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Related papers: Effective bowel motion reduction in mouse abdomina…

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Bone marrow (BM) metabolic quantification with 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET) is of broad clinical significance for accurate assessment of BM at staging and follow-up, especially when immunotherapy is…

In an era marked by a demographic change towards an older population, there is an urgent need to improve nutritional monitoring in view of the increase in frailty. This research aims to enhance the identification of meal-taking activities…

Machine Learning · Computer Science 2024-09-06 Abderrahim Derouiche , Damien Brulin , Eric Campo , Antoine Piau

When treating moving tumors, the precise delivery of proton therapy by pencil beam scanning (PBS) is challenged by the interplay effect. Although several 4D-optimization methods have been proposed, what is the most beneficial motion…

Medical Physics · Physics 2025-01-29 Ivar Bengtsson , Anders Forsgren , Albin Fredriksson

A novel method for fast and high-resolution metabolic imaging, called ECcentric Circle ENcoding TRajectorIes for Compressed sensing (ECCENTRIC), has been developed and implemented at 7 Tesla MRI. ECCENTRIC is a non-Cartesian…

Background: Implementing a standardized 31P-MRS dynamic acquisition protocol to evaluate skeletal muscle energy metabolism and monitor muscle fatigability1,2, while being compatible with various longitudinal clinical studies on diversified…

Purpose: To implement, optimize and test fast interrupted steady-state (FISS) for natively fat-suppressed free-running 5D whole-heart MRI at 1.5T and 3T. Methods: FISS was implemented for fully self-gated free-running cardiac- and…

OBJECTIVE: 2D Ultrasound (US) imaging has been recently investigated as a more accessible alternative to 3D Magnetic Resonance Imaging (MRI) for the estimation of soft issue motion under external mechanical loading. In the context of…

Our study focuses on isolating swallowing dynamics from interfering patient motion in videofluoroscopy, an X-ray technique that records patients swallowing a radiopaque bolus. These recordings capture multiple motion sources, including head…

Image and Video Processing · Electrical Eng. & Systems 2025-10-22 Luisa Neubig , Deirdre Larsen , Takeshi Ikuma , Markus Kopp , Melda Kunduk , Andreas M. Kist

Small intestinal capsule endoscopy is the mainstream method for inspecting small intestinal lesions,but a single small intestinal capsule endoscopy will produce 60,000 - 120,000 images, the majority of which are similar and have no…

Image and Video Processing · Electrical Eng. & Systems 2020-04-07 Rui Nie , Huan Yang , Hejuan Peng , Wenbin Luo , Weiya Fan , Jie Zhang , Jing Liao , Fang Huang , Yufeng Xiao

Background: Cardiovascular magnetic resonance imaging (CMR) is a well established imaging tool for diagnosing and managing cardiac conditions. The integration of exercise stress with CMR (ExCMR) can enhance its diagnostic capacity. Despite…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Preethi Chandrasekaran , Chong Chen , Yingmin Liu , Syed Murtaza Arshad , Christopher Crabtree , Matthew Tong , Yuchi Han , Rizwan Ahmad

Ultrasound localization microscopy offers new radiation-free diagnostic tools for vascular imaging deep within the tissue. Sequential localization of echoes returned from inert microbubbles with low-concentration within the bloodstream…

Medical Physics · Physics 2018-04-11 Oren Solomon , Ruud J. G. van Sloun , Hessel Wijkstra , Massimo Mischi , Yonina C. Eldar

Purpose: Patient movement affects image quality in oral and maxillofacial cone-beam CT imaging. While many efforts are made to minimize the possibility of motion during a scan, relatively little attention has been given to motion…

Medical Physics · Physics 2021-07-27 Tao Sun , Reinhilde Jacobs , Ruben Pauwels , Elisabeth Tijskens , Roger Fulton , Johan Nuyts

Scope: Biomarkers of food intake (BFIs) are useful tools for objective assessment of food intake and compliance. The aim of this study was to discover and identify urinary BFIs for onion. Methods and results: In a randomized controlled…

Proton magnetic resonance spectroscopic imaging (1H-MRSI) at ultra-high field has seen an increase in usage in the preclinical field. Challenges related to long acquisition time and low concentration of brain metabolites in the rodent brain…

Diagnostic ultrasound is a versatile and practical tool in the abdomen, and is particularly vital toward the detection and mitigation of early-stage non-alcoholic fatty liver disease (NAFLD). However, its performance in those with obesity…

Signal Processing · Electrical Eng. & Systems 2024-05-14 Scott Schoen , Viksit Kumar , Yuyang Gu , Sunethra Dayavansha , Rimon Tadross , Mike Washburn , Kai Thomenius , Anthony E. Samir

Effective postprandial glucose control is important to glucose management for subjects with diabetes mellitus. In this work, a data-driven meal bolus decision method is proposed without the need of subject-specific glucose management…

Systems and Control · Electrical Eng. & Systems 2021-01-21 Deheng Cai , Wei Liu , Linong Ji , Dawei Shi

Malignant brain tumors are among the deadliest neoplasms with the lowest survival rates of any cancer type. In considering surgical tumor resection, suboptimal extent of resection is linked to poor clinical outcomes and lower overall…

Image and Video Processing · Electrical Eng. & Systems 2020-09-23 Benjamin R. Ecclestone , Kevan Bell , Saad Abbasi , Deepak Dinakaran , Frank K. H. van Landeghem , John R. Mackey , Paul Fieguth , Parsin Haji Reza

The oral route is the most common choice for drug administration because of convenience, low cost, and high patient compliance, but is also a complex route. The rate of dissolution and gastric emptying of the dissolved active pharmaceutical…

Biological Physics · Physics 2022-08-24 Jae H. Lee , Sharun Kuhar , Jung-Hee Seo , Pankaj J. Pasricha , Rajat Mittal

There is a growing research interest towards the use of wireless IMU sensors to assess disability, monitor progress and provide feedback to patients on range of motion and movement performance during upper body rehabilitation. The quality…

Signal Processing · Electrical Eng. & Systems 2020-11-02 Miloš Ajčević , Manuela Deodato , Luigi Murena , Aleksandar Miladinović , Susanna Mezzarobba , Agostino Accardo

Prostate cancer is one of the most common types of cancer in men. Its diagnosis by biopsy requires a high level of expertise and precision from the surgeon, so the results are highly operator-dependent. The aim of this work is to develop a…