Search Results for author: João Domingos

Found 4 papers, 0 papers with code

Outlier-resilient model fitting via percentile losses: Methods for general and convex residuals

no code implementations15 May 2024 João Domingos, João Xavier

We consider the problem of robustly fitting a model to data that includes outliers by formulating a percentile optimization problem.

Robust Target Localization in 2D: A Value-at-Risk Approach

no code implementations2 Jul 2023 João Domingos, João Xavier

To study the VaR formulation, we start by designing a majorizer set that contains any solution of a general percentile problem.

Portfolio Optimization

Distributed detection of ARMA signals

no code implementations14 Apr 2023 João Domingos, João Xavier

While regime (a) spans staple results in large deviation theory, regime (b) is new in distributed detection and is elicited by the ARMA setup.

Graph Fourier Transform: A Stable Approximation

no code implementations14 Jan 2020 João Domingos, José M. F. Moura

The (right) eigenvectors of the shift $A$ (graph spectral components) diagonalize $A$ and lead to a graph Fourier basis $F$ that provides a graph spectral representation of the graph signal.

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