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344 results on '"RIESEN, KASPAR"'

2. Bridging Distinct Spaces in Graph-Based Machine Learning

Author

Jia, Linlin, Ning, Xiao, Gaüzère, Benoit, Honeine, Paul, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Lu, Huimin, editor, Blumenstein, Michael, editor, Cho, Sung-Bae, editor, Liu, Cheng-Lin, editor, Yagi, Yasushi, editor, and Kamiya, Tohru, editor

Published
2023
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3. Graph-Based Deep Learning on the Swiss River Network

Author

Fankhauser, Benjamin, Bigler, Vidushi, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vento, Mario, editor, Foggia, Pasquale, editor, Conte, Donatello, editor, and Carletti, Vincenzo, editor

Published
2023
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4. Matching-Graphs for Building Classification Ensembles

Author

Fuchs, Mathias, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vento, Mario, editor, Foggia, Pasquale, editor, Conte, Donatello, editor, and Carletti, Vincenzo, editor

Published
2023
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5. Graph-Based vs. Vector-Based Classification: A Fair Comparison

Author

Gillioz, Anthony, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vento, Mario, editor, Foggia, Pasquale, editor, Conte, Donatello, editor, and Carletti, Vincenzo, editor

Published
2023
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7. Novel Benchmark Data Set for Automatic Error Detection and Correction

Author

Masanti, Corina, Witschel, Hans-Friedrich, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Métais, Elisabeth, editor, Meziane, Farid, editor, Sugumaran, Vijayan, editor, Manning, Warren, editor, and Reiff-Marganiec, Stephan, editor

Published
2023
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8. Graph Augmentation for Neural Networks Using Matching-Graphs

Author

Fuchs, Mathias, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, El Gayar, Neamat, editor, Trentin, Edmondo, editor, Ravanelli, Mirco, editor, and Abbas, Hazem, editor

Published
2023
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13. Graph-Based Offline Signature Verification

Author

Maergner, Paul, Howe, Nicholas R., Riesen, Kaspar, Ingold, Rolf, and Fischer, Andreas

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Graphs provide a powerful representation formalism that offers great promise to benefit tasks like handwritten signature verification. While most state-of-the-art approaches to signature verification rely on fixed-size representations, graphs are flexible in size and allow modeling local features as well as the global structure of the handwriting. In this article, we present two recent graph-based approaches to offline signature verification: keypoint graphs with approximated graph edit distance and inkball models. We provide a comprehensive description of the methods, propose improvements both in terms of computational time and accuracy, and report experimental results for four benchmark datasets. The proposed methods achieve top results for several benchmarks, highlighting the potential of graph-based signature verification.

Published
2019

14. Offline Signature Verification by Combining Graph Edit Distance and Triplet Networks

Author

Maergner, Paul, Pondenkandath, Vinaychandran, Alberti, Michele, Liwicki, Marcus, Riesen, Kaspar, Ingold, Rolf, and Fischer, Andreas

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Biometric authentication by means of handwritten signatures is a challenging pattern recognition task, which aims to infer a writer model from only a handful of genuine signatures. In order to make it more difficult for a forger to attack the verification system, a promising strategy is to combine different writer models. In this work, we propose to complement a recent structural approach to offline signature verification based on graph edit distance with a statistical approach based on metric learning with deep neural networks. On the MCYT and GPDS benchmark datasets, we demonstrate that combining the structural and statistical models leads to significant improvements in performance, profiting from their complementary properties.

Published
2018
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15. Graph Reduction Neural Networks for Structural Pattern Recognition

Author

Gillioz, Anthony, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Krzyzak, Adam, editor, Suen, Ching Y., editor, Torsello, Andrea, editor, and Nobile, Nicola, editor

Published
2022
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16. Augment Small Training Sets Using Matching-Graphs

Author

Fuchs, Mathias, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, El Yacoubi, Mounîm, editor, Granger, Eric, editor, Yuen, Pong Chi, editor, Pal, Umapada, editor, and Vincent, Nicole, editor

Published
2022
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32. Iterative Creation of Matching-Graphs – Finding Relevant Substructures in Graph Sets

Author

Fuchs, Mathias, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Tavares, João Manuel R. S., editor, Papa, João Paulo, editor, and González Hidalgo, Manuel, editor

Published
2021
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33. Graph Embedding in Vector Spaces Using Matching-Graphs

Author

Fuchs, Mathias, Riesen, Kaspar, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Reyes, Nora, editor, Connor, Richard, editor, Kriege, Nils, editor, Kazempour, Daniyal, editor, Bartolini, Ilaria, editor, Schubert, Erich, editor, and Chen, Jian-Jia, editor

Published
2021
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35. A Novel Data Set for Information Retrieval on the Basis of Subgraph Matching

Author

Riesen, Kaspar, Witschel, Hans-Friedrich, Grether, Loris, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Torsello, Andrea, editor, Rossi, Luca, editor, Pelillo, Marcello, editor, Biggio, Battista, editor, and Robles-Kelly, Antonio, editor

Published
2021
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39. KvGR: A Graph-Based Interface for Explorative Sequential Question Answering on Heterogeneous Information Sources

Author

Witschel, Hans Friedrich, Riesen, Kaspar, Grether, Loris, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Jose, Joemon M., editor, Yilmaz, Emine, editor, Magalhães, João, editor, Castells, Pablo, editor, Ferro, Nicola, editor, Silva, Mário J., editor, and Martins, Flávio, editor

Published
2020
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40. Cross-Evaluation of Graph-Based Keyword Spotting in Handwritten Historical Documents

Author

Stauffer, Michael, Maergner, Paul, Fischer, Andreas, Riesen, Kaspar, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Conte, Donatello, editor, Ramel, Jean-Yves, editor, and Foggia, Pasquale, editor

Published
2019
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49. Speeding-Up Graph-Based Keyword Spotting by Quadtree Segmentations

Author

Stauffer, Michael, Fischer, Andreas, Riesen, Kaspar, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Felsberg, Michael, editor, Heyden, Anders, editor, and Krüger, Norbert, editor

Published
2017
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50. Improved Graph Edit Distance Approximation with Simulated Annealing

Author

Riesen, Kaspar, Fischer, Andreas, Bunke, Horst, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Weikum, Gerhard, Series Editor, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Foggia, Pasquale, editor, Liu, Cheng-Lin, editor, and Vento, Mario, editor

Published
2017
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