The topology toolkit

J Tierny, G Favelier, JA Levine… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
This system paper presents the Topology ToolKit (TTK), a software platform designed for the
topological analysis of scalar data in scientific visualization. While topological data analysis …

A survey of topology‐based methods in visualization

C Heine, H Leitte, M Hlawitschka… - Computer Graphics …, 2016 - Wiley Online Library
This paper presents the state of the art in the area of topology‐based visualization. It
describes the process and results of an extensive annotation for generating a definition and …

Topology-based individual tree segmentation for automated processing of terrestrial laser scanning point clouds

X Xu, F Iuricich, K Calders, J Armston… - International Journal of …, 2023 - Elsevier
Terrestrial laser scanning (TLS) is a ground-based approach to rapidly acquire 3D point
clouds via Light Detection and Ranging (LiDAR) technologies. Quantifying tree-scale …

Progressive wasserstein barycenters of persistence diagrams

J Vidal, J Budin, J Tierny - IEEE transactions on visualization …, 2019 - ieeexplore.ieee.org
This paper presents an efficient algorithm for the progressive approximation of Wasserstein
barycenters of persistence diagrams, with applications to the visual analysis of ensemble …

Task-based augmented merge trees with fibonacci heaps

C Gueunet, P Fortin, J Jomier… - 2017 IEEE 7th …, 2017 - ieeexplore.ieee.org
This paper presents a new algorithm for the fast, shared memory multi-core computation of
augmented merge trees on triangulations. In contrast to most existing parallel algorithms …

Wasserstein distances, geodesics and barycenters of merge trees

M Pont, J Vidal, J Delon, J Tierny - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper presents a unified computational framework for the estimation of distances,
geodesics and barycenters of merge trees. We extend recent work on the edit distance 104 …

Principal geodesic analysis of merge trees (and persistence diagrams)

M Pont, J Vidal, J Tierny - IEEE Transactions on Visualization …, 2022 - ieeexplore.ieee.org
This article presents a computational framework for the Principal Geodesic Analysis of
merge trees (MT-PGA), a novel adaptation of the celebrated Principal Component Analysis …

Lifted Wasserstein matcher for fast and robust topology tracking

M Soler, M Plainchault, B Conche… - 2018 IEEE 8th …, 2018 - ieeexplore.ieee.org
This paper presents a robust and efficient method for tracking topological features in time-
varying scalar data. Structures are tracked based on the optimal matching between …

Contour forests: Fast multi-threaded augmented contour trees

C Gueunet, P Fortin, J Jomier… - 2016 IEEE 6th …, 2016 - ieeexplore.ieee.org
This paper presents a new algorithm for the fast, shared memory multi-threaded computation
of contour trees on tetrahedral meshes. In contrast to previous multi-threaded algorithms, our …

Discrete morse sandwich: Fast computation of persistence diagrams for scalar data–an algorithm and a benchmark

P Guillou, J Vidal, J Tierny - IEEE Transactions on Visualization …, 2023 - ieeexplore.ieee.org
This paper introduces an efficient algorithm for persistence diagram computation, given an
input piecewise linear scalar field defined on a-dimensional simplicial complex, with. Our …