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Positron emission tomography (PET) imaging is widely used in a number of clinical applications, including cancer and Alzheimer's disease (AD) diagnosis, monitoring of disease development, and treatment effect evaluation. Statistical…

Tissues and Organs · Quantitative Biology 2025-11-07 Akhil Ambekar , Robert Zielinski , Ani Eloyan

Positron Emission Tomography (PET) is a functional imaging modality that enables the visualization of biochemical and physiological processes across various tissues. Recently, deep learning (DL)-based methods have demonstrated significant…

Image and Video Processing · Electrical Eng. & Systems 2026-01-16 Yiran Sun , Osama Mawlawi

The Task Group 211 report of the American Association of Physicists in Medicine (AAPM) reviewed static segmentation techniques in nuclear positronemission tomography (PET) imaging used in nuclear medicine. These methods, when applied to a…

Medical Physics · Physics 2023-06-29 Philippe Laporte , Claire Cohalan , Jean-François Carrier

Neutrino Deep Inelastic Scattering on nuclei is an essential process to constrain the strange quark parton distribution functions in the proton. The critical component on the way to using the neutrino DIS data in a proton PDF analysis is…

High Energy Physics - Phenomenology · Physics 2015-05-20 K. Kovarik

Neurological Positron Emission Tomography (PET) is a critical imaging modality for diagnosing and studying neurodegenerative diseases like Alzheimer's disease. However, the inherent low spatial resolution of PET images poses significant…

Medical Physics · Physics 2025-02-24 Matthew Tivnan , Quanzheng Li

Positron Emission Tomography (PET) is an important tool for studying Alzheimer's disease (AD). PET scans can be used as diagnostics tools, and to provide molecular characterization of patients with cognitive disorders. However, multiple…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Bo Zhou , Rui Wang , Ming-Kai Chen , Adam P. Mecca , Ryan S. O'Dell , Christopher H. Van Dyck , Richard E. Carson , James S. Duncan , Chi Liu

The synergistic interpretation of anatomical information from computed tomography (CT) and metabolic information from positron emission tomography (PET) is important to oncologic imaging. However, existing deep learning methods for PET/CT…

Image and Video Processing · Electrical Eng. & Systems 2026-05-22 Xiaofeng Liu , Qianru Zhang , Thibault Marin , Menghua Xia , Chi Liu , Georges El Fakhri , Jinsong Ouyang

To obtain high-quality positron emission tomography (PET) scans while reducing radiation exposure to the human body, various approaches have been proposed to reconstruct standard-dose PET (SPET) images from low-dose PET (LPET) images. One…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Zeyu Han , Yuhan Wang , Luping Zhou , Peng Wang , Binyu Yan , Jiliu Zhou , Yan Wang , Dinggang Shen

Positron emission tomography (PET) is the most sensitive molecular imaging modality routinely applied in our modern healthcare. High radioactivity caused by the injected tracer dose is a major concern in PET imaging and limits its clinical…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Yuxin Xue , Yige Peng , Lei Bi , Dagan Feng , Jinman Kim

Numerous oncology indications have extensively quantified metabolically active tumors using positron emission tomography (PET) and computed tomography (CT). F-fluorodeoxyglucose-positron emission tomography (FDG-PET) is frequently utilized…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Sepideh Amiri , Bulat Ibragimov

Multi-modality Fluorodeoxyglucose (FDG) positron emission tomography / computed tomography (PET/CT) has been routinely used in the assessment of common cancers, such as lung cancer, lymphoma, and melanoma. This is mainly attributed to the…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Yige Peng , Jinman Kim , Dagan Feng , Lei Bi

Positron emission tomography (PET) with 18F-Fluorodeoxyglucose (FDG) is an established tool in the diagnostic workup of patients with suspected dementing disorders. However, compared to the routinely available magnetic resonance imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Yitong Li , Ralph Buchert , Benita Schmitz-Koep , Timo Grimmer , Björn Ommer , Dennis M. Hedderich , Igor Yakushev , Christian Wachinger

18F-fluorodeoxyglucose (18F-FDG) Positron Emission Tomography (PET) imaging usually needs a full-dose radioactive tracer to obtain satisfactory diagnostic results, which raises concerns about the potential health risks of radiation…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Yu Fu , Shunjie Dong , Yi Liao , Le Xue , Yuanfan Xu , Feng Li , Qianqian Yang , Tianbai Yu , Mei Tian , Cheng Zhuo

Radiation exposure in positron emission tomography (PET) imaging limits its usage in the studies of radiation-sensitive populations, e.g., pregnant women, children, and adults that require longitudinal imaging. Reducing the PET radiotracer…

Image and Video Processing · Electrical Eng. & Systems 2021-07-22 Viswanath P. Sudarshan , Uddeshya Upadhyay , Gary F. Egan , Zhaolin Chen , Suyash P. Awate

Two widely used methods of determining the etch-rate ratio in poly-ethylene terephthalate (PET) nuclear track detector are compared. Their application in different regimes of ion$\textquoteright$s energy loss is investigated. A new…

Instrumentation and Detectors · Physics 2018-10-17 R. Bhattacharyya , S. Dey , Sanjay K. Ghosh , Akhil Jhingan , A. Maulik , L. Patrizii , Sibaji Raha , D. Syam , V. Togo

To analyze dynamic positron emission tomography (PET) images, various generic multivariate data analysis techniques have been considered in the literature, such as principal component analysis (PCA), independent component analysis (ICA),…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Yanna Cruz Cavalcanti , Thomas Oberlin , Nicolas Dobigeon , Simon Stute , Maria Ribeiro , Clovis Tauber

Accurate attenuation and scatter corrections are crucial in positron emission tomography (PET) imaging for accurate visual interpretation and quantitative analysis. Traditional methods relying on computed tomography (CT) or magnetic…

Medical Physics · Physics 2025-11-14 Min Jeong Cho , Hyeong Seok Shim , Sungyu Kim , Jae Sung Lee

Modern PET systems reach a spatial resolution of 3-10 mm. A disadvantage of this technique is the diffusion of the positron before its decay with a typical range of ca. 1 mm (depending on its energy). This motion and Compton scattering of…

Instrumentation and Detectors · Physics 2012-02-03 C. Lang , D. Habs , P. G. Thirolf , A. Zoglauer

This paper develops a method of biologically guided deep learning for post-radiation FDG-PET image outcome prediction based on pre-radiation images and radiotherapy dose information. Based on the classic reaction-diffusion mechanism, a…

Positron emission tomography (PET) is widely used in various clinical applications, including cancer diagnosis, heart disease and neuro disorders. The use of radioactive tracer in PET imaging raises concerns due to the risk of radiation…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Junshen Xu , Enhao Gong , John Pauly , Greg Zaharchuk