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Persistent homology is a method for computing the topological features present in a given data. Recently, there has been much interest in the integration of persistent homology as a computational step in neural networks or deep learning. In…

Machine Learning · Computer Science 2020-11-17 Padraig Corcoran , Bailin Deng

Persistent homology is a central methodology in topological data analysis that has been successfully implemented in many fields and is becoming increasingly popular and relevant. The output of persistent homology is a persistence diagram --…

Statistics Theory · Mathematics 2024-04-24 Konstantin Häberle , Barbara Bravi , Anthea Monod

Using software UDEC to simulate the instability failure process of slope under seismic load, studing the dynamic response of slope failure, obtaining the deformation characteristics and displacement cloud map of slope, then analyzing the…

Geophysics · Physics 2020-10-02 Shengdong Zhang , Shihui You , Longfei Chen , Xiaofei Liu

Persistent homology is a natural tool for probing the topological characteristics of weighted graphs, essentially focusing on their $0$-dimensional homology. While this area has been substantially studied, we present a new approach to…

Algebraic Topology · Mathematics 2023-10-03 Omer Bobrowski , Primoz Skraba

Among the different types of skin cancer, melanoma is considered to be the deadliest and is difficult to treat at advanced stages. Detection of melanoma at earlier stages can lead to reduced mortality rates. Desktop-based computer-aided…

Image and Video Processing · Electrical Eng. & Systems 2022-05-26 Upender Kalwa , Christopher Legner , Taejoon Kong , Santosh Pandey

Persistent homology has emerged as a popular technique for the topological simplification of big data, including biomolecular data. Multidimensional persistence bears considerable promise to bridge the gap between geometry and topology.…

Biomolecules · Quantitative Biology 2014-12-25 Kelin Xia , Guo-Wei Wei

In this article, we describe the design and implementation of a publicly accessible dermatology image analysis benchmark challenge. The goal of the challenge is to sup- port research and development of algorithms for automated diagnosis of…

Computer Vision and Pattern Recognition · Computer Science 2016-05-05 David Gutman , Noel C. F. Codella , Emre Celebi , Brian Helba , Michael Marchetti , Nabin Mishra , Allan Halpern

We use persistent homology along with the eigenfunctions of the Laplacian to study similarity amongst triangulated 2-manifolds. Our method relies on studying the lower-star filtration induced by the eigenfunctions of the Laplacian. This…

Machine Learning · Statistics 2019-04-25 Yunhao Zhang , Haowen Liu , Paul Rosen , Mustafa Hajij

Now that disease-modifying therapies for Alzheimer disease have been approved by regulatory agencies, the early, objective, and accurate clinical diagnosis of AD based on the lowest-cost measurement modalities possible has become an…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Faisal Ahmed , Taymaz Akan , Fatih Gelir , Owen T. Carmichael , Elizabeth A. Disbrow , Steven A. Conrad , Mohammad A. N. Bhuiyan

We introduce a conceptually simple and efficient algorithm for seamless parametrization, a key element in constructing quad layouts and texture charts on surfaces. More specifically, we consider the construction of parametrizations with…

Graphics · Computer Science 2024-08-01 Ryan Capouellez , Denis Zorin

Leukemia is a hematologic cancer which develops in blood tissue and triggers rapid production of immature and abnormal shaped white blood cells. Based on statistics it is found that the leukemia is one of the leading causes of death in men…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Sachin Kumar , Sumita Mishra , Pallavi Asthana , Pragya

Topological data analysis is becoming increasingly relevant to support the analysis of unstructured data sets. A common assumption in data analysis is that the data set is a sample---not necessarily a uniform one---of some high-dimensional…

Algebraic Topology · Mathematics 2021-01-20 Bastian Rieck , Markus Banagl , Filip Sadlo , Heike Leitte

We propose a functorial framework for persistent homology based on finite topological spaces and their associated posets. Starting from a finite metric space, we associate a filtration of finite topologies whose structure maps are…

Algebraic Topology · Mathematics 2026-02-24 Selçuk Kayacan

This article introduces an algorithm to compute the persistent homology of a filtered complex with various coefficient fields in a single matrix reduction. The algorithm is output-sensitive in the total number of distinct persistent…

Computational Geometry · Computer Science 2020-01-10 Jean-Daniel Boissonnat , Clément Maria

Identifying driver genes is crucial for understanding oncogenesis and developing targeted cancer therapies. Driver discovery methods using protein or pathway networks rely on traditional network science measures, focusing on nodes, edges,…

Molecular Networks · Quantitative Biology 2024-10-01 Rodrigo Henrique Ramos , Yago Augusto Bardelotte , Cynthia de Oliveira Lage Ferreira , Adenilso Simao

Persistent homology analysis, a recently developed computational method in algebraic topology, is applied to the study of the phase transitions undergone by the so-called XY-mean field model and by the phi^4 lattice model, respectively. For…

Persistent homology, the study of holes that appear in data as one thickens balls centered around its points over time, has theoretically guaranteed stability. That is, small data perturbations guarantee small changes in the lifetimes of…

Algebraic Topology · Mathematics 2026-04-21 Bala Krishnamoorthy , Elizabeth P. Thompson

We study the persistent homology of random \v{C}ech complexes. Generalizing a method of Penrose for studying random geometric graphs, we first describe an appropriate theoretical framework in which we can state and address our main…

Algebraic Topology · Mathematics 2018-01-26 Ulrich Bauer , Florian Pausinger

Persistent homology is a popular and useful tool for analysing finite metric spaces, revealing features that can be used to distinguish sets of unlabeled points and as input into machine learning pipelines. The famous stability theorem of…

Computational Geometry · Computer Science 2024-05-10 Philip Smith , Vitaliy Kurlin

In this paper we introduce a statistic, the persistent homology transform (PHT), to model surfaces in $\mathbb{R}^3$ and shapes in $\mathbb{R}^2$. This statistic is a collection of persistence diagrams - multiscale topological summaries…

Statistics Theory · Mathematics 2014-07-16 Katharine Turner , Sayan Mukherjee , Doug M Boyer