Our main research interests focus on Big Data Visualization, Multi-User Virtual Reality, Information Visualization, Scientific Visualization, Real-Time Rendering and Human-Computer Interaction.
Multi-User Virtual Reality
- Estimating Detection Thresholds of Being Looked at in Virtual Reality for Avatar Redirection
- AMIS: An Audiovisual Dataset for Multimodal XR Research
- On Virtual Pointing Rays and Motion Artefacts
- Influence of Audiovisual Realism on Communication Behaviour in Group-to-Group Telepresence
- Follow Me: Confimration-based Group Navigation in Collocated Virtual Reality
- Perceived Asynchrony of Rhythmic Stimuli Affects Pupil Diameter and Smooth Pursuit Eye Movements
- Social VR Activities Should Support Ongoing Conversation - Comparing Older and Young Adults Desires and Requirements
- The Guide's Apprentices: Engaging Visitors of Virtual Museums through Appropriate Agent Embodiments
- Speaking with Objects: Conversational Agents’ Embodiment in Virtual Museums
- Immersive Study Analyzer: Collaborative Immersive Analysis of Recorded Social VR Studies
- Editing Immersive Recordings: An Elicitation Study
- Excuse Me: Large Groups in Small Rooms
- UniteXR: Joint Exploration of a Real-World Museum and its Digital Twin
- Gaining the High Ground: Teleportation to Mid-Air Targets in Immersive Virtual Environments
- Volumetric Avatar Reconstruction with Spatio-Temporally Offset RGBD Cameras
- Output-Sensitive Avatar Representations for Immersive Telepresence
- Projection-based Multi-User VR Applications
- Group Navigation for Guided Tours in Distributed Virtual Environments
- An Overview of Group Navigation in Multi-User Virtual Reality
- Getting There Together: Group Navigation in Distributed Virtual Environments
- Tracking Multiple Collocated HTC Vive Setups in a Common Coordinate System
- The Collaborative Virtual Reality Neurorobotics Lab
- Multi-Ray Jumping: Comprehensible Group Navigation for Collocated Users in Immersive Virtual Reality
- Multi-Window 3D Interaction for Collaborative Virtual Reality
- Virtual Valcamonica: Collaborative Exploration of Prehistoric Petroglyphs and Their Surrounding Environment in Multi-User Virtual Reality
- Immersive Group-to-Group Telepresence
- Finger and hand detection for multi-touch interfaces based on maximally stable extremal regions
- Three Extensions to Subtractive Crosstalk Reduction
- Non-Uniform Crosstalk Reduction for Dynamic Scenes
- Consistent Illumination within Optical See-Through Augmented Environments
- Real-time view-dependent image warping
- The Two-User Seating Buck
- Combining Wave Field Synthesis and Multi-Viewer Stereo Displays
- Projection-based Multi-Viewer Systems
- C1x6: A Stereoscopic Six-User Display for Co-located Collaboration in Shared Virtual Environments
- Building on Realism and Magic for Designing 3D Interaction Techniques (Tutorial)
- The Illusion-Hole Station
- The Virtual Showcase
- Object-Capability Security in Virtual Environments
- "two - 4 - six" - A Handheld Device for 3D-Presentations
Information Visualization
- Burger Charts: A Quantitative Display of Set Intersections
- Rose Charts: Area or Length Encoding for Fill Level of Circle Sectors?
- Smooth Transitions Between Parallel Coordinates and Scatter Plots via Polycurve Star Plots
- Multitouch Interaction with Parallel Coordinates on Large Vertical Displays
- Short-Contact Touch-Manipulation of Scatterplot Matrices on Wall Displays
- Configuration Finder: A Tidy Visual Interface for Effective Faceted Search
- Touch the Time: Touch-Centered Interaction Paradigms for Time-Oriented Data
- HistoGlobe: Teaching History Visually
- Time-Series Plots Integrated in Parallel-Coordinates Displays
- Visual Monitoring of Photovoltaic Systems
- The Product Explorer
- Visualizing Food Ingredients for Kids by Utilizing Glyph-Based Characters
- Interactive Sankey Diagrams
- The i-Disc
Scientific Visualization
- Spatiotemporal LOD-Blending for Artifact Reduction in Multi-resolution Volume Rendering
- Direct Isosurface Ray Casting of NURBS-based Isogeometric Analysis
- GPU-based Ray Casting of Stacked Out-of-Core Height Fields
- Ray Casting of Multiple Multi-Resolution Volume Datasets
- A Flexible Multi-Volume Shader Framework
- Visualization of Uncertainty
- Octreemizer
- Visualization of Geological Data
Real-Time Rendering
- Smaller than Pixels: Rendering Millions of Stars in Real-Time
- Efficient Direct Isosurface Rasterization of Scalar Volumes
- A Geometry-based Method for the Spatio-temporal Detection of Cracks in 4D-Reconstructions
- 3D Image Warping and Multi-Frame Rate Rendering Techniques
- Error-Controlled Multi-Resolution Volume Rendering
- Order-Independent Transparency for Programmable Deferred Shading Pipelines
- guacamole - An Extensible Scene Graph and Rendering Framework Based on Deferred Shading
- Beschleunigungsstrukturen für echtzeitfähiges Ray-Tracing auf aktueller Hardware-Infrastruktur
- Multiple View Generation for Auto-stereoscopic Displays
- GPU-based Ray Tracing of Dynamic Scenes
- Fast Construction of SAH-based Bounding Interval Hierarchies using Dynamic Parallelism
- Occlusion Shadows
- Selective Refinement of Progressive Meshes
- Fast Normal Map Generation for Simplified Meshes
- Direct Rendering of Trimmed NURBS Surfaces on the GPU
- Consistent Illumination for Mixed Reality Szenarios
- Level Of Detail Based Occlusion Culling for Dynamic Scenes
- Real-Time Ray Tracing
Human-Computer Interaction
- Media Systems for Children with Intellectual Disabilities
- The Globefish
- The Spheron
- The Bent Pick Ray
- The Globewing
- Elastic Control for Navigation Tasks on Pen-based Handheld Computers
- Tracker vs Controller
- The two-4-six
- The Cubic Mouse
- The YoYo: A Handheld Device Combining Elastic and Isotonic Input
- The Groovepad
- Improving Co-located Collaboration with Show-Through Techniques
- The Pie Slider
- The Haptic Space Mouse
- Pseudo-Physical Interaction with a Virtual Car Interior
- Tools, Mediators, and Interaction Operators
- Tactile Feedback at the Finger Tips
- Haptic Feedback Through Weight Shifting
- Vectorix: A Low-Tech Mechanical Tracking System
- Virtual Rotations for Maneuvering in Immersive Virtual Environments
- On Motor Performance in Virtual 3D Object Manipulation
- Virtual Projection Planes for the Visual Comparison of Photogrammetric 3D Reconstructions with Photo Footage
- On the Usage of the Simulator Sickness Questionnaire for Virtual Reality Research
- RST 3D: A Comprehensive Gesture Set for Multitouch 3D Navigation
- Spatial Updating and Simulator Sickness during Steering and Jumping in Immersive Virtual Environments
- Hybrid Lossless-Lossy Compression for Depth-Sensor Streams
- Calibration of RGBD-Sensors
- Photoportals: Shared References in Space and Time
- 3D Desktop Interaction
- 3D Handheld Interaction
- 2D Desktop Interaction
- Experimental and Conceptual Work
- A Generalized God-Object Method for Plausible Finger-Based Interactions in Virtual Environments
- Effective Manipulation
- Natural Interaction Metaphors
- See-through Techniques
- A Soft Hand Model
- Virtual vs. Real-World Pointing
- Co-Located Two-User Scenarios