Persistent homology of complex networks for dynamic state detection

A Myers, E Munch, FA Khasawneh - Physical Review E, 2019 - APS
In this paper we develop an alternative topological data analysis (TDA) approach for
studying graph representations of time series of dynamical systems. Specifically, we show …

Prediction of cybersickness in virtual environments using topological data analysis and machine learning

A Hadadi, C Guillet, JR Chardonnet… - Frontiers in Virtual …, 2022 - frontiersin.org
Recent significant progress in Virtual Reality (VR) applications and environments raised
several challenges. They proved to have side effects on specific users, thus reducing the …

On the stability of persistent entropy and new summary functions for topological data analysis

N Atienza, R González-Díaz, M Soriano-Trigueros - Pattern Recognition, 2020 - Elsevier
Persistent homology and persistent entropy have recently become useful tools for patter
recognition. In this paper, we find requirements under which persistent entropy is stable to …

Towards personalized diagnosis of glioblastoma in fluid-attenuated inversion recovery (FLAIR) by topological interpretable machine learning

M Rucco, G Viticchi, L Falsetti - Mathematics, 2020 - mdpi.com
Glioblastoma multiforme (GBM) is a fast-growing and highly invasive brain tumor, which
tends to occur in adults between the ages of 45 and 70 and it accounts for 52 percent of all …

Persistent entropy for separating topological features from noise in vietoris-rips complexes

N Atienza, R Gonzalez-Diaz, M Rucco - Journal of Intelligent Information …, 2019 - Springer
Persistent homology studies the evolution of k-dimensional holes along a nested sequence
of simplicial complexes (called a filtration). The set of bars (ie intervals) representing birth …

The data-driven optimization method and its application in feature extraction of ship-radiated noise with sample entropy

Y Li, X Chen, J Yu, X Yang, H Yang - Energies, 2019 - mdpi.com
The data-driven method is an important tool in the field of underwater acoustic signal
processing. In order to realize the feature extraction of ship-radiated noise (S-RN), we …

Multiscale persistent functions for biomolecular structure characterization

K Xia, Z Li, L Mu - Bulletin of mathematical biology, 2018 - Springer
In this paper, we introduce multiscale persistent functions for biomolecular structure
characterization. The essential idea is to combine our multiscale rigidity functions (MRFs) …

On the stability of persistent entropy and new summary functions for TDA

N Atienza, R González-Díaz… - arXiv preprint arXiv …, 2018 - arxiv.org
Persistent homology and persistent entropy have recently become useful tools for patter
recognition. In this paper, we find requirements under which persistent entropy is stable to …

A new entropy based summary function for topological data analysis

N Atienza, R Gonzalez-Diaz… - Electronic Notes in …, 2018 - Elsevier
Topological data analysis (TDA) aims to obtain useful information from data sets using
topological concepts. In particular, it may help to infer from finite sample when a …

Separating topological noise from features using persistent entropy

N Atienza, R Gonzalez-Diaz, M Rucco - Federation of International …, 2016 - Springer
Topology is the branch of mathematics that studies shapes and maps among them. From the
algebraic definition of topology a new set of algorithms have been derived. These algorithms …