G.T. Gullberg - Publications, H-index & Citations | Canyam

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G.T. Gullberg

university of california

54H-index

461Paper Count

1.0WCitation Count

Published Papers 86

Publication Date

Physical phantom validation of clustering-initiated factorization in dynamic PET

Medical Physics

IF3.2

2025-05-31

0

PREAI

Valerie Kobzarenko; Suzanne L. Baker; Mustafa Janabi; Woon-Seng Choong; Grant T. Gullberg; Youngho Seo; Rostyslav Boutchko; Debasis Mitra

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A Technique to Quantify Very Low Activities in Regions of Interest With a Collimatorless Detector

IEEE TRANSACTIONS ON MEDICAL IMAGING

IF9.8

2024-08-01

0

OAAI

Caravaca, Javier; Bobba, Kondapa Naidu; Du, Shixian; Peter, Robin; Gullberg, Grant T.; Bidkar, Anil P.; Flavell, Robert R.; Seo, Youngho

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A generalization of the maximum likelihood expectation maximization (MLEM) method: Masked-MLEM

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2023-12-11

2

OAAI

Zheng, Yifan; Frame, Emily; Caravaca, Javier; Gullberg, Grant T.; Vetter, Kai; Seo, Youngho

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Simulation studies of a full-ring, CZT SPECT system for whole-body imaging of 99mTc and 177Lu

MEDICAL PHYSICS

IF3.2

2023-03-22

4

OAAI

Huh, Yoonsuk; Caravaca, Javier; Kim, Jaehyuk; Cui, Yonggang; Huang, Qiu; Gullberg, Grant; Seo, Youngho

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An Analytical Algorithm for Tensor Tomography From Projections Acquired About Three Axes

IEEE TRANSACTIONS ON MEDICAL IMAGING

IF9.8

2022-11-01

3

OAAI

Tao, Weijie; Rohmer, Damien; Gullberg, Grant T.; Seo, Youngho; Huang, Qiu

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X-ray bi-prism interferometry-A design study of proposed novel hardware

MEDICAL PHYSICS

IF3.2

2021-10-11

1

OAAI

Gullberg, Grant T.; Shrestha, Uttam; Kim, Sally Ji Who; Seo, Youngho; Fuller, Michael

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Tomography of dark-field scatter including single-exposure Moire fringe analysis with X-ray biprism interferometry-A simulation study

MEDICAL PHYSICS

IF3.2

2021-08-18

2

OAAI

Tao, Weijie; Sung, Yongjin; Kim, Sally Ji Who; Huang, Qiu; Gullberg, Grant T.; Seo, Youngho; Fuller, Michael

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Novel Methodology for Measuring Regional Myocardial Efficiency

IEEE TRANSACTIONS ON MEDICAL IMAGING

IF9.8

2021-06-01

4

OAAI

Gullberg, Grant T.; Shrestha, Uttam M.; Veress, Alexander, I; Segars, W. Paul; Liu, Jing; Ordovas, Karen; Seo, Youngho

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Evaluation of a variable-aperture full-ring SPECT system using large-area pixelated CZT modules: A simulation study for brain SPECT applications

MEDICAL PHYSICS

IF3.2

2021-03-30

5

OAAI

Huh, Yoonsuk; Yang, Jaewon; Dim, Odera U.; Cui, Yonggang; Tao, Weijie; Huang, Qiu; Gullberg, Grant T.; Seo, Youngho

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Direct Attenuation Correction Using Deep Learning for Cardiac SPECT: A Feasibility Study

JOURNAL OF NUCLEAR MEDICINE

IF9.1

2021-02-26

32

OAAI

Yang, Jaewon; Shi, Luyao; Wang, Rui; Miller, Edward J.; Sinusas, Albert J.; Liu, Chi; Gullberg, Grant T.; Seo, Youngho

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PET imaging of glucose and fatty acid metabolism for NAFLD patients

JOURNAL OF NUCLEAR CARDIOLOGY

IF2.7

2020-10-01

6

OAAI

Gullberg, Grant T.; Shrestha, Uttam M.; Seo, Youngho

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Transmural Remodeling of Cardiac Microstructure in Aged Spontaneously Hypertensive Rats by Diffusion Tensor MRI

FRONTIERS IN PHYSIOLOGY

IF3.4

2020-03-31

1

OAAI

Giannakidis, Archontis; Gullberg, Grant T.

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Dynamic cardiac PET imaging: Technological improvements advancing future cardiac health

JOURNAL OF NUCLEAR CARDIOLOGY

IF2.7

2019-08-01

5

OAAI

Gullberg, Grant T.; Shrestha, Uttam M.; Seo, Youngho

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A combined static-dynamic single-dose imagingprotocol to compare quantitative dynamic SPECT with static conventional SPECT

JOURNAL OF NUCLEAR CARDIOLOGY

IF2.7

2019-06-01

9

OAAI

Sciammarella, Maria; Shrestha, Uttam M.; Seo, Youngho; Gullberg, Grant T.; Botvinick, Elias H.

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Comparison of sparse domain approaches for 4D SPECT dynamic image reconstruction

MEDICAL PHYSICS

IF3.2

2018-08-31

3

OAAI

Mitra, Debasis; Abdalah, Mahmoud; Boutchko, Rostyslav; Chang, Haoran; Shrestha, Uttam; Botvinick, Elias; Seo, Youngho; Gullberg, Grant T.

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Noninvasive PET quantitative myocardial blood flow with regadenoson for assessing cardiac allograft vasculopathy in orthotopic heart transplantation patients

JOURNAL OF NUCLEAR CARDIOLOGY

IF2.7

2017-08-01

10

OAAI

Pampaloni, Miguel Hernandez; Shrestha, Uttam M.; Sciammarella, Maria; Seo, Youngho; Gullberg, Grant T.; Botvinick, Elias H.

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Design of a short nonuniform acquisition protocol for quantitative analysis in dynamic cardiac SPECT imaging - a retrospective 123I-MIBG animal study

MEDICAL PHYSICS

IF3.2

2017-05-26

1

PREAI

Zan, Yunlong; Long, Yong; Chen, Kewei; Li, Biao; Huang, Qiu; Gullberg, Grant T.

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Measurement of absolute myocardial blood flow in humans using dynamic cardiac SPECT and 99mTc-tetrofosmin: Method and validation

JOURNAL OF NUCLEAR CARDIOLOGY

IF2.7

2017-02-01

42

OAAI

Shrestha, Uttam; Sciammarella, Maria; Alhassen, Fares; Yeghiazarians, Yerem; Ellin, Justin; Verdin, Emily; Boyle, Andrew; Seo, Youngho; Botvinick, Elias H.; Gullberg, Grant T.

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Multipinhole collimator with 20 apertures for a brain SPECT application

MEDICAL PHYSICS

IF3.2

2016-11-30

16

OAAI

Lee, Tzu-Cheng; Ellin, Justin R.; Huang, Qiu; Shrestha, Uttam; Gullberg, Grant T.; Seo, Youngho

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Image reconstruction in higher dimensions: myocardial perfusion imaging of tracer dynamics with cardiac motion due to deformation and respiration

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2015-10-09

11

OAAI

Shrestha, Uttam M.; Seo, Youngho; Botvinick, Elias H.; Gullberg, Grant T.

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