Multi-snapshot spike deconvolution via variable projection has an explicit basin of convexity whose radius is controlled by the PSF spectrum, spike separation, and amplitude dynamic range.
The stability of nonlinear least squares problems and the Cramér-Rao bound
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Characterization of the Basin of Convexity for Multi-Snapshot Spike Deconvolution via Variable Projection
Multi-snapshot spike deconvolution via variable projection has an explicit basin of convexity whose radius is controlled by the PSF spectrum, spike separation, and amplitude dynamic range.