Dr. Jonathan Liebers

2026

• Niklas Pfützenreuter, Jonathan Liebers, Roman Heger, Henning Maly, Steven Tischer, Anh Duy Dao, David Goedicke and Stefan Schneegass: 3D Dreams Are Made of This - Comparing Sketching on XR and Tablet Devices as Input Modalities for 3D Model Generation. In: Max Pascher, Michael Prilla, Stefan Schneegass and Fiona Draxler (eds.): Proceedings of Mensch und Computer 2026, MuC 2026, Duisburg, Germany, 30 August 2026 - 2 September 2026 , ACM , 2026 , 410-422.   [DOI]

2025

• Jonathan Liebers, Felix Bernardi, Alia Saad, Lukas Mecke, Uwe Gruenefeld, Florian Alt and Stefan Schneegass: Predicting Personality Traits from Hand-Tracking and Typing Behavior in Extended Reality under the Presence and Absence of Haptic Feedback. In: Naomi Yamashita, Vanessa Evers, Koji Yatani and Sharon Xianghua Ding (eds.): Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, CHI EA 2025, Yokohama, Japan, 26 April 2025- 1 May 2025 , ACM , 2025 , 442:1-442:8.   [DOI]
• Nick Wittig, Yannick Dohmen, Jonathan Liebers, Donald Degraen, David Goedicke and Stefan Schneegass: FamiliAR Feedback: Investigating Feedback Modality and Familiarity in Classroom Settings Using Spatial Augmented Reality. In: Salvatore Sorce, Passant Elagroudy and Mohamed Khamis (eds.): Proceedings of the 24th International Conference on Mobile and Ubiquitous Multimedia, MUM 2025, EnnaItaly, December 1-4, 2025 , ACM , 2025 , 273-284.   [DOI]
• Alia Saad, Jonathan Liebers, Constantin Koczian, Nick Wittig, Roman Heger, Marvin Strauss, Niklas Pfützenreuter, David Goedicke, Uwe Gruenefeld, Stefan Schneegass and Donald Degraen: Investigating Gait Imitation in VR: Impact of Visual Feedback and Avatar Design. In: Salvatore Sorce, Passant Elagroudy and Mohamed Khamis (eds.): Proceedings of the 24th International Conference on Mobile and Ubiquitous Multimedia, MUM 2025, EnnaItaly, December 1-4, 2025 , ACM , 2025 , 301-309.   [DOI]
• Jonathan Liebers, Frieder Sykora, Niklas Pfützenreuter, Uwe Gruenefeld, David Goedicke and Stefan Schneegass: User Identification in Virtual Reality through Behavioral Biometrics and the Influence of Colocated Interactions. In: Anil Ufuk Batmaz, Mayra Donaji Barrera Machuca, Francisco Raul Ortega, Daniel Zielasko, Kangsoo Kim, Rick Skarbez, Lucas Plabst, Amy Banic and Mine Stroppa (eds.): Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology, VRST 2025, Montreal, QC, Canada, November 12-14, 2025 , ACM , 2025 , 83:1-83:13.   [DOI]

2024

• Jonathan Liebers, Sascha Brockel, Uwe Gruenefeld and Stefan Schneegass: Identifying Users by Their Hand Tracking Data in Augmented and Virtual Reality.Int. J. Hum. Comput. Interact., Volume 40, Number 2, 2024, 409-424.   [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.Int. J. Hum. Comput. Interact., Volume 40, Number 19, 2024, 5602-5616.   [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: Florian 'Floyd' Mueller, Penny Kyburz, Julie R. Williamson, Corina Sas, Max L. Wilson, Phoebe O. Toups Dugas and Irina Shklovski (eds.): Proceedings of the CHI Conference on Human Factors in Computing Systems, CHI 2024, Honolulu, HI, USA, May 11-16, 2024 , ACM , 2024 , 783:1-783:19.   [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: Dan Grollman, Elizabeth Broadbent, Wendy Ju, Harold Soh and Tom Williams (eds.): Companion of the 2024 ACM/IEEE International Conference on Human-Robot Interaction, HRI 2024, Boulder, CO, USA, March 11-15, 2024 , ACM , 2024 , 822-827.   [DOI]
• Jonathan Liebers, Tristan Kley, Carina Liebers, Uwe Gruenefeld and Stefan Schneegass: Useckit: An Open-Source Deep-Learning Toolkit Bundling State-Of-The-Art Algorithms for Evaluating Behavioral Biometrics. In: IEEE International Joint Conference on Biometrics, IJCB 2024, Buffalo, NY, USA, September 15-18, 2024 , IEEE , 2024 , 1-10.   [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.CoRR, Volume abs/2401.09077, 2024.   [DOI]

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, 2023, 1-18.   [DOI]
• Jonathan Liebers, Uwe Gruenefeld, Daniel Buschek, Florian Alt and Stefan Schneegass: Introduction to Authentication using Behavioral Biometrics. In: Albrecht Schmidt, Kaisa Väänänen, Tesh Goyal, Per Ola Kristensson and Anicia Peters (eds.): Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems, CHI EA 2023, Hamburg, Germany, April 23-28, 2023 , ACM , 2023 , 547:1-547:4.   [DOI]
• 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: Florian Michahelles, Pascal Knierim and Jonna Häkkilä (eds.): Proceedings of the 22nd International Conference on Mobile and Ubiquitous Multimedia, MUM 2023, Vienna, Austria, December 3-6, 2023 , ACM , 2023 , 583-591.   [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: Towards Implicit and Continuous User Identification through Body Movements. In: Proceedings of the 29th ACM Symposium on Virtual Reality Software and Technology, VRST 2023, Christchurch, New Zealand, October 9-11, 2023 , ACM , 2023 , 30:1-30:12.   [DOI]

2022

• Uwe Gruenefeld, 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, 2022, 1-18.   [DOI]
• Yasmeen Abdrabou, Sheikh 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 and Attack Patterns Using Virtual Reality. In: Paolo Bottoni and Emanuele Panizzi (eds.): AVI 2022: International Conference on Advanced Visual Interfaces, Frascati, Rome, Italy, June 6 - 10, 2022 , ACM , 2022 , 15:1-15:9.   [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: Tanja Döring, Susanne Boll, Ashley Colley, Augusto Esteves and Joao Guerreiro (eds.): Proceedings of the 21st International Conference on Mobile and Ubiquitous Multimedia, MUM 2022, Lisbon, Portugal, November 27-30, 2022 , ACM , 2022 , 231-242.   [DOI]
• Jonathan Liebers, Nick Wittig, Simon Janzon, Pedram Golkar, Hakeem Moruf, Wilfried Forentin Wakeu Kontchipo, Uwe Gruenefeld and Stefan Schneegass: Single-Sign-On in Smart Homes using Continuous Authentication. In: Tanja Döring, Susanne Boll, Ashley Colley, Augusto Esteves and Joao Guerreiro (eds.): Proceedings of the 21st International Conference on Mobile and Ubiquitous Multimedia, MUM 2022, Lisbon, Portugal, November 27-30, 2022 , ACM , 2022 , 270-272.   [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: 2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, VR Workshops, Christchurch, New Zealand, March 12-16, 2022 , IEEE , 2022 , 576-577.   [DOI]

2021

• Jonathan Liebers, Mark Abdelaziz, Lukas Mecke, Alia Saad, Jonas Auda, Uwe Gruenefeld, Florian Alt and Stefan Schneegass: Understanding User Identification in Virtual Reality Through Behavioral Biometrics and the Effect of Body Normalization. In: Yoshifumi Kitamura, Aaron Quigley, Katherine Isbister, Takeo Igarashi, Pernille Bjørn and Steven Mark Drucker (eds.): CHI '21: CHI Conference on Human Factors in Computing Systems, Virtual Event / Yokohama, Japan, May 8-13, 2021 , ACM , 2021 , 517:1-517:11.   [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: Jessica R. Cauchard and Marcos Serrano (eds.): MobileHCI '21: 23rd International Conference on Mobile Human-Computer Interaction, Toulouse & Virtual Event, France, 27 September 2021 - 1 October 2021 , ACM , 2021 , 35:1-35:8.   [DOI]
• Jonathan Liebers, Patrick Horn, Christian Burschik, Uwe Gruenefeld and Stefan Schneegass: Using Gaze Behavior and Head Orientation for Implicit Identification in Virtual Reality. In: Yuichi Itoh, Kazuki Takashima, Parinya Punpongsanon, Misha Sra, Kazuyuki Fujita, Shigeo Yoshida and Tham Piumsomboon (eds.): VRST '21: 27th ACM Symposium on Virtual Reality Software and Technology, Virtual Event / Osaka, Japan, December 8 - 10, 2021 , ACM , 2021 , 22:1-22:9.   [DOI]

2020

• Jonathan Liebers and Stefan Schneegass: Introducing Functional Biometrics: Using Body-Reflections as a Novel Class of Biometric Authentication Systems. In: Regina Bernhaupt, Florian 'Floyd' Mueller, David Verweij, Josh Andres, Joanna McGrenere, Andy Cockburn, Ignacio Avellino, Alix Goguey, Pernille Bjøn, Shengdong Zhao, Briane Paul Samson and Rafal Kocielnik (eds.): Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems, CHI 2020, Honolulu, HI, USA, April 25-30, 2020 , ACM , 2020 , 1-7.   [DOI]
• Jonathan Liebers and Stefan Schneegass: Gaze-based Authentication in Virtual Reality. In: Andreas Bulling, Anke Huckauf, Eakta Jain, Ralph Radach and Daniel Weiskopf (eds.): ETRA '20 Adjunct: 2020 Symposium on Eye Tracking Research and Applications, Stuttgart, Germany, June 2-5, 2020, Adjunct Volume , ACM , 2020 , 41:1-41:2.   [DOI]
• Maximilian Schrapel, Jonathan Liebers, Michael Rohs and Stefan Schneegass: Skiables: Towards a Wearable System Mounted on a Ski Boot for Measuring Slope Conditions. In: Jessica R. Cauchard and Markus Löchtefeld (eds.): MUM 2020: 19th International Conference on Mobile and Ubiquitous Multimedia, Essen, Germany, November 22-25, 2020 , ACM , 2020 , 320-322.   [DOI]

2019

• Sarah Faltaous, Jonathan Liebers, Yomna Abdelrahman, Florian Alt and Stefan Schneegass: VPID: Towards Vein Pattern Identification Using Thermal Imaging.i-com, Volume 18, Number 3, 2019, 259-270.   [DOI]