6 citations · 14 across the 27 of their papers we have counts for
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math.OC2019
The dual approach to non-negative super-resolution: impact on primal reconstruction accuracy
Stephane Chretien, Andrew Thompson, Bogdan Toader
We study the problem of super-resolution, where we recover the locations and weights of non-negative point sources from a few samples of their convolution with a Gaussian kernel. I…
cs.LG2019
Revisiting clustering as matrix factorisation on the Stiefel manifold
Stéphane Chrétien, Benjamin Guedj
This paper studies clustering for possibly high dimensional data (e.g. images, time series, gene expression data, and many other settings), and rephrase it as low rank matrix estim…