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ORCIDKarl G. Helmer
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2020 – today
- 2023
[j8]Nazek Queder, Vivian B. Tien, Sanu Ann Abraham, Sebastian Georg Wenzel Urchs, Karl G. Helmer, Derek Chaplin, Theo G. M. van Erp, David N. Kennedy, Jean-Baptiste Poline, Jeffrey S. Grethe, Satrajit S. Ghosh, David B. Keator:
NIDM-Terms: community-based terminology management for improved neuroimaging dataset descriptions and query. Frontiers Neuroinformatics 17 (2023)- 2022
- [c4]Karl G. Helmer, Derek Chaplin, Nazek Queder, Satrajit S. Ghosh, Camille Maumet, Jean-Baptiste Poline, Theo G. M. van Erp, David B. Keator:
NIDM-Experiment: An Ontology for Annotating Neuroscientific Data. ICBO 2022: 1-3 - [i2]Ashmita Kumar
, Albert Crowley, Nazek Queder, Jean-Baptiste Poline, Satrajit S. Ghosh, David N. Kennedy, Jeffrey S. Grethe, Karl G. Helmer, David B. Keator:
The Neuroimaging Data Model Linear Regression Tool (nidm_linreg): PyNIDM Project. F1000Research 11: 228 (2022) - 2021
- [j7]Peiying Liu, Dengrong Jiang, Marilyn Albert, Christopher E. Bauer, Arvind Caprihan, Brian T. Gold, Steven M. Greenberg, Karl G. Helmer, Kay Jann, Gregory Jicha, Pavel Rodriguez, Claudia L. Satizabal, Sudha Seshadri, Herpreet Singh, Jeffrey F. Thompson, Danny J. J. Wang, Hanzhang Lu:
Multi-vendor and multisite evaluation of cerebrovascular reactivity mapping using hypercapnia challenge. NeuroImage 245: 118754 (2021)
2010 – 2019
- 2016
- [c3]Karl G. Helmer, Qi Wang, Graham Warner:
TransformDB: A Data Management System for Multimodal Imaging Data. AMIA 2016 - [c2]Karl G. Helmer, M.-C. Chou, R. I. Preciado, Barjor Gimi, N. K. Rollins, A. Song, Jessica A. Turner, Susumu Mori:
Multi-site study of diffusion metric variability: characterizing the effects of site, vendor, field strength, and echo time using the histogram distance. Medical Imaging: Biomedical Applications in Molecular, Structural, and Functional Imaging 2016: 97881G - [c1]Karl G. Helmer, M.-C. Chou, R. I. Preciado, Barjor Gimi, N. K. Rollins, A. Song, Jessica A. Turner, Susumu Mori:
Multi-site study of diffusion metric variability: effects of site, vendor, field strength, and echo time on regions-of-interest and histogram-bin analyses. Medical Imaging: Biomedical Applications in Molecular, Structural, and Functional Imaging 2016: 97882U - 2013
- [j6]David B. Keator, Karl G. Helmer, Jason Steffener, Jessica A. Turner, Theo G. M. van Erp, Syam Gadde, Naveen Ashish, Gully A. P. C. Burns, B. Nolan Nichols:
Towards structured sharing of raw and derived neuroimaging data across existing resources. NeuroImage 82: 647-661 (2013) - 2012
- [j5]Vincent Magnotta, Joy T. Matsui, Dawei Liu, Hans J. Johnson, Jeffrey D. Long, Bradley D. Bolster Jr., Bryon A. Mueller, Kelvin O. Lim, Susumu Mori, Karl G. Helmer, Jessica A. Turner, Sarah A. J. Reading, Mark J. Lowe, Elizabeth H. Aylward, Laura A. Flashman, Greg Bonett, Jane S. Paulsen:
MultiCenter Reliability of Diffusion Tensor Imaging. Brain Connect. 2(6): 345-355 (2012) - [j4]Jean-Baptiste Poline, Janis L. Breeze, Satrajit S. Ghosh, Krzysztof J. Gorgolewski, Yaroslav O. Halchenko, Michael Hanke, Christian Haselgrove, Karl G. Helmer, David B. Keator, Daniel S. Marcus, Russell A. Poldrack, Yannick Schwartz, John Ashburner, David N. Kennedy:
Data sharing in neuroimaging research. Frontiers Neuroinformatics 6: 9 (2012) - [j3]Julien Cohen-Adad, Jonathan R. Polimeni, Karl G. Helmer, Thomas Benner, Jennifer A. McNab, Lawrence L. Wald, Bruce R. Rosen, Caterina Mainero:
T2* mapping and B0 orientation-dependence at 7 T reveal cyto- and myeloarchitecture organization of the human cortex. NeuroImage 60(2): 1006-1014 (2012) - [i1]David B. Keator, Karl G. Helmer, Jason Steffener, Jessica A. Turner, Theo G. M. van Erp, Syam Gadde, Naveen Ashish, Gully A. P. C. Burns, B. Nolan Nichols, Satrajit S. Ghosh:
Towards structured sharing of raw and derived neuroimaging data across existing resources. CoRR abs/1209.5922 (2012) - 2011
- [j2]Karl G. Helmer, José Luis Ambite, Joseph Ames, Rachana Ananthakrishnan, Gully Burns, Ann L. Chervenak, Ian T. Foster, Lee Liming, David B. Keator, Fabio Macciardi, Ravi K. Madduri, John-Paul Navarro, Steven G. Potkin, Bruce R. Rosen, Seth Ruffins, Robert Schuler, Jessica A. Turner, Arthur W. Toga, Christina Williams, Carl Kesselman:
Enabling collaborative research using the Biomedical Informatics Research Network (BIRN). J. Am. Medical Informatics Assoc. 18(4): 416-422 (2011)
2000 – 2009
- 2009
- [j1]David H. Salat, Douglas N. Greve, Jennifer L. Pacheco, Brian T. Quinn, Karl G. Helmer, Randy L. Buckner, Bruce Fischl:
Regional white matter volume differences in nondemented aging and Alzheimer's disease. NeuroImage 44(4): 1247-1258 (2009)
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