Fast finite shearlet transform

S Häuser, G Steidl - arXiv preprint arXiv:1202.1773, 2012 - arxiv.org
In recent years it has turned out that shearlets have the potential to retrieve directional
information so that they became interesting for many applications. Moreover the continuous …

Modern regularization methods for inverse problems

M Benning, M Burger - Acta numerica, 2018 - cambridge.org
Regularization methods are a key tool in the solution of inverse problems. They are used to
introduce prior knowledge and allow a robust approximation of ill-posed (pseudo-) inverses …

Learning the invisible: A hybrid deep learning-shearlet framework for limited angle computed tomography

TA Bubba, G Kutyniok, M Lassas, M März… - Inverse …, 2019 - iopscience.iop.org
The high complexity of various inverse problems poses a significant challenge to model-
based reconstruction schemes, which in such situations often reach their limits. At the same …

Introduction to shearlets

G Kutyniok, D Labate - Shearlets: Multiscale analysis for multivariate data, 2012 - Springer
Shearlets emerged in recent years among the most successful frameworks for the efficient
representation of multidimensional data. Indeed, after it was recognized that traditional …

Sparse regularization in limited angle tomography

J Frikel - Applied and Computational Harmonic Analysis, 2013 - Elsevier
We investigate the reconstruction problem of limited angle tomography. Such problems arise
naturally in applications like digital breast tomosynthesis, dental tomography, electron …

The construction of smooth Parseval frames of shearlets

K Guo, D Labate - Mathematical Modelling of Natural Phenomena, 2013 - cambridge.org
The shearlet representation has gained increasing recognition in recent years as a
framework for the efficient representation of multidimensional data. This representation …

3-D discrete shearlet transform and video processing

PS Negi, D Labate - IEEE transactions on Image Processing, 2012 - ieeexplore.ieee.org
In this paper, we introduce a digital implementation of the 3-D shearlet transform and
illustrate its application to problems of video denoising and enhancement. The shearlet …

Iterative CT reconstruction using shearlet-based regularization

B Vandeghinste, B Goossens… - … on Nuclear Science, 2013 - ieeexplore.ieee.org
Total variation (TV) methods have been proposed to improve the image quality in count-
reduced images, by reducing the variation between neighboring pixels. Although very easy …

Parabolic molecules

P Grohs, G Kutyniok - Foundations of Computational Mathematics, 2014 - Springer
Anisotropic decompositions using representation systems based on parabolic scaling such
as curvelets or shearlets have recently attracted significant attention due to the fact that they …

Discrete shearlet transform on GPU with applications in anomaly detection and denoising

X Gibert, VM Patel, D Labate, R Chellappa - EURASIP Journal on …, 2014 - Springer
Shearlets have emerged in recent years as one of the most successful methods for the
multiscale analysis of multidimensional signals. Unlike wavelets, shearlets form a pyramid of …