World's Best Scientists 2026 revealed!

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Computer Science

D-Index
64
Citations
12585
World Ranking
2654
National Ranking
1317

Research.com Recognitions

  • 2004 - IEEE Fellow For contributions to medical imaging technologies.

Overview

Grant T. Gullberg is affiliated with the University of California, San Francisco in the United States. Their research primarily focuses on the field of Medicine with a strong emphasis on Radiology, Nuclear Medicine and Imaging. Additional subfields include Biomedical Engineering, Radiation, Cardiology and Cardiovascular Medicine, and Surgery.

The scientist's research in Medical Imaging Techniques and Applications spans various advanced imaging modalities, including Advanced X-ray and CT Imaging, Advanced MRI Techniques and Applications, Radiomics and Machine Learning in Medical Imaging, Radiation Detection and Scintillator Technologies, Cardiac Imaging and Diagnostics, and Advanced Neuroimaging Techniques and Applications.

Recent published papers by Grant T. Gullberg include:

  • Direct Attenuation Correction Using Deep Learning for Cardiac SPECT: A Feasibility Study, 2021, Journal of Nuclear Medicine
  • Accuracy and Reproducibility of Myocardial Blood Flow Quantification by Single Photon Emission Computed Tomography Imaging in Patients With Known or Suspected Coronary Artery Disease, 2022, Circulation Cardiovascular Imaging
  • CT-less Direct Correction of Attenuation and Scatter in the Image Space Using Deep Learning for Whole-Body FDG PET: Potential Benefits and Pitfalls, 2020, Radiology Artificial Intelligence
  • Compton and Proximity Imaging of Ac In Vivo With a CZT Gamma Camera: A Proof of Principle With Simulations, 2022, IEEE Transactions on Radiation and Plasma Medical Sciences
  • Evaluation of a variable-aperture full-ring SPECT system using large-area pixelated CZT modules: A simulation study for brain SPECT applications, 2021, Medical Physics

Frequent co-authors in Grant T. Gullberg's work include Youngho Seo, Yoonsuk Huh, Uttam Shrestha, Jaewon Yang, and Qiu Huang.

The scientist has published in various venues, with the most frequent being Medical Physics, IEEE Transactions on Medical Imaging, IEEE Transactions on Radiation and Plasma Medical Sciences, Circulation Cardiovascular Imaging, and Journal of Nuclear Medicine.

Grant T. Gullberg was awarded the IEEE Fellow distinction in 2004 for contributions to medical imaging technologies.

Best Publications

  • Correction of nonuniform attenuation in cardiac SPECT imaging.

    B. M.W. Tsui;G. T. Gullberg;E. R. Edgerton;J. G. Ballard

  • Three-dimensional iterative reconstruction algorithms with attenuation and geometric point response correction

    G.L. Zeng;G.T. Gullberg;B.M.W. Tsui;J.A. Terry

  • Unmatched projector/backprojector pairs in an iterative reconstruction algorithm

    G.L. Zeng;G.T. Gullberg

  • Implementation of simultaneous attenuation and detector response correction in SPECT

    B.M.W. Tsui;H.-B. Hu;D.R. Gilland;G.T. Gullberg

  • Emission computer assisted tomography with single-photon and positron annihilation photon emitters.

    Thomas F. Budinger;Stephen E. Derenzo;Grant T. Gullberg;William L. Greenberg

  • Non-uniform attenuation correction using simultaneous transmission and emission converging tomography

    C.-H. Tung;G.T. Gullberg;G.L. Zeng;P.E. Christian

  • An attenuated projector-backprojector for iterative SPECT reconstruction

    G T Gullberg;R H Huesman;J A Malko;N J Pelc

  • THE USE OF FILTERING METHODS TO COMPENSATE FOR CONSTANT ATTENUATION IN SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY

    G T Gullberg;T F Budinger

  • Total variation regulated EM algorithm [SPECT reconstruction]

    V.Y. Panin;G.L. Zeng;G.T. Gullberg

  • Reconstruction and visualization of fiber and laminar structure in the normal human heart from ex vivo diffusion tensor magnetic resonance imaging (DTMRI) data.

    Damien Rohmer;Arkadiusz Sitek;Grant T. Gullberg

  • QUANTITATIVE POTENTIALS OF DYNAMIC EMISSION COMPUTED TOMOGRAPHY

    T. F. Budinger;S. E. Derenzo;W. L. Greenberg;G. T. Gullberg

  • Time-of-flight MR flow imaging: selective saturation recovery with gradient refocusing.

    F W Wehrli;A Shimakawa;G T Gullberg;J R MacFall

  • Direct least-squares estimation of spatiotemporal distributions from dynamic SPECT projections using a spatial segmentation and temporal B-splines

    B.W. Reutter;G.T. Gullberg;R.H. Huesman

  • Evaluation of cardiac cone-beam single photon emission computed tomography using observer performance experiments and receiver operating characteristic analysis.

    Benjamin M. W. Tsui;James A. Terry;James A. Terry;Grant T. Gullberg

  • Emission computed tomography

    Unknown

  • SPECT liver imaging using an iterative attenuation correction algorithm and an external flood source

    J.A. Malko;R.L. Van Heertum;G.T. Gullberg;W.P. Kowalsky

  • Application of spherical harmonics to image reconstruction for the Compton camera.

    Roman Basko;Gengsheng L Zeng;Grant T Gullberg

  • Review of convergent beam tomography in single photon emission computed tomography

    G T Gullberg;G L Zeng;F L Datz;P E Christian

  • The geometric transfer function for cone and fan beam collimators

    B M W Tsui;G T Gullberg

  • MR vascular imaging with a fast gradient refocusing pulse sequence and reformatted images from transaxial sections.

    G T Gullberg;F W Wehrli;A Shimakawa;M A Simons

  • A cone-beam tomography algorithm for orthogonal circle-and-line orbit.

    Gengsheng L Zeng;Grant T Gullberg

  • Total variation regulated EM algorithm

    V.Y. Panin;G.L. Zeng;G.T. Gullberg

  • Signal-to-noise efficiency in magnetic resonance imaging

    Dennis L. Parker;Grant T. Gullberg

Frequent Co-Authors

Gengsheng L. Zeng
Gengsheng L. Zeng Utah Valley University
Benjamin M. W. Tsui
Benjamin M. W. Tsui Johns Hopkins University
Jeffrey A. Weiss
Jeffrey A. Weiss University of Utah
Debasis Mitra
Debasis Mitra Columbia University
Michel Defrise
Michel Defrise Vrije Universiteit Brussel
Norbert J. Pelc
Norbert J. Pelc Stanford University
Jinyi Qi
Jinyi Qi University of California, Davis
Gary H. Glover
Gary H. Glover Stanford University
William J. Jagust
William J. Jagust University of California, Berkeley

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