Search Results for author: Magnus Jansson

Found 6 papers, 1 papers with code

Model Selection in High-Dimensional Block-Sparse Linear Regression

no code implementations3 Sep 2022 Prakash B. Gohain, Magnus Jansson

In this paper, we tackle the problem of model selection in a general linear regression where the parameter matrix possesses a block-sparse structure, i. e., the non-zero entries occur in clusters or blocks and the number of such non-zero blocks is very small compared to the parameter dimension.

Model Selection regression +1

Robust Information Criterion for Model Selection in Sparse High-Dimensional Linear Regression Models

no code implementations17 Jun 2022 Prakash B. Gohain, Magnus Jansson

In this regard, extended BIC (EBIC), which is an extended version of the original BIC and extended Fisher information criterion (EFIC), which is a combination of EBIC and Fisher information criterion, are consistent estimators of the true model as the number of measurements grows very large.

Model Selection regression

A Connectedness Constraint for Learning Sparse Graphs

1 code implementation29 Aug 2017 Martin Sundin, Arun Venkitaraman, Magnus Jansson, Saikat Chatterjee

We especially show how the constraint relates to the distributed consensus problem and graph Laplacian learning.

Bayesian Learning for Low-Rank matrix reconstruction

no code implementations23 Jan 2015 Martin Sundin, Cristian R. Rojas, Magnus Jansson, Saikat Chatterjee

We develop latent variable models for Bayesian learning based low-rank matrix completion and reconstruction from linear measurements.

Low-Rank Matrix Completion

Combined modeling of sparse and dense noise for improvement of Relevance Vector Machine

no code implementations12 Jan 2015 Martin Sundin, Saikat Chatterjee, Magnus Jansson

Through simulations, we show the performance and computation efficiency of the new RVM in several applications: recovery of sparse and block sparse signals, housing price prediction and image denoising.

Image Denoising

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