1 code implementation • 14 Apr 2025 • Asiful Arefeen, Saman Khamesian, Maria Adela Grando, Bithika Thompson, Hassan Ghasemzadeh
Similarly, most digital twin approaches in diabetes management simulate only physiological processes.
no code implementations • 24 Mar 2025 • Reza Rahimi Azghan, Nicholas C. Glodosky, Ramesh Kumar Sah, Carrie Cuttler, Ryan McLaughlin, Michael J. Cleveland, Hassan Ghasemzadeh
Therefore, it is hypothesized that cannabis users exhibit distinct physiological stress responses compared to non-users, and these differences would be more pronounced during moments of consumption.
1 code implementation • 20 Mar 2025 • Abdullah Mamun, Diane J. Cook, Hassan Ghasemzadeh
However, effective forecasting systems for treatment adherence based on wearable sensors are still not widely available.
1 code implementation • 5 Mar 2025 • Abdullah Mamun, Asiful Arefeen, Susan B. Racette, Dorothy D. Sears, Corrie M. Whisner, Matthew P. Buman, Hassan Ghasemzadeh
In this paper, we propose GlucoLens, an explainable machine learning approach to predict PAUC and hyperglycemia from diet, activity, and recent glucose patterns.
1 code implementation • 28 Feb 2025 • Saman Khamesian, Asiful Arefeen, Stephanie M. Carpenter, Hassan Ghasemzadeh
We demonstrate that LLMs have strong potential in generating accurate and user-friendly food recommendations, addressing key limitations in existing dietary recommendation systems by providing structured, practical, and scalable meal plans.
1 code implementation • 20 Feb 2025 • Saman Khamesian, Asiful Arefeen, Adela Grando, Bithika Thompson, Hassan Ghasemzadeh
We address this need with GLIMMER, Glucose Level Indicator Model with Modified Error Rate, a machine learning approach for forecasting blood glucose levels.
1 code implementation • 18 Nov 2024 • Shovito Barua Soumma, S M Raihanul Alam, Rudmila Rahman, Umme Niraj Mahi, Abdullah Mamun, Sayyed Mostafa Mostafavi, Hassan Ghasemzadeh
Addressing these gaps, we present FOGSense, a novel FOG detection system designed for uncontrolled, free-living conditions.
1 code implementation • 16 Nov 2024 • Ebrahim Farahmand, Shovito Barua Soumma, Nooshin Taheri Chatrudi, Hassan Ghasemzadeh
The availability of continuous glucose monitors as over-the-counter commodities have created a unique opportunity to monitor a person's blood glucose levels, forecast blood glucose trajectories and provide automated interventions to prevent devastating chronic complications that arise from poor glucose control.
no code implementations • 27 Oct 2024 • Shovito Barua Soumma, Kartik Mangipudi, Daniel Peterson, Shyamal Mehta, Hassan Ghasemzadeh
Parkinson's disease (PD) is a progressive neurological disorder that impacts the quality of life significantly, making in-home monitoring of motor symptoms such as Freezing of Gait (FoG) critical.
1 code implementation • 12 Oct 2024 • Abdullah Mamun, Lawrence D. Devoe, Mark I. Evans, David W. Britt, Judith Klein-Seetharaman, Hassan Ghasemzadeh
AIMEN uses an ensemble of fully-connected neural networks as the backbone for its classification with the data augmentation supported by either ADASYN or CTGAN.
1 code implementation • 12 Oct 2024 • Abdullah Mamun, Krista S. Leonard, Megan E. Petrov, Matthew P. Buman, Hassan Ghasemzadeh
Objective: This research aims to develop a lifestyle intervention system, called MoveSense, that forecasts a patient's activity behavior to allow for early and personalized interventions in real-world clinical environments.
no code implementations • 8 Oct 2024 • Shovito Barua Soumma, Kartik Mangipudi, Daniel Peterson, Shyamal Mehta, Hassan Ghasemzadeh
LIFT-PD is an innovative self-supervised learning framework developed for real-time detection of Freezing of Gait (FoG) in Parkinson's Disease (PD) patients, using a single triaxial accelerometer.
no code implementations • 4 Oct 2024 • Reza Rahimi Azghan, Nicholas C. Glodosky, Ramesh Kumar Sah, Carrie Cuttler, Ryan McLaughlin, Michael J. Cleveland, Hassan Ghasemzadeh
Wearable sensor systems have demonstrated a great potential for real-time, objective monitoring of physiological health to support behavioral interventions.
no code implementations • 2 Oct 2023 • Asiful Arefeen, Hassan Ghasemzadeh
With $82. 8\%$ average validity in the simulation-aided validation, ExAct surpasses the state-of-the-art techniques for generating counterfactual explanations by at least $10\%$.
no code implementations • 16 Mar 2023 • Parker Seegmiller, Joseph Gatto, Madhusudan Basak, Diane Cook, Hassan Ghasemzadeh, John Stankovic, Sarah Preum
Medications often impose temporal constraints on everyday patient activity.
no code implementations • 17 Jan 2023 • Parker Seegmiller, Joseph Gatto, Abdullah Mamun, Hassan Ghasemzadeh, Diane Cook, John Stankovic, Sarah Masud Preum
It also addresses the challenges of accurately predicting RHBs central to MTCs (e. g., medication intake).
no code implementations • 12 Jul 2021 • Ramesh Kumar Sah, Hassan Ghasemzadeh
Stress detection and monitoring is an active area of research with important implications for the personal, professional, and social health of an individual.
1 code implementation • 1 Jul 2021 • Asiful Arefeen, Ali Akbari, Seyed Iman Mirzadeh, Roozbeh Jafari, Behrooz A. Shirazi, Hassan Ghasemzadeh
However, extracting IBIs from noisy signals is challenging since the morphology of the signal is distorted in the presence of the noise.
1 code implementation • 5 Feb 2021 • Anbumalar Saravanan, Justin Sanchez, Hassan Ghasemzadeh, Aurelia Macabasco-O'Connell, Hamed Tabkhi
This paper takes initial strides at designing and evaluating a vision-based system for privacy ensured activity monitoring.
1 code implementation • ICLR 2021 • Seyed Iman Mirzadeh, Mehrdad Farajtabar, Dilan Gorur, Razvan Pascanu, Hassan Ghasemzadeh
Continual (sequential) training and multitask (simultaneous) training are often attempting to solve the same overall objective: to find a solution that performs well on all considered tasks.
1 code implementation • 12 Jul 2020 • Yuchao Ma, Andrew T. Campbell, Diane J. Cook, John Lach, Shwetak N. Patel, Thomas Ploetz, Majid Sarrafzadeh, Donna Spruijt-Metz, Hassan Ghasemzadeh
While activity recognition from inertial sensors holds potential for mobile health, differences in sensing platforms and user movement patterns cause performance degradation.
no code implementations • 19 Jun 2020 • Paratoo Alinia, Ali Samadani, Mladen Milosevic, Hassan Ghasemzadeh, Saman Parvaneh
To answer these important research questions, in this article, we propose a comprehensive approach to design a sensor system that uses a single accelerometer along with machine learning algorithms for in-bed lying posture classification.
4 code implementations • NeurIPS 2020 • Seyed Iman Mirzadeh, Mehrdad Farajtabar, Razvan Pascanu, Hassan Ghasemzadeh
However, there has been limited prior work extensively analyzing the impact that different training regimes -- learning rate, batch size, regularization method-- can have on forgetting.
2 code implementations • 24 Apr 2020 • Seyed-Iman Mirzadeh, Mehrdad Farajtabar, Hassan Ghasemzadeh
However, it is more reliable to preserve the knowledge it has learned from the previous tasks.
no code implementations • 15 Apr 2020 • Niloofar Hezarjaribi, Zhila Esna Ashari, James F. Frenzel, Hassan Ghasemzadeh, Saied Hemati
Our analysis of data collected with 300 participants demonstrate that PerSense predicts answers to commonsense questions with 82. 3% accuracy using a Random Forest classifier.
1 code implementation • 29 Mar 2020 • Marjan Nourollahi, Seyed Ali Rokni, Hassan Ghasemzadeh
To facilitate development of personalized models, we propose PALS, Proximity-based Active Learning on Streaming data, a novel proximity-based model for recognizing eating gestures with the goal of significantly decreasing the need for labeled data with new users.
no code implementations • 17 Mar 2020 • Ramesh Kumar Sah, Hassan Ghasemzadeh
In this work, we take the first stride in studying adversarial transferability in wearable sensor systems from the following perspectives: 1) transferability between machine learning systems, 2) transferability across subjects, 3) transferability across sensor body locations, and 4) transferability across datasets.
no code implementations • 16 Mar 2020 • Parastoo Alinia, Iman Mirzadeh, Hassan Ghasemzadeh
Sensor-based human activity recognition has become a critical component of many emerging applications ranging from behavioral medicine to gaming.
1 code implementation • 28 Jul 2019 • Zhila Esna Ashari, Hassan Ghasemzadeh
This capacity constraint is manifested not only in the number of queries that a person can respond to in a given time-frame but also in the lag between the time that a query is made and when it is responded to.
no code implementations • 7 Jul 2019 • Mahdi Pedram, Mahsan Rofouei, Francesco Fraternali, Zhila Esna Ashari, Hassan Ghasemzadeh
We propose two optimization techniques to minimize memory usage and computation while meeting system timing constraints for real-time classification in wearable systems.
no code implementations • 7 Jul 2019 • Mahdi Pedram, Seyed Ali Rokni, Marjan Nourollahi, Houman Homayoun, Hassan Ghasemzadeh
We propose to transform the activity recognition problem from a multi-class classification problem to a hierarchical model of binary decisions using cascading online binary classifiers.
3 code implementations • 9 Feb 2019 • Seyed-Iman Mirzadeh, Mehrdad Farajtabar, Ang Li, Nir Levine, Akihiro Matsukawa, Hassan Ghasemzadeh
To alleviate this shortcoming, we introduce multi-step knowledge distillation, which employs an intermediate-sized network (teacher assistant) to bridge the gap between the student and the teacher.
no code implementations • 25 Jan 2018 • Seyed Ali Rokni, Marjan Nourollahi, Hassan Ghasemzadeh
A major barrier to the personalized Human Activity Recognition using wearable sensors is that the performance of the recognition model drops significantly upon adoption of the system by new users or changes in physical/ behavioral status of users.