activity
20082021
most citedD-ADMM: A Communication-Efficient Distributed Algorithm For Separable Optimization

375 citations · 783 across the 14 of their papers we have counts for

collaborators

16 papers

cs.LG2021

COCO Denoiser: Using Co-Coercivity for Variance Reduction in Stochastic Convex Optimization

Manuel Madeira, Renato Negrinho, João Xavier +1

First-order methods for stochastic optimization have undeniable relevance, in part due to their pivotal role in machine learning. Variance reduction for these algorithms has become…

cs.LG2021★ 1 cited

Sparse Continuous Distributions and Fenchel-Young Losses

André F. T. Martins, Marcos Treviso, António Farinhas +4

Exponential families are widely used in machine learning, including many distributions in continuous and discrete domains (e.g., Gaussian, Dirichlet, Poisson, and categorical distr…

cs.CV2021

Multimodal Continuous Visual Attention Mechanisms

António Farinhas, André F. T. Martins, Pedro M. Q. Aguiar

Visual attention mechanisms are a key component of neural network models for computer vision. By focusing on a discrete set of objects or image regions, these mechanisms identify t…

cs.LG2020★ 16 cited

Sparse and Continuous Attention Mechanisms

André F. T. Martins, António Farinhas, Marcos Treviso +3

Exponential families are widely used in machine learning; they include many distributions in continuous and discrete domains (e.g., Gaussian, Dirichlet, Poisson, and categorical di…

cs.CV2019

Seeing without Looking: Contextual Rescoring of Object Detections for AP Maximization

Lourenço V. Pato, Renato Negrinho, Pedro M. Q. Aguiar

The majority of current object detectors lack context: class predictions are made independently from other detections. We propose to incorporate context in object detection by post…

cs.MM2014

Maximizing compression efficiency through block rotation

Rui F. C. Guerreiro, Pedro M. Q. Aguiar

The Discrete Cosine Transform (DCT) is widely used in lossy image and video compression schemes, e.g., JPEG and MPEG. In this paper, we show that the compression efficiency of the…