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07/18/2023
Unbiased CLEAN for STIX in Solar Orbiter
Aims: To formulate, implement, and validate a user-independent release o...
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04/03/2023
Mapped Variably Scaled Kernels: Applications to Solar Imaging
Variably scaled kernels and mapped bases constructed via the so-called f...
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01/19/2023
Data-driven kernel designs for optimized greedy schemes: A machine learning perspective
Thanks to their easy implementation via Radial Basis Functions (RBFs), m...
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12/15/2022
Interpolation with the polynomial kernels
The polynomial kernels are widely used in machine learning and they are ...
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04/29/2022
Forward-fitting STIX visibilities
Aima. To determine to what extent the problem of forward fitting visibil...
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09/29/2021
Greedy algorithms for learning via exponential-polynomial splines
Kernel-based schemes are state-of-the-art techniques for learning by dat...
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08/10/2021
Imaging from STIX visibility amplitudes
Aims: To provide the first demonstration of STIX Fourier-transform X-ray...
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07/07/2021
Efficient Reduced Basis Algorithm (ERBA) for kernel-based approximation
The main purpose of this work is the one of providing an efficient schem...
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07/06/2021
Data-driven reduced order modeling of environmental hydrodynamics using deep autoencoders and neural ODEs
Model reduction for fluid flow simulation continues to be of great inter...
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02/07/2021
Feature augmentation for the inversion of the Fourier transform with limited data
We investigate an interpolation/extrapolation method that, given scatter...
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12/27/2020
Visibility Interpolation in Solar Hard X-ray Imaging: Application to RHESSI and STIX
Space telescopes for solar hard X-ray imaging provide observations made ...
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12/23/2020