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Related papers: Monitoring Head Movement in a Brain PET Scanner

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Timely implementation of interventions to slow cognitive decline among older adults requires accurate monitoring to detect changes in cognitive function. Data gathered using wearable devices that can continuously monitor factors known to be…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Collin Sakal , Tingyou Li , Juan Li , Xinyue Li

A brain--machine interface (BMI) based on motor imagery (MI) enables the control of devices using brain signals while the subject imagines performing a movement. It plays a vital role in prosthesis control and motor rehabilitation. To…

Signal Processing · Electrical Eng. & Systems 2024-09-20 Xiaying Wang , Michael Hersche , Michele Magno , Luca Benini

Head motion is an omnipresent confounder of magnetic resonance image (MRI) analyses as it systematically affects morphometric measurements, even when visual quality control is performed. In order to estimate subtle head motion, that remains…

Image and Video Processing · Electrical Eng. & Systems 2026-04-03 Clemens Pollak , David Kügler , Martin Reuter

Position emission tomography (PET) is widely used in clinics and research due to its quantitative merits and high sensitivity, but suffers from low signal-to-noise ratio (SNR). Recently convolutional neural networks (CNNs) have been widely…

Image and Video Processing · Electrical Eng. & Systems 2023-12-12 Se-In Jang , Tinsu Pan , Ye Li , Pedram Heidari , Junyu Chen , Quanzheng Li , Kuang Gong

The Localization of the target object for data retrieval is a key issue in the Intelligent and Connected Transportation Systems (ICTS). However, due to lack of intelligence in the traditional transportation system, it can take tremendous…

Computer Vision and Pattern Recognition · Computer Science 2018-04-09 Sijia Chen , Bin Song , Jie Guo , Xiaojiang Du , Mohsen Guizani

It is well known that machine learning models require a high amount of annotated data to obtain optimal performance. Labelling Computed Tomography (CT) data can be a particularly challenging task due to its volumetric nature and often…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Franko Hrzic , Mohammadreza Movahhedi , Ophelie Lavoie-Gagne , Ata Kiapour

Inertial sensors are widely used in a variety of applications. A common task is orientation estimation. To tackle such a task, attitude and heading reference system algorithms are applied. Relying on the gyroscope readings, the…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Aleksei Zakharchenko , Sharon Farber , Itzik Klein

Controlling hand exoskeletons for assisting impaired patients in grasping tasks is challenging because it is difficult to infer user intent. We hypothesize that majority of daily grasping tasks fall into a small set of categories or modes…

Robotics · Computer Science 2024-11-14 Jackson M. Steinkamp , Laura J. Brattain , Conor J. Walsh , Robert D. Howe

Tracking the movement of human eyes is expected to yield natural and convenient applications based on human-computer interaction (HCI). To implement an effective eye-tracking system, eye movements must be recorded without placing any…

Human-Computer Interaction · Computer Science 2016-11-30 Manh Duong Phung , Quang Vinh Tran , Kenji Hara , Hirohito Inagaki , Masanobu Abe

Rb-82 is a radioactive isotope widely used for cardiac PET imaging. Despite numerous benefits of 82-Rb, there are several factors that limits its image quality and quantitative accuracy. First, the short half-life of 82-Rb results in noisy…

Existing approaches for predictive process monitoring are sub-symbolic, meaning that they learn correlations between descriptive features and a target feature fully based on data, e.g., predicting the surgical needs of a patient based on…

Artificial Intelligence · Computer Science 2026-04-01 Fabrizio De Santis , Gyunam Park , Wil M. P. van der Aalst , Francesco Zanichelli

In this study, the absorbed dose calculation for the cerebral region is refined using the Geant4 software, along with the ROOT and GATE programs. This approach provides a detailed statistical analysis of positron trajectories within a water…

Medical Physics · Physics 2025-05-06 Walter Sabalza-Castillejo , Miguel Martin-Landrove

A rise in blood flow velocity variations (i.e., pulsatility) in the brain, caused by the stiffening of upstream arteries, is associated with cognitive impairment and neurodegenerative diseases. The study of this phenomenon requires…

Neuronavigation is widely used in biomedical research and interventions to guide the precise placement of instruments around the head to support procedures such as transcranial magnetic stimulation. Traditional systems, however, rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ziye Xie , Oded Schlesinger , Raj Kundu , Jessica Y. Choi , Pablo Iturralde , Dennis A. Turner , Stefan M. Goetz , Guillermo Sapiro , Angel V. Peterchev , J. Matias Di Martino

Activity recognition computer vision algorithms can be used to detect the presence of autism-related behaviors, including what are termed "restricted and repetitive behaviors", or stimming, by diagnostic instruments. The limited data that…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Peter Washington , Aaron Kline , Onur Cezmi Mutlu , Emilie Leblanc , Cathy Hou , Nate Stockham , Kelley Paskov , Brianna Chrisman , Dennis P. Wall

Continuous monitoring of non-invasive skin sympathetic nerve activity (SKNA) holds promise for understanding the sympathetic nervous system (SNS) dynamics in various physiological and pathological conditions. However, muscle noise artifacts…

Machine Learning · Computer Science 2024-10-30 Farnoush Baghestani , Mahdi Pirayesh Shirazi Nejad , Youngsun Kong , Ki H. Chon

A common sensing problem is to use a set of stationary tracking locations to monitor a collection of moving devices: Given $n$ objects that need to be tracked, each following its own trajectory, and $m$ stationary traffic control stations,…

Computational Geometry · Computer Science 2026-03-06 Chek-Manh Loi , Michael Perk , Malte Hoffmann , Sándor Fekete

One of most popular experimental techniques for investigation of brain activity is the so-called method of evoked potentials: the subject repeatedly makes some movements (by his/her finger) whereas brain activity and some auxiliary signals…

Applications · Statistics 2017-06-01 A. K. Gorshenin , V. Yu. Korolev , A. Yu. Korchagin , T. V. Zakharova , A. I. Zeifman

Robots applied in therapeutic scenarios, for instance in the therapy of individuals with Autism Spectrum Disorder, are sometimes used for imitation learning activities in which a person needs to repeat motions by the robot. To simplify the…

Robotics · Computer Science 2022-07-26 Natalia Quiroga , Alex Mitrevski , Paul G. Plöger

Human activity recognition is increasingly vital for supporting independent living, particularly for the elderly and those in need of assistance. Domestic service robots with monitoring capabilities can enhance safety and provide essential…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Vincent Gbouna Zakka , Luis J. Manso , Zhuangzhuang Dai
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