Dr. Uwe Grünefeld

2025

• Jonas Keppel, Marvin Strauss, Shuoheng Zhang, Markus Stroehnisch, Stefan Lewin, Uwe Gruenefeld, Donald Degraen, David Goedicke, Andrii Matviienko and Stefan Schneegass: The Impact of Bike-Based Controllers and Adaptive Feedback on Immersion and Enjoyment in a Virtual Reality Cycling Exergame. In: Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems CHI EA '25 , Association for Computing Machinery , New York, NY, USA 1 , 2025 .   [DOI]
• Jonas Keppel, Marvin Strauss, Luke Haliburton, Henrike Weingärtner, Julia Dominiak, Sarah Faltaous, Uwe Gruenefeld, Sven Mayer, Paweł W. Woźniak and Stefan Schneegass: Situated Artifacts Amplify Engagement in Physical Activity.Proceedings of the 2025 ACM Designing Interactive Systems Conference, Volume 2025, jul 2025.   [DOI]

2024

• Jonas Keppel, Marvin Strauss, Uwe Gruenefeld and Stefan Schneegass: Magic Mirror: Designing a Weight Change Visualization for Domestic Use.Proc. ACM Hum.-Comput. Interact., Volume 8, Number ISS, oct 2024.   [DOI]
• Jonathan Liebers, Patrick Laskowski, Florian Rademaker, Leon Sabel, Jordan Hoppen, Uwe Gruenefeld and Stefan Schneegass: Kinetic Signatures: A Systematic Investigation of Movement-Based User Identification in Virtual Reality. In: Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI ’24) , Association for Computing Machinery , New York, NY, USA 1 , may 2024 .   [DOI]
• Max Pascher, Alia Saad, Jonathan Liebers, Roman Heger, Jens Gerken, Stefan Schneegass and Uwe Gruenefeld: Hands-On Robotics: Enabling Communication Through Direct Gesture Control. In: Companion of the 2024 ACM/IEEE International Conference on Human-Robot Interaction (HRI '24 Companion), March 11-14, 2024, Boulder, CO, USA, ACM, Boulder, Colorado, USA, mar 2024.   [DOI]
• Carina Liebers, Pranav Megarajan, Jonas Auda, Tim C Stratmann, Max Pfingsthorn, Uwe Gruenefeld and Stefan Schneegass: Keep the Human in the Loop: Arguments for Human Assistance in the Synthesis of Simulation Data for Robot Training.Multimodal Technologies and Interaction, Volume 8, Number 3, 2024, 18-0.   [DOI]
• Carina Liebers, Niklas Pfützenreuter, Jonas Auda, Uwe Gruenefeld and Stefan Schneegass: "Computer, Generate!” – Investigating User Controlled Generation of Immersive Virtual Environments. In: HHAI 2024: Hybrid Human AI Systems for the Social Good, IOS Press, Malmö, 2024, 213-227.   [DOI]
• Carina Liebers, Niklas Pfützenreuter, Marvin Prochazka, Pranav Megarajan, Eike Furuno, Jan Löber, Tim C. Stratmann, Jonas Auda, Donald Degraen, Uwe Gruenefeld and Stefan Schneegass: Look Over Here! Comparing Interaction Methods for User-Assisted Remote Scene Reconstruction. In: Extended Abstracts of the 2024 CHI Conference on Human Factors in Computing Systems, Association for Computing Machinery, New York, NY, USA, 2024.   [DOI]
• Jonas Keppel, Dijana Ivezić, Uwe Gruenefeld, Paul Lukowicz, Oliver Amft and Stefan Schneegass: AI and Health: Using Digital Twins to Foster Healthy Behavior. In: Mensch und Computer 2024-Workshopband, , 2024, 10-18420.   [DOI]

2023

• Alia Saad, Max Pascher, Khaled Kassem, Roman Heger, Jonathan Liebers, Stefan Schneegass and Uwe Gruenefeld: Hand-in-Hand: Investigating Mechanical Tracking for User Identification in Cobot Interaction. In: Proceedings of International Conference on Mobile and Ubiquitous Multimedia (MUM) , , Vienna, Austria , dec 2023 .   [DOI]
• Jonathan Liebers, Christian Burschik, Uwe Gruenefeld and Stefan Schneegass: Exploring the Stability of Behavioral Biometrics in Virtual Reality in a Remote Field Study: Towards Implicit and Continuous User Identification through Body Movements. In: Proceedings of the 29th ACM Symposium on Virtual Reality Software and Technology , Association for Computing Machinery , New York, NY, USA 1 , nov 2023 .   [DOI]
• Jonas Auda, Uwe Grünefeld, Sarah Faltaous, Sven Mayer and Stefan Schneegass: A Scoping Survey on Cross-reality Systems. In: ACM Computing Surveys, , oct 2023.   [DOI]
• Jonas Auda, Uwe Grünefeld, Sven Mayer, Sarah Faltaous and Stefan Schneegass: The Actuality-Time Continuum: Visualizing Interactions and Transitions Taking Place in Cross-Reality Systems. In: IEEE ISMAR 2023, , Sydney, oct 2023.  
• Jonas Keppel, Marvin Strauss, Sarah Faltaous, Jonathan Liebers, Roman Heger, Uwe Gruenefeld and Stefan Schneegass: Don't Forget to Disinfect: Understanding Technology-Supported Hand Disinfection Stations.Proc. ACM Hum.-Comput. Interact., Volume 7, Number MHCI, sep 2023.   [DOI]
• Carina Liebers, Marvin Prochazka, Niklas Pfützenreuter, Jonathan Liebers, Jonas Auda, Uwe Gruenefeld and Stefan Schneegass: Pointing It out! Comparing Manual Segmentation of 3D Point Clouds between Desktop, Tablet, and Virtual Reality.International Journal of Human–Computer Interaction, jul 2023, 1-15.   [DOI]
• Yasmeen Abdrabou, Sheikh Radiah Rivu, Tarek Ammar, Jonathan Liebers, Alia Saad, Carina Liebers, Uwe Gruenefeld, Pascal Knierim, Mohamed Khamis, Ville Makela and Stefan Schneegass: Understanding Shoulder Surfer Behavior and Attack Patterns Using Virtual Reality.Proceedings of the 2022 International Conference on Advanced Visual Interfaces, Volume 2022, jun 2023, 1-9.   [DOI]
• Max Pascher, Uwe Grünefeld, Stefan Schneegass and Jens Gerken: How to Communicate Robot Motion Intent: A Scoping Review. In: Acm (eds.): Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI ’23) , apr 2023 .   [DOI]
• Max Pascher, Til Franzen, Kirill Kronhardt, Uwe Grünefeld, Stefan Schneegass and Jens Gerken: HaptiX: Vibrotactile Haptic Feedback for Communication of 3D Directional Cues. In: Acm (eds.): Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems - Extended Abstract (CHI ’23) , apr 2023 .   [DOI]

2022

• Jonas Keppel, Uwe Gruenefeld, Marvin Strauss, Luis Ignacio Lopera Gonzalez, Oliver Amft and Stefan Schneegass.Reflecting on Approaches to Monitor User's Dietary Intake.Technical report,, sep 2022.  
• Henrik Detjen, Sarah Faltaous, Jonas Keppel, Marvin Prochazka, Uwe Gruenefeld, Shadan Sadeghian and Stefan Schneegass: Investigating the Influence of Gaze- and Context-Adaptive Head-up Displays on Take-Over Requests. In: Acm (eds.): AutomotiveUI '22: Proceedings of the 14th International Conference on Automotive User Interfaces and Interactive Vehicular Applications , sep 2022 .   [DOI]
• Sarah Faltaous, Marvin Prochazka, Jonas Auda, Jonas Keppel, Nick Wittig, Uwe Gruenefeld and Stefan Schneegass.Give Weight to VR: Manipulating Users’ Perception of Weight in Virtual Reality with Electric Muscle Stimulation.Technical report,, New York, NY, USA, sep 2022.   [DOI]
• Uwe Grünefeld, Alexander Geilen, Jonathan Liebers, Nick Wittig, Marion Koelle and Stefan Schneegass: ARm Haptics: 3D-Printed Wearable Haptics for Mobile Augmented Reality.Proc. ACM Hum.-Comput. Interact., Volume 6, Number MHCI, sep 2022.   [DOI]
• Uwe Grünefeld, Jonas Auda, Florian Mathis, Stefan Schneegass, Mohamed Khamis, Jan Gugenheimer and Sven Mayer: VRception: Rapid Prototyping of Cross-Reality Systems in Virtual Reality. In: Proceedings of the 41st ACM Conference on Human Factors in Computing Systems (CHI) , Association for Computing Machinery , New Orleans, United States 1 , apr 2022 .   [DOI]
• Jonas Auda, Uwe Grünefeld and Stefan Schneegass: If The Map Fits! Exploring Minimaps as Distractors from Non-Euclidean Spaces in Virtual Reality. In: CHI 22, ACM, apr 2022.   [DOI]
• Yasmeen Abdrabou, Radiah Rivu, Tarek Ammar, Jonathan Liebers, Alia Saad, Carina Liebers, Uwe Gruenefeld, Pascal Knierim, Mohamed Khamis, Ville Mäkelä, Stefan Schneegass and Florian Alt: Understanding Shoulder Surfer Behavior Using Virtual Reality. In: Proceedings of the IEEE conference on Virtual Reality and 3D User Interfaces (IEEE VR) , IEEE , Christchurch, New Zealand 1 , mar 2022 .  
• Jonas Auda, Uwe Grünefeld, Thomas Kosch and Stefan Schneegass: The Butterfly Effect: Novel Opportunities for Steady-State Visually-Evoked Potential Stimuli in Virtual Reality. In: Researchgate (eds.): Augmented Humans, , Kashiwa, Chiba, Japan, mar 2022.   [DOI]
• Max Pascher, Kirill Kronhardt, Til Franzen, Uwe Gruenefeld, Stefan Schneegass and Jens Gerken: My Caregiver the Cobot: Comparing Visualization Techniques to Effectively Communicate Cobot Perception to People with Physical Impairments.MDPI Sensors, Volume 22, Number 3, 2022.   [DOI]
• Jonathan Liebers, Sascha Brockel, Uwe Gruenefeld and Stefan Schneegass: Identifying Users by Their Hand Tracking Data in Augmented and Virtual Reality.International Journal of Human–Computer Interaction, 2022.   [DOI]
• Jonas Keppel, Jonathan Liebers, Jonas Auda, Uwe Gruenefeld and Stefan Schneegass: ExplAInable Pixels: Investigating One-Pixel Attacks on Deep Learning Models with Explainable Visualizations. In: Proceedings of the 21st International Conference on Mobile and Ubiquitous Multimedia , Association for Computing Machinery , New York, NY, USA 1 , 2022 , 231-242.   [DOI]

2021

• Jonathan Liebers, Patrick Horn, Christian Burschik, Uwe Gruenefeld and Stefan Schneegass: Using Gaze Behavior and Head Orientation for Implicit Identification in Virtual Reality. In: Proceedings of the 27th ACM Symposium on Virtual Reality Software and Technology (VRST) , Association for Computing Machinery , Osaka, Japan 1 , dec 2021 .   [DOI]
• Jonas Auda, Uwe Grünefeld, Ken Pfeuffer, Radiah Rivu, Alt Florian and Stefan Schneegass: I'm in Control! Transferring Object Ownership Between Remote Users with Haptic Props in Virtual Reality. In: Proceedings of the 9th ACM Symposium on Spatial User Interaction (SUI) , Association for Computing Machinery , nov 2021 .   [DOI]
• Alia Saad, Jonathan Liebers, Uwe Gruenefeld, Florian Alt and Stefan Schneegass: Understanding Bystanders’ Tendency to Shoulder Surf Smartphones Using 360-Degree Videos in Virtual Reality. In: Proceedings of the 23rd International Conference on Mobile Human-Computer Interaction (MobileHCI) , Association for Computing Machinery , Toulouse, France 1 , sep 2021 .   [DOI]
• Jonas Auda, Uwe Grünefeld and Stefan Schneegass: Enabling Reusable Haptic Props for Virtual Reality by Hand Displacement. In: Proceedings of the Conference on Mensch Und Computer (MuC) , Association for Computing Machinery , Ingolstadt, Germany 1 , sep 2021 , 412-417.   [DOI]
• Jonas Auda, Roman Heger, Uwe Gruenefeld and Stefan Schneegaß: VRSketch: Investigating 2D Sketching in Virtual Reality with Different Levels of Hand and Pen Transparency. In: 18th International Conference on Human–Computer Interaction (INTERACT), Springer, Bari, Italy, sep 2021, 195-211.   [DOI]
• Sven Schultze, Uwe Gruenefeld and Susanne Boll: Demystifying Deep Learning: Developing and Evaluating a User-Centered Learning App for Beginners to Gain Practical Experience.i-com, Volume 2020, jan 2021.   [DOI]

2020

• Jannike Illing, Philipp Klinke, Uwe Gruenefeld, Max Pfingsthorn and Wilko Heuten: Time is money! Evaluating Augmented Reality Instructions for Time-Critical Assembly Tasks. In: 19th International Conference on Mobile and Ubiquitous Multimedia (MUM), Association for Computing Machinery, Essen, Germany, nov 2020, 277-287.   [DOI]
• Jonas Auda, Uwe Gruenefeld and Sven Mayer: It Takes Two To Tango: Conflicts Between Users on the Reality-Virtuality Continuum and Their Bystanders. In: Proceedings of the 14th ACM Interactive Surfaces and Spaces (ISS) , Association for Computing Machinery , Lisbon, Portugal 1 , nov 2020 .  
• Stefan Schneegaß, Jonas Auda, Roman Heger, Uwe Grünefeld and Thomas Kosch: EasyEG: A 3D-printable Brain-Computer Interface. In: Proceedings of the 33rd ACM Symposium on User Interface Software and Technology (UIST) , , Minnesota, USA , oct 2020 .   [DOI]
• Uwe Gruenefeld, Lars Prädel, Jannike Illing, Tim Stratmann, Sandra Drolshagen and Max Pfingsthorn: Mind the ARm: Realtime Visualization of Robot Motion Intent in Head-Mounted Augmented Reality. In: Proceedings of the Conference on Mensch Und Computer (MuC) , Association for Computing Machinery , sep 2020 , 259-266.   [DOI]
• Alia Saad, Nick Wittig, Uwe Grünefeld and Stefan Schneegass: A Systematic Analysis of External Factors Affecting Gait Identification. In: , , .