Search Results for author: Robert Wille

Found 36 papers, 14 papers with code

MoRAL: Motion-aware Multi-Frame 4D Radar and LiDAR Fusion for Robust 3D Object Detection

no code implementations14 May 2025 Xiangyuan Peng, Yu Wang, Miao Tang, Bierzynski Kay, Lorenzo Servadei, Robert Wille

In particular, 4D radar and LiDAR fusion methods based on multi-frame radar point clouds have demonstrated the effectiveness in bridging the point density gap.

Autonomous Driving Object +2

4D mmWave Radar in Adverse Environments for Autonomous Driving: A Survey

no code implementations31 Mar 2025 Xiangyuan Peng, Miao Tang, Huawei Sun, Lorenzo Servadei, Robert Wille

To the best of our knowledge, this is the first survey specifically focusing on 4D mmWave radar in adverse environments for autonomous driving.

Autonomous Driving Survey

Complying with the EU AI Act: Innovations in Explainable and User-Centric Hand Gesture Recognition

no code implementations4 Feb 2025 Sarah Seifi, Tobias Sukianto, Cecilia Carbonelli, Lorenzo Servadei, Robert Wille

In response, we present advancements in XentricAI, an explainable hand gesture recognition (HGR) system designed to meet these regulatory requirements.

Anomaly Detection Hand Gesture Recognition +2

MutualForce: Mutual-Aware Enhancement for 4D Radar-LiDAR 3D Object Detection

no code implementations17 Jan 2025 Xiangyuan Peng, Huawei Sun, Kay Bierzynski, Anton Fischbacher, Lorenzo Servadei, Robert Wille

Radar and LiDAR have been widely used in autonomous driving as LiDAR provides rich structure information, and radar demonstrates high robustness under adverse weather.

3D Object Detection Autonomous Driving +1

LiRCDepth: Lightweight Radar-Camera Depth Estimation via Knowledge Distillation and Uncertainty Guidance

1 code implementation20 Dec 2024 Huawei Sun, Nastassia Vysotskaya, Tobias Sukianto, Hao Feng, Julius Ott, Xiangyuan Peng, Lorenzo Servadei, Robert Wille

Recently, radar-camera fusion algorithms have gained significant attention as radar sensors provide geometric information that complements the limitations of cameras.

Computational Efficiency Depth Estimation +1

Interpretable Rule-Based System for Radar-Based Gesture Sensing: Enhancing Transparency and Personalization in AI

no code implementations30 Sep 2024 Sarah Seifi, Tobias Sukianto, Cecilia Carbonelli, Lorenzo Servadei, Robert Wille

The increasing demand in artificial intelligence (AI) for models that are both effective and explainable is critical in domains where safety and trust are paramount.

Decision Making Multi-class Classification

GET-UP: GEomeTric-aware Depth Estimation with Radar Points UPsampling

1 code implementation2 Sep 2024 Huawei Sun, Zixu Wang, Hao Feng, Julius Ott, Lorenzo Servadei, Robert Wille

However, existing algorithms process the inherently noisy and sparse radar data by projecting 3D points onto the image plane for pixel-level feature extraction, overlooking the valuable geometric information contained within the radar point cloud.

Autonomous Driving Depth Estimation +1

Comparing Lazy Constraint Selection Strategies in Train Routing with Moving Block Control

1 code implementation29 May 2024 Stefan Engels, Robert Wille

In this work, we close this gap by providing an extended approach as well as a flexible open-source implementation that can use different solving strategies.

Hamiltonian-based Quantum Reinforcement Learning for Neural Combinatorial Optimization

no code implementations13 May 2024 Georg Kruse, Rodrigo Coehlo, Andreas Rosskopf, Robert Wille, Jeanette Miriam Lorenz

We model our ansatzes directly on the combinatorial optimization problem's Hamiltonian formulation, which allows us to apply our approach to a broad class of problems.

Combinatorial Optimization reinforcement-learning +1

Efficient Post-Training Augmentation for Adaptive Inference in Heterogeneous and Distributed IoT Environments

no code implementations12 Mar 2024 Max Sponner, Lorenzo Servadei, Bernd Waschneck, Robert Wille, Akash Kumar

For an ECG classification task, it was able to terminate all samples early, reducing the mean inference energy by 74. 9% and computations by 78. 3%.

CPU ECG Classification +2

Temporal Patience: Efficient Adaptive Deep Learning for Embedded Radar Data Processing

no code implementations11 Sep 2023 Max Sponner, Julius Ott, Lorenzo Servadei, Bernd Waschneck, Robert Wille, Akash Kumar

Radar sensors offer power-efficient solutions for always-on smart devices, but processing the data streams on resource-constrained embedded platforms remains challenging.

Design Tasks and Their Complexity for the European Train Control System with Hybrid Train Detection

1 code implementation3 Aug 2023 Stefan Engels, Tom Peham, Judith Przigoda, Nils Przigoda, Robert Wille

Since expanding the global railway network is time- and resource-consuming, maximizing the rail capacity of the existing infrastructure is desirable.

Multi-Task Cross-Modality Attention-Fusion for 2D Object Detection

no code implementations17 Jul 2023 Huawei Sun, Hao Feng, Georg Stettinger, Lorenzo Servadei, Robert Wille

In addition, we introduce a Multi-Task Cross-Modality Attention-Fusion Network (MCAF-Net) for object detection, which includes two new fusion blocks.

Autonomous Driving Object +2

Detection of Sensor-To-Sensor Variations using Explainable AI

no code implementations19 Jun 2023 Sarah Seifi, Sebastian A. Schober, Cecilia Carbonelli, Lorenzo Servadei, Robert Wille

This study proposes a novel approach for detecting sensor-to-sensor variations in sensing devices using the explainable AI (XAI) method of SHapley Additive exPlanations (SHAP).

Explainable Artificial Intelligence (XAI)

Compiler Optimization for Quantum Computing Using Reinforcement Learning

2 code implementations8 Dec 2022 Nils Quetschlich, Lukas Burgholzer, Robert Wille

Any quantum computing application, once encoded as a quantum circuit, must be compiled before being executable on a quantum computer.

Compiler Optimization reinforcement-learning +2

Uncertainty-based Meta-Reinforcement Learning for Robust Radar Tracking

no code implementations26 Oct 2022 Julius Ott, Lorenzo Servadei, Gianfranco Mauro, Thomas Stadelmayer, Avik Santra, Robert Wille

There, we show that our method outperforms related Meta-RL approaches on unseen tracking scenarios in peak performance by 16% and the baseline by 35% while detecting OOD data with an F1-Score of 72%.

Meta-Learning Meta Reinforcement Learning +4

MEET: A Monte Carlo Exploration-Exploitation Trade-off for Buffer Sampling

1 code implementation24 Oct 2022 Julius Ott, Lorenzo Servadei, Jose Arjona-Medina, Enrico Rinaldi, Gianfranco Mauro, Daniela Sánchez Lopera, Michael Stephan, Thomas Stadelmayer, Avik Santra, Robert Wille

This is enabled by the uncertainty estimation of the Q-Value function, which guides the sampling to explore more significant transitions and, thus, learn a more efficient policy.

reinforcement-learning Reinforcement Learning +1

Utilizing Explainable AI for improving the Performance of Neural Networks

no code implementations7 Oct 2022 Huawei Sun, Lorenzo Servadei, Hao Feng, Michael Stephan, Robert Wille, Avik Santra

To address this, Explainable Artificial Intelligence (XAI) has been developing as a field that aims to improve the transparency of the model and increase their trustworthiness.

Explainable artificial intelligence Explainable Artificial Intelligence (XAI)

As Accurate as Needed, as Efficient as Possible: Approximations in DD-based Quantum Circuit Simulation

no code implementations10 Dec 2020 Stefan Hillmich, Richard Kueng, Igor L. Markov, Robert Wille

Quantum computers promise to solve important problems faster than conventional computers.

Quantum Physics

Considering Decoherence Errors in the Simulation of Quantum Circuits Using Decision Diagrams

no code implementations10 Dec 2020 Thomas Grurl, Jürgen Fuß, Robert Wille

However, most of those simulators mimic perfect quantum computers and, hence, ignore the fragile nature of quantum mechanical effects which frequently yield to decoherence errors in real quantum devices.

Quantum Physics

Stochastic Quantum Circuit Simulation Using Decision Diagrams

2 code implementations10 Dec 2020 Thomas Grurl, Richard Kueng, Jürgen Fuß, Robert Wille

Recent years have seen unprecedented advance in the design and control of quantum computers.

Quantum Physics

Characteristics of Reversible Circuits for Error Detection

no code implementations3 Dec 2020 Lukas Burgholzer, Robert Wille, Richard Kueng

In this work, we consider error detection via simulation for reversible circuit architectures.

Hardware Architecture Emerging Technologies

Random Stimuli Generation for the Verification of Quantum Circuits

1 code implementation14 Nov 2020 Lukas Burgholzer, Richard Kueng, Robert Wille

Verification of quantum circuits is essential for guaranteeing correctness of quantum algorithms and/or quantum descriptions across various levels of abstraction.

Quantum Physics Emerging Technologies

Verifying Results of the IBM Qiskit Quantum Circuit Compilation Flow

2 code implementations4 Sep 2020 Lukas Burgholzer, Rudy Raymond, Robert Wille

In this paper, we propose an efficient scheme for quantum circuit equivalence checking---specialized for verifying results of the IBM Qiskit quantum circuit compilation flow.

Quantum Circuit Equivalence Checking Quantum Physics

Just Like the Real Thing: Fast Weak Simulation of Quantum Computation

no code implementations30 Jul 2020 Stefan Hillmich, Igor L. Markov, Robert Wille

In this work, we focus on weak simulation that aims to produce outputs which are statistically indistinguishable from those of error-free quantum computers.

Quantum Physics

Advanced Equivalence Checking for Quantum Circuits

1 code implementation17 Apr 2020 Lukas Burgholzer, Robert Wille

Experimental evaluations confirm that the resulting methodology allows one to conduct equivalence checking dramatically faster than ever before--in many cases just a single simulation run is sufficient.

Quantum Circuit Equivalence Checking Quantum Physics Emerging Technologies

Mapping Quantum Circuits to IBM QX Architectures Using the Minimal Number of SWAP and H Operations

1 code implementation3 Jul 2019 Robert Wille, Lukas Burgholzer, Alwin Zulehner

By this, we do not only provide a method that maps quantum circuits to IBM's QX architectures with a minimal number of SWAP and H operations, but also show by experimental evaluation that the number of operations added by IBM's heuristic solution exceeds the lower bound by more than 100% on average.

Quantum Circuit Mapping Quantum Physics

fiction: An Open Source Framework for the Design of Field-coupled Nanocomputing Circuits

3 code implementations7 May 2019 Marcel Walter, Robert Wille, Frank Sill Torres, Daniel Große, Rolf Drechsler

As a class of emerging post-CMOS technologies, Field-coupled Nanocomputing (FCN) devices promise computation with tremendously low energy dissipation.

Emerging Technologies

Advanced Simulation of Quantum Computations

no code implementations4 Jul 2017 Alwin Zulehner, Robert Wille

There also exist solutions based on decision diagrams (i. e. graph-based approaches) that try to tackle the exponential complexity by exploiting redundancies in quantum states and operations.

Quantum Physics Emerging Technologies

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