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We present an exact and efficient algorithm for computing the Reeb space of a bivariate PL map. The Reeb space is a topological structure that generalizes the Reeb graph to the setting of multiple scalar-valued functions defined over a…

Computational Geometry · Computer Science 2026-02-26 Petar Hristov , Ingrid Hotz , Talha Bin Masood

We present theory and practice for robust implementations of bivariate Jacobi set and Reeb space algorithms. Robustness is a fundamental topic in computational geometry that deals with the issues of numerical errors and degenerate cases in…

Computational Geometry · Computer Science 2025-10-10 Petar Hristov , Ingrid Hotz , Talha Bin Masood

Topological simplification of scalar and vector fields is well-established as an effective method for analysing and visualising complex data sets. For multi-field data, topological analysis requires simultaneous advances both mathematically…

Computational Geometry · Computer Science 2015-09-16 Amit Chattopadhyay , Hamish Carr , David Duke , Zhao Geng , Osamu Saeki

The Reeb graph of a scalar function defined on a domain gives a topologically meaningful summary of that domain. Reeb graphs have been shown in the past decade to be of great importance in geometric processing, image processing, computer…

Computational Geometry · Computer Science 2020-10-13 Mustafa Hajij , Paul Rosen

A Reeb graph is a graphical representation of a scalar function on a topological space that encodes the topology of the level sets. A Reeb space is a generalization of the Reeb graph to a multiparameter function. In this paper, we propose…

Computational Geometry · Computer Science 2024-10-17 Qingsong Wang , Guanqun Ma , Raghavendra Sridharamurthy , Bei Wang

Searching topological similarity between a pair of shapes or data is an important problem in data analysis and visualization. The problem of computing similarity measures using scalar topology has been studied extensively and proven useful…

Computational Geometry · Computer Science 2020-08-31 Tripti Agarwal , Yashwanth Ramamurthi , Amit Chattopadhyay

The problem of computing topological distance between two scalar fields based on Reeb graphs or contour trees has been studied and applied successfully to various problems in topological shape matching, data analysis, and visualization.…

Graphics · Computer Science 2023-09-12 Yashwanth Ramamurthi , Amit Chattopadhyay

This article proposes to integrate two Reeb graphs with the information of their isosurfaces' inclusion relation. As computing power evolves, there arise numerical data that have small-scale physics inside larger ones -- for example, small…

Computational Geometry · Computer Science 2024-05-28 Akito Fujii , Osamu Saeki , Daisuke Sakurai

This paper presents a new mesh segmentation method that integrates geometrical and topological features through a flexible Reeb graph representation. The algorithm consists of three phases: construction of the Reeb graph using the improved…

Graphics · Computer Science 2025-01-22 Florian Beguet , Sandrine Lanquetin , Romain Raffin

Distance measures play an important role in shape classification and data analysis problems. Topological distances based on Reeb graphs and persistence diagrams have been employed to obtain effective algorithms in shape matching and scalar…

Machine Learning · Computer Science 2023-03-07 Yashwanth Ramamurthi , Amit Chattopadhyay

The Reeb space, which generalizes the notion of a Reeb graph, is one of the few tools in topological data analysis and visualization suitable for the study of multivariate scientific datasets. First introduced by Edelsbrunner et al., it…

Computational Geometry · Computer Science 2018-11-30 Elizabeth Munch , Bei Wang

Reeb graphs are an important tool for abstracting and representing the topological structure of a function defined on a manifold. We have identified three properties for faithfully representing Reeb graphs in a visualization: they should be…

Graphics · Computer Science 2025-09-15 Sefat E. Rahman , Tushar M. Athawale , Paul Rosen

Reeb graphs are simple topological descriptors with applications in many areas like topological data analysis and computational geometry. Despite their prevalence, visualization of Reeb graphs has received less attention. In this paper, we…

Computational Geometry · Computer Science 2025-05-20 Erin Chambers , Brittany Terese Fasy , Erfan Hosseini Sereshgi , Maarten Löffler

We consider the Reeb graph of a thickening of points sampled from an unknown space. Our main contribution is a framework to transfer reconstruction results similar to the well-known work of Niyogi, Smale, and Weinberger to the setting of…

Computational Geometry · Computer Science 2025-12-10 Håvard Bakke Bjerkevik , Nello Blaser , Lars M. Salbu

To investigate the topological structure of planar polygon decomposition on trapezoids, which is formed by height functions. We use the oriented Reeb graph of the function with a marked vertex. We describe all possible optimal Reeb graphs…

Geometric Topology · Mathematics 2024-04-11 Oleksandr Pryshliak , Karolina Haieva

The Reeb space of a smooth function is a topological and combinatoric object and fundamental and important in understanding topological and geometric properties of the manifold of the domain. It is the graph and a topological space endowed…

General Topology · Mathematics 2024-12-29 Naoki Kitazawa

The Reeb graph has been utilized in various applications including the analysis of scalar fields. Recently, research has been focused on using topological signatures such as the Reeb graph to compare multiple scalar fields by defining…

Computational Geometry · Computer Science 2022-10-20 Brian Bollen , Erin Chambers , Joshua A. Levine , Elizabeth Munch

We explore several problems related to ruled polygons. Given a ruling of a polygon $P$, we consider the Reeb graph of $P$ induced by the ruling. We define the Reeb complexity of $P$, which roughly equates to the minimum number of points…

Computational Geometry · Computer Science 2017-07-05 Nicholas J. Cavanna , Marc Khoury , Donald R. Sheehy

As graphical summaries for topological spaces and maps, Reeb graphs are common objects in the computer graphics or topological data analysis literature. Defining good metrics between these objects has become an important question for…

Computational Geometry · Computer Science 2017-03-09 Mathieu Carrière , Steve Oudot

With the popularization of Topological Data Analysis, the Reeb graph has found new applications as a summarization technique in the analysis and visualization of large and complex data, whose usefulness extends beyond just the graph itself.…

Computational Geometry · Computer Science 2020-01-14 Junyi Tu , Mustafa Hajij , Paul Rosen
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