Panos P. Markopoulos

activity

20132020

L_{1}

-subspace Signal Processing

171 citations · 321 across the 4 of their papers we have counts for

collaborators

Showing 2016Show all

2 papers · 1 filter

cs.DS2016★ 126 cited

Efficient L1-Norm Principal-Component Analysis via Bit Flipping

Panos P. Markopoulos, Sandipan Kundu, Shubham Chamadia +1

It was shown recently that the $K$ L1-norm principal components (L1-PCs) of a real-valued data matrix $X \in R^{D \times N}$ ( $N$ data samples of $D$ dimensions) ca…

math.ST2016

Uniformly most powerful unbiased test for conditional independence in Gaussian graphical model

Koldanov Petr, Koldanov Alexander, Kalyagin Valeriy +1

Model selection for Gaussian concentration graph is based on multiple testing of pairwise conditional independence. In practical applications partial correlation tests are widely u…