Search Results for author: Rui Henriques

Found 11 papers, 5 papers with code

Integrating Statistical Significance and Discriminative Power in Pattern Discovery

1 code implementation22 Jan 2024 Leonardo Alexandre, Rafael S. Costa, Rui Henriques

Pattern discovery plays a central role in both descriptive and predictive tasks across multiple domains.

Descriptive

TriSig: Assessing the statistical significance of triclusters

1 code implementation1 Jun 2023 Leonardo Alexandre, Rafael S. Costa, Rui Henriques

This work aims at proposing a statistical frame to assess the probability of patterns in tensor data to deviate from null expectations, extending well-established principles for assessing the statistical significance of patterns in matrix data.

User-Specific Bicluster-based Collaborative Filtering: Handling Preference Locality, Sparsity and Subjectivity

no code implementations15 Nov 2022 Miguel G. Silva, Rui Henriques, Sara C. Madeira

Collaborative Filtering (CF), the most common approach to build Recommender Systems, became pervasive in our daily lives as consumers of products and services.

Collaborative Filtering Recommendation Systems

EEG to fMRI Synthesis Benefits from Attentional Graphs of Electrode Relationships

no code implementations7 Mar 2022 David Calhas, Rui Henriques

In addition, we observe that haemodynamic activity at the scalp, in contrast with sub-cortical regions, is relevant to the learned shared space.

EEG regression +1

On the Role of Multi-Objective Optimization to the Transit Network Design Problem

no code implementations27 Jan 2022 Vasco D. Silva, Anna Finamore, Rui Henriques

Then, Genetic Algorithms are used, considering both single and multi objective approaches, to redesign the bus network that better fits the observed traffic demand.

Fitting Regularized Population Dynamics with Neural Differential Equations

no code implementations NeurIPS Workshop DLDE 2021 David Calhas, Rui Henriques

Neural differential equations (neural DEs) are yet to see success in its application as interpretable autoencoders/descriptors, where they directly model a population of signals with the learned vector field.

DI2: prior-free and multi-item discretization ofbiomedical data and its applications

1 code implementation7 Mar 2021 Leonardo Alexandre, Rafael S. Costa, Rui Henriques

Motivation: A considerable number of data mining approaches for biomedical data analysis, including state-of-the-art associative models, require a form of data discretization.

EEG to fMRI Synthesis: Is Deep Learning a candidate?

no code implementations29 Sep 2020 David Calhas, Rui Henriques

EEG to fMRI synthesis offers a way to enhance and augment brain image data, and guarantee access to more affordable, portable and long-lasting protocols of brain activity monitoring.

EEG Image Generation +3

fMRI Multiple Missing Values Imputation Regularized by a Recurrent Denoiser

1 code implementation26 Sep 2020 David Calhas, Rui Henriques

Functional Magnetic Resonance Imaging (fMRI) is a neuroimaging technique with pivotal importance due to its scientific and clinical applications.

Imputation

On the use of Pairwise Distance Learning for Brain Signal Classification with Limited Observations

1 code implementation5 Jun 2019 David Calhas, Enrique Romero, Rui Henriques

The increasing access to brain signal data using electroencephalography creates new opportunities to study electrophysiological brain activity and perform ambulatory diagnoses of neuronal diseases.

Electroencephalogram (EEG) General Classification

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