p-exponent and p-leaders, Part I: Negative pointwise regularity

S Jaffard, C Melot, R Leonarduzzi, H Wendt… - Physica A: Statistical …, 2016 - Elsevier
Multifractal analysis aims to characterize signals, functions, images or fields, via the
fluctuations of their local regularity along time or space, hence capturing crucial features of …

p-exponent and p-leaders, Part II: Multifractal analysis. Relations to detrended fluctuation analysis

R Leonarduzzi, H Wendt, P Abry, S Jaffard… - Physica A: Statistical …, 2016 - Elsevier
Multifractal analysis studies signals, functions, images or fields via the fluctuations of their
local regularity along time or space, which capture crucial features of their temporal/spatial …

Extending multifractal analysis to negative regularity: p-exponents and p-leaders

R Leonarduzzi, H Wendt, S Jaffard… - … , Speech and Signal …, 2014 - ieeexplore.ieee.org
Scale invariance is a widely used concept to analyze real-world data from many different
applications and multifractal analysis has become the standard corresponding signal …

Finite-Resolution Effects in -Leader Multifractal Analysis

R Leonarduzzi, H Wendt, P Abry… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Multifractal analysis has become a standard signal processing tool, for which a promising
new formulation, the pleader multifractal formalism, has recently been proposed. It relies on …

Irregularities and scaling in signal and image processing: multifractal analysis

P Abry, S Jaffard, H Wendt - Benoit Mandelbrot: a life in many …, 2015 - World Scientific
B. Mandelbrot gave a new birth to the notions of scale invariance, self-similarity and non-
integer dimensions, gathering them as the founding corner-stones used to build up fractal …

2-microlocal analysis and application in signal processing

B Guiheneuf, JL Véhel - International Wavelet Conference, 1998 - hal.univ-smb.fr
This paper introduces the use of 2-microlocal analysis in signal processing. 2-microlocal
analysis is a powerful tool for studying the regularity of solutions of partial differential …

Contributions of Wavelet Leaders and Bootstrap to Multifractal Analysis: Images, Estimation Performance, Dependence Structure and Vanishing Moments. Confidence …

H Wendt - 2008 - theses.hal.science
Scale invariance constitutes a paradigm that is frequently used for the analysis and
modeling of empirical data in various applications of very different natures. Multifractal …

Multifractal formalism by enforcing the universal behavior of scaling functions

P Mukli, Z Nagy, A Eke - Physica A: Statistical Mechanics and its …, 2015 - Elsevier
Despite its solid foundations, multifractal analysis is still a challenging task. The
'inversed'singularity spectrum is a major pitfall in standard multifractal analyses especially …

Multifractal formalisms for multivariate analysis

S Jaffard, S Seuret, H Wendt… - Proceedings of the …, 2019 - royalsocietypublishing.org
Multifractal analysis, that quantifies the fluctuations of regularities in time series or textures,
has become a standard signal/image processing tool. It has been successfully used in a …

Multifractal characterization for bivariate data

R Leonarduzzi, P Abry, S Roux, H Wendt… - 2018 26th European …, 2018 - ieeexplore.ieee.org
Multifractal analysis is a reference tool for the analysis of data based on local regularity,
which has been proven useful in an increasing number of applications. However, in its …