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Functional near-infrared spectroscopy (fNIRS) is a non-invasive, low-cost method used to study the brain's blood flow pattern. Such patterns can enable us to classify performed by a subject. In recent research, most classification systems…

Machine Learning · Computer Science 2021-01-18 Sajila D. Wickramaratne , MD Shaad Mahmud

Functional near-infrared spectroscopy (fNIRS) is a non-invasive technique for monitoring brain activity. To better understand the brain, researchers often use deep learning to address the classification challenges of fNIRS data. Our study…

Signal Processing · Electrical Eng. & Systems 2024-11-25 Zhihao Cao

Functional near-infrared spectroscopy (fNIRS) is a valuable non-invasive tool for monitoring brain activity. The classification of fNIRS data in relation to conscious activity holds significance for advancing our understanding of the brain…

Machine Learning · Computer Science 2024-11-25 Zhihao Cao , Zizhou Luo

Functional near-infrared spectroscopy (fNIRS) is a non-invasive, economical method used to study its blood flow pattern. These patterns can be used to classify tasks a subject is performing. Currently, most of the classification systems use…

Machine Learning · Computer Science 2021-01-18 Sajila D. Wickramaratne , Md Shaad Mahmud

Currently self-report pain ratings are the gold standard in clinical pain assessment. However, the development of objective automatic measures of pain could substantially aid pain diagnosis and therapy. Recent neuroimaging studies have…

Image and Video Processing · Electrical Eng. & Systems 2019-07-31 Daniel Lopez-Martinez , Ke Peng , Arielle Lee , David Borsook , Rosalind Picard

Employing deep neural networks for Hyperspectral remote sensing (HSRS) image classification is a challenging task. HSRS images have high dimensionality and a large number of channels with substantial redundancy between channels. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Mohammad Joshaghani , Amirabbas Davari , Faezeh Nejati Hatamian , Andreas Maier , Christian Riess

Feedforward neural networks (FNNs) can be viewed as non-linear regression models, where covariates enter the model through a combination of weighted summations and non-linear functions. Although these models have some similarities to the…

Methodology · Statistics 2024-05-02 Andrew McInerney , Kevin Burke

Brain-Computer Interfaces enable direct communication between the brain and external systems, with functional Near-Infrared Spectroscopy emerging as a portable and non-invasive method for capturing cerebral hemodynamics. This study…

Neurons and Cognition · Quantitative Biology 2025-05-16 Mohammad Ghalavand , Javad Hatami , Seyed Kamaledin Setarehdan , Hananeh Ghalavand

People with Multiple Sclerosis (MS) complain of problems with hand dexterity and cognitive fatigue. However, in many cases, impairments are subtle and difficult to detect. Functional near-infrared spectroscopy (fNIRS) is a non-invasive…

Machine Learning · Computer Science 2025-09-29 Sadman Saumik Islam , Bruna Dalcin Baldasso , Davide Cattaneo , Xianta Jiang , Michelle Ploughman

Functional Near-Infrared Spectroscopy (fNIRS) is a non-invasive, real-time method for monitoring brain activity by measuring hemodynamic responses in the cerebral cortex. However, existing systems are expensive, bulky, and limited to…

Signal Processing · Electrical Eng. & Systems 2025-05-28 Tony Kim , Haotian Liu , Chiung-Ting Huang , Ingrid Wu , Xilin Liu

Bayesian Neural Networks (BNNs) provide a tool to estimate the uncertainty of a neural network by considering a distribution over weights and sampling different models for each input. In this paper, we propose a method for uncertainty…

Machine Learning · Computer Science 2024-10-28 Illia Oleksiienko , Dat Thanh Tran , Alexandros Iosifidis

Stress is known as one of the major factors threatening human health. A large number of studies have been performed in order to either assess or relieve stress by analyzing the brain and heart-related signals. In this study, signals…

Signal Processing · Electrical Eng. & Systems 2020-02-18 Mahya Mirbagheri , Ata Jodeiri , Naser Hakimi , Vahid Zakeri , Seyed Kamaledin Setarehdan

Hyperscanning with functional near-infrared spectroscopy (fNIRS) is an emerging neuroimaging application that measures the nuanced neural signatures underlying social interactions. Researchers have assessed the effect of sex and task type…

Image and Video Processing · Electrical Eng. & Systems 2021-12-09 Liam A. Kruse , Allan L. Reiss , Mykel J. Kochenderfer , Stephanie Balters

The willingness to trust predictions formulated by automatic algorithms is key in a vast number of domains. However, a vast number of deep architectures are only able to formulate predictions without an associated uncertainty. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-09-28 Matteo Ferrante , Tommaso Boccato , Nicola Toschi

Efficiently quantifying predictive uncertainty in medical images remains a challenge. While Bayesian neural networks (BNN) offer predictive uncertainty, they require substantial computational resources to train. Although Bayesian…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Zeinab Abboud , Herve Lombaert , Samuel Kadoury

Bayesian neural networks (BNNs) have recently regained a significant amount of attention in the deep learning community due to the development of scalable approximate Bayesian inference techniques. There are several advantages of using a…

Machine Learning · Statistics 2023-05-02 Aliaksandr Hubin , Geir Storvik

Uncertainty quantification is vital for safety-critical Deep Learning applications like medical image segmentation. We introduce BA U-Net, an uncertainty-aware model for MRI segmentation that integrates Bayesian Neural Networks with…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Lohith Konathala

We propose a new class of Bayesian neural networks (BNNs) that can be trained using noisy data of variable fidelity, and we apply them to learn function approximations as well as to solve inverse problems based on partial differential…

Machine Learning · Computer Science 2021-06-02 Xuhui Meng , Hessam Babaee , George Em Karniadakis

Modern neural networks have found to be miscalibrated in terms of confidence calibration, i.e., their predicted confidence scores do not reflect the observed accuracy or precision. Recent work has introduced methods for post-hoc confidence…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Fabian Küppers , Jan Kronenberger , Jonas Schneider , Anselm Haselhoff

Currently there is no validated objective measure of pain. Recent neuroimaging studies have explored the feasibility of using functional near-infrared spectroscopy (fNIRS) to measure alterations in brain function in evoked and ongoing pain.…

Machine Learning · Computer Science 2018-08-22 Daniel Lopez-Martinez , Ke Peng , Sarah C. Steele , Arielle J. Lee , David Borsook , Rosalind Picard
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