Search Results for author: Shayan Aziznejad

Found 5 papers, 1 papers with code

Coupled Splines for Sparse Curve Fitting

no code implementations3 Feb 2022 Icíar LLoréns Jover, Thomas Debarre, Shayan Aziznejad, Michael Unser

We prove that an optimal solution to the inverse problem is a closed curve with spline components.

Continuous-Domain Formulation of Inverse Problems for Composite Sparse-Plus-Smooth Signals

no code implementations24 Mar 2021 Thomas Debarre, Shayan Aziznejad, Michael Unser

We present a novel framework for the reconstruction of 1D composite signals assumed to be a mixture of two additive components, one sparse and the other smooth, given a finite number of linear measurements.

Deep Neural Networks with Trainable Activations and Controlled Lipschitz Constant

no code implementations17 Jan 2020 Shayan Aziznejad, Harshit Gupta, Joaquim Campos, Michael Unser

To that end, we first establish a global bound for the Lipschitz constant of neural networks.

Multi-Kernel Regression with Sparsity Constraint

no code implementations2 Nov 2018 Shayan Aziznejad, Michael Unser

In this paper, we provide a Banach-space formulation of supervised learning with generalized total-variation (gTV) regularization.

regression

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