arxivstat.MLeess.SPmath.NAmath.OC2026-07-10
Characterization of the basin of convexity for multi-snapshot spike deconvolution via variable projection
Meghna Kalra, Maxime Ferreira Da Costa, Kiryung Lee
We study the problem of multi-snapshot spike deconvolution, where the goal is to recover the locations of sparse impulses from their noisy convolution with a known point spread function (PSF) across multiple snapshots. We adopt a variable-projection formulation that eliminates th…