Search Results for author: Samuli Siltanen

Found 6 papers, 1 papers with code

TILT: topological interface recovery in limited-angle tomography

no code implementations25 Oct 2023 Elli Karvonen, Matti Lassas, Pekka Pankka, Samuli Siltanen

A novel reconstruction method is introduced for the severely ill-posed inverse problem of limited-angle tomography.

Helsinki Deblur Challenge 2021: description of photographic data

no code implementations21 May 2021 Markus Juvonen, Samuli Siltanen, Fernando Silva de Moura

The photographic dataset collected for the Helsinki Deblur Challenge 2021 (HDC2021) contains pairs of images taken by two identical cameras of the same target but with different conditions.

Benchmarking Deblurring +1

Deep neural networks for inverse problems with pseudodifferential operators: an application to limited-angle tomography

1 code implementation2 Jun 2020 Tatiana A. Bubba, Mathilde Galinier, Matti Lassas, Marco Prato, Luca Ratti, Samuli Siltanen

We propose a novel convolutional neural network (CNN), called $\Psi$DONet, designed for learning pseudodifferential operators ($\Psi$DOs) in the context of linear inverse problems.

Photographic dataset: playing cards

no code implementations25 Jan 2017 David Villacis, Santeri Kaupinmäki, Samuli Siltanen, Teemu Helenius

This is a photographic dataset collected for testing image processing algorithms.

Photographic dataset: random peppercorns

no code implementations3 Mar 2016 Teemu Helenius, Samuli Siltanen

This is a photographic dataset collected for testing image processing algorithms.

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