World's Best Scientists 2026 revealed!
Gary E. Christensen

Gary E. Christensen

D-Index & Metrics

Computer Science

D-Index
47
Citations
14958
World Ranking
6324
National Ranking
2826

Gary E. Christensen publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Gary E. Christensen sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 181 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Gary E. Christensen D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Gary E. Christensen sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 47 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2018 - IEEE Fellow For contributions to medical image registration and analysis

Overview

Gary E. Christensen is affiliated with the University of Iowa in the United States and has a research focus primarily in the field of Medicine. Their work encompasses subfields such as Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine, Radiation, Biomedical Engineering, and Psychiatry and Mental Health.

Their publication record includes papers in notable venues, among which the most frequent are Medical Physics, Frontiers in Physiology, Journal of Affective Disorders, arXiv (Cornell University), and proceedings from the International Society for Magnetic Resonance in Medicine. Within these venues, Christensen's work has contributed to topics like Lung Cancer Diagnosis and Treatment, Advanced Radiotherapy Techniques, Radiomics and Machine Learning in Medical Imaging, Ultrasound and Hyperthermia Applications, Bipolar Disorder and Treatment, Medical Imaging Techniques and Applications, and Effects of Radiation Exposure.

Recent papers authored or co-authored by Christensen include:

  • Predicting severe chronic obstructive pulmonary disease exacerbations using quantitative CT: a retrospective model development and external validation study (2023, The Lancet Digital Health)
  • Vascular Deformation Mapping for CT Surveillance of Thoracic Aortic Aneurysm Growth (2021, Radiology)
  • Quantifying Regional Lung Deformation Using Four-Dimensional Computed Tomography: A Comparison of Conventional and Oscillatory Ventilation (2020, Frontiers in Physiology)
  • Metabolic abnormalities in the basal ganglia and cerebellum in bipolar disorder: A multi-modal MR study (2022, Journal of Affective Disorders)
  • Geodesic density regression for correcting 4DCT pulmonary respiratory motion artifacts (2021, Medical Image Analysis)

Collaborations play a significant role in Christensen's research output. Frequent co-authors include Joseph M. Reinhardt, John E. Bayouth, Eric A. Hoffman, Sarah E. Gerard, and Mattison J. Flakus.

Among the recognitions received, Christensen was named an IEEE Fellow in 2018 for contributions to medical image registration and analysis.

Best Publications

  • Evaluation of 14 nonlinear deformation algorithms applied to human brain MRI registration.

    Arno Klein;Jesper L. R. Andersson;Babak A. Ardekani;Babak A. Ardekani;John Ashburner

  • Deformable templates using large deformation kinematics

    G.E. Christensen;R.D. Rabbitt;M.I. Miller

  • Consistent image registration

    G.E. Christensen;H.J. Johnson

  • Volumetric transformation of brain anatomy

    G.E. Christensen;S.C. Joshi;M.I. Miller

  • Mathematical textbook of deformable neuroanatomies

    Michael I. Miller;Gary E. Christensen;Yali Amit;Ulf Grenander

  • A method for the reconstruction of four-dimensional synchronized CT scans acquired during free breathing.

    Daniel A. Low;Michelle Nystrom;Eugene Kalinin;Parag Parikh

  • Consistent landmark and intensity-based image registration

    H.J. Johnson;G.E. Christensen

  • Evaluation of Registration Methods on Thoracic CT: The EMPIRE10 Challenge

    K. Murphy;B. van Ginneken;J. M. Reinhardt;S. Kabus

  • 3D brain mapping using a deformable neuroanatomy

    G E Christensen;R D Rabbitt;M I Miller

  • Registration-based estimates of local lung tissue expansion compared to xenon CT measures of specific ventilation.

    Joseph M. Reinhardt;Kai Ding;Kunlin Cao;Gary E. Christensen

  • Retrospective evaluation of intersubject brain registration

    P. Hellier;C. Barillot;I. Corouge;B. Gibaud

  • Three-dimensional hippocampal MR morphometry with high-dimensional transformation of a neuroanatomic atlas.

    John W. Haller;Ayananshu Banerjee;Gary E. Christensen;Mokhtar Gado

  • Statistical Methods in Computational Anatomy

    Michael Miller;Ayananshu Banerjee;Gary Christensen;Sarang Joshi

  • Introduction to the non-rigid image registration evaluation project (NIREP)

    Gary E. Christensen;Xiujuan Geng;Jon G. Kuhl;Joel Bruss

  • Individualizing neuro-anatomical atlases using a massively parallel computer

    G.E. Christensen;M.I. Miller;M.W. Vannier;U. Grenander

  • Establishing a normative atlas of the human lung: intersubject warping and registration of volumetric CT images.

    Baojun Li;Gary E. Christensen;Eric A. Hoffman;Geoffrey McLennan

  • Consistent Linear-Elastic Transformations for Image Matching

    Gary E. Christensen

  • Tracking lung tissue motion and expansion/compression with inverse consistent image registration and spirometry.

    Gary E. Christensen;Joo Hyun Song;Wei Lu;Issam El Naqa

  • Image-based dose planning of intracavitary brachytherapy: registration of serial-imaging studies using deformable anatomic templates.

    Gary E. Christensen;Blake Carlson;K.S.Clifford Chao;Pen Yin

  • Method and apparatus for image registration

    Michael I. Miller;Gary E. Christensen;Sarang C. Joshi;Ulf Grenander

Frequent Co-Authors

Joseph M. Reinhardt
Joseph M. Reinhardt University of Iowa
Eric A. Hoffman
Eric A. Hoffman University of Iowa
Michael W. Vannier
Michael W. Vannier University of Chicago
Sarang Joshi
Sarang Joshi University of Utah
Jess G. Fiedorowicz
Jess G. Fiedorowicz University of Ottawa
Vincent A. Magnotta
Vincent A. Magnotta University of Iowa
John A. Wemmie
John A. Wemmie University of Iowa
Milan Sonka
Milan Sonka University of Iowa
Ge Wang
Ge Wang Rensselaer Polytechnic Institute
Anuj Srivastava
Anuj Srivastava Florida State University

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