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To address the issues of stability and fidelity in interpretable learning, a novel interpretable methodology, ensemble interpretation, is presented in this paper which integrates multi-perspective explanation of various interpretation…

Machine Learning · Computer Science 2023-12-12 Chao Min , Guoyong Liao , Guoquan Wen , Yingjun Li , Xing Guo

Multi-dimensional functional data arises in numerous modern scientific experimental and observational studies. In this paper we focus on longitudinal functional data, a structured form of multidimensional functional data. Operating within a…

Methodology · Statistics 2019-09-20 John Shamshoian , Damla Senturk , Shafali Jeste , Donatello Telesca

Estimation of the mean and covariance parameters for functional data is a critical task, with local linear smoothing being a popular choice. In recent years, many scientific domains are producing multivariate functional data for which $p$,…

Statistics Theory · Mathematics 2024-09-24 Alexander Petersen

This study investigates the potential of multimodal data integration, which combines electroencephalogram (EEG) data with sociodemographic characteristics like age, sex, education, and intelligence quotient (IQ), to diagnose mental diseases…

Machine Learning · Computer Science 2025-02-07 Himanshi Singh , Sadhana Tiwari , Sonali Agarwal , Ritesh Chandra , Sanjay Kumar Sonbhadra , Vrijendra Singh

This work is motivated by the need to accurately model a vector of responses related to pediatric functional status using administrative health data from inpatient rehabilitation visits. The components of the responses have known and…

Methodology · Statistics 2023-02-23 Jared D. Huling , Jennifer P. Lundine , Julie C. Leonard

This paper presents a novel approach towards creating a foundational model for aligning neural data and visual stimuli across multimodal representationsof brain activity by leveraging contrastive learning. We used electroencephalography…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Matteo Ferrante , Tommaso Boccato , Grigorii Rashkov , Nicola Toschi

The brain is a system operating on multiple time scales, and characterisation of dynamics across time scales remains a challenge. One framework to study such dynamics is that of fractal geometry. However, currently there exists no…

Neurons and Cognition · Quantitative Biology 2018-12-12 Lucas G. S. França , José G. V. Miranda , Marco Leite , Niraj K. Sharma , Matthew C. Walker , Louis Lemieux , Yujiang Wang

To study the neurophysiological basis of attention deficit hyperactivity disorder (ADHD), clinicians use electroencephalography (EEG) which record neuronal electrical activity on the cortex. Instead of focusing on single-channel spectral…

Applications · Statistics 2025-06-16 Paolo Victor Redondo , Raphael Huser , Hernando Ombao

We propose a novel technique to assess functional brain connectivity in EEG/MEG signals. Our method, called Sparsely-Connected Sources Analysis (SCSA), can overcome the problem of volume conduction by modeling neural data innovatively with…

Methodology · Statistics 2010-08-05 Stefan Haufe , Ryota Tomioka , Guido Nolte , Klaus-Robert Mueller , Motoaki Kawanabe

Electroencephalography (EEG) is a useful way to implicitly monitor the users perceptual state during multimedia consumption. One of the primary challenges for the practical use of EEG-based monitoring is to achieve a satisfactory level of…

Machine Learning · Computer Science 2021-12-07 Soobeom Jang , Seong-Eun Moon , Jong-Seok Lee

In this paper we review existing methods for robust functional principal component analysis (FPCA) and propose a new method for FPCA that can be applied to longitudinal data where only a few observations per trajectory are available. This…

Methodology · Statistics 2020-12-04 Graciela Boente , Matias Salibian-Barrera

Recent advances in deep learning have had a methodological and practical impact on brain-computer interface research. Among the various deep network architectures, convolutional neural networks have been well suited for…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Wonjun Ko , Eunjin Jeon , Seungwoo Jeong , Heung-Il Suk

In this article we present a multivariate model for determining the different syntactic, semantic, and form (surface-structure) processes underlying the comprehension of simple phrases. This model is applied to EEG signals recorded during a…

Computation and Language · Computer Science 2018-04-17 Sabine Ploux , Viviane Déprez

In order to develop more precise and functional affective applications, it is necessary to achieve a balance between the psychology and the engineering applied to emotions. Signals from the central and peripheral nervous systems have been…

Human-Computer Interaction · Computer Science 2019-05-02 Jennifer Sorinas , Jose Manuel Ferrández , Eduardo Fernandez

We want to analyse EEG recordings in order to investigate the phonemic categorization at a very early stage of auditory processing. This problem can be modelled by a supervised classification of functional data. Discrimination is explored…

Applications · Statistics 2014-07-07 Irène Gannaz

Every design choice will have different effects on different units. However traditional A/B tests are often underpowered to identify these heterogeneous effects. This is especially true when the set of unit-level attributes is…

Artificial Intelligence · Computer Science 2016-11-09 Alexander Peysakhovich , Akos Lada

We consider analysis of dependent functional data that are correlated because of a longitudinal-based design: each subject is observed at repeated time visits and for each visit we record a functional variable. We propose a novel…

Methodology · Statistics 2015-06-30 So Young Park , Ana-Maria Staicu

This paper focuses on analysis and design of time-varying complex networks having fractional order dynamics. These systems are key in modeling the complex dynamical processes arising in several natural and man made systems. Notably,…

Signal Processing · Electrical Eng. & Systems 2018-09-17 Gaurav Gupta , Sergio Pequito , Paul Bogdan

Multimodal features play a key role in wearable sensor-based human activity recognition (HAR). Selecting the most salient features adaptively is a promising way to maximize the effectiveness of multimodal sensor data. In this regard, we…

Human-Computer Interaction · Computer Science 2018-05-21 Kaixuan Chen , Lina Yao , Xianzhi Wang , Dalin Zhang , Tao Gu , Zhiwen Yu , Zheng Yang

This paper considers joint analysis of multiple functionally related structures in classification tasks. In particular, our method developed is driven by how functionally correlated brain structures vary together between autism and control…

Machine Learning · Statistics 2021-09-08 Zhiyuan Liu , Jörn Schulz , Mohsen Taheri , Martin Styner , James Damon , Stephen Pizer , J. S. Marron