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X-ray crystallography is the predominant method for obtaining atomic-scale information about biological macromolecules. Despite the success of the technique, obtaining well diffracting crystals still critically limits going from protein to…

The radioactive glucose analogue 2-deoxy-2-[18F]fluoro-D-glucose (FDG) is widely used to reconstruct glucose metabolism and other biological functions in cells and tissues. The analysis of data on the time course of FDG tracer distribution…

Tissues and Organs · Quantitative Biology 2018-03-15 Mara Scussolini , Vanessa Cossu , Cecilia Marini , Gianmario Sambuceti , Giacomo Caviglia

Objective: The design of an Artificial Pancreas (AP) to regulate blood glucose levels requires reliable control methods. Model Predictive Control has emerged as a promising approach for glycemia control. However, model--based control…

Optimization and Control · Mathematics 2022-02-02 Claudia Lopez-Zazueta , Øyvind Stavdahl , Anders Lyngvi Fougner

Wireless capsule endoscopy (WCE) is a process in which a patient swallows a camera-embedded pill-shaped device that passes through the gastrointestinal (GI) tract, captures and transmits images to an external receiver. WCE devices are…

Image and Video Processing · Electrical Eng. & Systems 2019-10-02 Tariq Rahim , Muhammad Arslan Usman , Soo Young Shin

Control of blood glucose is essential for diabetes management. Current digital therapeutic approaches for subjects with Type 1 diabetes mellitus (T1DM) such as the artificial pancreas and insulin bolus calculators leverage machine learning…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Kezhi Li , John Daniels , Chengyuan Liu , Pau Herrero , Pantelis Georgiou

Objective: Numerous glucose prediction algorithm have been proposed to empower type 1 diabetes (T1D) management. Most of these algorithms only account for input such as glucose, insulin and carbohydrate, which limits their performance.…

Tissues and Organs · Quantitative Biology 2024-12-20 Chengyuan Liu , Josep Vehi , Nick Oliver , Pantelis Georgiou , Pau Herrero

Rapid diagnosis of gastric cancer is a great challenge for clinical doctors. Dramatic progress of computer vision on gastric cancer has been made recently and this review focuses on advances during the past five years. Different methods for…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Yihua Sun

Tumor segmentation in medical imaging is crucial and relies on precise delineation. Fluorodeoxyglucose Positron-Emission Tomography (FDG-PET) is widely used in clinical practice to detect metabolically active tumors. However, FDG-PET scans…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Matthias Hadlich , Zdravko Marinov , Rainer Stiefelhagen

Tumor growth is a complex process characterized by uncontrolled cell proliferation and invasion of neighboring tissues. The understanding of these phenomena is of vital importance to establish appropriate diagnosis and therapeutic strategy…

Tissues and Organs · Quantitative Biology 2019-10-23 Miguel Martín-Landrove , Francisco Torres-Hoyos , Antonio Rueda-Toicen

Cancer is a highly heterogeneous condition that can occur almost anywhere in the human body. 18F-fluorodeoxyglucose is an imaging modality commonly used to detect cancer due to its high sensitivity and clear visualisation of the pattern of…

Image and Video Processing · Electrical Eng. & Systems 2023-04-17 Ashay Patel , Petru-Danial Tudiosu , Walter H. L. Pinaya , Gary Cook , Vicky Goh , Sebastien Ourselin , M. Jorge Cardoso

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

A goal of systems biology is to understand the dynamics of intracellular systems. Stochastic chemical kinetic models are often utilized to accurately capture the stochastic nature of these systems due to low numbers of molecules. Collecting…

Computation · Statistics 2015-03-17 Jarad Niemi , Matthew Wheeler

Radiologists can classify a mammogram as normal or abnormal at better than chance levels after less than a second's exposure to the images. In this work, we combine these radiologists' gist inputs into pre-trained machine learning models to…

Medical Physics · Physics 2019-12-12 Skylar W. Wurster , Arkadiusz Sitek , Jian Chen , Karla Evans , Gaeun Kim , Jeremy M. Wolfe

The number of studies on deep learning for medical diagnosis is expanding, and these systems are often claimed to outperform clinicians. However, only a few systems have shown medical efficacy. From this perspective, we examine a wide range…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Numan Saeed , Muhammad Ridzuan , Hussain Alasmawi , Ikboljon Sobirov , Mohammad Yaqub

Objective: To develop an automatic image normalization algorithm for intensity correction of images from breast dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) acquired by different MRI scanners with various imaging…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Jun Zhang , Ashirbani Saha , Brian J. Soher , Maciej A. Mazurowski

In vivo H nuclear magnetic resonance (NMR) spectroscopy is an important tool for performing non-invasive quantitative assessments of brain tumour glucose metabolism. Brain tumours are considered fast-growth tumours because of their high…

Biological Physics · Physics 2010-10-15 Alejandro Chinea Manrique de Lara

The acid-mediated tumor invasion hypothesis proposes that altered glucose metabolism exhibited by the vast majority of tumors leads to increased acid (H+ ion) production which subsequently facilitates tumor invasion [1-3]. The…

Tissues and Organs · Quantitative Biology 2019-06-10 Ahmed M. Fouad

The use of automatic systems in the analysis of medical images has proven to be very useful to radiologists, especially in the framework of screening programs, in which radiologists make their first diagnosis on the basis of images only,…

In this paper, we propose a model of the dynamics of the blood glucose level during an Oral Glucose Tolerance Test (OGTT). This dynamic includes the action of insulin and glucagon in the glucose homeostasis process as the reaction of an…

Applications · Statistics 2021-05-12 Hugo Flores-Arguedas , Marcos A. Capistrán

Dose-response prediction in cancer is an active application field in machine learning. Using large libraries of \textit{in-vitro} drug sensitivity screens, the goal is to develop accurate predictive models that can be used to guide…

Quantitative Methods · Quantitative Biology 2024-07-02 Leiv Rønneberg , Vidhi Lalchand , Paul D. W. Kirk
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