activity
20122026
most citedUnexpected Topology of the Temperature Fluctuations in the Cosmic Microwave Background

34 citations · 49 across the 5 of their papers we have counts for

collaborators

10 papers

cs.CV2026

GPU-Accelerated Computation of Persistent Homology for Topological Analysis of Image Data

Fan Wang, Hubert Wagner, Rezaul Chowdhury +1

In recent years, persistent homology has seen rapid adoption in deep learning, yet its computation remains a major bottleneck in network training. This paper introduces TopoGPU, a…

cs.CG2022

GPU Computation of the Euler Characteristic Curve for Imaging Data

Fan Wang, Hubert Wagner, Chao Chen

Persistent homology is perhaps the most popular and useful tool offered by topological data analysis, with point-cloud data being the most common setup. Its older cousin, the Euler…

cs.LG2021★ 2 cited

Topological Detection of Trojaned Neural Networks

Songzhu Zheng, Yikai Zhang, Hubert Wagner +2

Deep neural networks are known to have security issues. One particular threat is the Trojan attack. It occurs when the attackers stealthily manipulate the model's behavior through…

cs.CG2019★ 3 cited

Topological Data Analysis in Information Space

Herbert Edelsbrunner, Ziga Virk, Hubert Wagner

Various kinds of data are routinely represented as discrete probability distributions. Examples include text documents summarized by histograms of word occurrences and images repre…

astro-ph.CO2018★ 34 cited

Unexpected Topology of the Temperature Fluctuations in the Cosmic Microwave Background

Pratyush Pranav, Robert J. Adler, Thomas Buchert +5

We study the topology generated by the temperature fluctuations of the Cosmic Microwave Background (CMB) radiation, as quantified by the number of components and holes, formally gi…

cs.CV2017★ 10 cited

Streaming Algorithm for Euler Characteristic Curves of Multidimensional Images

Teresa Heiss, Hubert Wagner

We present an efficient algorithm to compute Euler characteristic curves of gray scale images of arbitrary dimension. In various applications the Euler characteristic curve is used…