Search Results for author: Jianxiang Feng

Found 10 papers, 2 papers with code

Estimating Model Uncertainty of Neural Network in Sparse Information Form

no code implementations ICML 2020 Jongseok Lee, Matthias Humt, Jianxiang Feng, Rudolph Triebel

As a result, we show that the information form of MND can be scalably applied to represent model uncertainty in MND.

Dimensionality Reduction

Topology-Matching Normalizing Flows for Out-of-Distribution Detection in Robot Learning

no code implementations11 Nov 2023 Jianxiang Feng, JongSeok Lee, Simon Geisler, Stephan Gunnemann, Rudolph Triebel

To facilitate reliable deployments of autonomous robots in the real world, Out-of-Distribution (OOD) detection capabilities are often required.

Density Estimation object-detection +3

Density-based Feasibility Learning with Normalizing Flows for Introspective Robotic Assembly

2 code implementations3 Jul 2023 Jianxiang Feng, Matan Atad, Ismael Rodríguez, Maximilian Durner, Stephan Günnemann, Rudolph Triebel

Machine Learning (ML) models in Robotic Assembly Sequence Planning (RASP) need to be introspective on the predicted solutions, i. e. whether they are feasible or not, to circumvent potential efficiency degradation.

Out of Distribution (OOD) Detection

Efficient and Feasible Robotic Assembly Sequence Planning via Graph Representation Learning

2 code implementations17 Mar 2023 Matan Atad, Jianxiang Feng, Ismael Rodríguez, Maximilian Durner, Rudolph Triebel

With GRACE, we are able to extract meaningful information from the graph input and predict assembly sequences in a step-by-step manner.

Graph Representation Learning

Introspective Robot Perception using Smoothed Predictions from Bayesian Neural Networks

no code implementations27 Sep 2021 Jianxiang Feng, Maximilian Durner, Zoltan-Csaba Marton, Ferenc Balint-Benczedi, Rudolph Triebel

This work focuses on improving uncertainty estimation in the field of object classification from RGB images and demonstrates its benefits in two robotic applications.

Domain Adaptation

Bayesian Active Learning for Sim-to-Real Robotic Perception

no code implementations23 Sep 2021 Jianxiang Feng, JongSeok Lee, Maximilian Durner, Rudolph Triebel

While learning from synthetic training data has recently gained an increased attention, in real-world robotic applications, there are still performance deficiencies due to the so-called Sim-to-Real gap.

Active Learning Informativeness +1

Trust Your Robots! Predictive Uncertainty Estimation of Neural Networks with Sparse Gaussian Processes

no code implementations20 Sep 2021 JongSeok Lee, Jianxiang Feng, Matthias Humt, Marcus G. Müller, Rudolph Triebel

This paper presents a probabilistic framework to obtain both reliable and fast uncertainty estimates for predictions with Deep Neural Networks (DNNs).

Gaussian Processes object-detection +1

A Survey of Uncertainty in Deep Neural Networks

no code implementations7 Jul 2021 Jakob Gawlikowski, Cedrique Rovile Njieutcheu Tassi, Mohsin Ali, JongSeok Lee, Matthias Humt, Jianxiang Feng, Anna Kruspe, Rudolph Triebel, Peter Jung, Ribana Roscher, Muhammad Shahzad, Wen Yang, Richard Bamler, Xiao Xiang Zhu

Different examples from the wide spectrum of challenges in different fields give an idea of the needs and challenges regarding uncertainties in practical applications.

Data Augmentation

Estimating Model Uncertainty of Neural Networks in Sparse Information Form

no code implementations20 Jun 2020 Jongseok Lee, Matthias Humt, Jianxiang Feng, Rudolph Triebel

We present a sparse representation of model uncertainty for Deep Neural Networks (DNNs) where the parameter posterior is approximated with an inverse formulation of the Multivariate Normal Distribution (MND), also known as the information form.

Dimensionality Reduction

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