Design of a multi-pinhole collimator for I-123 DaTscan imaging on dual-headed SPECT systems in combination with a fan-beam collimator MA King, JM Mukherjee, A Könik, IG Zubal, J Dey, R Licho IEEE transactions on nuclear science 63 (1), 90-97, 2016 | 40* | 2016 |
GATE simulations of human and small animal PET for determination of scatter fraction as a function of object size A Konik, MT Madsen, JJ Sunderland IEEE Transactions on Nuclear Science 57 (5), 2558-2563, 2010 | 31 | 2010 |
The clinical utilities of multi-pinhole single photon emission computed tomography I Ozsahin, L Chen, A Könik, MA King, FJ Beekman, GSP Mok Quantitative Imaging in Medicine and Surgery 10 (10), 2006, 2020 | 25 | 2020 |
Digital anthropomorphic phantoms of non-rigid human respiratory and voluntary body motion for investigating motion correction in emission imaging A Könik, CM Connolly, KL Johnson, P Dasari, PW Segars, PH Pretorius, ... Physics in Medicine & Biology 59 (14), 3669, 2014 | 25* | 2014 |
Primary, scatter, and penetration characterizations of parallel-hole and pinhole collimators for I-123 SPECT A Könik, B Auer, J De Beenhouwer, K Kalluri, N Zeraatkar, LR Furenlid, ... Physics in Medicine & Biology 64 (24), 245001, 2019 | 23* | 2019 |
Comparison of methods of acquiring attenuation maps for cardiac SPECT in the presence of respiratory motion A Könik, J Kikut, R Lew, K Johnson, MA King Journal of Nuclear Cardiology 20 (6), 1093-1107, 2013 | 20 | 2013 |
Evaluation of attenuation and scatter correction requirements as a function of object size in small animal PET imaging A Konik, T Koesters, MT Madsen, JJ Sunderland IEEE Transactions on Nuclear Science 58 (5), 2308-2314, 2011 | 20 | 2011 |
Theranostics: the role of quantitative nuclear medicine imaging A Könik, JA O'Donoghue, RL Wahl, MM Graham, AD Van den Abbeele Seminars in radiation oncology 31 (1), 28-36, 2021 | 18 | 2021 |
Investigation of axial and angular sampling in multi-detector pinhole-SPECT brain imaging N Zeraatkar, KS Kalluri, B Auer, A Könik, TJ Fromme, LR Furenlid, PH Kuo, ... IEEE transactions on medical imaging 39 (12), 4209-4224, 2020 | 18 | 2020 |
Adaptation of the modified Bouc–Wen model to compensate for hysteresis in respiratory motion for the list‐mode binning of cardiac SPECT and PET acquisitions: Testing using MRI PKR Dasari, MS Shazeeb, A Könik, C Lindsay, JM Mukherjee, ... Medical Physics 41 (11), 112508, 2014 | 18 | 2014 |
Inclusion of quasi-vertex views in a brain-dedicated multi-pinhole SPECT system for improved imaging performance B Auer, N Zeraatkar, JC Goding, A Könik, TJ Fromme, KS Kalluri, ... Physics in Medicine & Biology 66 (3), 035007, 2021 | 17 | 2021 |
Simulations of a multipinhole SPECT collimator for clinical dopamine transporter (DAT) imaging A Könik, J De Beenhouwer, JM Mukherjee, K Kalluri, S Banerjee, ... IEEE transactions on radiation and plasma medical sciences 2 (5), 444-451, 2018 | 17 | 2018 |
Preliminary investigation of axial and angular sampling in multi-pinhole AdaptiSPECT-C with XCAT phantoms N Zeraatkar, KS Kalluri, A Könik, JM Mukherjee, J Dey, JC Goding, Y He, ... 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC …, 2017 | 16 | 2017 |
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 MA King, J Dey, K Johnson, P Dasari, JM Mukherjee, JE McNamara, ... Medical Physics 40 (11), 112504, 2013 | 16* | 2013 |
Performance analysis of a high‐sensitivity multi‐pinhole cardiac SPECT system with hemi‐ellipsoid detectors N Bhusal, J Dey, J Xu, K Kalluri, A Konik, JM Mukherjee, PH Pretorius Medical physics 46 (1), 116-126, 2019 | 13 | 2019 |
Correction of hysteretic respiratory motion in SPECT myocardial perfusion imaging: Simulation and patient studies PKR Dasari, A Könik, PH Pretorius, KL Johnson, WP Segars, ... Medical physics 44 (2), 437-450, 2017 | 13 | 2017 |
GATE Simulations of Small Animal SPECT for Determination of Scatter Fraction as a Function of Object Size A Könik, MT Madsen, JJ Sunderland Nuclear Science, IEEE Transactions on 59 (5), 1887-1891, 2012 | 13 | 2012 |
Evaluation of attenuation and scatter correction requirements in small animal PET and SPECT imaging A Konik The University of Iowa, 2010 | 13 | 2010 |
Multi-pinhole cardiac SPECT performance with hemi-ellipsoid detectors for two geometries K Kalluri, N Bhusal, D Shumilov, A Konik, JM Mukherjee, PH Pretorius, ... 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC …, 2015 | 10 | 2015 |
Combined respiratory and rigid body motion compensation in cardiac perfusion SPECT using a visual tracking system PH Pretorius, MA King, KL Johnson, JM Mukherjee, J Dey, A Konik 2011 IEEE Nuclear Science Symposium Conference Record, 2768-2773, 2011 | 9 | 2011 |