated myocardial perfusion SPECT images Ieee Nuclear Science Symposium Conference Record. 2257-2260. DOI: 10.1109/NSSMIC.2012.6551513  1
2011 Sgouros G, Frey EC, Bolch WE, Wayson MB, Abadia AF, Treves ST. An approach for balancing diagnostic image quality with cancer risk: application to pediatric diagnostic imaging of 99mTc-dimercaptosuccinic acid. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 52: 1923-9. PMID 22144506 DOI: 10.2967/jnumed.111.092221  1
2011 Song N, Du Y, He B, Frey EC. Development and evaluation of a model-based downscatter compensation method for quantitative I-131 SPECT. Medical Physics. 38: 3193-204. PMID 21815394 DOI: 10.1118/1.3590382  1
2011 Song N, He B, Wahl RL, Frey EC. EQPlanar: a maximum-likelihood method for accurate organ activity estimation from whole body planar projections. Physics in Medicine and Biology. 56: 5503-24. PMID 21813961 DOI: 10.1088/0031-9155/56/17/004  1
2011 Wang X, Meier D, Taguchi K, Wagenaar DJ, Patt BE, Frey EC. Material separation in x-ray CT with energy resolved photon-counting detectors. Medical Physics. 38: 1534-46. PMID 21520865 DOI: 10.1118/1.3553401  1
2011 Wang X, Meier D, Mikkelsen S, Maehlum GE, Wagenaar DJ, Tsui BM, Patt BE, Frey EC. MicroCT with energy-resolved photon-counting detectors. Physics in Medicine and Biology. 56: 2791-816. PMID 21464527 DOI: 10.1088/0031-9155/56/9/011  1
2011 Taguchi K, Zhang M, Frey EC, Wang X, Iwanczyk JS, Nygard E, Hartsough NE, Tsui BM, Barber WC. Modeling the performance of a photon counting x-ray detector for CT: energy response and pulse pileup effects. Medical Physics. 38: 1089-102. PMID 21452746 DOI: 10.1118/1.3539602  1
2011 He X, Cheng L, Fessler JA, Frey EC. Regularized image reconstruction algorithms for dual-isotope myocardial perfusion SPECT (MPS) imaging using a cross-tracer prior. Ieee Transactions On Medical Imaging. 30: 1169-83. PMID 20952334 DOI: 10.1109/TMI.2010.2087031  1
2011 Hobbs RF, McNutt T, Baechler S, He B, Esaias CE, Frey EC, Loeb DM, Wahl RL, Shokek O, Sgouros G. A treatment planning method for sequentially combining radiopharmaceutical therapy and external radiation therapy. International Journal of Radiation Oncology, Biology, Physics. 80: 1256-62. PMID 20950958 DOI: 10.1016/j.ijrobp.2010.08.022  1
2010 Taguchi K, Frey EC, Wang X, Iwanczyk JS, Barber WC. An analytical model of the effects of pulse pileup on the energy spectrum recorded by energy resolved photon counting x-ray detectors. Medical Physics. 37: 3957-69. PMID 20879558 DOI: 10.1117/12.843753  1
2010 Song N, He B, Frey EC. The effect of volume-of-interest misregistration on quantitative planar activity and dose estimation. Physics in Medicine and Biology. 55: 5483-97. PMID 20798459 DOI: 10.1088/0031-9155/55/18/014  1
2010 He X, Links JM, Frey EC. An investigation of the trade-off between the count level and image quality in myocardial perfusion SPECT using simulated images: the effects of statistical noise and object variability on defect detectability. Physics in Medicine and Biology. 55: 4949-61. PMID 20693615 DOI: 10.1088/0031-9155/55/17/005  1
2010 He B, Frey EC. The impact of 3D volume of interest definition on accuracy and precision of activity estimation in quantitative SPECT and planar processing methods. Physics in Medicine and Biology. 55: 3535-44. PMID 20508323 DOI: 10.1088/0031-9155/55/12/017  1
2010 He B, Frey EC. Effects of shortened acquisition time on accuracy and precision of quantitative estimates of organ activity. Medical Physics. 37: 1807-15. PMID 20443503 DOI: 10.1118/1.3358119  1
2010 Descourt P, Carlier T, Du Y, Song X, Buvat I, Frey EC, Bardies M, Tsui BMW, Visvikis D. Implementation of angular response function modeling in SPECT simulations with GATE Physics in Medicine and Biology. 55. PMID 20393239 DOI: 10.1088/0031-9155/55/9/N04  1
2010 Hobbs RF, Baechler S, Wahl RL, He B, Song H, Esaias CE, Frey EC, Jacene H, Sgouros G. Arterial wall dosimetry for non-Hodgkin lymphoma patients treated with radioimmunotherapy. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 51: 368-75. PMID 20150265 DOI: 10.2967/jnumed.109.069575  1
2010 Hobbs RF, Baechler S, Senthamizhchelvan S, Prideaux AR, Esaias CE, Reinhardt M, Frey EC, Loeb DM, Sgouros G. A gamma camera count rate saturation correction method for whole-body planar imaging. Physics in Medicine and Biology. 55: 817-31. PMID 20071766 DOI: 10.1088/0031-9155/55/3/018  1
2010 He X, Gallas BD, Frey EC. Three-class ROC analysis--toward a general decision theoretic solution. Ieee Transactions On Medical Imaging. 29: 206-15. PMID 19884079 DOI: 10.1109/TMI.2009.2034516  1
2010 Mok GS, Du Y, Wang Y, Frey EC, Tsui BM. Development and validation of a Monte Carlo simulation tool for multi-pinhole SPECT. Molecular Imaging and Biology : Mib : the Official Publication of the Academy of Molecular Imaging. 12: 295-304. PMID 19779896 DOI: 10.1007/s11307-009-0263-7  1
2010 He X, Frey EC. Binary ROC curve and three-class 2-D ROC surface Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7627. DOI: 10.1117/12.844593  1
2010 Wang X, Meier D, Oya P, Maehlum GE, Wagenaar DJ, Tsui BMW, Patt BE, Frey EC. Microcomputed tomography with a second generation photon-counting x-ray detector - Contrast analysis and material separation Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7622. DOI: 10.1117/12.844301  1
2009 Segars WP, Lalush DS, Frey EC, Manocha D, King MA, Tsui BM. Improved Dynamic Cardiac Phantom Based on 4D NURBS and Tagged MRI. Ieee Transactions On Nuclear Science. 56: 2728-2738. PMID 20711514 DOI: 10.1109/TNS.2009.2016196  1
2009 Du Y, Frey EC. Quantitative evaluation of simultaneous reconstruction with model-based crosstalk compensation for 99mTc/123I dual-isotope simultaneous acquisition brain SPECT. Medical Physics. 36: 2021-33. PMID 19610291 DOI: 10.1118/1.3120411  1
2009 He B, Wahl RL, Sgouros G, Du Y, Jacene H, Kasecamp WR, Flinn I, Hammes RJ, Bianco J, Kahl B, Frey EC. Comparison of organ residence time estimation methods for radioimmunotherapy dosimetry and treatment planning--patient studies. Medical Physics. 36: 1595-601. PMID 19544775 DOI: 10.1118/1.3100265  1
2009 He B, Du Y, Segars WP, Wahl RL, Sgouros G, Jacene H, Frey EC. Evaluation of quantitative imaging methods for organ activity and residence time estimation using a population of phantoms having realistic variations in anatomy and uptake. Medical Physics. 36: 612-9. PMID 19292001 DOI: 10.1118/1.3063156  1
2009 He X, Frey EC. The validity of three-class Hotelling trace (3-HT) in describing three-class task performance: comparison of three-class volume under ROC surface (VUS) and 3-HT. Ieee Transactions On Medical Imaging. 28: 185-93. PMID 19188107 DOI: 10.1109/TMI.2008.928919  1
2009 Barber WC, Nygard E, Iwanczyk JS, Zhang M, Frey EC, Tsui BMW, Wessel JC, Malakhov N, Wawrzyniak G, Hartsough NE, Gandhi T, Taguchi K. Characterization of a novel photon counting detector for clinical CT: Count rate, energy resolution, and noise performance Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7258. DOI: 10.1117/12.813915  1
2009 Wang X, Xu J, Taguchi K, Frey EC, Patt BE, Wagenaar DJ. Enhanced discrimination of calcified and soft arterial plaques using computed tomography with a multi-energy-Window photon counting X-ray detector Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7258. DOI: 10.1117/12.813877  1
2009 Wang X, Meier D, Sundal BM, Oya P, Maehlum GE, Wagenaar DJ, Patt BE, Tsui BMW, Frey EC. A digital line-camera for energy resolved x-ray photon counting Ieee Nuclear Science Symposium Conference Record. 3453-3457. DOI: 10.1109/NSSMIC.2009.5401785  1
2008 He X, Song X, Frey EC. Application of three-class ROC analysis to task-based image quality assessment of simultaneous dual-isotope myocardial perfusion SPECT (MPS). Ieee Transactions On Medical Imaging. 27: 1556-67. PMID 18955172 DOI: 10.1109/TMI.2008.928921  1
2008 He X, Caffo BS, Frey EC. Toward realistic and practical ideal observer (IO) estimation for the optimization of medical imaging systems. Ieee Transactions On Medical Imaging. 27: 1535-43. PMID 18815105 DOI: 10.1109/TMI.2008.924641  1
2008 Segars WP, Mahesh M, Beck TJ, Frey EC, Tsui BM. Realistic CT simulation using the 4D XCAT phantom. Medical Physics. 35: 3800-8. PMID 18777939 DOI: 10.1118/1.2955743  1
2008 Sgouros G, Frey E, Wahl R, He B, Prideaux A, Hobbs R. Three-dimensional imaging-based radiobiological dosimetry. Seminars in Nuclear Medicine. 38: 321-34. PMID 18662554 DOI: 10.1053/j.semnuclmed.2008.05.008  0.72
2008 He X, Frey EC. The meaning and use of the volume under a three-class ROC surface (VUS). Ieee Transactions On Medical Imaging. 27: 577-88. PMID 18450532 DOI: 10.1109/TMI.2007.908687  1
2008 He B, Wahl RL, Du Y, Sgouros G, Jacene H, Flinn I, Frey EC. Comparison of residence time estimation methods for radioimmunotherapy dosimetry and treatment planning-Monte Carlo simulation studies Ieee Transactions On Medical Imaging. 27: 521-530. PMID 18390348 DOI: 10.1109/TMI.2007.908131  1
2008 He X, Frey EC. Three-class ROC analysis - A sequential decision model developed for the diagnostic task rest-stress myocardial perfusion SPECT imaging Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6917. DOI: 10.1117/12.772674  1
2008 Descourt P, Du Y, Song X, Frey EC, Tsui BMW, Visvikis D. Angular response function parameterization for collimator/detector in SPECT simulations within the GATE toolkit Ieee Nuclear Science Symposium Conference Record. 4969-4971. DOI: 10.1109/NSSMIC.2008.4774355  1
2008 Wang X, He X, Taguchi K, Patt BE, Wagenaar DJ, Frey EC. Uniformity correction in photon-counting X-ray detector based on basis material decomposition Ieee Nuclear Science Symposium Conference Record. 4902-4905. DOI: 10.1109/NSSMIC.2008.4774338  1
2007 Du Y, Tsui BMW, Frey EC. Model-based crosstalk compensation for simultaneous Tc99m∕I123 dual-isotope brain SPECT imaging. Medical Physics. 34: 3530-3543. PMID 28524949 DOI: 10.1118/1.2768863  0.76
2007 Du Y, Tsui BM, Frey EC. Model-based crosstalk compensation for simultaneous 99mTc/123I dual-isotope brain SPECT imaging. Medical Physics. 34: 3530-43. PMID 17926956 DOI: 10.1118/1.2768863  1
2007 Xu J, Liu C, Wang Y, Frey EC, Tsui BM. Quantitative rotating multisegment slant-hole SPECT mammography with attenuation and collimator-detector response compensation. Ieee Transactions On Medical Imaging. 26: 906-16. PMID 17649904 DOI: 10.1109/TMI.2007.895480  1
2007 Prideaux AR, Song H, Hobbs RF, He B, Frey EC, Ladenson PW, Wahl RL, Sgouros G. Three-dimensional radiobiologic dosimetry: application of radiobiologic modeling to patient-specific 3-dimensional imaging-based internal dosimetry. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 48: 1008-16. PMID 17504874 DOI: 10.2967/jnumed.106.038000  1
2007 He X, Frey EC. An optimal three-class linear observer derived from decision theory. Ieee Transactions On Medical Imaging. 26: 77-83. PMID 17243586 DOI: 10.1109/TMI.2006.885335  1
2007 Xu J, Frey EC, Taguchi K, Tsui BMW. A Poisson likelihood iterative reconstruction algorithm for material decomposition in CT Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6510. DOI: 10.1117/12.713727  1
2007 Taguchi K, Zhang M, Frey EC, Xu J, Segars WP, Tsui BMW. Image-domain material decomposition using photon-counting CT Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6510. DOI: 10.1117/12.713508  1
2007 Frey EC, Wang X, Du Y, Taguchi K, Xu J, Tsui BMW. Investigation of the use of photon counting X-ray detectors with energy discrimination capability for material decomposition in micro-computed tomography Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6510. DOI: 10.1117/12.711711  1
2007 Frey EC, Taguchi K, Kapusta M, Xu J, Orskaug T, Ninive I, Wagenaar D, Patt B, Tsui BMW. MicroComputed tomography with a photon-counting X-ray detector Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6510. DOI: 10.1117/12.711647  1
2007 He X, Caffo BS, Frey EC. Markov chain Monte Carlo (MCMC) based ideal observer estimation using a parameterized phantom and a pre-calculated dataset Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6515. DOI: 10.1117/12.710173  1
2007 He X, Frey EC. Describing three-class task performance: Three-class linear discriminant analysis and three-class ROC analysis Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6515. DOI: 10.1117/12.710163  1
2007 Devakumar D, He X, Frey EC. Comparative assessment of ESSE and DEW scatter compensation methods for myocardial perfusion SPECT Ieee Nuclear Science Symposium Conference Record. 6: 4472-4474. DOI: 10.1109/NSSMIC.2007.4437104  1
2007 Du Y, Frey EC. Simultaneous 99mTc/201Tl/123i triple-isotope cardiac SPECT imaging Ieee Nuclear Science Symposium Conference Record. 6: 4213-4216. DOI: 10.1109/NSSMIC.2007.4437047  1
2007 Wang X, Xu J, Frey EC. Optimization of energy window widths in basis material decomposition using a multi-window photon counting X-ray detector Ieee Nuclear Science Symposium Conference Record. 5: 3826-3829. DOI: 10.1109/NSSMIC.2007.4436955  1
2007 Song N, He B, Frey EC. Investigation of effects of volume-of-interest mis-registration on accuracy of organ activity estimates obtained with quantitative planar processing Ieee Nuclear Science Symposium Conference Record. 4: 3105-3108. DOI: 10.1109/NSSMIC.2007.4436787  1
2007 Shilov MA, Frey EC, Segars WP, Xu J, Tsui BMW. Optimization of gated liver FDG PET with non-uniform respiration Ieee Nuclear Science Symposium Conference Record. 4: 2594-2596. DOI: 10.1109/NSSMIC.2006.354438  1
2007 Taguchi K, Segars WP, Kudo H, Frey EC, Fishman EK, Tsui BMW. Toward time resolved cardiac CT images with patient dose reduction: Image-based motion estimation Ieee Nuclear Science Symposium Conference Record. 4: 2029-2032. DOI: 10.1109/NSSMIC.2006.354312  1
2007 Volokh L, He X, Frey EC, Tsui BMW. Optimizing sensitivity-resolution trade-off using generalized detection/discrimination task and three-class ROC analysis Ieee Nuclear Science Symposium Conference Record. 3: 1692-1695. DOI: 10.1109/NSSMIC.2006.354224  1
2006 Xu J, Liu C, Wang YC, Frey EC, Tsui BM. Attenuation correction for rotating multi-segment slant-hole SPECT in breast imaging. Physica Medica : Pm : An International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (Aifb). 21: 44-7. PMID 17645993 DOI: 10.1016/S1120-1797(06)80023-2  1
2006 He X, Frey EC. Three-class ROC analysis--the equal error utility assumption and the optimality of three-class ROC surface using the ideal observer. Ieee Transactions On Medical Imaging. 25: 979-86. PMID 16894992 DOI: 10.1109/TMI.2006.871416  1
2006 He B, Frey EC. Comparison of conventional, model-based quantitative planar, and quantitative SPECT image processing methods for organ activity estimation using In-111 agents. Physics in Medicine and Biology. 51: 3967-81. PMID 16885618 DOI: 10.1088/0031-9155/51/16/006  1
2006 He X, Links JM, Gilland KL, Tsui BM, Frey EC. Comparison of 180 degrees and 360 degrees acquisition for myocardial perfusion SPECT with compensation for attenuation, detector response, and scatter: Monte Carlo and mathematical observer results. Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology. 13: 345-53. PMID 16750779 DOI: 10.1016/j.nuclcard.2006.03.008  1
2006 He X, Metz CE, Tsui BM, Links JM, Frey EC. Three-class ROC analysis--a decision theoretic approach under the ideal observer framework. Ieee Transactions On Medical Imaging. 25: 571-81. PMID 16689261 DOI: 10.1109/TMI.2006.871416  1
2006 Du Y, Tsui BM, Frey EC. Model-based compensation for quantitative 123I brain SPECT imaging. Physics in Medicine and Biology. 51: 1269-82. PMID 16481693 DOI: 10.1088/0031-9155/51/5/016  1
2006 He X, Frey EC. Optimal observer framework and categorization observer framework for three-class ROC analysis Progress in Biomedical Optics and Imaging - Proceedings of Spie. 6146. DOI: 10.1117/12.654172  1
2005 He B, Du Y, Song X, Segars WP, Frey EC. A Monte Carlo and physical phantom evaluation of quantitative In-111 SPECT. Physics in Medicine and Biology. 50: 4169-85. PMID 16177538 DOI: 10.1088/0031-9155/50/17/018  1
2005 Du Y, Tsui BM, Frey EC. Partial volume effect compensation for quantitative brain SPECT imaging. Ieee Transactions On Medical Imaging. 24: 969-76. PMID 16092329 DOI: 10.1109/TMI.2005.850547  1
2005 Tocharoenchai C, Tsui BM, Frey EC, Wang WT. Effect of attenuation correction on lesion detection using a hybrid PET system. Journal of the Medical Association of Thailand = Chotmaihet Thangphaet. 88: 96-102. PMID 15960226  1
2005 Song X, Segars WP, Du Y, Tsui BMW, Frey EC. Fast modelling of the collimator-detector response in Monte Carlo simulation of SPECT imaging using the angular response function Physics in Medicine and Biology. 50: 1791-1804. PMID 15815096 DOI: 10.1088/0031-9155/50/8/011  1
2005 Segars WP, Mahesh M, Beck T, Frey EC, Tsui BMW. Validation of the 4D NCAT simulation tools for use in high-resolution x-ray CT research Progress in Biomedical Optics and Imaging - Proceedings of Spie. 5745: 828-834. DOI: 10.1117/12.595987  1
2005 Wang WT, Tsui BMW, Lalush DS, Tocharoenchai C, Frey EC. Optimization of acquisition parameters for simultaneous 201Tl and 99mTc dual-isotope myocardial imaging Ieee Transactions On Nuclear Science. 52: 1227-1235. DOI: 10.1109/TNS.2005.851421  1
2005 Sawyer SA, Frey EC. Practical improvement of geometric parameter estimation for cone beam microCT imaging Ieee Nuclear Science Symposium Conference Record. 4: 2315-2319. DOI: 10.1109/NSSMIC.2005.1596797  1
2004 Segars WP, Tsui BM, Frey EC, Johnson GA, Berr SS. Development of a 4-D digital mouse phantom for molecular imaging research. Molecular Imaging and Biology : Mib : the Official Publication of the Academy of Molecular Imaging. 6: 149-59. PMID 15193249 DOI: 10.1016/j.mibio.2004.03.002  1
2004 Farncombe TH, Gifford HC, Narayanan MV, Pretorius PH, Frey EC, King MA. Assessment of scatter compensation strategies for (67)Ga SPECT using numerical observers and human LROC studies. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 45: 802-12. PMID 15136630  1
2004 Qi Y, Tsui BMW, Gilland KL, Frey EC, Gullberg GT. Evaluation of parallel and fan-beam data acquisition geometries and strategies for myocardial SPECT imaging Ieee Transactions On Nuclear Science. 51: 667-672. DOI: 10.1109/TNS.2004.829737  1
2004 He X, Frey EC, Links JM, Gilland KL, Segars WP, Tsui BMW. A mathematical observer study for the evaluation and optimization of compensation methods for myocardial SPECT using a phantom population that realistically models patient variability Ieee Transactions On Nuclear Science. 51: 218-224. DOI: 10.1109/TNS.2004.823331  1
2004 Song X, Frey EC, Wang WT, Du Y, Tsui BMW. Validation and evaluation of model-based crosstalk compensation method in simultaneous 99mTc stress and 201Tl rest myocardial perfusion SPECT Ieee Transactions On Nuclear Science. 51: 72-79. DOI: 10.1109/TNS.2003.823017  1
2004 Liu C, Tsui BMW, Baird WH, Xu J, Wang Y, Frey EC. Evaluation of rotating slant hole SPECT mammography with respect to planar scintimammography using Monte Carlo simulation methods Ieee Nuclear Science Symposium Conference Record. 7: 4063-4067.  1
2004 Stumpf MJ, Frey EC, Tsui BMW, Gullberg GT. An investigation of noise characteristics in OSEM reconstruction of fan beam SPECT using a rotating/warping projector/backprojector Ieee Nuclear Science Symposium Conference Record. 6: 3948-3952.  1
2004 Mok SP, Tsui BMW, Wang Y, Qi Y, Du Y, Segars WP, Yoder BC, Frey EC. Development and validation of a Monte Carlo simulation tool for multi-pinhole microSPECT Ieee Nuclear Science Symposium Conference Record. 6: 3440-3444.  1
2003 He X, Frey EC, Links JM, Song X, Tsui BMW. Comparison of penetration and scatter effects on defect contrast for GE and Siemens LEHR collimators in myocardial perfusion SPECT - A simulation study Ieee Nuclear Science Symposium Conference Record. 4: 2905-2909. DOI: 10.1109/TNS.2005.858224  1
2003 Narayanan MV, Pretorius PH, Dahlberg ST, Leppo JA, Botkin N, Krasnow J, Berndt W, Frey EC, King MA. Evaluation of Scatter Compensation Strategies and their Impact on Human Detection Performance Tc-99m Myocardial Perfusion Imaging Ieee Transactions On Nuclear Science. 50: 1522-1527. DOI: 10.1109/TNS.2003.817399  1
2003 Baird WH, Frey EC, Tsui BMW, Wang Y, Wessell DE. Evaluation of rotating slant-hole SPECT mammography using Monte Carlo Simulation methods Ieee Transactions On Nuclear Science. 50: 105-109. DOI: 10.1109/TNS.2002.807913  1
2003 Segars WP, Tsui BMW, Frey EC, Fishman EK. Extension of the 4D NCAT phantom to dynamic X-ray CT simulation Ieee Nuclear Science Symposium Conference Record. 5: 3195-3199.  1
2003 Sayeram S, Tsui BMW, De Zhao X, Frey EC. Performance evaluation of three different SPECT systems used in In-111 prostaScint® SPECT imaging Ieee Nuclear Science Symposium Conference Record. 5: 3129-3133.  1
2003 Song X, Frey EC, He X, Segars WP, Tsui BMW. A mathematical observer study for evaluation of a model-based compensation method for crosstalk in simultaneous dual isotope SPECT Ieee Nuclear Science Symposium Conference Record. 4: 2521-2525.  1
2003 Sawyer SA, Frey EC, He B, Wang Y, Tsui BMW. Implementation of short-scan reconstruction with compensation for geometric alignment for a micro-CT system Ieee Nuclear Science Symposium Conference Record. 4: 2981-2984.  1
2002 Frey EC, Gilland KL, Tsui BM. Application of task-based measures of image quality to optimization and evaluation of three-dimensional reconstruction-based compensation methods in myocardial perfusion SPECT. Ieee Transactions On Medical Imaging. 21: 1040-50. PMID 12564872 DOI: 10.1109/TMI.2002.804437  1
2002 de Jong HW, Wang WT, Frey EC, Viergever MA, Beekman FJ. Efficient simulation of SPECT down-scatter including photon interactions with crystal and lead. Medical Physics. 29: 550-60. PMID 11991127 DOI: 10.1118/1.1462638  1
2002 Sankaran S, Frey EC, Gilland KL, Tsui BM. Optimum compensation method and filter cutoff frequency in myocardial SPECT: a human observer study. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine. 43: 432-8. PMID 11884505  1
2002 Du Y, Frey EC, Wang WT, Tsui BMW. Optimization of Acquisition Energy Windows in Simultaneous 99mTc/123I Brain SPECT Ieee Nuclear Science Symposium and Medical Imaging Conference. 2: 1018-1022. DOI: 10.1109/TNS.2003.817404  1
2002 Gur YS, Farncombe TH, Pretorius PH, Gifford HC, Narayanan MV, Frey EC, Gagnon D, King MA. Comparison of scatter compensation strategies for myocardial perfusion imaging using Tc-99m labeled sestamibi Ieee Transactions On Nuclear Science. 49: 2309-2314. DOI: 10.1109/TNS.2002.803859  1
2002 Wang WT, Frey EC, Tsui BMW, Tocharoenchai C, Baird WH. Parameterization of Pb X-ray contamination in simultaneous Tl-201 and Tc-99m dual-isotope imaging Ieee Transactions On Nuclear Science. 49: 680-692. DOI: 10.1109/TNS.2002.1039549  1
2002 Du Y, Frey EC, Wang WT, Tocharoenchai C, Baird WH, Tsui BMW. Combination of MCNP and SimSET for Monte Carlo simulation of SPECT with medium- and high-energy photons Ieee Transactions On Nuclear Science. 49: 668-674. DOI: 10.1109/TNS.2002.1039547  1
2002 Tsui BMW, Wang Y, Yoder BC, Frey EC. Micro-SPECT Proceedings - International Symposium On Biomedical Imaging. 2002: 373-376. DOI: 10.1109/ISBI.2002.1029271  1
2002 Wang WT, Frey EC, Tsui BMW, Tocharoenchai C. A model-based crosstalk compensation method for simultaneous TL-201 and TC-99M dual isotope myocardial SPECT imaging Ieee Nuclear Science Symposium and Medical Imaging Conference. 4: 2209-2213.  1
2002 Wang Y, Tsui BMW, Baird WH, Frey EC, Wessell DE. Investigation of acquisition and image reconstruction parameters for rotating multi-segment slant-hole SPECT Ieee Nuclear Science Symposium and Medical Imaging Conference. 4: 2143-2146.  1
2002 Qi YJ, Tsui BMW, Gilland KJ, Frey EC, Gullberg GT. Evaluation of data acquisition geometries and strategies for myocardial SPECT imaging Ieee Nuclear Science Symposium and Medical Imaging Conference. 4: 2161-2165.  1
2002 Qi Y, Tsui BMW, Yoder B, Frey EC. Characteristics of Compact Detectors Based on Pixellated NaI(Tl) Crystal Arrays Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1538-1542.  1
2002 Song X, Frey EC, Wang WT, Du Y, Tsui BMW. Validation and Evaluation of Model-based Cross-talk Compensation Method in Simultaneous 99mTc Stress and 201Tl Rest Myocardial Perfusion SPECT Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1370-1374.  1
2002 Farncombe TH, Gifford HC, Narayanan MV, Pretorius PH, Frey EC, King MA. Assessment of Scatter Compensation Strategies for 67Ga Tumor SPECT Using Numerical Observers and Human LROC Studies Ieee Nuclear Science Symposium and Medical Imaging Conference. 2: 1035-1039.  1
2002 He X, Frey EC, Links J, Gilland KL, Segars WP, Tsui BMW. Evaluation and Optimization of Compensation Methods for Myocardial SPECT using a Set of Realistic Phantoms that Include Patient Variability Ieee Nuclear Science Symposium and Medical Imaging Conference. 2: 764-768.  1
2002 Gur YS, Farncombe TH, Pretorius PH, Gifford HC, Narayanan MV, Frey EC, Gagnon D, King MA. Comparison of scatter compensation strategies for cardiac perfusion imaging using Tc-99m labeled sestamibi Ieee Nuclear Science Symposium and Medical Imaging Conference. 4: 2188-2192.  1
2002 Narayanan MV, King MA, Pretorius PH, Dahlberg ST, Leppo JA, Botkin N, Krasnow J, Berndt W, Frey EC. Evaluation of Scatter Compensation Strategies and their Impact on Human Detection Performance in Tc-99m Myocardial Perfusion Imaging Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1524-1528.  1
2001 MacDonald LR, Patt BE, Iwanczyk JS, Tsui BMW, Wang Y, Frey EC, Wessell DE, Acton PD, Kung HF. Pinhole SPECT of mice using the LumaGEM gamma camera Ieee Transactions On Nuclear Science. 48: 830-836. DOI: 10.1109/23.940171  1
2001 Song X, Frey EC, Tsui BMW. Development and evaluation of a MicroCT system for small animal imaging Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1600-1604.  1
2001 Baird WH, Frey EC, Tsui BMW, Wang Y, Wessell DE. Evaluation of rotating slant-hole SPECT mammography using Monte-Carlo simulation methods Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1331-1334.  1
2001 Du Y, Frey EC, Wang WT, Tocharoenchai C, Baird WH, Tsui BMW. Combination of MCNP and SimSET for Monte Carlo simulation of SPECT with medium and high energy photons Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1358-1362.  1
2000 Lalush DS, Frey EC, Tsui BMW. Fast maximum entropy approximation in SPECT using the RBI-MAP algorithm Ieee Transactions On Medical Imaging. 19: 286-294. PMID 10909924 DOI: 10.1109/42.848180  1
2000 LaCroix KJ, Tsui BMW, Frey EC, Jaszczak RJ. Receiver operating characteristic evaluation of iterative reconstruction with attenuation correction in 99mTc-sestamibi myocardial SPECT images Journal of Nuclear Medicine. 41: 502-513. PMID 10716326  1
2000 Wessell DE, Frey EC, Tsui BMW. The geometric transfer function for slant-hole collimators Ieee Nuclear Science Symposium and Medical Imaging Conference. 3.  1
2000 Frey EC, LaCroix KJ, Tsui BMW. Optimization and evaluation of reconstruction-based compensation methods in myocardial perfusion SPECT using the channelized hotelling observer Ieee Nuclear Science Symposium and Medical Imaging Conference. 2.  1
2000 Wang YC, Wessell DE, Frey EC, Tsui BMW. A 3D filtered back-projection algorithm for SPECT using a multi-segment rotating slant-hole collimator Ieee Nuclear Science Symposium and Medical Imaging Conference. 2.  1
2000 Sawyer SA, Frey EC, Gilland KL, Tsui BMW, Gormley J. Performance evaluation of a small field-of-view camera for myocardial perfusion SPECT using a channelized hotelling observer Ieee Nuclear Science Symposium and Medical Imaging Conference. 3.  1
2000 Tsui BMW, Zhao XD, Sayeram S, Frey EC, Falen SW, McCartney WH. Evaluation of collimator-detector response compensation in tumor SPECT using medium- and high-energy collimators Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 18/1.  1
1999 Kadrmas DJ, Frey EC, Tsui BMW. Simultaneous technetium-99m/thallium-201 SPECT imaging with model-based compensation for cross-contaminating effects Physics in Medicine and Biology. 44: 1843-1860. PMID 10442716 DOI: 10.1088/0031-9155/44/7/319  1
1999 Lewis DP, Tsui BMW, Tocharoenchai C, Frey EC. Characterization of medium and high energy collimators using ray-tracing and Monte Carlo methods Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 2026-2030.  1
1999 Wang WT, Tsui BMW, Frey EC, Wessell DE. Comparison of an analytical and an iterative based collimator-detector response compensation method in SPECT Ieee Nuclear Science Symposium and Medical Imaging Conference. 2: 1382-1386.  1
1999 Tocharoenchai C, Tsui BMW, Lewis DP, Frey EC, Zhao X. Compensation for the response function of medium energy collimator in 67Ga planar and SPECT imaging Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1405-1408.  1
1999 Wollenweber SD, Tsui BMW, Lalush DS, Frey EC, LaCroix KJ, Gullberg GT. Comparison of radially-symmetric versus oriented channel models using channelized hotelling observers for myocardial defect detection in parallel-hole SPECT Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 2090-2094.  1
1999 Wollenweber SD, Tsui BMW, Lalush DS, Frey EC, LaCroix KJ, Gullberg GT. Comparison of hotelling observer models and human observers in defect detection from myocardial SPECT imaging Ieee Transactions On Nuclear Science. 46: 2098-2103.  1
1999 Wollenweber SD, Tsui BMW, Lalush DS, Frey EC, McCartney WH, Tocharoenchai C, Rempel TD, Simcic V. Initial characterization of the Siemens E.CAM+: a dual-detector camera with coincidence imaging capability Ieee Nuclear Science Symposium and Medical Imaging Conference. 3: 1470-1476.  1
1998 Tsui BMW, Frey EC, LaCroix KJ, Lalush DS, McCartney WH, King MA, Gullberg GT. Quantitative myocardial perfusion SPECT Journal of Nuclear Cardiology. 5: 507-522. PMID 9796898 DOI: 10.1016/S1071-3581(98)90182-9  1
1998 Kadrmas DJ, Frey EC, Tsui BMW. Application of reconstruction-based scatter compensation to thallium-201 SPECT: Implementations for reduced reconstructed image noise Ieee Transactions On Medical Imaging. 17: 325-333. PMID 9735896  1
1998 Frey EC, Tsui BMW, Gullberg GT. Improved estimation of the detector response function for converging beam collimators Physics in Medicine and Biology. 43: 941-950. PMID 9572517 DOI: 10.1088/0031-9155/43/4/021  1
1998 Kadrmas DJ, Frey EC, Karimi SS, Tsui BM. Fast implementations of reconstruction-based scatter compensation in fully 3D SPECT image reconstruction. Physics in Medicine and Biology. 43: 857-73. PMID 9572510 DOI: 10.1088/0031-9155/43/4/014  1
1998 Wollenweber SD, Tsui BMW, Lalush' DS, Frey EC, Gullberg GT. Evaluation of myocardial defect detection between parallel-hole and fan-beam SPECT using the hotelling trace Ieee Transactions On Nuclear Science. 45: 2205-2210.  1
1998 Tsui BMW, Wessell DE, Zhao XD, Wang WT, Lewis DP, Frey BC. Imaging Characteristics of Scintimammography Using Parallel-hole and Pinhole Collimators Ieee Transactions On Nuclear Science. 45: 2155-2161.  0.56
1997 Kadrmas DJ, Frey EC, Tsui BMW. Analysis of the reconstructibility and noise properties of scattered photons in 99mTc SPECT Physics in Medicine and Biology. 42: 2493-2516. PMID 9434303 DOI: 10.1088/0031-9155/42/12/014  1
1997 Beekman FJ, Kamphuis C, Frey EC. Scatter compensation methods in 3D iterative SPECT reconstruction: A simulation study Physics in Medicine and Biology. 42: 1619-1632. PMID 9279910 DOI: 10.1088/0031-9155/42/8/011  1
1997 Wollenweber SD, Tsui BMW, Lalush DS, Frey EC, Gullberg GT. Evaluation of myocardial defect detection between parallel-hole and fan-beam SPECT using the Hotelling trace Ieee Nuclear Science Symposium & Medical Imaging Conference. 2: 1428-1432.  1
1996 Kadrmas DJ, Frey EC, Tsui BM. An SVD Investigation of Modeling Scatter in Multiple Energy Windows for Improved SPECT Images. Ieee Transactions On Nuclear Science. 43: 2275-2284. PMID 20186285 DOI: 10.1109/23.531892  1
1996 Frey EC, Tsui BMW. New method for modeling the spatially-variant, object-dependent scatter response function in SPECT Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 2: 1082-1086.  1
1996 Kadrmas DJ, Frey EC, Tsui BMW. Application of reconstruction-based scatter compensation to T1-201 SPECT Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 3: 1663-1667.  1
1996 Tsui BMW, Lewis DP, Frey EC, Lalush DS. Reconstruction of truncated TCT and SPECT data from a right-angle dual-camera system for myocardial SPECT Ieee Nuclear Science Symposium & Medical Imaging Conference. 3: 1643-1647.  1
1996 Tsui BMW, Wessell DE, Zhao XD, Frey EC, McCartney WH, Peterson NP. Evaluation of collimation and imaging configuration in scintimammography Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 2: 1377-1381.  1
1995 Li J, Tsui BMW, Welch A, Frey EC, Gullberg GT. Energy Window Optimization in Simultaneous Technetium-99m TCT and Thallium-201 SPECT Data Acquisition Ieee Transactions On Nuclear Science. 42: 1207-1213. DOI: 10.1109/23.467877  1
1995 Ju ZW, Frey EC, Tsui BMW. Distributed 3-D Iterative Reconstruction for Quantitative SPECT Ieee Transactions On Nuclear Science. 42: 1301-1309. DOI: 10.1109/23.467865  1
1995 Frey EC, Tsui BMW. A Comparison of Gd-153 and Co-57 as Transmission Sources for Simultaneous TCT and Tl-201 SPECT Ieee Transactions On Nuclear Science. 42: 1201-1206. DOI: 10.1109/23.467859  1
1995 Frey EC, Tsui BMW. Comparison of Gd-153 and Co-57 as transmission sources for simultaneous TCT and Tl-201 SPECT Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 4: 1582-1586.  1
1995 Gregoriou GK, Tsui BMW, Frey EC, Lalush DS. Artifacts and sampling requirement in transmission CT reconstruction with truncated projection data Ieee Nuclear Science Symposium & Medical Imaging Conference. 3: 1336-1340.  1
1994 Tsui BM, Frey EC, Zhao X, Lalush DS, Johnston RE, McCartney WH. The importance and implementation of accurate 3D compensation methods for quantitative SPECT. Physics in Medicine and Biology. 39: 509-30. PMID 15551595 DOI: 10.1088/0031-9155/39/3/015  1
1994 Tsui BMW, Zhao X, Frey EC, McCartney WH. Quantitative single-photon emission computed tomography: Basic and clinical considerations Seminars in Nuclear Medicine. 24: 38-65. PMID 8122128 DOI: 10.1016/S0001-2998(05)80248-X  1
1994 Tsui BMW, Zhao XD, Gregoriou GK, Lalush DS, Frey EC, Johnston RE, McCartney WH. Quantitative Cardiac SPECT Reconstruction with Reduced Image Degradation Due to Patient Anatomy Ieee Transactions On Nuclear Science. 41: 2838-2844. DOI: 10.1109/23.340655  1
1994 Cao ZJ, Frey EC, Tsui BMW. A scatter model for parallel and converging beam SPECT based on the Klein-Nishina formula Ieee Transactions On Nuclear Science. 41: 1594-1600. DOI: 10.1109/23.322954  1
1994 Frey EC, Tsui BMW. Modeling the Scatter Response Function in Inhomogeneous Scattering Media for SPECT1 Ieee Transactions On Nuclear Science. 41: 1585-1593. DOI: 10.1109/23.322953  1
1994 Beckman FJ, Frey EC, Tsui BMW, Kamphuis C, Viergever¹ MH. A New Phantom for Fast Determination of the Scatter Response of a Gamma Camera Ieee Transactions On Nuclear Science. 41: 1481-1488. DOI: 10.1109/23.322935  1
1994 Frey EC, Tsui BMW. Modeling the scatter response function in inhomogeneous scattering media for SPECT Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 1184-1188.  1
1994 Cao ZJ, Frey EC, Tsui BMW. Scatter model for parallel and converging beam SPECT based on the Klein-Nishina formula Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 1179-1183.  1
1994 Beekman FJ, Frey EC, Kamphuis C, Tsui BMW, Viergever MA. New phantom for fast determination of the scatter response of a gamma camera Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference. 1847-1851.  1
1993 Frey EC, Ju ZW, Tsui BMW. A Fast Projector-Backprojector Pair Modeling the Asymmtric, Spatially Varying Scatter Response Function for Scatter Compensation in SPECT Imaging Ieee Transactions On Nuclear Science. 40: 1192-1197. DOI: 10.1109/23.256735  1
1993 Frey EC, Tsui BMW. A Practical Method for Incorporating Scatter in a Projector-Backprojector for Accurate Scatter Compensation in SPECT Ieee Transactions On Nuclear Science. 40: 1107-1116. DOI: 10.1109/23.256720  1
1993 Tsui BMW, Zhao XD, Cao ZJ, Frey EC. Reconstruction Methods for Quantitative Brain SPECT Ieee Transactions On Nuclear Science. 40: 214-220. DOI: 10.1109/23.212344  1
1993 Frey EC, Yu N, Patnaik B, Parikh NR, Swanson ML, Chu WK. Transition between Ge segregation and trapping during high-pressure oxidation of GexSi1-x/Si Journal of Applied Physics. 74: 4750-4755. DOI: 10.1063/1.354345  1
1992 Frey EC, Tsui BMW, Perry JR. Simultaneous acquisition of emission and transmission data for improved thallium-201 cardiac SPECT imaging using a technetium-99m transmission source Journal of Nuclear Medicine. 33: 2238-2245. PMID 1460523  1
1991 Frey EC, Tsui BMW. Spatial Properties of the Scatter Response Function in SPECT Ieee Transactions On Nuclear Science. 38: 789-794. DOI: 10.1109/23.289392  1
1991 Tsui BMW, Gullberg GT, Zhao X, Frey EC. Comparison Between ML-EM and WLS-CG Algorithms for SPECT Image Reconstruction Ieee Transactions On Nuclear Science. 38: 1766-1772. DOI: 10.1109/23.124174  1
1990 Frey EC, Tsui BMW. Parameterization of the scatter response function in spect imaging using monte carlo simulation Ieee Transactions On Nuclear Science. 37: 1308-1315. DOI: 10.1109/23.57381  1
1990 Austin JC, Swanson ML, Hughes WC, Kao CT, Slifkin LM, Hofsäss HC, Frey EC. Perturbed-angular-correlation measurements of trivalent indium defects in silver chloride Physical Review B. 42: 7699-7705. DOI: 10.1103/PhysRevB.42.7699  1
1990 Parikh NR, Frey EC, Hofsäss HC, Swanson ML, Downing RG, Hossain TZ, Wei-Kan C. Neutron depth profiling by coincidence spectrometry Nuclear Inst. and Methods in Physics Research, B. 45: 70-74. DOI: 10.1016/0168-583X(90)90787-U  1
1988 Swanson ML, Parikh NR, Frey EC, Wichert T. Ion channeling and perturbed angular correlation (pac) studies of In-As atom Pairs in silicon Nuclear Inst. and Methods in Physics Research, B. 33: 591-594. DOI: 10.1016/0168-583X(88)90637-4  1
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