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Image quality of PET reconstructions is degraded by subject motion occurring during the acquisition. MR-based motion correction approaches have been studied for PET/MR scanners and have been successful at capturing regular motion patterns,…

Automated food intake gesture detection plays a vital role in dietary monitoring, enabling objective and continuous tracking of eating behaviors to support better health outcomes. Wrist-worn inertial measurement units (IMUs) have been…

Machine Learning · Computer Science 2025-07-11 Chunzhuo Wang , Hans Hallez , Bart Vanrumste

We demonstrated the feasibility of using bSSFP acquisitions for off-resonance insensitive high-resolution [6,6'-2H2]-glucose deuterium metabolic imaging (DMI) studies in the healthy human brain at 9.4T. Balanced SSFP acquisitions have…

Tumor motion plays a key role in the safe delivery of Stereotactic Body Radiotherapy (SBRT) for pancreatic cancer. The purpose of this study was to use tumor motion data measured in patients to establish limits on motion magnitude for safe…

We present analysis of bulk and random gas motions in the intracluster medium using high-resolution Eulerian cosmological simulations of sixteen simulated clusters, including both very relaxed and unrelaxed systems and spanning a virial…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 Erwin T. Lau , Andrey V. Kravtsov , Daisuke Nagai

Marker-based Optical Motion Capture (OMC) paired with biomechanical modeling is currently considered the most precise and accurate method for measuring human movement kinematics. However, combining differentiable biomechanical modeling with…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Tim Unger , Arash Sal Moslehian , J. D. Peiffer , Johann Ullrich , Roger Gassert , Olivier Lambercy , R. James Cotton , Chris Awai Easthope

We evaluate a new approach for achieving diffusion MRI data with high spatial resolution, large volume coverage, and fast acquisition speed. A recent method called gSlider-SMS enables whole-brain sub-millimeter diffusion MRI with high…

Image and Video Processing · Electrical Eng. & Systems 2019-08-19 Justin P. Haldar , Qiuyun Fan , Kawin Setsompop

To optimize diffusion MRI acquisition protocols for IMPULSED model at clinical 3T scanner using Bayesian experimental design, enabling accurate cellular-scale parameter estimation under realistic scan time and scanner hardware constraints.…

Background: Real-time (RT) assessment of ventricular volumes and function enables data acquisition during free-breathing. However, in children the requirement for high spatiotemporal resolution requires accelerated imaging techniques. In…

Objective: Probe-based confocal endomicroscopy is an emerging high-magnification optical imaging technique that provides in vivo and in situ cellular-level imaging for real-time assessment of tissue pathology. Endomicroscopy could…

Effective and rapid detection of lesions in the Gastrointestinal tract is critical to gastroenterologist's response to some life-threatening diseases. Wireless Capsule Endoscopy (WCE) has revolutionized traditional endoscopy procedure by…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Sodiq Adewole , Philip Fernandez , Michelle Yeghyayan , James Jablonski , Andrew Copland , Michael Porter , Sana Syed , Donald Brown

The key molecules such as triphosphate (ATP), glutathione (GSH), and homocarnosine (hCs) - central to metabolic processes in the human brain remain elusive or challenging to detect with upfield 1H-MRSI. Traditional 3D 1H-MRSI in vivo faces…

Super-resolution ultrasound can image microvascular structure and flow at sub-wave-diffraction resolution based on localising and tracking microbubbles. Currently, tracking microbubbles accurately under limited imaging frame rates and high…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Biao Huang , Jipeng Yan , Megan Morris , Victoria Sinnett , Navita Somaiah , Meng-Xing Tang

We report on the discovery of broad Balmer absorption lines variability in the QSO SDSS J125942.80+121312.6, based on the optical and near-infrared spectra taken from the SDSS-I, SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS), and…

Astrophysics of Galaxies · Physics 2016-03-16 Xiheng Shi , Hongyan Zhou , Xinwen Shu , Shaohua Zhang , Tuo Ji , Xiang Pan , Luming Sun , Wen Zhao , Lei Hao

Movement-based indices such as moves per minute (MPM) and proportion time moving (PTM) are common methodologies to quantify foraging behaviour. Hundreds of studies have reported these indices without specifying the temporal resolution of…

Quantitative Methods · Quantitative Biology 2018-12-03 Michael Kalyuzhny , Tom Haran , Dror Hawlena

Breast cancer (BC) significantly contributes to cancer-related mortality in women, underscoring the criticality of early detection for optimal patient outcomes. A mammography is a key tool for identifying and diagnosing breast…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Muhammad Yaqub , Feng Jinchao

Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) are an effective tool for studying cardiac function and disease, and hold promise for screening drug effects on human tissue. Changes to motion patterns in these cells…

Tissues and Organs · Quantitative Biology 2024-07-09 Henrik Finsberg , Verena Charwat , Kevin Healy , Samuel Wall

Patient motion during PET is inevitable. Its long acquisition time not only increases the motion and the associated artifacts but also the patient's discomfort, thus PET acceleration is desirable. However, accelerating PET acquisition will…

Image and Video Processing · Electrical Eng. & Systems 2023-02-15 Bo Zhou , Yu-Jung Tsai , Jiazhen Zhang , Xueqi Guo , Huidong Xie , Xiongchao Chen , Tianshun Miao , Yihuan Lu , James S. Duncan , Chi Liu

Eating speed is an important indicator that has been widely investigated in nutritional studies. The relationship between eating speed and several intake-related problems such as obesity, diabetes, and oral health has received increased…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Chunzhuo Wang , T. Sunil Kumar , Walter De Raedt , Guido Camps , Hans Hallez , Bart Vanrumste