Search Results for author: Christoph-Nikolas Straehle

Found 10 papers, 2 papers with code

Learning Game-Theoretic Models of Multiagent Trajectories Using Implicit Layers

2 code implementations17 Aug 2020 Philipp Geiger, Christoph-Nikolas Straehle

For prediction of interacting agents' trajectories, we propose an end-to-end trainable architecture that hybridizes neural nets with game-theoretic reasoning, has interpretable intermediate representations, and transfers to downstream decision making.

Decision Making Interpretable Machine Learning

Conditional Flow Variational Autoencoders for Structured Sequence Prediction

no code implementations24 Aug 2019 Apratim Bhattacharyya, Michael Hanselmann, Mario Fritz, Bernt Schiele, Christoph-Nikolas Straehle

Prediction of future states of the environment and interacting agents is a key competence required for autonomous agents to operate successfully in the real world.

Trajectory Prediction

Non-cooperative Multi-agent Systems with Exploring Agents

no code implementations25 May 2020 Jalal Etesami, Christoph-Nikolas Straehle

This leads to a set of coupled Bellman equations that describes the behavior of the agents.

Haar Wavelet based Block Autoregressive Flows for Trajectories

no code implementations21 Sep 2020 Apratim Bhattacharyya, Christoph-Nikolas Straehle, Mario Fritz, Bernt Schiele

This yields an exact inference method that models trajectories at different spatio-temporal resolutions in a hierarchical manner.

State-Only Imitation Learning by Trajectory Distribution Matching

no code implementations29 Sep 2021 Damian Boborzi, Christoph-Nikolas Straehle, Jens Stefan Buchner, Lars Mikelsons

Our training objective minimizes the Kulback-Leibler divergence between the policy and expert state transition trajectories which can be optimized in a non-adversarial fashion.

Continuous Control Imitation Learning

Imitation Learning by State-Only Distribution Matching

no code implementations9 Feb 2022 Damian Boborzi, Christoph-Nikolas Straehle, Jens S. Buchner, Lars Mikelsons

We propose a non-adversarial learning-from-observations approach, together with an interpretable convergence and performance metric.

Continuous Control Imitation Learning

Fail-Safe Adversarial Generative Imitation Learning

1 code implementation3 Mar 2022 Philipp Geiger, Christoph-Nikolas Straehle

For flexible yet safe imitation learning (IL), we propose theory and a modular method, with a safety layer that enables a closed-form probability density/gradient of the safe generative continuous policy, end-to-end generative adversarial training, and worst-case safety guarantees.

Imitation Learning

Positive Difference Distribution for Image Outlier Detection using Normalizing Flows and Contrastive Data

no code implementations30 Aug 2022 Robert Schmier, Ullrich Köthe, Christoph-Nikolas Straehle

We use a self-supervised feature extractor trained on the auxiliary dataset and train a normalizing flow on the extracted features by maximizing the likelihood on in-distribution data and minimizing the likelihood on the contrastive dataset.

Anomaly Detection Outlier Detection

A powerful rank-based correction to multiple testing under positive dependency

no code implementations17 Nov 2023 Alexander Timans, Christoph-Nikolas Straehle, Kaspar Sakmann, Eric Nalisnick

We develop a novel multiple hypothesis testing correction with family-wise error rate (FWER) control that efficiently exploits positive dependencies between potentially correlated statistical hypothesis tests.

Conformal Prediction

Adaptive Bounding Box Uncertainties via Two-Step Conformal Prediction

no code implementations12 Mar 2024 Alexander Timans, Christoph-Nikolas Straehle, Kaspar Sakmann, Eric Nalisnick

In particular, we leverage conformal prediction to obtain uncertainty intervals with guaranteed coverage for object bounding boxes.

Autonomous Driving Conformal Prediction +3

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