72 citations · 157 across the 23 of their papers we have counts for
Showing 2018Show all
4 papers · 1 filter
cs.IT2018
Multi-kernel unmixing and super-resolution using the Modified Matrix Pencil method
Stéphane Chrétien, Hemant Tyagi
Consider groups of point sources or spike trains, with the group represented by . For a function , let $g_l(t) = g(…
math.OC2018
Sparse non-negative super-resolution -- simplified and stabilised
Armin Eftekhari, Jared Tanner, Andrew Thompson +2
The convolution of a discrete measure, , with a local window function, , is a common model for a measurement device whose resolution is substantia…
stat.ML2018★ 12 cited
Provably robust estimation of modulo 1 samples of a smooth function with applications to phase unwrapping
Mihai Cucuringu, Hemant Tyagi
Consider an unknown smooth function , and say we are given noisy mod 1 samples of , i.e., , for $x_i \in [0,1]…
math.NA2018
Learning general sparse additive models from point queries in high dimensions
Hemant Tyagi, Jan Vybiral
We consider the problem of learning a -variate function defined on the cube , where the algorithm is assumed to have black box access to sampl…