Karl G. Helmer

Publication Activity (10 Years)

Years Active: 2009-2023
Publications (10 Years): 6

Top Topics

Management System

Linear Regression

Top Venues

Medical Imaging: Biomedical Applications in Molecular, Structural, and Functional Imaging

Frontiers Neuroinformatics

Publications

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)
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 (2022)
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 (2021)
Karl G. Helmer, M.-C. Chou, R. I. Preciado, B. 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)
Karl G. Helmer, M.-C. Chou, R. I. Preciado, B. 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)
Karl G. Helmer, Qi Wang, Graham Warner
TransformDB: A Data Management System for Multimodal Imaging Data. AMIA (2016)
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 (2013)
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 (2012)
Julien Cohen-Adad, Jonathan R. Polimeni, Karl G. Helmer, Thomas Benner, Jennifer A. McNab, Lawrence L. Wald, Bruce R. Rosen, Caterina Mainero
orientation-dependence at 7 T reveal cyto- and myeloarchitecture organization of the human cortex. NeuroImage 60 (2) (2012)
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 (2012)
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) (2012)
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) (2011)
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) (2009)