Publications

For an up-to-date list of 100+ publications, please see Google Scholar.

106 publications

2026

Context Is Cue-Cial: Assessing the Interpretation of Social Signals from Non-anthropomorphic Robots in Different Contexts

Aparajita Chowdhury, Ana Carrasco, Florian Müller, Aino Ahtinen, Kaisa Väänänen, Albrecht Schmidt, Jan Leusmann

Social Robotics + AI, 2026

›We conducted a contextual investigation of social cues used by non-anthropomorphic robots in a hospital setting, testing 103 cues from literature through a large online survey.

DOI

If It's Safe, Don't Ask: Decreasing Frustration through User Involvement for Risky Robot Behaviors

Jan Leusmann, Sarah Schömbs, Maximilian Diedrich, Florian Müller

HRI Proceedings of the 21st ACM/IEEE International Conference on Human-Robot Interaction (HRI '26), 2026

›We conducted a user study to investigate how the speed-accuracy trade-off and user involvement affect frustration during human-robot collaboration in an assembly task.

PDF DOI

Meme, Myself and AR: Exploring Memes Sharing in Face-to-face Conversation Using Augmented Reality

Yanni Mei, Samuel Wendt, Florian Müller, Jan Gugenheimer

CHI Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems, 2026

›We explored how AR memes influence face-to-face conversations through a survey of meme users and a multi-user prototype study in which pairs of friends designed and used their own AR meme visualizations.

PDF DOI

Anticipation Without Acceleration: Benefits of Shared Gaze in Collocated Augmented Reality Collaboration

Julian Rasch, Vladislav Dmitrievic Rusakov, Jan Leusmann, Florian Müller, Albrecht Schmidt

CHI Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems, 2026

›We conducted a user study to investigate the effects of shared gaze on collaboration in collocated Augmented Reality by varying gaze visibility, task types, and interaction spaces across three collaborative tasks.

PDF DOI

Do It Fast, Forget It Fast: How Timing and Limb Visualizations Affect First-Person Augmented Reality Instructions

Clara Sayffaerth, Ehbal Ablimit, Annika Köhler, Jonas Wombacher, Albrecht Schmidt, Florian Müller

CHI Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems, 2026

›We conducted a controlled experiment to investigate the effects of imitation timing (parallel vs. sequential) and limb visualizations (hand vs. full arm) on user performance and experience in first-person Augmented Reality instructions.

PDF DOI

Stars Without Steps: Bridging Observatory Access Based on Physical Proximity Through Educational XR

Clara Sayffaerth, Jennifer Meiler, Crystal McArdle-Ventura, Atakan Coban, Christoph Hoyer, Florian Müller, Arno Riffeser, Jochen Kuhn, Albrecht Schmidt

CHI EA Extended Abstracts of the 2026 CHI Conference on Human Factors in Computing Systems, 2026

›We developed a mobile Extended Reality application that allows users to explore and interact with a mountain observatory virtually, addressing physical accessibility barriers.

PDF DOI

Comfort Is in the Air: Investigating the Perceived Comfort of Rotational and Translational Mid-Air Interactions

Dominik Schön, Thomas Kosch, Martin Schmitz, Sebastian Günther, Max Mühlhäuser, Florian Müller

Proceedings of the Augmented Humans International Conference 2026, 2026

›We conducted a user study to analyze the perceived comfort and performance of rotational and translational mid-air interactions in Extended Reality.

PDF DOI

No Needles Attached? Inferring Energy Metabolism Zones and Lactate Accumulation from Touchscreen Input

Dominik Schön, Uwe Gropengießer, Max Mühlhäuser, Florian Müller

Proceedings of the Augmented Humans International Conference 2026, 2026

›We designed a method to non-invasively infer Energy Metabolism Zones and Lactate Accumulation using smartphone touchscreen input combined with built-in sensors.

PDF DOI Data

2025

BroomBroom! Evaluation of Leaning and Controller-based Locomotion for Flying in Virtual Reality

Martin Hedlund, Florian Müller, Martin Schmitz, Cristian Bogdan, Remy Rey, Pooria Ghavamian, Deirdre Tobin, Andrii Matviienko

VRST Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology, 2025

›We conducted a user study comparing headset-leaning and controller-based locomotion methods for flying in Virtual Reality, utilizing a broom metaphor for intuitive interaction.

PDF DOI

Manipulating Stiffness Perception of Compliant Objects While Pinching in Virtual Reality

Yannick Weiss, Steeven Villa, Moritz Ziarko, Florian Müller

VRST Proceedings of the 2025 31st ACM Symposium on Virtual Reality Software and Technology, 2025

›We designed an experimental setup to investigate the manipulation of stiffness perception of compliant objects in Virtual Reality by altering the Control-to-Display ratio of participants' index finger and thumb movements during pinching.

PDF DOI Data

Falling into Fears: Exploring Virtual Reality as a Fear-Reduction Training Tool for Climbers

Remy Rey, Florian Müller, Francesco Chiossi, Andrii Matviienko

Proceedings of the First Annual Conference on Human-Computer Interaction and Sports, 2025

›We conducted an exploratory study to investigate the effectiveness of Virtual Reality as a fear-reduction training tool for climbers, involving 20 participants who performed multiple falls from a height of 5 meters with and without a VR headset.

PDF DOI

ShadAR: LLM-driven Shader Generation to Transform Visual Perception in Augmented Reality

Yanni Mei, Samuel Wendt, Florian Müller, Jan Gugenheimer

ISMAR-Adj 2025 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), 2025

›We designed ShadAR, an Augmented Reality application that enables real-time transformation of visual perception through shader generation using large language models.

PDF DOI arXiv

Through the Expert's Eyes: Exploring Asynchronous Expert Perspectives and Gaze Visualizations in XR

Clara Sayffaerth, Annika Köhler, Julian Rasch, Albrecht Schmidt, Florian Müller

ISMAR 2025 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2025

›We conducted a user study to explore the impact of asynchronous first- and third-person perspectives and gaze visualizations on the efficiency, embodiment, and social connectedness during manual tasks in Extended Reality.

PDF DOI arXiv

From Pegs to Pixels: A Comparative Analysis of the Nine Hole Peg Test and a Digital Copy Drawing Test for Fine Motor Control Assessment

Dominik Schön, Thomas Kosch, Martin Schmitz, Sebastian Günther, Max Mühlhäuser, Florian Müller

PACMHCI Proc. ACM Hum.-Comput. Interact., 2025

›We conducted a comparative analysis of the Nine Hole Peg Test and a Copy Drawing Test to assess Fine Motor Control using digital surfaces.

PDF DOI Data

Pull Requests From The Classroom: Co-Developing Curriculum And Code

Dennis Zyska, Ilia Kuznetsov, Florian Müller, Iryna Gurevych

MuC Proceedings of Mensch Und Computer 2025 - MuC '25, 2025

›We conducted a case study on the co-development of curriculum and a custom-built peer feedback system for a university course on scientific writing.

PDF DOI arXiv

Social MediARverse: Investigating Users' Social Media Content Sharing and Consuming Intentions with Location-Based AR

Linda Hirsch, Florian Mueller, Mari Kruse, Andreas Butz, Robin Welsch

VR Virtual Reality, 2025

›We conducted an online survey with 110 participants to investigate how spatial contexts, dimensionality, and dynamics affect user engagement with location-based Augmented Reality content in social media.

PDF DOI arXiv

Don't They Really Hear Us? A Design Space for Private Conversations in Social Virtual Reality

Josephus Jasper Limbago, Robin Welsch, Florian Müller, Mario Di Francesco

TVCG IEEE Transactions on Visualization and Computer Graphics, 2025

›We conducted a study on the design of private conversation methods in Social Virtual Reality applications, focusing on user needs and interaction methods.

PDF DOI

AR You on Track? Investigating Effects of Augmented Reality Anchoring on Dual-Task Performance While Walking

Julian Rasch, Matthias Wilhalm, Florian Müller, Francesco Chiossi

CHI Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems - CHI '25, 2025

›We investigated the effects of different Augmented Reality content anchoring strategies (hand, head, torso) on user performance in a dual-task scenario involving walking and a visual working memory task.

PDF DOI arXiv Data

CreepyCoCreator? Investigating AI Representation Modes for 3D Object Co-Creation in Virtual Reality

Julian Rasch, Julia Töws, Teresa Hirzle, Florian Müller, Martin Schmitz

CHI Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems - CHI '25, 2025

›We conducted a Wizard-of-Oz study to investigate how different representation modes of an artificial intelligence influence user perception and interaction during 3D object co-creation in Virtual Reality.

PDF DOI arXiv

Investigating the Effects of Haptic Illusions in Collaborative Virtual Reality

Yannick Weiss, Julian Rasch, Jonas Fischer, Florian Müller

TVCG IEEE Transactions on Visualization and Computer Graphics, 2025

›We conducted a user study to investigate the effects of visual shape and size illusions on user performance, experience, and behavior during collaborative object handover tasks in Virtual Reality.

PDF DOI Data

The Bitter Taste of Confidence: Exploring Audio-Visual Taste Modulation in Immersive Reality

Pooria Ghavamian, Jan Henri Beyer, Sophie Orth, Mia Johanna Nona Zech, Florian Müller, Andrii Matviienko

IMX Proceedings of the 2025 ACM International Conference on Interactive Media Experiences, 2025

›We conducted a study to explore how augmented reality visual filters and synchronized audio cues influence taste perception in Extended Reality environments.

PDF DOI

A Vision for AI-Driven Adaptation of Dynamic AR Content to Users and Environments

Julian Rasch, Florian Müller, Francesco Chiossi

arXiv, 2025

›We designed an AI-driven system for dynamic Augmented Reality content placement that adapts to user movement and environmental changes.

PDF DOI arXiv

Assessing Visualization and Interaction Techniques to Support Comparison Tasks in Virtual Reality

Henrike Weingärtner, Julian Rasch, Nils Rothamel, Florian Müller

CHI EA Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, 2025

›We conducted a controlled experiment to assess various visualization and interaction techniques for comparison tasks in Virtual Reality environments.

PDF DOI

One Does Not Simply Meme Alone: Evaluating Co-Creativity Between LLMs and Humans in the Generation of Humor

Zhikun Wu, Thomas Weber, Florian Müller

IUI Proceedings of the 30th International Conference on Intelligent User Interfaces, 2025

›We conducted a user study to explore the potential of Large Language Models in co-creating internet memes with human participants.

PDF DOI arXiv

2024

Decoding Fatigue: Analyzing Offline Handwriting with Machine Learning to Detect Perceived Exhaustion

Dominik Schoen, Thomas Kosch, Till Becker, Godfred Antwi-Boasiako, Merret Jung, Ana Laura Chioca Vieira, Max Mühlhäuser, Florian Müller

MUM Proceedings of the International Conference on Mobile and Ubiquitous Multimedia, 2024

›We built a database of handwriting and drawing samples from 17 participants to investigate perceived exertion using machine learning techniques.

PDF DOI

Embracer: A Wearable Encountered-Type Haptic Controller for 3 DoF Input and Feedback

Dennis Dietz, Steeven Villa, Moritz Ziarko, Michael Bonfert, Florian Müller, Andreas Butz

ISWC Proceedings of the 2024 ACM International Symposium on Wearable Computers, 2024

›We built Embracer, a wearable encountered-type haptic controller that allows for three degrees of freedom input and feedback.

PDF DOI

Exploring Redirection and Shifting Techniques to Mask Hand Movements from Shoulder-Surfing Attacks during PIN Authentication in Virtual Reality

Yannick Weiss, Steeven Villa, Jesse W Grootjen, Matthias Hoppe, Yasin Kale, Florian Müller

PACMHCI Proc. ACM Hum.-Comput. Interact., 2024

›We designed and evaluated several masking techniques to obscure hand movements during PIN authentication in Virtual Reality to prevent shoulder-surfing attacks.

PDF DOI

Touch It Like It's Hot: A Thermal Feedback Enabled Encountered-type Haptic Display for Virtual Reality

Steeven Villa, Kenji Ishihara, Moritz Ziarko, Sebastian Günther, Florian Müller

ISMAR IEEE International Symposium on Mixed and Augmented Reality (ISMAR'24) 2024, 2024

›We designed and implemented a novel Encountered-type Haptic Display that incorporates thermal feedback to enhance user experiences in Virtual Reality.

PDF DOI Talk

Decide Yourself or Delegate - User Preferences Regarding the Autonomy of Personal Privacy Assistants in Private IoT-Equipped Environments

Karola Marky, Alina Stöver, Sarah Prange, Kira Bleck, Paul Gerber, Verena Zimmermann, Florian Müller, Florian Alt, Max Mühlhäuser

CHI Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems, 2024

›We conducted a series of studies to investigate user preferences regarding the autonomy of Personalized Privacy Assistants in Internet of Things-equipped environments, establishing a method for assigning users to privacy profiles based on their needs.

PDF DOI Talk

“Tele” Me More: Using Telepresence Charades to Connect Strangers and Exhibits in Different Museums

Clara Sayffaerth, Julian Rasch, Florian Müller

CHI EA Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, 2024

›We designed and tested a telepresence station that enables visitors in different museums to engage in Charades-like interactive exhibits using voiceless and touchless communication methods.

PDF DOI Video Talk

Just Undo It: Exploring Undo Mechanics in Multi-User Virtual Reality

Julian Rasch, Florian Perzl, Yannick Weiss, Florian Müller

CHI Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems, 2024

›We conducted a study to explore the influence of different undo techniques for object manipulation in multi-user Virtual Reality in various collaboration modes.

PDF DOI arXiv Video Talk

2023

ThermoFeet: Assessing On-Foot Thermal Stimuli for Directional Cues

Bettina Eska, Jeff-Owens Iyalekhue, Sebastian Günther, Jasmin Niess, Florian Müller

MUM Proceedings of the 22nd International Conference on Mobile and Ubiquitous Multimedia, 2023

›We built ThermoFeet, a system that provides thermal feedback on the feet to convey directional cues using four thermal actuators.

PDF DOI

My Heart Will Go On: Implicitly Increasing Social Connectedness by Visualizing Asynchronous Players' Heartbeats in VR Games

Linda Hirsch, Florian Müller, Francesco Chiossi, Theodor Benga, Andreas Martin Butz

PACMHCI Proceedings of the ACM on Human-Computer Interaction, 2023

›We designed a virtual escape room game that visualizes asynchronous players' heartbeats using various types of data visualizations.

PDF DOI Talk

Location-Aware Virtual Reality for Situational Awareness On the Road

Jingyi Li, Alexandra Mayer, Florian Müller, Andrii Matviienko, Andreas Butz

SUI Proceedings of the 2023 ACM Symposium on Spatial User Interaction, 2023

›We designed a location-aware Virtual Reality system that incorporates real-world cues during mobile interactions in vehicles, using two visualizations based on points of interest.

PDF DOI

DensingQueen: Exploration Methods for Spatial Dense Dynamic Data

Julius von Willich, Sebastian Günther, Andrii Matviienko, Martin Schmitz, Florian Müller, Max Mühlhäuser

SUI Proceedings of the 2023 ACM Symposium on Spatial User Interaction, 2023

›We designed and evaluated two interaction modalities, flashlight and 3D cutting planes, for exploring Spatial Dense Dynamic Data in Virtual Reality.

PDF DOI Code

Digital Modeling for Everyone: Exploring How Novices Approach Voice-Based 3D Modeling

Giuseppe Desolda, Andrea Esposito, Florian Müller, Sebastian Feger

INTERACT Human-Computer Interaction -- INTERACT 2023, 2023

›We conducted a high-fidelity Wizard of Oz study with 22 novice participants to explore how they approach voice-based 3D modeling.

PDF DOI

In Sync: Exploring Synchronization to Increase Trust Between Humans and Non-humanoid Robots

Wieslaw Bartkowski, Andrzej Nowak, Filip Ignacy Czajkowski, Albrecht Schmidt, Florian Müller

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We built a prototype of a simple non-humanoid robot that tracks and synchronizes with the upper body movements of humans to explore the impact of synchronization on trust.

PDF DOI arXiv Video Talk

When XR and AI Meet - A Scoping Review on Extended Reality and Artificial Intelligence

Teresa Hirzle, Florian Müller, Fiona Draxler, Martin Schmitz, Pascal Knierim, Kasper Hornbæk

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We conducted a scoping review of 311 publications to explore the intersection of Extended Reality and Artificial Intelligence research published between 2017 and 2021.

PDF DOI Talk

TicTacToes: Assessing Toe Movements as an Input Modality

Florian Müller, Daniel Schmitt, Andrii Matviienko, Dominik Schön, Sebastian Günther, Thomas Kosch, Martin Schmitz

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We conducted a controlled experiment to assess the feasibility of using toe movements as an input modality for computer systems, focusing on the influence of five factors on interaction performance.

PDF DOI arXiv Video Talk

UndoPort: Exploring the Influence of Undo-Actions for Locomotion in Virtual Reality on the Efficiency, Spatial Understanding and User Experience

Florian Müller, Arantxa Ye, Dominik Schön, Julian Rasch

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We built UndoPort, an extension of the point-and-teleport locomotion technique that incorporates undo actions for reverting position and orientation changes in Virtual Reality.

PDF DOI arXiv Video Talk

Going, Going, Gone: Exploring Intention Communication for Multi-User Locomotion in Virtual Reality

Julian Rasch, Vladislav Dmitrievic Rusakov, Martin Schmitz, Florian Müller

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We designed and implemented three intention communication methods for multi-user locomotion in Virtual Reality, comparing them with two baseline methods in a controlled experiment.

PDF DOI Video Talk

Tailor Twist: Assessing Rotational Mid-Air Interactions for Augmented Reality

Dominik Schön, Thomas Kosch, Florian Müller, Martin Schmitz, Sebastian Günther, Lukas Bommhardt, Max Mühlhäuser

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We conducted a systematic evaluation of the ergonomics of rotational mid-air interactions in Augmented Reality environments through a controlled experiment with 19 participants.

PDF DOI Video Talk

Using Pseudo-Stiffness to Enrich the Haptic Experience in Virtual Reality

Yannick Weiss, Steeven Villa, Albrecht Schmidt, Sven Mayer, Florian Müller

CHI Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

›We designed a novel technique for altering the perceived stiffness of objects in Virtual Reality by manipulating the Control-to-Display ratio while users press down on a fixed stiffness object.

PDF DOI Talk

Understanding Stationary and Moving Direct Skin Vibrotactile Stimulation on the Palm

Hesham Elsayed, Martin Weigel, Florian Müller, George Ibrahim, Jan Gugenheimer, Martin Schmitz, Sebastian Günther, Max Mühlhäuser

arXiv, 2023

›We conducted two user studies to investigate the effects of stationary and moving direct skin vibrotactile stimulation on the palm.

PDF DOI arXiv

Hands-On 3D Printed Electronics

Julian Rasch, Florian Müller, Thomas Kosch, Martin Schmitz, Sebastian S. Feger

TEI Proceedings of the Seventeenth International Conference on Tangible, Embedded, and Embodied Interaction, 2023

›We conducted a hands-on workshop focused on best practices and design recommendations for 3D printed electronics.

PDF DOI

2022

Rethinking Smart Objects: The International Workshop on Interacting with Smart Objects in Interactive Spaces

Martin Schmitz, Sebastian Günther, Karola Marky, Florian Müller, Andrii Matviienko, Alexandra Voit, Roberts Marky, Max Mühlhäuser, Thomas Kosch

ISS Companion Proceedings of the 2022 Conference on Interactive Surfaces and Spaces, 2022

›We conducted the Rethinking Smart Objects workshop, focusing on the interaction paradigms and societal implications of smart objects in interactive spaces.

PDF DOI Code

TrackItPipe: A Fabrication Pipeline To Incorporate Location and Rotation Tracking Into 3D Printed Objects

Dominik Schön, Thomas Kosch, Martin Schmitz, Florian Müller, Sebastian Günther, Johannes Kreutz, Max Mühlhäuser

UIST Adjunct Proceedings of the 35th Annual ACM Symposium on User Interface Software and Technology, 2022

›We built TrackItPipe, a fabrication pipeline that allows users to semi-automatically integrate location and rotation tracking capabilities into 3D printed objects.

PDF DOI Code

NotiBike: Assessing Target Selection Techniques for Cyclist Notifications in Augmented Reality

Thomas Kosch, Andrii Matviienko, Florian Müller, Jessica Bersch, Christopher Katins, Dominik Schön, Max Mühlhäuser

PACMHCI Proceedings of the ACM on Human-Computer Interaction, 2022

›We conducted a study to evaluate three notification selection techniques—Dwell Time, Gestures, and MAGIC Pointing—specifically for cyclists using Augmented Reality in a simulated biking scenario.

PDF DOI Video

Baby, You Can Ride My Bike: Exploring Maneuver Indications of Self-Driving Bicycles Using a Tandem Simulator

Andrii Matviienko, Damir Mehmedovic, Florian Müller, Max Mühlhäuser

PACMHCI Proceedings of the ACM on Human-Computer Interaction, 2022

›We designed and evaluated four types of maneuver indications for self-driving bicycles using a tandem simulator to create a realistic cycling experience without control by the rider.

PDF DOI Video

MuC '22: Proceedings of Mensch Und Computer 2022

Max Mühlhauser, Christian Reuter, Bastian Pfleging, Thomas Kosch, Andrii Matviienko, Kathrin Gerling, Sven Mayer, Wilko Heuten, Tanja Döring, Florian Müller, Martin Schmitz

Association for Computing Machinery, 2022

›We hosted the Mensch und Computer 2022 conference at the Technische Universität Darmstadt, gathering nearly 600 participants from academia and industry.

DOI

Proper Posture: Designing Posture Feedback Across Musical Instruments

Bettina Eska, Jasmin Niess, Florian Müller

arXiv, 2022

›We designed a haptic feedback system to support musicians in maintaining proper hand posture while playing musical instruments, using vibrotactile and thermal cues.

PDF DOI arXiv

Smooth as Steel Wool: Effects of Visual Stimuli on the Haptic Perception of Roughness in Virtual Reality

Sebastian Günther, Julian Rasch, Dominik Schön, Florian Müller, Martin Schmitz, Jan Riemann, Andrii Matviienko, Max Mühlhäuser

CHI Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems, 2022

›We conducted an experiment assessing how visualizations affect the haptic perception of roughness in Virtual Reality, using a prototype designed for arm stroking.

PDF DOI Video Talk

SkyPort: Investigating 3D Teleportation Methods in Virtual Environments

Andrii Matviienko, Florian Müller, Martin Schmitz, Marco Fendrich, Max Mühlhäuser

CHI CHI Conference on Human Factors in Computing Systems, 2022

›We designed six new 3D teleportation methods in virtual environments by combining linear and parabolic aiming with different transitioning types.

PDF DOI Talk

BikeAR: Understanding Cyclists' Crossing Decision-Making at Uncontrolled Intersections Using Augmented Reality

Andrii Matviienko, Florian Müller, Dominik Schön, Paul Seesemann, Sebastian Günther, Max Mühlhäuser

CHI Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems, 2022

›We designed two Augmented Reality visualizations, X-ray and Countdown, to assist cyclists in making crossing decisions at uncontrolled intersections.

PDF DOI Video Talk

E-ScootAR: Exploring Unimodal Warnings for E-Scooter Riders in Augmented Reality

Andrii Matviienko, Florian Müller, Dominik Schön, Régis Fayard, Salar Abaspur, Yi Li, Max Mühlhäuser

CHI EA Extended Abstracts of the 2022 CHI Conference on Human Factors in Computing Systems, 2022

›We conducted an outdoor experiment comparing three unimodal warnings for E-Scooter riders using Augmented Reality notifications, auditory signals, and vibrotactile feedback in a simulated environment.

PDF DOI Talk

Reducing Virtual Reality Sickness for Cyclists in VR Bicycle Simulators

Andrii Matviienko, Florian Müller, Marcel Zickler, Lisa Alina Gasche, Julia Abels, Till Steinert, Max Mühlhäuser

CHI Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems, 2022

›We conducted two controlled lab experiments to evaluate steering methods and countermeasures aimed at reducing virtual reality sickness in bicycle simulators.

PDF DOI Talk

Squeezy-Feely: Investigating Lateral Thumb-Index Pinching as an Input Modality

Martin Schmitz, Sebastian Günther, Dominik Schön, Florian Müller

CHI Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems, 2022

›We conducted a systematic evaluation of lateral thumb-index pinching as an input modality through a controlled experiment comparing various grip spans, counterforces, and directions in a visual targeting task.

PDF DOI Video Talk

2021

CameraReady: Assessing the Influence of Display Types and Visualizations on Posture Guidance

Hesham Elsayed, Philipp Hoffmann, Sebastian Günther, Martin Schmitz, Martin Weigel, Max Mühlhäuser, Florian Müller

DIS Designing Interactive Systems Conference 2021, 2021

›We built CameraReady, a mobile and cross-platform posture guidance system that evaluates the influence of different display types and visualizations on user performance.

PDF DOI Video Talk

ActuBoard: An Open Rapid Prototyping Platform to Integrate Hardware Actuators in Remote Applications

Sebastian Günther, Florian Müller, Felix Hübner, Max Mühlhäuser, Andrii Matviienko

EICS Companion of the 2021 ACM SIGCHI Symposium on Engineering Interactive Computing Systems, 2021

›We built ActuBoard, a prototyping platform designed to minimize initial setup and facilitate the integration of hardware actuators in remote applications.

PDF DOI Code

Let's Frets! Assisting Guitar Students During Practice via Capacitive Sensing

Karola Marky, Andreas Weiß, Andrii Matviienko, Florian Brandherm, Sebastian Wolf, Martin Schmitz, Florian Krell, Florian Müller, Max Mühlhäuser, Thomas Kosch

CHI Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, 2021

›We built Let’s Frets, a modular guitar learning system that incorporates visual indicators and capacitive sensing to assist guitar students during practice.

PDF DOI Video Talk

Let's Frets! Mastering Guitar Playing with Capacitive Sensing and Visual Guidance

Karola Marky, Andreas Weiß, Florian Müller, Martin Schmitz, Max Mühlhäuser, Thomas Kosch

CHI EA Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems, 2021

›We built Let’s Frets, a modular guitar support system that integrates capacitive sensing and visual guidance through an augmented fretboard and a mobile application.

PDF DOI Video

VRtangibles: Assisting Children in Creating Virtual Scenes Using Tangible Objects and Touch Input

Andrii Matviienko, Marcel Langer, Florian Müller, Martin Schmitz, Max Mühlhäuser

CHI EA Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems, 2021

›We built VRtangibles, a system that combines tangible objects and touch input to assist children in creating virtual scenes without needing programming knowledge.

PDF DOI Talk

Itsy-Bits: Fabrication and Recognition of 3D-Printed Tangibles with Small Footprints on Capacitive Touchscreens

Martin Schmitz, Florian Müller, Max Mühlhäuser, Jan Riemann, Huy Viet Viet Le

CHI Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, 2021

›We built Itsy-Bits, a fabrication pipeline for 3D printing and recognizing tangibles on capacitive touchscreens with a footprint as small as a fingertip.

PDF DOI Video Talk

Oh, Snap! A Fabrication Pipeline to Magnetically Connect Conventional and 3D-Printed Electronics

Martin Schmitz, Jan Riemann, Florian Müller, Steffen Kreis, Max Mühlhäuser

CHI Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, 2021

›We built the Oh, Snap! fabrication pipeline, which magnetically connects 3D-printed objects equipped with passive sensing structures to conventional electronics.

PDF DOI Video Talk Code

2020

VibroMap: Understanding the Spacing of Vibrotactile Actuators across the Body

Hesham Elsayed, Martin Weigel, Florian Müller, Martin Schmitz, Karola Marky, Sebastian Günther, Jan Riemann, Max Mühlhäuser

IMWUT Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, 2020

›We conducted two systematic experiments to investigate the spacing of vibrotactile actuators across different body parts to determine minimum and maximum effective distances for vibrotactile displays.

PDF DOI Talk

Exploring User Expectations of Proactive AI Systems

Christian Meurisch, Cristina A. Mihale-Wilson, Adrian Hawlitschek, Florian Giger, Florian Müller, Oliver Hinz, Max Mühlhäuser

IMWUT Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, 2020

›We conducted an in-the-wild study to explore user expectations of proactive artificial intelligence systems across various use cases and proactivity levels with 272 participants using our mobile application ProfileMe.

PDF DOI

VRSketchPen: Unconstrained Haptic Assistance for Sketching in Virtual 3D Environments

Hesham Elsayed, Mayra Donaji Barrera Machuca, Christian Schaarschmidt, Karola Marky, Florian Müller, Jan Riemann, Andrii Matviienko, Martin Schmitz, Martin Weigel, Max Mühlhäuser

VRST 26th ACM Symposium on Virtual Reality Software and Technology, 2020

›We built VRSketchPen, a pen that uses pneumatic and vibrotactile feedback to enhance sketching accuracy in virtual three-dimensional environments without constraining user actions.

PDF DOI

Therminator : Understanding the Interdependency of Visual and On-Body Thermal Feedback in Virtual Reality

Sebastian Günther, Omar Elmoghazy, Florian Müller, Max Mühlhäuser, Dominik Schön, Martin Schmitz

CHI Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems - CHI '20, 2020

›We built Therminator, a thermal display concept that provides localized thermal feedback using flowing liquids through a network of tubes in Virtual Reality.

PDF DOI Video Talk

PneumoVolley: Pressure-based Haptic Feedback on the Head through Pneumatic Actuation

Sebastian Günther, Dominik Schön, Florian Müller, Max Mühlhäuser, Martin Schmitz

CHI EA Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems - CHI '20, 2020

›We built PneumoVolley, a Virtual Reality experience that utilizes pneumatic actuation to provide pressure-based haptic feedback on the head during gameplay.

PDF DOI Video Talk

Around-Body Interaction: Leveraging Limb-movements for Interacting in a Digitally Augmented Physical World

Florian Müller

TUprints, 2020

›We designed and developed four interaction techniques that leverage both upper and lower limb movements for interacting with Head-Mounted Displays in a digitally augmented environment.

PDF DOI

Podoportation: Foot-Based Locomotion in Virtual Reality

Julius Von Willich, Martin Schmitz, Florian Müller, Daniel Schmitt, Max Mühlhäuser

CHI Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems - CHI '20, 2020

›We built and evaluated nine novel locomotion concepts for foot-based teleportation in Virtual Reality, using the 3D position and pressure of the user's feet as input modalities.

PDF DOI Video Talk

Around-Body Interaction: Über Die Nutzung Der Bewegungen von Gliedmaß en Zur Interaktion in Einer Digital Erweiterten Physischen Welt

Florian Müller

Ausgezeichnete Informatikdissertationen 2019, 2020

›We designed interaction techniques that leverage limb movements for augmented reality applications using head-mounted displays.

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Around-Body Interaction: Interacting While on the Go

Florian Müller, Sebastian Günther, Max Mühlhauser

IEEE Pervasive IEEE Pervasive Computing, 2020

›We designed a conceptual framework for around-body interaction techniques using the natural skills and dexterity of our limbs.

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Walk The Line: Leveraging Lateral Shifts of the Walking Path as an Input Modality for Head-Mounted Displays

Florian Müller, Martin Schmitz, Daniel Schmitt, Sebastian Günther, Markus Funk, Max Mühlhäuser

CHI Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, 2020

›We designed a hands-free input modality for Head-Mounted Displays by leveraging lateral shifts of the walking path, visualizing options as lanes on the ground.

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2019

Trends on Engineering Interactive Systems: An Overview of Works Presented in Workshops at EICS 2019

Damiano Distante, Alexandra Voit, Marco Winckler, Regina Bernhaupt, Judy Bowen, José Creissac Campos, Florian Müller, Philippe Palanque, Jan Van den Bergh, Benjamin Weyers

EICS Proceedings of the ACM SIGCHI Symposium on Engineering Interactive Computing Systems - EICS '19, 2019

›We conducted workshops at the 11th Engineering Interactive Computing Systems conference to discuss research and trends in the engineering of interactive systems.

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Slappyfications: Towards Ubiquitous Physical and Embodied Notifications

Sebastian Günther, Florian Müller, Markus Funk, Max Mühlhäuser

CHI EA Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems - CHI '19, 2019

›We built a palm-based interface for a novel notification system called Slappyfications that enables users to send three types of unmissable notifications: poke, slap, and the STEAM-HAMMER.

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PneumAct: Pneumatic Kinesthetic Actuation of Body Joints in Virtual Reality Environments

Sebastian Günther, Mohit Makhija, Florian Müller, Dominik Schön, Max Mühlhäuser, Markus Funk

DIS Proceedings of the 2019 on Designing Interactive Systems Conference, 2019

›We built PneumAct, a pneumatic jacket that enables kinesthetic movements of body joints in Virtual Reality environments by using two types of actuators: Contraction Actuators to flex joints and Extension Actuators to extend them.

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Mind the Tap: Assessing Foot-Taps for Interacting with Head-Mounted Displays

Florian Müller, Joshua McManus, Sebastian Günther, Martin Schmitz, Max Mühlhäuser, Markus Funk

CHI Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems - CHI '19, 2019

›We conducted two controlled experiments to explore foot-tapping as an input modality for interacting with Head-Mounted Displays.

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Proceedings of the 7th Workshop on Interacting with Smart Objects

TUprints, 2019

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./Trilaterate: A Fabrication Pipeline to Design and 3D Print Hover-, Touch-, and Force-Sensitive Objects

Martin Schmitz, Martin Stitz, Florian Müller, Markus Funk, Max Mühlhäuser

CHI Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems - CHI '19, 2019

›We built Trilaterate, a fabrication pipeline that enables users to 3D print custom objects capable of detecting hover, touch, and force interactions through embedded capacitive sensors.

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VRChairRacer: Using an Office Chair Backrest as a Locomotion Technique for VR Racing Games

Julius von Willich, Dominik Schön, Sebastian Günther, Florian Müller, Max Mühlhäuser, Markus Funk

CHI EA Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems - CHI '19, 2019

›We built VRChairRacer, a novel locomotion technique that uses the backrest of an office chair to control a virtual racing cart in a multiplayer racing game.

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You Invaded My Tracking Space! Using Augmented Virtuality for Spotting Passersby in Room-Scale Virtual Reality

Julius von Willich, Markus Funk, Florian Müller, Karola Marky, Jan Riemann, Max Mühlhäuser

DIS Proceedings of the 2019 on Designing Interactive Systems Conference - DIS '19, 2019

›We designed and evaluated three different visualizations to represent physical passersby in a Virtual Environment using Augmented Virtuality.

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Assessing the Accuracy of Point & Teleport Locomotion with Orientation Indication for Virtual Reality Using Curved Trajectories

Markus Funk, Florian Müller, Marco Fendrich, Megan Shene, Moritz Kolvenbach, Niclas Dobbertin, Sebastian Günther, Max Mühlhäuser

CHI Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, 2019

›We introduced and evaluated three point & teleport locomotion techniques for Virtual Reality that allow users to specify the target orientation in addition to the target position.

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2018

TactileGlove: Assistive Spatial Guidance in 3D Space through Vibrotactile Navigation

Sebastian Günther, Florian Müller, Markus Funk, Jan Kirchner, Niloofar Dezfuli, Max Mühlhäuser

PETRA Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference, 2018

›We built TactileGlove, a smart glove with vibrotactile actuators that provides spatial guidance in three-dimensional space.

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UPA'18: 3rd International Workshop on Ubiquitous Personal Assistance

Christian Meurisch, Max Mühlhäuser, Philipp M. Scholl, Usman Naeem, Veljko Pejovi\'c, Florian Müller, Elena Di Lascio, Pei-Yi Patricia Kuo, Sebastian Kauschke, Muhammad Awais Azam

UbiComp Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers - UbiComp '18, 2018

›We conducted the Third International Workshop on Ubiquitous Personal Assistance to discuss the latest research outcomes and interdisciplinary approaches in the development and design of digital personal assistants.

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CaMea: Camera-Supported Workpiece Measurement for CNC Milling Machines

Florian Müller, Maximilian Barnikol, Markus Funk, Martin Schmitz, Max Mühlhäuser

PETRA Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference on - PETRA '18, 2018

›We designed and implemented CaMea, a graphical user interface that utilizes a camera to support users in measuring workpieces inside a computer numerically controlled milling machine.

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Personalized User-Carried Single Button Interfaces as Shortcuts for Interacting with Smart Devices

Florian Müller, Martin Schmitz, Markus Funk, Sebastian Günther, Niloofar Dezfuli, Max Mühlhäuser

CHI EA Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems - CHI '18, 2018

›We built a proof-of-concept prototype of a personalized user-carried single button interface for interacting with a smart coffee machine.

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SmartObjects: Sixth Workshop on Interacting with Smart Objects

Florian Müller, Dirk Schnelle-Walka, Tobias Grosse-Puppendahl, Sebastian Günther, Markus Funk, Kris Luyten, Oliver Brdiczka, Niloofar Dezfuli, Max Mühlhäuser

CHI EA Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems - CHI '18, 2018

›We conducted a workshop focused on how to design interactions with smart objects to enhance user experience.

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An Analysis of Language Impact on Augmented Reality Order Picking Training

Nela Murauer, Florian Müller, Sebastian Günther, Dominik Schön, Nerina Pflanz, Markus Funk

PETRA Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference, 2018

›We conducted a user study comparing three order picking assistance systems: textual instructions in German, textual instructions in Finnish, and an Augmented Reality system using a Microsoft HoloLens.

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Proceedings of the 6th Workshop on Interacting with Smart Objects (SmartObjects)

SmartObjects 6th Workshop on Interacting with Smart Objects (SmartObjects), 2018

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CheckMate: Exploring a Tangible Augmented Reality Interface for Remote Interaction

Sebastian Günther, Florian Müller, Martin Schmitz, Jan Riemann, Niloofar Dezfuli, Markus Funk, Dominik Schön, Max Mühlhäuser

CHI EA Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems, 2018

›We built CheckMate, a tangible Augmented Reality interface that integrates 3D printed objects and touch-enabled surfaces for remote interaction.

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2017

Cloudbits: Supporting Conversations through Augmented Zero-query Search Visualization

Florian Müller, Sebastian Günther, Azita Hosseini Nejad, Niloofar Dezfuli, Mohammadreza Khalilbeigi, Max Mühlhäuser

SUI Proceedings of the 5th Symposium on Spatial User Interaction, 2017

›We built CloudBits, an augmented reality system for head-mounted displays that visualizes and retrieves information proactively during conversations.

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Manufacturing Method of Sensor Using 3d Printing and 3d Printer Thereof

Woo Sug Jung, Hwa Suk Kim, Jun Ki Jeon, Seong Kyoun Jo, Hyun Woo Lee, Martin Schmitz, Florian Müller, Andreas Leister, Jan Riemann, Niloofar Dezfuli, Max Mühlhäuser, Mohammadreza Khalilbeigi

TU Darmstadt, 2017

›We developed a manufacturing method for a sensor using three-dimensional printing techniques.

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BYO*: Utilizing 3D Printed Tangible Tools for Interaction on Interactive Surfaces

Sebastian Günther, Martin Schmitz, Florian Müller, Jan Riemann, Max Mühlhäuser

SmartObjects Proceedings of the 2017 ACM Workshop on Interacting with Smart Objects, 2017

›We designed and built two interaction concepts, Bring Your Own Information and Bring Your Own Tool, utilizing 3D printed tangible objects for enhanced interaction on touch-enabled surfaces.

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An Evaluation of Hybrid Stacking on Interactive Tabletops

Jan Riemann, Florian Müller, Sebastian Günther, Max Mühlhäuser

SmartObjects Proceedings of the 2017 ACM Workshop on Interacting with Smart Objects, 2017

›We built an integrated hybrid tabletop system called StackTop that enables true hybrid stacking of digital and physical documents.

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SmartObjects: Fifth Workshop on Interacting with Smart Objects

Dirk Schnelle-Walka, Florian Müller, Tobias Grosse-Puppendahl, Kris Luyten, Max Mühlhäuser, Oliver Brdiczka

IUI Proceedings of the 22nd International Conference on Intelligent User Interfaces Companion, 2017

›We conducted a workshop focused on how to design interactions with smart objects to enhance user experience.

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2016

ProxiWatch: Enhancing Smartwatch Interaction through Proximity-Based Hand Input

Florian Müller, Sebastian Günther, Niloofar Dezfuli, Mohammadreza Khalilbeigi, Max Mühlhäuser

CHI EA Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems - CHI EA '16, 2016

›We built ProxiWatch, a one-handed proximity-based input modality for smartwatches that utilizes the elbow joint's degree of freedom for interaction.

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FreeTop: Finding Free Spots for Projective Augmentation

Jan Riemann, Mohammadreza Khalilbeigi, Martin Schmitz, Sebastian Doeweling, Florian Müller, Max Mühlhäuser

CHI EA Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems, 2016

›We built FreeTop, an approach that automatically identifies suitable areas for projection and touch interaction using depth and color information.

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Liquido: Embedding Liquids into 3D Printed Objects to Sense Tilting and Motion

Martin Schmitz, Andreas Leister, Niloofar Dezfuli, Jan Riemann, Florian Müller, Max Mühlhäuser

CHI EA Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems, 2016

›We built a method to embed liquids into 3D printed objects to sense various tilting and motion interactions using capacitive sensing.

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SCWT: A Joint Workshop on Smart Connected and Wearable Things

Dirk Schnelle-Walka, Lior Limonad, Tobias Grosse-Puppendahl, Joel Lanir, Florian Müller, Massimo Mecella, Kris Luyten, Tsvi Kuflik, Oliver Brdiczka, Max Mühlhäuser

IUI Companion Publication of the 21st International Conference on Intelligent User Interfaces, 2016

›We conducted a workshop that focused on advanced interactions with Smart Connected and Wearable Things in the context of the Internet of Things.

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2015

A Study of On-body User Interface: PiAM(Palm interAction Module)

Seng-Kyoun Jo, 이현우, Kim Jinsul, Florian Müller, Mohammed Khalilbeigi, Max Mühlhäuser

Journal of Knowledge Information Technology and Systems, 2015

›We conducted an investigation into user interfaces that prioritize human interaction through intuitive design and accessibility.

A Study on Proximity-based Hand Input for One-handed Mobile Interaction

Florian Müller, Mohammadreza Khalilbeigi, Niloofar Dezfuli, Alireza Sahami Shirazi, Sebastian Günther, Max Mühlhäuser

SUI Proceedings of the 3rd ACM Symposium on Spatial User Interaction, 2015

›We conducted a study to investigate the efficacy of proximity-based hand input for one-handed mobile interaction using the elbow joint's flexion and extension.

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Palm-Based Interaction with Head-mounted Displays

Florian Müller, Niloofar Dezfuli, Max Mühlhäuser, Martin Schmitz, Mohammadreza Khalilbeigi

MobileHCI Proceedings of the 17th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct - MobileHCI '15, 2015

›We designed two interaction concepts that leverage the user's palm as a 2D interactive surface for head-mounted displays.

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2012

PalmRC: Imaginary Palm-Based Remote Control for Eyes-Free Television Interaction

Niloofar Dezfuli, Mohammadreza Khalilbeigi, Jochen Huber, Florian Müller, Max Mühlhäuser

EuroiTV EuroiTV'12 - Proceedings of the 10th European Conference on Interactive TV and Video, 2012

›We built PalmRC, an eyes-free, palm-surface-based television remote control that allows users to interact with their non-dominant hand while focusing on the television screen.

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