Search Results for author: Nils Strodthoff

Found 29 papers, 19 papers with code

Assessing the importance of long-range correlations for deep-learning-based sleep staging

no code implementations22 Feb 2024 Tiezhi Wang, Nils Strodthoff

This study aims to elucidate the significance of long-range correlations for deep-learning-based sleep staging.

EEG Sleep Staging +1

Decoupling Pixel Flipping and Occlusion Strategy for Consistent XAI Benchmarks

1 code implementation12 Jan 2024 Stefan Blücher, Johanna Vielhaben, Nils Strodthoff

The R-OMS score enables a systematic comparison of occlusion strategies and resolves the disagreement problem by grouping consistent PF rankings.

Using explainable AI to investigate electrocardiogram changes during healthy aging -- from expert features to raw signals

1 code implementation11 Oct 2023 Gabriel Ott, Yannik Schaubelt, Juan Miguel Lopez Alcaraz, Wilhelm Haverkamp, Nils Strodthoff

In this paper we present the following contributions: (1) We employ a deep-learning model and a tree-based model to analyze ECG data from a robust dataset of healthy individuals across varying ages in both raw signals and ECG feature format.

S4Sleep: Elucidating the design space of deep-learning-based sleep stage classification models

1 code implementation10 Oct 2023 Tiezhi Wang, Nils Strodthoff

Scoring sleep stages in polysomnography recordings is a time-consuming task plagued by significant inter-rater variability.

Sleep Staging Time Series

Insights Into the Inner Workings of Transformer Models for Protein Function Prediction

1 code implementation7 Sep 2023 Markus Wenzel, Erik Grüner, Nils Strodthoff

Motivation: We explored how explainable artificial intelligence (XAI) can help to shed light into the inner workings of neural networks for protein function prediction, by extending the widely used XAI method of integrated gradients such that latent representations inside of transformer models, which were finetuned to Gene Ontology term and Enzyme Commission number prediction, can be inspected too.

Explainable artificial intelligence Explainable Artificial Intelligence (XAI) +1

Towards quantitative precision for ECG analysis: Leveraging state space models, self-supervision and patient metadata

1 code implementation29 Aug 2023 Temesgen Mehari, Nils Strodthoff

These components consistently enhance performance beyond the existing state-of-the-art, which is predominantly based on convolutional models.

Benchmarking Self-Supervised Learning

Explaining Deep Learning for ECG Analysis: Building Blocks for Auditing and Knowledge Discovery

1 code implementation26 May 2023 Patrick Wagner, Temesgen Mehari, Wilhelm Haverkamp, Nils Strodthoff

Furthermore, we demonstrate how these XAI techniques can be utilized for knowledge discovery, such as identifying subtypes of myocardial infarction.

Explainable Artificial Intelligence (XAI)

Multi-dimensional concept discovery (MCD): A unifying framework with completeness guarantees

1 code implementation27 Jan 2023 Johanna Vielhaben, Stefan Blücher, Nils Strodthoff

For the trustworthy application of XAI, in particular for high-stake decisions, a more global model understanding is required.

Explainable Artificial Intelligence (XAI)

Diffusion-based Conditional ECG Generation with Structured State Space Models

1 code implementation19 Jan 2023 Juan Miguel Lopez Alcaraz, Nils Strodthoff

Synthetic data generation is a promising solution to address privacy issues with the distribution of sensitive health data.

Synthetic Data Generation Time Series +1

Advancing the State-of-the-Art for ECG Analysis through Structured State Space Models

1 code implementation14 Nov 2022 Temesgen Mehari, Nils Strodthoff

The field of deep-learning-based ECG analysis has been largely dominated by convolutional architectures.

ECG Classification Time Series +1

Diffusion-based Time Series Imputation and Forecasting with Structured State Space Models

1 code implementation19 Aug 2022 Juan Miguel Lopez Alcaraz, Nils Strodthoff

The imputation of missing values represents a significant obstacle for many real-world data analysis pipelines.

Imputation Time Series +1

From Modern CNNs to Vision Transformers: Assessing the Performance, Robustness, and Classification Strategies of Deep Learning Models in Histopathology

1 code implementation11 Apr 2022 Maximilian Springenberg, Annika Frommholz, Markus Wenzel, Eva Weicken, Jackie Ma, Nils Strodthoff

While machine learning is currently transforming the field of histopathology, the domain lacks a comprehensive evaluation of state-of-the-art models based on essential but complementary quality requirements beyond a mere classification accuracy.

Benchmarking Classification +2

Sparse Subspace Clustering for Concept Discovery (SSCCD)

no code implementations11 Mar 2022 Johanna Vielhaben, Stefan Blücher, Nils Strodthoff

We empirically demonstrate the soundness of the proposed Sparse Subspace Clustering for Concept Discovery (SSCCD) method for a variety of different image classification tasks.

Clustering Explainable Artificial Intelligence (XAI) +1

On the Robustness of Pretraining and Self-Supervision for a Deep Learning-based Analysis of Diabetic Retinopathy

no code implementations25 Jun 2021 Vignesh Srinivasan, Nils Strodthoff, Jackie Ma, Alexander Binder, Klaus-Robert Müller, Wojciech Samek

Our results indicate that models initialized from ImageNet pretraining report a significant increase in performance, generalization and robustness to image distortions.

Contrastive Learning Diabetic Retinopathy Grading

Predicting the Binding of SARS-CoV-2 Peptides to the Major Histocompatibility Complex with Recurrent Neural Networks

1 code implementation16 Apr 2021 Johanna Vielhaben, Markus Wenzel, Eva Weicken, Nils Strodthoff

Predicting the binding of viral peptides to the major histocompatibility complex with machine learning can potentially extend the computational immunology toolkit for vaccine development, and serve as a key component in the fight against a pandemic.

Self-supervised representation learning from 12-lead ECG data

1 code implementation23 Mar 2021 Temesgen Mehari, Nils Strodthoff

In a first step, we learn contrastive representations and evaluate their quality based on linear evaluation performance on a recently established, comprehensive, clinical ECG classification task.

ECG Classification Representation Learning +1

PredDiff: Explanations and Interactions from Conditional Expectations

2 code implementations26 Feb 2021 Stefan Blücher, Johanna Vielhaben, Nils Strodthoff

PredDiff is a model-agnostic, local attribution method that is firmly rooted in probability theory.

regression

Generative Neural Samplers for the Quantum Heisenberg Chain

1 code implementation18 Dec 2020 Johanna Vielhaben, Nils Strodthoff

Generative neural samplers offer a complementary approach to Monte Carlo methods for problems in statistical physics and quantum field theory.

Inferring respiratory and circulatory parameters from electrical impedance tomography with deep recurrent models

no code implementations19 Oct 2020 Nils Strodthoff, Claas Strodthoff, Tobias Becher, Norbert Weiler, Inéz Frerichs

Electrical impedance tomography (EIT) is a noninvasive imaging modality that allows a continuous assessment of changes in regional bioimpedance of different organs.

Deep Learning for ECG Analysis: Benchmarks and Insights from PTB-XL

2 code implementations28 Apr 2020 Nils Strodthoff, Patrick Wagner, Tobias Schaeffter, Wojciech Samek

Electrocardiography is a very common, non-invasive diagnostic procedure and its interpretation is increasingly supported by automatic interpretation algorithms.

Benchmarking Gender Prediction +1

Towards Novel Insights in Lattice Field Theory with Explainable Machine Learning

no code implementations3 Mar 2020 Stefan Bluecher, Lukas Kades, Jan M. Pawlowski, Nils Strodthoff, Julian M. Urban

Machine learning has the potential to aid our understanding of phase structures in lattice quantum field theories through the statistical analysis of Monte Carlo samples.

BIG-bench Machine Learning Representation Learning

Asymptotically unbiased estimation of physical observables with neural samplers

no code implementations29 Oct 2019 Kim A. Nicoli, Shinichi Nakajima, Nils Strodthoff, Wojciech Samek, Klaus-Robert Müller, Pan Kessel

We propose a general framework for the estimation of observables with generative neural samplers focusing on modern deep generative neural networks that provide an exact sampling probability.

Achieving Generalizable Robustness of Deep Neural Networks by Stability Training

no code implementations3 Jun 2019 Jan Laermann, Wojciech Samek, Nils Strodthoff

We study the recently introduced stability training as a general-purpose method to increase the robustness of deep neural networks against input perturbations.

Data Augmentation General Classification +1

Comment on "Solving Statistical Mechanics Using VANs": Introducing saVANt - VANs Enhanced by Importance and MCMC Sampling

no code implementations26 Mar 2019 Kim Nicoli, Pan Kessel, Nils Strodthoff, Wojciech Samek, Klaus-Robert Müller, Shinichi Nakajima

In this comment on "Solving Statistical Mechanics Using Variational Autoregressive Networks" by Wu et al., we propose a subtle yet powerful modification of their approach.

Enhanced Machine Learning Techniques for Early HARQ Feedback Prediction in 5G

no code implementations27 Jul 2018 Nils Strodthoff, Barış Göktepe, Thomas Schierl, Cornelius Hellge, Wojciech Samek

We investigate Early Hybrid Automatic Repeat reQuest (E-HARQ) feedback schemes enhanced by machine learning techniques as a path towards ultra-reliable and low-latency communication (URLLC).

BIG-bench Machine Learning General Classification +1

Detecting and interpreting myocardial infarction using fully convolutional neural networks

no code implementations18 Jun 2018 Nils Strodthoff, Claas Strodthoff

Objective: We aim to provide an algorithm for the detection of myocardial infarction that operates directly on ECG data without any preprocessing and to investigate its decision criteria.

Specificity

FormTracer - A Mathematica Tracing Package Using FORM

1 code implementation28 Oct 2016 Anton K. Cyrol, Mario Mitter, Nils Strodthoff

We present FormTracer, a high-performance, general purpose, easy-to-use Mathematica tracing package which uses FORM.

High Energy Physics - Phenomenology High Energy Physics - Theory

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