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math.OC2021
Subpixel image reconstruction using nonuniform defocused images
Hieu Thao Nguyen, Oleg Soloviev, Jacques Noom +1
This paper considers the problem of reconstructing an object with high-resolution using several low-resolution images, which are degraded due to nonuniform defocus effects caused b…
math.OC2018
Phase retrieval with sparse phase constraint
Hieu Thao Nguyen, D. Russell Luke, Oleg Soloviev +1
For the first time, this paper investigates the phase retrieval problem with the assumption that the phase (of the complex signal) is sparse in contrast to the sparsity assumption…