Search Results - "Wirtz, Tim"

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    Distribution of the smallest eigenvalue in the correlated Wishart model by Wirtz, Tim, Guhr, Thomas

    Published in Physical review letters (30-08-2013)
    “…Wishart random matrix theory is of major importance for the analysis of correlated time series. The distribution of the smallest eigenvalue for Wishart…”
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    Journal Article
  3. 3

    Wasserstein dropout by Sicking, Joachim, Akila, Maram, Pintz, Maximilian, Wirtz, Tim, Wrobel, Stefan, Fischer, Asja

    Published in Machine learning (01-05-2024)
    “…Despite of its importance for safe machine learning, uncertainty quantification for neural networks is far from being solved. State-of-the-art approaches to…”
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    Journal Article
  4. 4

    Limiting statistics of the largest and smallest eigenvalues in the correlated Wishart model by Wirtz, Tim, Kieburg, Mario, Guhr, Thomas

    Published in Europhysics letters (01-01-2015)
    “…The correlated Wishart model provides a standard tool for the analysis of correlations in a rich variety of systems. Although much is known for complex…”
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    Journal Article
  5. 5

    The Correlated Jacobi and the Correlated Cauchy–Lorentz Ensembles by Wirtz, Tim, Waltner, Daniel, Kieburg, Mario, Kumar, Santosh

    Published in Journal of statistical physics (01-01-2016)
    “…We calculate the k -point generating function of the correlated Jacobi ensemble using supersymmetric methods. We use the result for complex matrices for k = 1…”
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    Journal Article
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    Street-Map Based Validation of Semantic Segmentation in Autonomous Driving by von Rueden, Laura, Wirtz, Tim, Hueger, Fabian, Schneider, Jan David, Piatkowski, Nico, Bauckhage, Christian

    “…Artificial intelligence for autonomous driving must meet strict requirements on safety and robustness, which motivates the thorough validation of learned…”
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    Conference Proceeding
  7. 7

    Worldsheet operator product expansions and p-point functions in AdS3/CFT2 by Kirsch, Ingo, Wirtz, Tim

    Published in The journal of high energy physics (01-10-2011)
    “…We construct the operator product expansions (OPE) of the chiral primary operators in the worldsheet theory for strings on AdS 3  × S 3  × T 4 . As an…”
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    Journal Article
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    Multi-Agent Neural Rewriter for Vehicle Routing with Limited Disclosure of Costs by Paul, Nathalie, Wirtz, Tim, Wrobel, Stefan, Kister, Alexander

    Published 13-06-2022
    “…We interpret solving the multi-vehicle routing problem as a team Markov game with partially observable costs. For a given set of customers to serve, the…”
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    Journal Article
  9. 9

    Supporting verification of news articles with automated search for semantically similar articles by Gupta, Vishwani, Beckh, Katharina, Giesselbach, Sven, Wegener, Dennis, Wirtz, Tim

    Published 29-03-2021
    “…Fake information poses one of the major threats for society in the 21st century. Identifying misinformation has become a key challenge due to the amount of…”
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    Journal Article
  10. 10

    DenseHMM: Learning Hidden Markov Models by Learning Dense Representations by Sicking, Joachim, Pintz, Maximilian, Akila, Maram, Wirtz, Tim

    Published 17-12-2020
    “…We propose DenseHMM - a modification of Hidden Markov Models (HMMs) that allows to learn dense representations of both the hidden states and the observables…”
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    Journal Article
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    Tailored Uncertainty Estimation for Deep Learning Systems by Sicking, Joachim, Akila, Maram, Schneider, Jan David, Hüger, Fabian, Schlicht, Peter, Wirtz, Tim, Wrobel, Stefan

    Published 29-04-2022
    “…Uncertainty estimation bears the potential to make deep learning (DL) systems more reliable. Standard techniques for uncertainty estimation, however, come…”
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    Journal Article
  12. 12

    Characteristics of Monte Carlo Dropout in Wide Neural Networks by Sicking, Joachim, Akila, Maram, Wirtz, Tim, Houben, Sebastian, Fischer, Asja

    Published 10-07-2020
    “…Monte Carlo (MC) dropout is one of the state-of-the-art approaches for uncertainty estimation in neural networks (NNs). It has been interpreted as…”
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    Journal Article
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    Plants Don't Walk on the Street: Common-Sense Reasoning for Reliable Semantic Segmentation by Adilova, Linara, Schulz, Elena, Akila, Maram, Houben, Sebastian, Schneider, Jan David, Huger, Fabian, Wirtz, Tim

    “…Data-driven sensor interpretation in autonomous driving can lead to highly implausible predictions as can most of the time be verified with common-sense…”
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    Conference Proceeding
  14. 14

    Plants Don't Walk on the Street: Common-Sense Reasoning for Reliable Semantic Segmentation by Adilova, Linara, Schulz, Elena, Akila, Maram, Houben, Sebastian, Schneider, Jan David, Hueger, Fabian, Wirtz, Tim

    Published 19-04-2021
    “…Data-driven sensor interpretation in autonomous driving can lead to highly implausible predictions as can most of the time be verified with common-sense…”
    Get full text
    Journal Article
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    Street-Map Based Validation of Semantic Segmentation in Autonomous Driving by von Rueden, Laura, Wirtz, Tim, Hueger, Fabian, Schneider, Jan David, Piatkowski, Nico, Bauckhage, Christian

    Published 15-04-2021
    “…Artificial intelligence for autonomous driving must meet strict requirements on safety and robustness, which motivates the thorough validation of learned…”
    Get full text
    Journal Article
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    Distribution of the Smallest Eigenvalue in Complex and Real Correlated Wishart Ensembles by Wirtz, Tim, Guhr, Thomas

    Published 11-04-2014
    “…J. Phys. A: Math. Theor. 47 (2014) 075004 For the correlated Gaussian Wishart ensemble we compute the distribution of the smallest eigenvalue and a related gap…”
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    Journal Article
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    Approaching Neural Network Uncertainty Realism by Sicking, Joachim, Kister, Alexander, Fahrland, Matthias, Eickeler, Stefan, Hüger, Fabian, Rüping, Stefan, Schlicht, Peter, Wirtz, Tim

    Published 08-01-2021
    “…Statistical models are inherently uncertain. Quantifying or at least upper-bounding their uncertainties is vital for safety-critical systems such as autonomous…”
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    Journal Article
  18. 18

    A Novel Regression Loss for Non-Parametric Uncertainty Optimization by Sicking, Joachim, Akila, Maram, Pintz, Maximilian, Wirtz, Tim, Fischer, Asja, Wrobel, Stefan

    Published 07-01-2021
    “…Quantification of uncertainty is one of the most promising approaches to establish safe machine learning. Despite its importance, it is far from being…”
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    Journal Article
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    Wasserstein Dropout by Sicking, Joachim, Akila, Maram, Pintz, Maximilian, Wirtz, Tim, Fischer, Asja, Wrobel, Stefan

    Published 23-12-2020
    “…Despite of its importance for safe machine learning, uncertainty quantification for neural networks is far from being solved. State-of-the-art approaches to…”
    Get full text
    Journal Article
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    Towards Map-Based Validation of Semantic Segmentation Masks by von Rueden, Laura, Wirtz, Tim, Hueger, Fabian, Schneider, Jan David, Bauckhage, Christian

    Published 03-11-2020
    “…Artificial intelligence for autonomous driving must meet strict requirements on safety and robustness. We propose to validate machine learning models for…”
    Get full text
    Journal Article