Tward, D. J., Michael Miller, Alain Trouve, Laurent Younes, "Parametric Surface Diffeomorphometry for Low Dimensional Embeddings of Dense Segmentations and Imagery ," IEEE Transactions on Pattern Analysis and Machine Intelligence, 2016 (In Press).
Faria, A.V., Ratnanather, J.T., Tward, D.J., Lee, D.S., van den Noort, F., Wu, D., Brown, T., Johnson, H., Paulsen, J.S., Ross, C.A. and Younes, L.. "Linking white matter and deep gray matter alterations in premanifest Huntington Disease," Neuroimage: Clinical, 2016.
Segars, W.P., Norris, H., Sturgeon, G.M., Zhang, Y., Bond, J., Minhas, A., Tward, D.J., Ratnanather, J.T., Miller, M.I., Frush, D. and Samei, E., 2015. The development of a population of 4D pediatric XCAT phantoms for imaging research and optimization. Medical physics, 42(8), pp.4719-4726.
Michael I. Miller, J. Tilak Ratnanather, Daniel J. Tward, Timothy Brown, David S. Lee, Michael Ketcha, Kanami Mori, Mei-Chang Wang, Susumu Mori, Marilyn S. Albert, AndreaLaurent Younes. "Network Neurodegeneration in Alzheimer's Disease via MRI based Shape Diffeomorphometry and High Field Atlasing," Frontiers in Bioengineering and Biotechnology, Volume 3, 2015, 54 pages
Pamela B. Mahona, David S. Lee, Huong Trinh, Daniel Tward, Michael I. Miller, Laurent Younes, Patrick E. Bartac, and J. Tilak Ratnanather. "Morphometry of the amygdala in schizophrenia and psychotic bipolar disorder," Schizophrenia Research, Volume 164, Issues 1-3, May 2015, Pages 199-202
Michael I. Miller, Laurent Younes, J. Tilak Ratnanather, Timothy Brown, Huong Trinh, David S. Lee, Daniel Tward, Pamela B. Mahon, Susumu Mori, Marilyn Albert, and the BIOCARD Research Team, "Amygdalar atrophy in symptomatic Alzheimer's disease based on diffeomorphometry: the BIOCARD cohort," Neurobiology of Aging, Volume 36, Supplement I, Number 0, Pages S3 - S10 (2015).
Hannah Norris, Yakun Zhang, Jason Bond, Gregory M. Sturgeon, Anum Minhas, Daniel J. Tward, J. T. Ratnanather, M. I. Miller, D. Frush, E. Samei and W. P. Segars, "A set of 4D pediatric XCAT reference phantoms for multimodality research," Medical Physics, vol. 41, 033701 (2014).
Daniel J. Tward, Jun Ma, Michael I. Miller, Laurent Younes, "Robust Diffeomorphic mapping via Geodesically Controlled Active Shapes," International Journal of Biomedical Imaging, Article ID 205494, 19 pages (2013).
Segars WP, Bond J, Frush J, Hon S, Eckersley C, Williams CH, Feng J, Tward DJ, Ratnanather T, Miller MI, Frush D, and Samei E, "Population of anatomically variable 4D XCAT adult phantoms for imaging research and optimization," Medical Physics, vol. 40, 043701 (2013).
November 2012- winner of the Farrington Daniels Award for the best paper on Radiation Dosimetry published in Medical Physics in 2012
Xiang Li, Ehsan Samei, Cameron H. Williams, W. Paul Segars, Daniel J. Tward, Michael I. Miller, J. Tilak Ratnanather, Erik K. Paulson, Donald P. Frush, "Effects of protocol and obesity on dose conversion factors in adult body CT," Med. Phys. 39(11), 6550--6571 (2012).
Pineda AR, Tward DJ, Gonzalez A, Siewerdsen JH, "Beyond noise power in 3D computed tomography: The local NPS and off-diagonal elements of the Fourier domain covariance matrix," Med. Phys. 39(6), 3240 - 3252 (2012).
Daniel J. Tward, Can Ceritoglu, Anthony Kolasny, Greg Sturgeon, Williams P. Segars, M. I. Miller, and J. Tilak Ratnanather, "Patient Specific Dosimetry Phantoms Using Multi-Channel LDDMM of the Whole Body," International Journal of Biomedical Imaging, special Issue on Parallel Computation in Medical Imaging Applications, 9 pages (2011).
G. J. Gang, J. Lee, J. L. Prince, J. W. Stayman, D. J. Tward, W. Zbijewski, and J. H. Siewerdsen, "Analysis of Fourier-domain task-based detectability index in tomosynthesis and cone-beam CT in relation to human observer performance," Med. Phys. 38(4), 1754 - 1768 (2011).
G. J. Gang, D. J. Tward, J. Lee, and J. H. Siewerdsen, "Anatomical background and the generalized detectability index for tomosynthesis and cone-beam CT," Med. Phys. 37(5), 1948 - 1965 (2010).
D. J. Tward and J. H. Siewerdsen, "Noise Aliasing and the 3D NEQ of Flat-Panel Cone-Beam CT: Effect of 2D/3D Apertures and Sampling," Med. Phys. 36(8), 3830 - 3843 (2009).
D. J. Tward and J. H. Siewerdsen, "Cascaded systems analysis of the 3D noise transfer characteristics of flat-panel cone-beam CT," Med. Phys. 35(12), 5510 - 5529 (2008).
D. J. Tward, J. H. Siewerdsen, M. J. Daly, S. Richard, D. J. Moseley, D. A. Jaffray, and N. S. Paul, "Soft-tissue detectability in cone-beam CT: Evaluation by 2AFC tests in relation to physical performance metrics," Med. Phys. 34(11), 4459 - 4471 (2007).
D. B. Williams, J. H. Siewerdsen, D. J. Tward, N. S. Paul, A. C. Dhanantwari, N. A. Shkumat, S. Richard, J. Yorkston, and R. Van Metter, "Optimal kVp selection for dual-energy imaging of the chest: Evaluation by task-specific, observer preference tests," Med. Phys. 34(10), 3916 - 3925 (2007).
October 2016, Oral Presentation
Tward, D.J., Sicat, C.S., Brown, T., Bakker, A. and Miller, M.I., 2016, October. Reducing Variability in Anatomical Definitions Over Time Using Longitudinal Diffeomorphic Mapping . In International Workshop on Spectral and Shape Analysis in Medical Imaging (pp. 51-62). Springer International Publishing.
July 2016, Oral Presentation
Daniel J Tward, Anthony Kolasny, Chelsea S Sicat, Timothy Brown, Michael I Miller. "Tools for studying populations and timeseries of neuroanatomy enabled through GPU acceleration in the Computational Anatomy Gateway". Proceedings of the XSEDE16 Conference on Diversity, Big Data, and Science at Scale, 15 pages (2016)
Gregory M Sturgeon, Daniel J Tward, M Ketcha, JT Ratnanather, MI Miller, Subok Park, WP Segars, Joseph Y Lo. "Eigenbreasts for statistical breast phantoms". SPIE Medical Imaging, pages 97832B-97832B-9 (2016)
September 2014, Oral Presentation
Daniel Tward, Saurabh Jain, Tilak Ratnanather, Laurent Younes, and Michael Miller, "OpenCL acceleration of Large Deformation Diffeomorphic Metric Mapping", The 7th International Workshop on High Performance Computing for Biomedical Image Analysis, HPC-MICCAI 2014, Held in Conjunction with MICCAI 2014, Boston, MA, USA, September 14, 2014. Proceedings (2014).
September 2014, Poster
Daniel Tward, Jorge Jovicich, Andrea Soricelli, Giovanni Frisoni, Alain Trouve, Laurent Younes, and Michael Miller, "Improved Reproducibility of Neuroanatomical Definitions through Diffeomorphometry and Complexity Reduction", 5th International Workshop, MLMI 2014, Held in Conjunction with MICCAI 2014, Boston, MA, USA, September 14, 2014. Proceedings, 223 - 230 (2014).
July 2014, Paper, Poster, and Oral Presentation and-speaker and poster presenter Daniel Tward
-winner of "Best Lightning Talk" at XSEDE 2014. This was a format where top scoring papers in each subject area were presented to the entire conference, rather than to a limited group.
Saurabh Jain, Daniel J. Tward, David S. Lee, Anthony Kolasny, Timothy Brown, J. Tilak Ratnanather, Michael I. Miller, Laurent Younes "Computational Anatomy Gateway: Leveraging XSEDE Computational Resources for Shape Analysis", Proceedings of the 2014 Annual Conference on Extreme Science and Engineering Discovery Environment, Atlanta, GA, USA, 54:1 - 54:6 (2014).
February 2014, Oral Presentation
Hannah Norris, Yakun Zhang, Jack Frush, Gregory M. Sturgeon, Anum Minhas, Daniel J. Tward, J. Tilak Ratnanather, M. I. Miller, Donald Frush, Ehsan Samei, W. Paul Segars, "The development of a population of 4D pediatric XCAT phantoms for CT imaging research and optimization", Proc. SPIE 9033, Medical Imaging 2014: Physics of Medical Imaging, 90331V (March 19, 2014)
February 2012, Oral Presentation
Jason Bond, Jack Frush, Chris Eckersley, Cameron H. Williams, Daniel J. Tward, John T. Ratnanather, Michael I. Miller, Ehsan Samei, Williams P. Seagars, "Series of 4D adult XCAT phantoms for imaging research and dosimetry", Proceedings of SPIE Medical Imaging (SPIE-MI 2012), San Diego, CA, February 4-9, 2012
April 2011, Oral Presentation
D. J. Tward, C. Ceritoglu, G. Sturgeon, W. P. Segars, M. I. Miller, J. T. Ratnanather, "Creating custom dosimetry phantoms using whole body diffeomorphic image registration", Proceedings of the 2011 IEEE 37th Annual Northeast Bioengineering Conference, Troy, NY, April 1-3, 2011
November 2010-note typo in my name
W. Paul Segars, Gregory M. Sturgeon, Daniel J. Ward, J. Tilak Ratnanather, Michael I. Miller, B. M. W. Tsui, "The New XCAT Series of Digital Phantoms for Multi-Modality Imaging", Nuclear Science Symposium Conference Reccord (NSS/MIC) IEEE, Pages 2392 - 2395 (2010)
February 2010, Oral Presentation
G. J. Gang, J. Lee, J. W. Stayman, D. J. Tward, W. Zbijewski, J. L. Prince, and J. Siewerdsen, "The generalized NEQ and detectability index for tomosynthesis and cone-beam CT: from cascaded systems analysis to human observers", Proceedings of SPIE Medical Imaging (SPIE-MI 2010), San Diego, CA, February 16-21, 2010
September 2009, Oral Presentation
Junguo Bian, Xiao Han, Emil Y. Sidky, Daniel Tward, Jeffrey H. Siewerdsen, Xiaochuan Pan, "Sparse-data Reconstruction in Flat-panel Cone-beam CT for Potential Use in Image-guided Surgery," 10th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2009.
February 2009, Oral Presentation
S. Yoon, J. G. Gang, D. J. Tward, J. H. Siewerdsen, R. Fahrig, "Analysis of lung nodule detectability and anatomical clutter in tomosynthesis imaging of the chest," Proc. of SPIE Medical Imaging 2009, 7258.
February 2008, Oral Presentation
D. J. Tward, J. H. Siewerdsen, R. Fahrig, A. R. Pineda, "Cascaded Systems Analysis of the 3D NEQ for Cone-Beam CT and Tomosynthesis," Proc. of SPIE Medical Imaging 2008, 6913, 69131S.
February 2008, Oral Presentation- Winner of SPIE Medical Imaging best student paper
S. Richard, J. H. Siewerdsen, and D. J. Tward, "NEQ and task in dual-energy imaging: from cascaded systems analysis to human observer performance", Proc. SPIE 6913, 691311 (2008)
February 2008, Oral Presentation
A. R. Pineda, J. H. Siewerdsen, and D. J. Tward, "Analysis of image noise in 3D cone-beam CT: spatial and Fourier domain approaches under conditions of varying stationarity", Proc. SPIE 6913, 69131Q (2008)
February 2007, Oral Presentation
N. A. Shkumat, J. H. Siewerdsen, A. C. Dhanantwari, D. B. Williams, S. Richard, D. J. Tward, N. S. Paul, J. Yorkston, and R. Van Metter, "Development and implementation of a high-performance, cardiac-gated dual-energy imaging system," Proc. SPIE 6510, 651006 (2007)
November 2016, Poster
Tward DJ, Sicat CC, Brown T, Miller EA, Ratnanather JT, Younes L, Bakker A, Albert M, Gallagher M, Mori S, Miller MI Local atrophy of entorhinal and trans-entorhinal cortex in mild cognitive impairment measured via diffeomorphometry. Society for neuroscience, San Diego California, November 2016 (2016).
July 2015, Poster
Daniel J. Tward, Arnold Bakker, Michela Gallagher, Michael I. Miller, GPU Acceleration on the Stampede Cluster for the Computational Anatomy Gateway , XSEDE15, July 26-30, St. Louis, MO (2015)
July 2015, Poster
Daniel J. Tward, Arnold Bakker, Michela Gallagher, Michael I. Miller, "Changes in Medial Temporal Lobe Anatomy Quantified Using Probabilistic Atlas Construction and Surface Diffeomorphometry,"` Alzheimer's Association International Conference 2015, abstract ID 5689 (2015).
May 2012, Oral Presentation- speaker J. Tilak Ratnanather
Daniel J. Tward, Scott K. Holland, Jianqiao Feng, Kristen Smith, Mekibib Altaye, Ellis Arjmand, Marguerite M. Care, Jannel M. Phillips, Sara Robertson, Charlotte Ruder, J. Tilak Ratnanather, "Potential structural neuroimaging biomarkers for pediatric cochlear-implantation outcomes," 12th International Conference on Cochlear Implants and Other Implantale Auditory Technologies (2012).
February 2012, Poster
Daniel J. Tward, Jianqiao Feng, Kristen Smith, Mekibib Altaye, Ellis Arjmand, Marguerite Care, Jannel Phillips, Sara Robertson, Charlotte Ruder, Scott Holland, J. Tilak Ratnanather, "Cortical Thickness Differences in Heschl's Gyrus of Hearing Impaired and Normal Hearing Infants". Association for Research in Otolaryngology: Midwinter Meeting, February 25-29 (2012).
June 2010, Oral Presentation
G. Gang, J. Lee, J. Stayman, D. Tward, W. Zbijewski, J. Prince, J. Siewerdsen, "TH-D-201B-01: Task-Based Analysis of Detectability in Tomosynthesis and Cone-Beam CT: Validation of Fourier Metrics in Comparison to Real Observers," Med. Phys. 37(5), 1948-1965 (2010)
June 2009, Poster
G. Gang, D. Tward, J. Siewerdsen, "SU-FF-I-113: Anatomical Power Spectrum and Detectability: An Analytical and Experimental Basis," Med. Phys. 36(6), 2460-2461 (2009)
June 2009, Oral Presentation
A. Pineda, D. Tward, A. Gonzalez, and J. Siewerdsen, "WE-C-332-01: Spatial and Fourier Analysis of Non-stationarity in 3D X-ray Computed Tomography," Med. Phys. 36(6), 2697 (2009)
June 2008, Oral Presentation
D. Tward, S. Richard, and J. Siewerdsen, "WE-C-332-01: Cascaded Systems Analysis of the 3D NEQ of Cone-Beam CT: Investigation of Voxel Size in Relation to 3D Noise Aliasing," Med. Phys. 35(6), 2939 - 2939 (2008)
June 2007, Oral Presentation
S. Richard, J. Siewerdsen, and D. Tward, "WE-C-L100J-07: Investigation of Fourier-Based, Hypothesis-Testing Detection and Discrimination Tasks in Dual-Energy Imaging," Med. Phys. 34(6), 2586-2586 (2007).
June 2006, Oral Presentation
J. Siewerdsen, D. Tward, M. Daly, and N. Paul, "TH-C-330A-08: Soft-Tissue Detectability Limits in Cone-Beam CT: 2AFC Tests of Human Observer Performance in Relation to Contrast, Spatial Resolution, and the 3D Noise-Power Spectrum," Med. Phys. 33(6), 2267-2267 (2006)
May 2014, Oral Presentation
Daniel J. Tward, "Studying Neuroanatomy with Parametric Diffeomorphometry," Shape analysis focus research group, Imperial College, London, June 7 (2011).
May 2013, Oral Presentation
Daniel J. Tward, "Robust parametric representations of multiple binary segmentations," Shape analysis focus research group, Towson MD, May 13 (2014).
July 2012, Oral Presentation- Winner of best trainee presentation
Daniel J. Tward, "Incorporating neuroanatomical knowledge into registration and segmentation through geodesic diffeomorphic active shapes," Mitacs: Workshop on Mathematics of Brain Imaging 2012. Simon Fraser University, Vancouver, July 11-13 2012.
May 2012, Oral Presentation
May 2012, Oral Presentation
D. J. Tward, "Geodesically controlled diffeomorphic active shapes and tangent space PCA. Shape analysis focus research group, ENS Cachan, Paris (2012).