Publications

2024

1. J. Lukasczyk, M. Will, F. Wetzels, G. H. Weber, and C. Garth. ExTreeM: Scalable Augmented Merge Tree Computation via Extremum Graphs. IEEE Transactions on Visualization and Computer Graphics, vol. 30, no. 1, pp. 1085–1094, 2024. 10.1109/TVCG.2023.3326526

   @article{10290925,
     author = {Lukasczyk, Jonas and Will, Michael and Wetzels, Florian and Weber, Gunther H. and Garth, Christoph},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     title = {ExTreeM: Scalable Augmented Merge Tree Computation via Extremum Graphs},
     year = {2024},
     volume = {30},
     number = {1},
     pages = {1085-1094},
     keywords = {Topology;Manifolds;Task analysis;Memory management;Data visualization;Classification algorithms;Data analysis;Scalar field topology;merge trees;persistence pairs;high performance computing},
     doi = {10.1109/TVCG.2023.3326526}
   }
   

2. F. Wetzels, M. Pont, J. Tierny, and C. Garth. Merge Tree Geodesics and Barycenters with Path Mappings. IEEE Transactions on Visualization and Computer Graphics, vol. 30, no. 1, pp. 1095–1105, 2024. 10.1109/TVCG.2023.3326601

   @article{10296528,
     author = {Wetzels, Florian and Pont, Mathieu and Tierny, Julien and Garth, Christoph},
     journal = {IEEE Transactions on Visualization and Computer Graphics},
     title = {Merge Tree Geodesics and Barycenters with Path Mappings},
     year = {2024},
     volume = {30},
     number = {1},
     pages = {1095-1105},
     keywords = {Time series analysis;Data visualization;Level measurement;Task analysis;Layout;Surveys;Interpolation;Topological data analysis;merge trees;scalar data;ensemble data},
     doi = {10.1109/TVCG.2023.3326601}
   }
   

2023

1. F. Wetzels, M. Anders, and C. Garth. Taming Horizontal Instability in Merge Trees: On the Computation of a Comprehensive Deformation-Based Edit Distance. In 2023 Topological Data Analysis and Visualization (TopoInVis), 2023, pp. 82–92. 10.1109/TopoInVis60193.2023.00015

   @inproceedings{10363141,
     author = {Wetzels, Florian and Anders, Markus and Garth, Christoph},
     booktitle = {2023 Topological Data Analysis and Visualization (TopoInVis)},
     title = {Taming Horizontal Instability in Merge Trees: On the Computation of a Comprehensive Deformation-Based Edit Distance},
     year = {2023},
     volume = {},
     number = {},
     pages = {82-92},
     keywords = {Data analysis;Shape;Perturbation methods;Data visualization;Stability analysis;Computational complexity;Scalar data;Topological data analysis;Merge trees;Edit distance},
     doi = {10.1109/TopoInVis60193.2023.00015}
   }
   

2022

1. F. Wetzels and C. Garth. A Deformation-based Edit Distance for Merge Trees. In 2022 Topological Data Analysis and Visualization (TopoInVis), 2022, pp. 29–38. 10.1109/TopoInVis57755.2022.00010

   @inproceedings{9975820,
     author = {Wetzels, Florian and Garth, Christoph},
     booktitle = {2022 Topological Data Analysis and Visualization (TopoInVis)},
     title = {A Deformation-based Edit Distance for Merge Trees},
     year = {2022},
     volume = {},
     number = {},
     pages = {29-38},
     doi = {10.1109/TopoInVis57755.2022.00010}
   }
   

2. F. Wetzels, H. Leitte, and C. Garth. Branch Decomposition-Independent Edit Distances for Merge Trees. Computer Graphics Forum, vol. 41, no. 3, pp. 367–378, 2022. https://doi.org/10.1111/cgf.14547

   @article{https://doi.org/10.1111/cgf.14547,
     author = {Wetzels, Florian and Leitte, Heike and Garth, Christoph},
     title = {Branch Decomposition-Independent Edit Distances for Merge Trees},
     journal = {Computer Graphics Forum},
     volume = {41},
     number = {3},
     pages = {367-378},
     doi = {https://doi.org/10.1111/cgf.14547},
     url = {https://onlinelibrary.wiley.com/doi/abs/10.1111/cgf.14547},
     eprint = {https://onlinelibrary.wiley.com/doi/pdf/10.1111/cgf.14547},
     year = {2022}
   }
   

2021

1. M. Anders, P. Schweitzer, and F. Wetzels. Comparative Design-Choice Analysis of Color Refinement Algorithms Beyond the Worst Case. In 48th International Colloquium on Automata, Languages, and Programming, ICALP 2021, July 12-16, 2021, Glasgow, Scotland (Virtual Conference), 2021, vol. 198, pp. 15:1–15:15. 10.4230/LIPIcs.ICALP.2021.15

   @inproceedings{asw+21,
     author = {Anders, Markus and Schweitzer, Pascal and Wetzels, Florian},
     editor = {Bansal, Nikhil and Merelli, Emanuela and Worrell, James},
     title = {Comparative Design-Choice Analysis of Color Refinement Algorithms
                    Beyond the Worst Case},
     booktitle = {48th International Colloquium on Automata, Languages, and Programming,
                    {ICALP} 2021, July 12-16, 2021, Glasgow, Scotland (Virtual Conference)},
     series = {LIPIcs},
     volume = {198},
     pages = {15:1--15:15},
     publisher = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
     year = {2021},
     url = {https://doi.org/10.4230/LIPIcs.ICALP.2021.15},
     doi = {10.4230/LIPIcs.ICALP.2021.15},
     timestamp = {Tue, 06 Jul 2021 10:05:01 +0200},
     biburl = {https://dblp.org/rec/conf/icalp/AndersSW21.bib},
     bibsource = {dblp computer science bibliography, https://dblp.org}
   }
   

2. A. Lohfink, F. Gartzky, F. Wetzels, L. Vollmer, and C. Garth. Time-Varying Fuzzy Contour Trees. 2021 IEEE Visualization Conference (VIS), pp. 86–90, Oct. 2021. 10.1109/VIS49827.2021.9623286

   @article{lgw+21,
     author = {Lohfink, A. and Gartzky, F. and Wetzels, F. and Vollmer, L. and Garth, C.},
     booktitle = {2021 IEEE Visualization Conference (VIS)},
     title = {Time-Varying Fuzzy Contour Trees},
     year = {2021},
     volume = {},
     issn = {},
     pages = {86-90},
     keywords = {navigation;design methodology;conferences;time series analysis;data visualization;spatial databases;topology},
     doi = {10.1109/VIS49827.2021.9623286},
     url = {https://doi.ieeecomputersociety.org/10.1109/VIS49827.2021.9623286},
     publisher = {IEEE Computer Society},
     address = {Los Alamitos, CA, USA},
     month = oct
   }
   

2020

1. A. P. Lohfink, F. Wetzels, J. Lukasczyk, G. H. Weber, and C. Garth. Fuzzy Contour Trees: Alignment and Joint Layout of Multiple Contour Trees. Comput. Graph. Forum, vol. 39, no. 3, pp. 343–355, 2020. 10.1111/cgf.13985

   @article{lwlw+20,
     author = {Lohfink, Anna Pia and Wetzels, Florian and Lukasczyk, Jonas and Weber, Gunther H. and Garth, Christoph},
     doi = {10.1111/cgf.13985},
     journal = {Comput. Graph. Forum},
     number = {3},
     pages = {343--355},
     timestamp = {Wed, 26 Aug 2020 11:04:47 +0200},
     title = {Fuzzy Contour Trees: Alignment and Joint Layout of
     		  Multiple Contour Trees},
     url = {https://doi.org/10.1111/cgf.13985},
     volume = {39},
     year = {2020}
   }