Mário A. T. Figueiredo — accepted AI-conference papers

2017

Adaptive Consensus ADMM for Distributed Optimization

Zheng Xu, Gavin Taylor, Hao Li, Mário A. T. Figueiredo, Xiaoming Yuan, Tom Goldstein

ICML 2017poster

The alternating direction method of multipliers (ADMM) is commonly used for distributed model fitting problems, but its performance and reliability depend strongly on user-defined penalty parameters. We study distributed ADMM methods that boost performance by using different fine-tuned algorithm par…

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2017

Synthesis versus analysis in patch-based image priors

Mário A. T. Figueiredo

ICASSP 2017accepted

In global models/priors (for example, using wavelet frames), there is a well known analysis vs synthesis dichotomy in the way signal/image priors are formulated. In patch-based image models/priors, this dichotomy is also present in the choice of how each patch is modeled. This paper shows that there…

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