Search Results for author: Grégoire Montavon

Found 40 papers, 13 papers with code

Layer-wise analysis of deep networks with Gaussian kernels

no code implementations NeurIPS 2010 Grégoire Montavon, Klaus-Robert Müller, Mikio L. Braun

Deep networks can potentially express a learning problem more efficiently than local learning machines.

Wasserstein Training of Boltzmann Machines

no code implementations7 Jul 2015 Grégoire Montavon, Klaus-Robert Müller, Marco Cuturi

The Boltzmann machine provides a useful framework to learn highly complex, multimodal and multiscale data distributions that occur in the real world.

Denoising

Evaluating the visualization of what a Deep Neural Network has learned

1 code implementation21 Sep 2015 Wojciech Samek, Alexander Binder, Grégoire Montavon, Sebastian Bach, Klaus-Robert Müller

Our main result is that the recently proposed Layer-wise Relevance Propagation (LRP) algorithm qualitatively and quantitatively provides a better explanation of what made a DNN arrive at a particular classification decision than the sensitivity-based approach or the deconvolution method.

Classification General Classification +3

Explaining NonLinear Classification Decisions with Deep Taylor Decomposition

4 code implementations8 Dec 2015 Grégoire Montavon, Sebastian Bach, Alexander Binder, Wojciech Samek, Klaus-Robert Müller

Although our focus is on image classification, the method is applicable to a broad set of input data, learning tasks and network architectures.

Action Recognition Classification +3

Layer-wise Relevance Propagation for Neural Networks with Local Renormalization Layers

no code implementations4 Apr 2016 Alexander Binder, Grégoire Montavon, Sebastian Bach, Klaus-Robert Müller, Wojciech Samek

Layer-wise relevance propagation is a framework which allows to decompose the prediction of a deep neural network computed over a sample, e. g. an image, down to relevance scores for the single input dimensions of the sample such as subpixels of an image.

Explaining Predictions of Non-Linear Classifiers in NLP

1 code implementation WS 2016 Leila Arras, Franziska Horn, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

Layer-wise relevance propagation (LRP) is a recently proposed technique for explaining predictions of complex non-linear classifiers in terms of input variables.

General Classification Image Classification

Identifying individual facial expressions by deconstructing a neural network

no code implementations23 Jun 2016 Farhad Arbabzadah, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

We further observe that the explanation method provides important insights into the nature of features of the base model, which allow one to assess the aptitude of the base model for a given transfer learning task.

Attribute Gender Prediction +1

Interpreting the Predictions of Complex ML Models by Layer-wise Relevance Propagation

no code implementations24 Nov 2016 Wojciech Samek, Grégoire Montavon, Alexander Binder, Sebastian Lapuschkin, Klaus-Robert Müller

Complex nonlinear models such as deep neural network (DNNs) have become an important tool for image classification, speech recognition, natural language processing, and many other fields of application.

General Classification Image Classification +2

Wasserstein Training of Restricted Boltzmann Machines

no code implementations NeurIPS 2016 Grégoire Montavon, Klaus-Robert Müller, Marco Cuturi

This metric between observations can then be used to define the Wasserstein distance between the distribution induced by the Boltzmann machine on the one hand, and that given by the training sample on the other hand.

Denoising

Explaining Recurrent Neural Network Predictions in Sentiment Analysis

1 code implementation WS 2017 Leila Arras, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

Recently, a technique called Layer-wise Relevance Propagation (LRP) was shown to deliver insightful explanations in the form of input space relevances for understanding feed-forward neural network classification decisions.

General Classification Interpretable Machine Learning +1

Methods for Interpreting and Understanding Deep Neural Networks

no code implementations24 Jun 2017 Grégoire Montavon, Wojciech Samek, Klaus-Robert Müller

This paper provides an entry point to the problem of interpreting a deep neural network model and explaining its predictions.

Exploring text datasets by visualizing relevant words

2 code implementations17 Jul 2017 Franziska Horn, Leila Arras, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

When working with a new dataset, it is important to first explore and familiarize oneself with it, before applying any advanced machine learning algorithms.

Discovering topics in text datasets by visualizing relevant words

1 code implementation18 Jul 2017 Franziska Horn, Leila Arras, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

When dealing with large collections of documents, it is imperative to quickly get an overview of the texts' contents.

Clustering

Towards Explaining Anomalies: A Deep Taylor Decomposition of One-Class Models

no code implementations16 May 2018 Jacob Kauffmann, Klaus-Robert Müller, Grégoire Montavon

The proposed One-Class DTD is applicable to a number of common distance-based SVM kernels and is able to reliably explain a wide set of data anomalies.

Edge Detection

Understanding Patch-Based Learning by Explaining Predictions

no code implementations11 Jun 2018 Christopher Anders, Grégoire Montavon, Wojciech Samek, Klaus-Robert Müller

We apply the deep Taylor / LRP technique to understand the deep network's classification decisions, and identify a "border effect": a tendency of the classifier to look mainly at the bordering frames of the input.

General Classification

iNNvestigate neural networks!

1 code implementation13 Aug 2018 Maximilian Alber, Sebastian Lapuschkin, Philipp Seegerer, Miriam Hägele, Kristof T. Schütt, Grégoire Montavon, Wojciech Samek, Klaus-Robert Müller, Sven Dähne, Pieter-Jan Kindermans

The presented library iNNvestigate addresses this by providing a common interface and out-of-the- box implementation for many analysis methods, including the reference implementation for PatternNet and PatternAttribution as well as for LRP-methods.

Interpretable Machine Learning

Unmasking Clever Hans Predictors and Assessing What Machines Really Learn

1 code implementation26 Feb 2019 Sebastian Lapuschkin, Stephan Wäldchen, Alexander Binder, Grégoire Montavon, Wojciech Samek, Klaus-Robert Müller

Current learning machines have successfully solved hard application problems, reaching high accuracy and displaying seemingly "intelligent" behavior.

Explaining and Interpreting LSTMs

no code implementations25 Sep 2019 Leila Arras, Jose A. Arjona-Medina, Michael Widrich, Grégoire Montavon, Michael Gillhofer, Klaus-Robert Müller, Sepp Hochreiter, Wojciech Samek

While neural networks have acted as a strong unifying force in the design of modern AI systems, the neural network architectures themselves remain highly heterogeneous due to the variety of tasks to be solved.

Building and Interpreting Deep Similarity Models

1 code implementation11 Mar 2020 Oliver Eberle, Jochen Büttner, Florian Kräutli, Klaus-Robert Müller, Matteo Valleriani, Grégoire Montavon

Many learning algorithms such as kernel machines, nearest neighbors, clustering, or anomaly detection, are based on the concept of 'distance' or 'similarity'.

Anomaly Detection Clustering

Higher-Order Explanations of Graph Neural Networks via Relevant Walks

no code implementations5 Jun 2020 Thomas Schnake, Oliver Eberle, Jonas Lederer, Shinichi Nakajima, Kristof T. Schütt, Klaus-Robert Müller, Grégoire Montavon

In this paper, we show that GNNs can in fact be naturally explained using higher-order expansions, i. e. by identifying groups of edges that jointly contribute to the prediction.

Image Classification Sentiment Analysis

The Clever Hans Effect in Anomaly Detection

no code implementations18 Jun 2020 Jacob Kauffmann, Lukas Ruff, Grégoire Montavon, Klaus-Robert Müller

The 'Clever Hans' effect occurs when the learned model produces correct predictions based on the 'wrong' features.

Anomaly Detection Explainable Artificial Intelligence (XAI) +1

GraphKKE: Graph Kernel Koopman Embedding for Human Microbiome Analysis

1 code implementation12 Aug 2020 Kateryna Melnyk, Stefan Klus, Grégoire Montavon, Tim Conrad

We demonstrate that our method can capture temporary changes in the time-evolving graph on both created synthetic data and real-world data.

A Unifying Review of Deep and Shallow Anomaly Detection

no code implementations24 Sep 2020 Lukas Ruff, Jacob R. Kauffmann, Robert A. Vandermeulen, Grégoire Montavon, Wojciech Samek, Marius Kloft, Thomas G. Dietterich, Klaus-Robert Müller

Deep learning approaches to anomaly detection have recently improved the state of the art in detection performance on complex datasets such as large collections of images or text.

One-Class Classification

Learning Domain Invariant Representations by Joint Wasserstein Distance Minimization

1 code implementation9 Jun 2021 Léo Andeol, Yusei Kawakami, Yuichiro Wada, Takafumi Kanamori, Klaus-Robert Müller, Grégoire Montavon

However, common ML losses do not give strong guarantees on how consistently the ML model performs for different domains, in particular, whether the model performs well on a domain at the expense of its performance on another domain.

Deep learning for surrogate modelling of 2D mantle convection

no code implementations23 Aug 2021 Siddhant Agarwal, Nicola Tosi, Pan Kessel, Doris Breuer, Grégoire Montavon

Using a dataset of 10, 525 two-dimensional simulations of the thermal evolution of the mantle of a Mars-like planet, we show that deep learning techniques can produce reliable parameterized surrogates (i. e. surrogates that predict state variables such as temperature based only on parameters) of the underlying partial differential equations.

Shortcomings of Top-Down Randomization-Based Sanity Checks for Evaluations of Deep Neural Network Explanations

no code implementations CVPR 2023 Alexander Binder, Leander Weber, Sebastian Lapuschkin, Grégoire Montavon, Klaus-Robert Müller, Wojciech Samek

To address shortcomings of this test, we start by observing an experimental gap in the ranking of explanation methods between randomization-based sanity checks [1] and model output faithfulness measures (e. g. [25]).

Disentangled Explanations of Neural Network Predictions by Finding Relevant Subspaces

no code implementations30 Dec 2022 Pattarawat Chormai, Jan Herrmann, Klaus-Robert Müller, Grégoire Montavon

Explanations often take the form of a heatmap identifying input features (e. g. pixels) that are relevant to the model's decision.

Explainable AI for Time Series via Virtual Inspection Layers

no code implementations11 Mar 2023 Johanna Vielhaben, Sebastian Lapuschkin, Grégoire Montavon, Wojciech Samek

In this way, we extend the applicability of a family of XAI methods to domains (e. g. speech) where the input is only interpretable after a transformation.

Explainable artificial intelligence Explainable Artificial Intelligence (XAI) +3

Preemptively Pruning Clever-Hans Strategies in Deep Neural Networks

no code implementations12 Apr 2023 Lorenz Linhardt, Klaus-Robert Müller, Grégoire Montavon

In this paper, we demonstrate that acceptance of explanations by the user is not a guarantee for a machine learning model to be robust against Clever Hans effects, which may remain undetected.

Towards Fixing Clever-Hans Predictors with Counterfactual Knowledge Distillation

no code implementations2 Oct 2023 Sidney Bender, Christopher J. Anders, Pattarawatt Chormai, Heike Marxfeld, Jan Herrmann, Grégoire Montavon

This paper introduces a novel technique called counterfactual knowledge distillation (CFKD) to detect and remove reliance on confounders in deep learning models with the help of human expert feedback.

counterfactual Knowledge Distillation

Insightful analysis of historical sources at scales beyond human capabilities using unsupervised Machine Learning and XAI

no code implementations13 Oct 2023 Oliver Eberle, Jochen Büttner, Hassan El-Hajj, Grégoire Montavon, Klaus-Robert Müller, Matteo Valleriani

An ML based analysis of these tables helps to unveil important facets of the spatio-temporal evolution of knowledge and innovation in the field of mathematical astronomy in the period, as taught at European universities.

Astronomy

Explaining Predictive Uncertainty by Exposing Second-Order Effects

no code implementations30 Jan 2024 Florian Bley, Sebastian Lapuschkin, Wojciech Samek, Grégoire Montavon

So far, the question of explaining predictive uncertainty, i. e. why a model 'doubts', has been scarcely studied.

XpertAI: uncovering model strategies for sub-manifolds

no code implementations12 Mar 2024 Simon Letzgus, Klaus-Robert Müller, Grégoire Montavon

In regression, explanations need to be precisely formulated to address specific user queries (e. g.\ distinguishing between `Why is the output above 0?'

regression

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