Publications

Pre-Prints

Evaluating Text-to-Image Synthesis: Survey and Taxonomy of Image Quality Metrics

Sebastian Hartwig, Dominik Engel, Leon Sick, Hannah Kniesel, Tristan Payer, Poonam Poonam, Michael Glöckler, Alex Bäuerle, Timo Ropinski

https://arxiv.org/abs/2403.11821 2024
ClusterNet: A Perception-Based Clustering Model for Scattered Data

Sebastian Hartwig, Christian van Onzenoodt, Dominik Engel, Pedro Hermosilla, Timo Ropinski

https://arxiv.org/abs/2304.14185 2024
Leveraging Self-Supervised Vision Transformers for Neural Transfer Function Design

Dominik Engel, Leon Sick, Timo Ropinski

2309.01408 2023
LLMMaps - A Visual Metaphor for Stratified Evaluation of Large Language Models

Patrik Puchert, Poonam Poonam, Christian van Onzenoodt, Timo Ropinski

2023
AutoTherm: A Dataset and Ablation Study for Thermal Comfort Prediction in Vehicles

Mark Colley, Sebastian Hartwig, Albin Zeqiri, Timo Ropinski, Enrico Rukzio

https://arxiv.org/abs/2211.08257 2023

Peer-Reviewed

2024
- Towards Differentiable Electron Microscopy Simulation: Methods and Applications
  
  Ngan Nguyen, Feng Liang, Dominik Engel, Ciril Bohak, Peter Wonka, Timo Ropinski, Ivan Viola
  
  IEEE Pacific Visualization Symposium 2024
- Validation of the ViGaTu Immersive Virtual Reality Endoscopy Training System for Physicians and Nurses
  
  Dorothea Henninger, Monika Engelke, Julian Kreiser, Valentin Riemer, Eva Vierzba, Stavros Dimitriadis, Alexander Meining, Tina Seufert, Timo Ropinski, Alexander Hann
  
  Journal of Gastrointestinal and Liver Diseases 2024
- mint: Integrating Scientific Visualizations Into Virtual Reality
  
  Sergej Geringer, Florian Geiselhart, Alex Bäuerle, Dominik Dec, Olivia Odenthal, Guido Reina, Timo Ropinski, Daniel Weiskopf
  
  Japan Visualization Symposium 2024
- Weakly Supervised Virus Capsid Detection with Image-Level Annotations in Electron Microscopy Images
  
  Hannah Kniesel, Leon Sick, Tristan Payer, Tim Bergner, Kavitha Shaga Devan, Clarissa Read, Paul Walther, Timo Ropinski, Pedro Hermosilla
  
  International Conference on Learning Representations 2024
- Lang3DSG: Language-based contrastive pre-training for 3D scene graph prediction
  
  Sebastian Koch, Pedro Hermosilla, Narunas Vaskevicius, Mirco Colosi, Timo Ropinski
  
  International Conference on 3D Vision 2024
- SGRec3D: Self-Supervised Pre-training for 3D Scene Graph prediction
  
  Sebastian Koch, Pedro Hermosilla, Narunas Vaskevicius, Mirco Colosi, Timo Ropinski
  
  IEEE/CVF Winter Conference on Applications of Computer Vision 2024
- Spatially Guiding Unsupervised Semantic Segmentation Through Depth-Informed Feature Distillation and Sampling
  
  Leon Sick, Dominik Engel, Pedro Hermosilla, Timo Ropinski
  
  IEEE Conference on Computer Vision and Pattern Recognition 2024
2023
- CT Radiomics and Clinical Feature Model to Predict Lymph Node Metastases in Early-Stage Testicular Cancer
  
  Cathrina Silvia Lisson, Sabitha Manoj, Daniel Wolf, Jasper Schrader, Stefan Andreas Schmidt, Meinrad Beer, Michael Götz, Friedemann Zengerling, Christoph Gerhard Lisson
  
  Onco 2023
- Self-Supervised Pre-Training with Contrastive and Masked Autoencoder Methods for Dealing with Small Datasets in Deep Learning for Medical Imaging
  
  Daniel Wolf, Tristan Payer, Cathrina Silvia Lisson, Christoph Gerhard Lisson, Meinrad Beer, Michael Götz*, Timo Ropinski*
  
  Nature Scientific Reports 2023
- Medical volume segmentation by overfitting sparsely annotated data
  
  Tristan Payer, Faraz Nizamani, Meinrad Beer, Michael Götz, Timo Ropinski
  
  Journal of Medical Imaging 2023
- Levels of explicability for medical artificial intelligence: What do we normatively need and what can we technically reach?
  
  Frank Ursin, Felix Lindner, Timo Ropinski, Sabine Salloch, Cristian Timmermann
  
  Ethik in der Medizin 2023
- Künstliche Intelligenz in der Radiologie – jenseits der Black-Box
  
  Luisa Gallee, Hannah Kniesel, Michael Götz, Timo Ropinski
  
  RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren 2023
- Semantic Hierarchical Exploration of Large Image Datasets
  
  Alex Bäuerle, Christian van Onzenoodt, Daniel Jönsson, Timo Ropinski
  
  EuroVis 2023
- Levels of explicability for medical artificial intelligence: What do we need and what can we get?
  
  Frank Ursin, Felix Lindner, Timo Ropinski, Sabine Salloch, Cristian Timmermann
  
  2023
- Weakly-Supervised Optical Flow Estimation for Time-of-Flight
  
  Michael Schelling, Pedro Hermosilla, Timo Ropinski
  
  IEEE/CVF Winter Conference on Applications of Computer Vision 2023
- Monocular Depth Decomposition of Semi-Transparent Volume Renderings
  
  Dominik Engel, Sebastian Hartwig, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics 2023
2022
- Longitudinal CT Imaging to Explore the Predictive Power of 3D Radiomic Tumour Heterogeneity in Precise Imaging of Mantle Cell Lymphoma (MCL)
  
  Cathrina Silvia Lisson, Christoph Gerhard Lisson, Sherin Achilles, Marc Fabian Mezger, Daniel Wolf, Stefan Andreas Schmidt, Wolfgang Thaiss, Johannes Bloehdorn, Ambros J. Beer, Stephan Stilgenbauer, Meinrad Beer, Michael Götz
  
  Cancers 2022
- Deep Neural Networks and Machine Learning Radiomics Modelling for Prediction of Relapse in Mantle Cell Lymphoma
  
  Cathrina Silvia Lisson, Christoph Gerhard Lisson, Marc Fabian Mezger, Daniel Wolf, Stefan Andreas Schmidt, Wolfgang Thaiss, Eugen Tausch, Ambros J. Beer, Stephan Stilgenbauer, Meinrad Beer, Michael Götz
  
  Cancers 2022
- Weakly Supervised Learning with Positive and Unlabeled Data for Automatic Brain Tumor Segmentation
  
  Daniel Wolf, Sebastian Regnery, Rafal Tarnawski, Barbara Bobek-Billewicz, Michael Götz
  
  Applied Sciences 2022
- Variance-Aware Weight Initialization for Point Convolutional Neural Networks
  
  Pedro Hermosilla, Michael Schelling, Tobias Ritschel, Timo Ropinski
  
  European Conference on Computer Vision 2022
- Out of the Plane: Flower vs. Star Glyphs to Support High-Dimensional Exploration in Two-Dimensional Embeddings
  
  Christian van Onzenoodt, Pere-Pau Vázquez, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics 2022
- Digitale Phänotypisierung in der Psychologie – ein Quantensprung in der psychologischen Forschung?
  
  Harald Baumeister, Patricia Garatva, Rüdiger Pryss, Timo Ropinski, Christian Montag
  
  2022
- Symphony: Composing Interactive Interfaces for Machine Learning
  
  Alex Bäuerle, Ángel Alexander Cabrera, Fred Hohman, Megan Maher, David Koski, Xavier Suau, Titus Barik, Dominik Moritz
  
  Conference on Human Factors in Computing Systems 2022
- Conflicting Aims and Values in the Application of Smart Sensors in Geriatric Rehabilitation: An Ethical Analysis
  
  Christopher Predel, Cristian Timmermann, Frank Ursin, Marcin Orzechowski, Timo Ropinski, Florian Steger
  
  JMIR mHealth and uHealth 2022
- Learning Human Viewpoint Preferences from Sparsely Annotated Models
  
  Sebastian Hartwig, Michael Schelling, Christian van Onzenoodt, Pere-Pau Vázquez, Pedro Hermosilla, Timo Ropinski
  
  Computer Graphics Forum 2022
- Where did my Lines go? Visualizing Missing Data in Parallel Coordinates
  
  Alex Bäuerle*, Christian van Onzenoodt*, Simon der Kinderen, Jimmy Johansson Westberg, Daniel Jönsson, Timo Ropinski
  
  Computer Graphics Forum (Proc. of EuroVis) 2022
- Gaussian Mixture Convolution Networks
  
  Adam Celarek, Pedro Hermosilla, Bernhard Kerbl, Timo Ropinski, Michael Wimmer
  
  International Conference on Learning Representations 2022
- Clean Implicit 3D Structure from Noisy 2D STEM Images
  
  Hannah Kniesel, Timo Ropinski, Tim Bergner, Kavitha Shaga Devan, Clarissa Read, Paul Walther, Tobias Ritschel, Pedro Hermosilla
  
  IEEE Conference on Computer Vision and Pattern Recognition 2022
- RADU: Ray-Aligned Depth Update Convolutions for ToF Data Denoising
  
  Michael Schelling, Pedro Hermosilla, Timo Ropinski
  
  IEEE Conference on Computer Vision and Pattern Recognition 2022
- Finding Nano-Ötzi: Semi-Supervised Volume Visualization for Cryo-Electron Tomography
  
  Ngan Nguyen, Ciril Bohak, Dominik Engel, Peter Mindek, Ondrej Strnad, Peter Wonka, Sai Li, Timo Ropinski, Ivan Viola
  
  IEEE Transactions on Visualization and Computer Graphics 2022
2021
- Data-Driven Deep Density Estimation
  
  Patrik Puchert, Pedro Hermosilla, Tobias Ritschel, Timo Ropinski
  
  Neural Computing and Applications 2021
- Intrinsic-Extrinsic Convolution and Pooling for Learning on 3D Protein Structures
  
  Pedro Hermosilla, Marco Schäfer, Matej Lang, Gloria Fackelmann, Pere-Pau Vázquez, Barbora Kozlíková, Michael Krone, Tobias Ritschel, Timo Ropinski
  
  International Conference on Learning Representations 2021
- Property-Based Testing for Visualization Development
  
  Michael Stegmaier, Dominik Engel, Jannik Olbrich, Timo Ropinski, Matthias Tichy
  
  EuroVis 2021
- Measuring Model Biases in the Absence of Ground Truth
  
  Osman Aka, Ken Burke, Alex Bäuerle, Christina Greer, Margaret Mitchell
  
  Proceedings of the AAAI/ACM Conference on AI, Ethics, and Society (Proc. of AAAI/ACM Conference on AI, Ethics, and Society) 2021
- 2D vs. 3D U-Net Abdominal Organ Segmentation in CT Data Using Organ Bounds
  
  Daria Kern, Ulrich Klauck, Timo Ropinski, André Mastmeyer
  
  SPIE Medical Imaging Conference 2021
- Blue Noise Plots
  
  Christian van Onzenoodt, Gurprit Singh, Timo Ropinski, Tobias Ritschel
  
  Computer Graphics Forum (Proc. of Annual Conference of the European Association for Computer Graphics) 2021
- Net2Vis: Transforming Deep Convolutional Networks into Publication-Ready Visualizations
  
  Alex Bäuerle, Christian van Onzenoodt, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics 2021
- Enabling Viewpoint Learning through Dynamic Label Generation
  
  Michael Schelling, Pedro Hermosilla, Pere-Pau Vázquez, Timo Ropinski
  
  Computer Graphics Forum (Proc. of Annual Conference of the European Association for Computer Graphics) 2021
2020
- Multiple trajectory prediction with deep temporal and spatial convolutional neural networks
  
  Jan Strohbeck, Vasileios Belagiannis, Johannes Müller, Marcel Schreiber, Martin Herrmann, Daniel Wolf, Michael Buchholz
  
  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2020
- Interactive Subsurface Scattering for Materials With High Scattering Distances
  
  Sebastian Maisch, Timo Ropinski
  
  Computer Graphics Forum 2020
- The Moving Target of Visualization Software for an Increasingly Complex World
  
  Guido Reina, Hank Childs, Krešimir Matković, Katja Bühler, Manuela Waldner, David Pugmire, Barbora Kozlíková, Timo Ropinski, Patric Ljung, Takayuki Itoh, Meister Eduard Gröller, Michael Krone
  
  Computers & Graphics 2020
- exploRNN: Understanding Recurrent Neural Networks through Visual Exploration
  
  Alex Bäuerle, Raphael Störk, Timo Ropinski
  
  The Visual Computer 2020
- What does BERT dream of?
  
  Alex Bäuerle, James Wexler
  
  VISxAI 2020
- Void Space Surfaces to Convey Depth in Vessel Visualizations
  
  Julian Kreiser, Pedro Hermosilla, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2020
- Real-Time Visualization of 3D Amyloid-Beta Fibrils from 2D Cryo-EM Density Maps
  
  Hannah Kniesel, Timo Ropinski, Pedro Hermosilla
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2020
- On the Perceptual Influence of Shape Overlap on Data-Comparison Using Scatterplots
  
  Christian van Onzenoodt, Anke Huckauf, Timo Ropinski
  
  Computers & Graphics 2020
- GPU Pro: Advanced Rendering Techniques
  
  Pedro Hermosilla, Pere-Pau Vázquez
  
  2020
- Deep Volumetric Ambient Occlusion
  
  Dominik Engel, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Scientific Visualisation Conference) 2020
- Classifier-Guided Visual Correction of Noisy Labels for Image Classification Tasks
  
  Alex Bäuerle, Heiko Neumann, Timo Ropinski
  
  Computer Graphics Forum 2020
- Automatic identification of crossovers in cryo-EM images of murine amyloid protein A fibrils with machine learning
  
  Matthias Weber, Alex Bäuerle, Matthias Schmidt, Matthias Neumann, Marcus Fähndrich, Timo Ropinski, Volker Schmidt
  
  Journal of Microscopy 2020
- A perceptually optimised Bivariate Visualisation Scheme for high-dimensional Fold-change Data
  
  André Müller, Ludwig Lauser, Adalbert Wilhelm, Timo Ropinski, Matthias Platzer, Heiko Neumann, Hans Kestler
  
  Advances in Data Analysis and Classification 2020
2019
- Training Object Detectors on Synthetic Images Containing Reflecting Materials
  
  Sebastian Hartwig, Timo Ropinski
  
  2019
- Total Denoising: Unsupervised Learning of 3D Point Cloud Cleaning
  
  Pedro Hermosilla, Tobias Ritschel, Timo Ropinski
  
  IEEE/CVF International Conference on Computer Vision 2019
- Multi-Resolution Rendering for Computationally Expensive Lighting Effects
  
  Simon Besenthal, Sebastian Maisch, Timo Ropinski
  
  2019
- Inviwo - A Visualization System with Usage Abstraction Levels
  
  Daniel Jönsson, Peter Steneteg, Erik Sundén, Rickard Englund, Sathish Kottravel, Martin Falk, Anders Ynnerman, Ingrid Hotz, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics 2019
- Detection of Herpesvirus Capsids in Transmission Electron Microscopy Images using Transfer Learning
  
  Kavitha Shaga Devan, Paul Walther, Jens von Einen, Timo Ropinski, Hans Kestler, Clarissa Read
  
  Histochemistry and Cell Biology 2019
- Deep-learning the Latent Space of Light Transport
  
  Pedro Hermosilla, Sebastian Maisch, Tobias Ritschel, Timo Ropinski
  
  Computer Graphics Forum 2019
- Convolutional neural network (CNN) applied to respiratory motion detection in fluoroscopic frames
  
  Christoph Baldauf, Alex Bäuerle, Timo Ropinski, Volker Rasche, Ina Vernikouskaya
  
  International Journal of Computer Assisted Radiology and Surgery 2019
2018
- Visualization of Large Molecular Trajectories
  
  David Duran Rosich, Pedro Hermosilla, Timo Ropinski, Barbora Kozlíková, Àlvar Vinacua, Pere-Pau Vázquez
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2018
- Visual Analysis of Protein-Ligand Interactions
  
  Pere-Pau Vázquez, Pedro Hermosilla, Victor Guallar, Jorge Estrada, Àlvar Vinacua
  
  Computer Graphics Forum 2018
- Single-image Tomography: 3D Volumes from 2D Cranial X-Rays
  
  Philipp Henzler, Volker Rasche, Timo Ropinski, Tobias Ritschel
  
  Computer Graphics Forum 2018
- Quantitative and Qualitative Analysis of the Perception of Semi-Transparent Structures in Direct Volume Rendering
  
  Rickard Englund, Timo Ropinski
  
  Computer Graphics Forum 2018
- Monte Carlo Convolution for Learning on Non-Uniformly Sampled Point Clouds
  
  Pedro Hermosilla, Tobias Ritschel, Pere-Pau Vázquez, Àlvar Vinacua, Timo Ropinski
  
  ACM Transactions on Graphics 2018
- Improving Perception of Molecular Surface Visualizations by Incorporating Translucency Effects
  
  Pedro Hermosilla, Sebastian Maisch, Pere-Pau Vázquez, Timo Ropinski
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2018
- A Survey of Flattening-Based Medical Visualization Techniques
  
  Julian Kreiser, Monique Meuschke, Gabriel Mistelbauer, Bernhard Preim, Timo Ropinski
  
  Computer Graphics Forum 2018
- A Model of Spatial Directness in Interactive Visualization
  
  Stefan Bruckner, Tobias Isenberg, Timo Ropinski, Alexander Wiebel
  
  IEEE Transactions on Visualization and Computer Graphics 2018
- A General Illumination Model for Molecular Visualization
  
  Pedro Hermosilla, Pere-Pau Vázquez, Àlvar Vinacua, Timo Ropinski
  
  Computer Graphics Forum 2018
2017
- Spatial Adjacency Maps for Translucency Simulation Under General Illumination
  
  Sebastian Maisch, Timo Ropinski
  
  Computer Graphics Forum 2017
- Code Constructions Based on Reed-Solomon Codes
  
  Michael Schelling, Martin Bossert
  
  International Workshop on Optimal Codes and Related Topics 2017
- Visually Supporting Multiple Needle Placement in Irreversible Electroporation Interventions
  
  Julian Kreiser, Jacob Freedman, Timo Ropinski
  
  Computer Graphics Forum 2017
- Visual Analysis of Stochastic Trajectory Ensembles in Organic Solar Cell Design
  
  Sathish Kottravel, Riccard Volpi, Mathieu Linares, Timo Ropinski, Ingrid Hotz
  
  Informatics 2017
- Protein Tunnel Reprojection for Physico-Chemical Property Analysis
  
  Jan Malzahn, Barbora Kozlíková, Timo Ropinski
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2017
- Proceedings of the Eurographics Conference on Visualization
  
  Jeffrey Heer, Timo Ropinski, Jack van Wijk
  
  2017
- Physics-based Visual Characterization of Molecular Interaction Forces
  
  Pedro Hermosilla, Jorge Estrada, Victor Guallar, Timo Ropinski, Àlvar Vinacua, Pere-Pau Vázquez
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2017
- PhD Thesis: Advanced inspection techniques for molecular simulations
  
  Pedro Hermosilla
  
  2017
- Interactive GPU-based Generation of Solvent Excluded Surfaces
  
  Pedro Hermosilla, Michael Krone, Victor Guallar, Pere-Pau Vázquez, Àlvar Vinacua, Timo Ropinski
  
  The Visual Computer 2017
- How do Recent Machine Learning Advances Impact the Data Visualization Research Agenda?
  
  Timo Ropinski, Daniel Archambault, Min Chen, Ross Maciejewski, Klaus Mueller, Alexandru Telea, Martin Wattenberg
  
  2017
- Evaluating the Influence of Stereoscopy on Cluster Perception in Scatterplots
  
  Christian van Onzenoodt, Julian Kreiser, Dominique Heer, Timo Ropinski
  
  Annual Conference of the Swedish Computer Graphics Association 2017
- Decision Graph Embedding for High-Resolution Manometry Diagnosis
  
  Julian Kreiser, Alexander Hann, Eugen Zizer, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics 2017
- An Experimental Study on the Effects of Shading in 3D Perception of Volumetric Models
  
  Jose Díaz, Timo Ropinski, Isabel Navazo, Enrico Gobbetti, Pere-Pau Vázquez
  
  The Visual Computer 2017
2016
- Real-Time Molecular Visualization Supporting Diffuse Interreflections and Ambient Occlusion
  
  Robin Skanberg, Pere-Pau Vázquez, Victor Guallar, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2016
- Interactive inspection of complex multi-object industrial assemblies
  
  Oscar Argudo, Isaac Besora, Pere Brunet, Carles Creus, Pedro Hermosilla, Isabel Navazo, Àlvar Vinacua
  
  Computer Aided-Design 2016
- Interactive 4D MRI Blood Flow Exploration and Analysis using Line Predicates
  
  Jochen Jankowai, Rickard Englund, Timo Ropinski, Ingrid Hotz
  
  Annual Conference of the Swedish Computer Graphics Association 2016
- High quality illustrative effects for molecular rendering
  
  Pedro Hermosilla, Victor Guallar, Àlvar Vinacua, Pere-Pau Vázquez
  
  Computers & Graphics (Proc. of CAD & Graphics) 2016
- Evaluating the Perception of Semi-Transparent Structures in Direct Volume Rendering Techniques (Best Paper Award)
  
  Rickard Englund, Timo Ropinski
  
  Computer Graphics and Interactive Techniques in Asia 2016
- Classifying Medical Projection Techniques based on Parameterization Attribute Preservation
  
  Julian Kreiser, Timo Ropinski
  
  EuroVis Workshop on Reproducibility, Verification, and Validation in Visualization 2016
- A Visualization-Based Analysis System for Urban Search & Rescue Mission Planning Support
  
  Alexander Bock, Asa Svensson, Alexander Kleiner, Jonas Lundberg, Timo Ropinski
  
  Computer Graphics Forum 2016
- A Survey of Perceptually Motivated 3D Visualization of Medical Image Data
  
  Bernhard Preim, Alexandra Baer, Douglas Cunningham, Tobias Isenberg, Timo Ropinski
  
  Computer Graphics Forum 2016
- A Crowdsourcing System for Integrated and Reproducible Evaluation in Scientific Visualization
  
  Rickard Englund, Sathish Kottravel, Timo Ropinski
  
  IEEE Pacific Visualization Symposium 2016
- A Comparative Study of Mipmapping Techniques for Interactive Volume Visualization
  
  Sebastian Maisch, Robin Skanberg, Timo Ropinski
  
  Journal of WSCG 2016
2015
- A New Gershgorin-type Result for the Localisation of the Spectrum of Matrices
  
  Anna Dall'Acqua, Delio Mugnolo, Michael Schelling
  
  Mathematische Nachrichten 2015
- Visual Verification of Space Weather Ensemble Simulations
  
  Alexander Bock, Asher Pembroke, M. Leila Mays, Lutz Rastaetter, Anders Ynnerman, Timo Ropinski
  
  IEEE Scientific Visualisation Conference 2015
- Multimodal Volume Illumination
  
  Erik Sundén, Sathish Kottravel, Timo Ropinski
  
  Computers & Graphics 2015
- Inviwo - An Extensible, Multi-Purpose Visualization Framework
  
  Erik Sundén, Peter Steneteg, Sathish Kottravel, Daniel Jönsson, Rickard Englund, Martin Falk, Timo Ropinski
  
  IEEE Scientific Visualisation Conference 2015
- Instant Visualization of Secondary Structures of Molecular Models
  
  Pedro Hermosilla, Victor Guallar, Àlvar Vinacua, Pere-Pau Vázquez
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2015
- Efficient Volume Illumination with Multiple Light Sources through Selective Light Updates
  
  Erik Sundén, Timo Ropinski
  
  IEEE Pacific Visualization Symposium 2015
- Direct Volume Interaction for Visual Data Analysis
  
  Alexander Wiebel, Tobias Isenberg, Stefan Bruckner, Timo Ropinski
  
  2015
- Direct Volume Interaction
  
  Alexander Wiebel, Tobias Isenberg, Stefan Bruckner, Timo Ropinski
  
  Annual Conference of the European Association for Computer Graphics 2015
- Coverage-Based Opacity Estimation for Interactive Depth of Field in Molecular Visualization
  
  Sathish Kottravel, Martin Falk, Erik Sundén, Timo Ropinski
  
  IEEE Pacific Visualization Symposium 2015
- Advanced Visualization Techniques for Laparoscopic Liver Surgery
  
  Dimitrios Felekidis, Peter Steneteg, Timo Ropinski
  
  Annual Conference of the Swedish Computer Graphics Association 2015
- Adaptive on-the-fly molecular ribbons generation
  
  Pedro Hermosilla, Victor Guallar, Àlvar Vinacua, Pere-Pau Vázquez
  
  2015
2014
- Verifying Volume Rendering using Discretization Error Analysis
  
  Tiago Etiene, Daniel Jönsson, Timo Ropinski, Carlos Scheidegger, João Luiz Dihl Comba, Luis Gustavo Nonato, Robert M Kirby, Anders Ynnerman, Cláudio T Silva
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2014
- VCMass: A Framework for Verification of Coronal Mass Ejection Ensemble Simulations (Best Poster Award)
  
  Alexander Bock, M. Leila Mays, Lutz Rastaetter, Anders Ynnerman, Timo Ropinski
  
  2014
- Ultrasound Surface Extraction Using Radial Basis Functions
  
  Rickard Englund, Timo Ropinski
  
  International Symposium of Advances in Visual Computing 2014
- The Ultrasound Visualization Pipeline - A Survey
  
  Åsmund Birkeland, Veronika Solteszova, Dieter Hönigmann, Odd Helge Gilja, Svein Brekke, Timo Ropinski, Ivan Viola
  
  2014
- Quantitative Analysis of Knee Movement Patterns through Comparative Visualization
  
  Khoa Tan Nguyen, Håkan Gauffin, Anders Ynnerman, Timo Ropinski
  
  2014
- Hybrid Data Visualization Based on Depth Complexity Histogram Analysis
  
  Stefan Lindholm, Martin Falk, Erik Sundén, Alexander Bock, Anders Ynnerman, Timo Ropinski
  
  Computer Graphics Forum 2014
- Continuous Levels-of-Detail and Visual Abstraction for Seamless Molecular Visualization
  
  Julius Parulek, Daniel Jönsson, Timo Ropinski, Stefan Bruckner, Anders Ynnerman, Ivan Viola
  
  Computer Graphics Forum 2014
- An Interactive Visualization System for Urban Search & Rescue Mission Planning
  
  Alexander Bock, Alexander Kleiner, Jonas Lundberg, Timo Ropinski
  
  IEEE International Symposium on Safety, Security, and Rescue Robotics 2014
- A Survey of Volumetric Illumination Techniques for Interactive Volume Rendering
  
  Daniel Jönsson, Erik Sundén, Anders Ynnerman, Timo Ropinski
  
  Computer Graphics Forum 2014
2013
- Seamless Visual Abstraction of Molecular Surfaces
  
  Julius Parulek, Timo Ropinski, Ivan Viola
  
  Spring Conference on Computer Graphics 2013
- Large-Scale Multiple Sequence Alignment Visualization through Gradient Vector Flow Analysis
  
  Khoa Tan Nguyen, Timo Ropinski
  
  IEEE Symposium on Biological Data Visualization 2013
- Guiding Deep Brain Stimulation Interventions by Fusing Multimodal Uncertainty Regions
  
  Alexander Bock, Norbert Lang, Gianpaolo Evangelista, Ralph Lehrke, Timo Ropinski
  
  IEEE Pacific Visualization Symposium 2013
- Feature Tracking in Time-Varying Volumetric Data through Scale Invariant Feature Transform
  
  Khoa Tan Nguyen, Timo Ropinski, Jonas Unger
  
  Annual Conference of the Swedish Computer Graphics Association 2013
- Analyzing and Reducing DTI Tracking Uncertainty by Combining Deterministic and Stochastic Approaches
  
  Khoa Tan Nguyen, Anders Ynnerman, Timo Ropinski
  
  International Symposium of Advances in Visual Computing 2013
- Advanced Direct Volume Visualization
  
  Timo Ropinski
  
  2013
- A Comparison of Volumetric Illumination Methods by Considering their Underlying Mathematical Models
  
  Neda Rostamzadeh, Daniel Jönsson, Timo Ropinski
  
  Annual Conference of the Swedish Computer Graphics Association 2013
2012
- Unified Boundary-Aware Texturing for Interactive Volume Rendering
  
  Timo Ropinski, Stefan Diepenbrock, Stefan Bruckner, Klaus Hinrichs, Meister Eduard Gröller
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2012
- Uncertainty Visualization of Brain Fibers
  
  Pedro Hermosilla, Ralph Brecheisen, Pere-Pau Vázquez, Anna Vilanova
  
  Congreso Español De Informatica Grafica 2012
- Historygrams: Enabling Interactive Global Illumination in Direct Volume Rendering Using Photon Mapping
  
  Daniel Jönsson, Joel Kronander, Timo Ropinski, Anders Ynnerman
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2012
- GPU-Accelerated Direct Volume Rendering of Finite Element Data Sets
  
  Bingchen Liu, Alexander Bock, Timo Ropinski, Martyn Nash, Poul Nielsen, Burkhard Wünsche
  
  Image and Vision Computing New Zealand 2012
- From Imprecise User Input to Precise Vessel Segmentations
  
  Stefan Diepenbrock, Timo Ropinski
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2012
- Explicit Cache Management for Volume Ray-Casting on Parallel Architectures
  
  Daniel Jönsson, Per Ganestam, Michael Doggett, Anders Ynnerman, Timo Ropinski
  
  Eurographics Symposium on Parallel Graphics and Visualization 2012
- Deriving and Visualizing Uncertainty in Kinetic PET Modeling
  
  Khoa Tan Nguyen, Alexander Bock, Anders Ynnerman, Timo Ropinski
  
  Eurographics Workshop on Visual Computing for Biology and Medicine 2012
- Coherency-based Curve Compression for High-order Finite Element Model Visualization
  
  Alexander Bock, Erik Sundén, Bingchen Liu, Burkhard Wünsche, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2012
2011
- Survey of Glyph-Based Visualization Techniques for Spatial Multivariate Medical Data
  
  Timo Ropinski, Steffen Oeltze, Bernhard Preim
  
  Computers & Graphics 2011
- Slab-Based Raycasting: Exploiting GPU Computing for Volume Visualization
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  International Conference on Computer Graphics Theory and Applications 2011
- Image Plane Sweep Volume Illumination
  
  Erik Sundén, Anders Ynnerman, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2011
- Context-Aware Volume Navigation
  
  Stefan Diepenbrock, Timo Ropinski, Klaus Hinrichs
  
  IEEE Pacific Visualization Symposium 2011
- About the Influence of Illumination Models on Image Comprehension in Direct Volume Rendering
  
  Florian Lindemann, Timo Ropinski
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2011
- 2010 IEEE Visualization Contest Winner: Interactive Planning for Brain Tumor Resections
  
  Stefan Diepenbrock, Jörg-Stefan Praßni, Florian Lindemann, Hans-Werner Bothe, Timo Ropinski
  
  2011
2010
- Visualization by Example - A Constructive Visual Component-based Interface for Direct Volume Rendering
  
  Bingchen Liu, Burkhard Wünsche, Timo Ropinski
  
  International Conference on Computer Graphics Theory and Applications 2010
- Uncertainty-Aware Guided Volume Segmentation
  
  Jörg-Stefan Praßni, Timo Ropinski, Klaus Hinrichs
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2010
- Single Shot Quantification of Gas-Filled Microbubbles with Ultrasound
  
  Jörg-Stefan Praßni, Klaus Storm, Timo Ropinski, Klaus Tiemann
  
  2010
- Shape-based Transfer Functions for Volume Visualization
  
  Jörg-Stefan Praßni, Timo Ropinski, Jörg Mensmann, Klaus Hinrichs
  
  2010
- Interactive Design and Debugging of GPU-based Volume Visualizations
  
  Jennis Meyer-Spradow, Timo Ropinski, Jörg Mensmann, Klaus Hinrichs
  
  International Conference on Computer Graphics Theory and Applications 2010
- Efficient Acquisition and Clustering of Local Histograms for Representing Voxel Neighborhoods
  
  Christian Meß, Timo Ropinski
  
  EG International Symposium on Volume Graphics 2010
- An Advanced Volume Raycasting Technique Using GPU Stream Processing
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  2010
- Advanced Volume Illumination with Unconstrained Light Source Positioning
  
  Timo Ropinski, Christian Doring, Christof Rezk-Salama
  
  2010
- Advanced Light Material Interaction for Direct Volume Rendering
  
  Florian Lindemann, Timo Ropinski
  
  EG International Symposium on Volume Graphics 2010
- A GPU-Supported Lossless compression scheme for rendering time-varying volume data
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  EG International Symposium on Volume Graphics 2010
2009
- Voreen: A Rapid-Prototyping Environment for Ray-Casting-Based Volume Visualizations
  
  Jennis Meyer-Spradow, Timo Ropinski, Jörg Mensmann, Klaus Hinrichs
  
  2009
- Slab-Based Raycasting: Efficient Volume Rendering with CUDA
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  2009
- Single pass GPU stylized edges
  
  Pedro Hermosilla, Pere-Pau Vázquez
  
  Iberoamerican Symposium in Computer Graphics 2009
- Rapid Prototyping of Volume Visualizations in Collaboration with Domain Experts
  
  Jennis Meyer-Spradow, Timo Ropinski, Jörg Mensmann, Klaus Hinrichs
  
  2009
- Multimodal visualization with interactive closeups
  
  Timo Ropinski, Sven Hermann, Rainer Reich, Michael Schafers, Klaus Hinrichs, Timo Ropinski, Ivan Viola, Martin Biermann, Helwig Hauser, Klaus Hinrichs
  
  EG UK Theory and Practice of Computer Graphics 2009
- Multimodal Vessel Visualization of Mouse Aorta PET/CT Scans
  
  IEEE Transactions on Visualization and Computer Graphics (Proc. of IEEE Vizualisation and Visual Analytics) 2009
- GPU-Based Volume Ray-Casting with Advanced Illumination
  
  Markus Hadwiger, Patric Ljung, Christof Rezk-Salama, Timo Ropinski
  
  Annual Conference of the European Association for Computer Graphics 2009
- GPU-Based Volume Ray-Casting Supporting Specular Reflection and Refraction.
  
  Timo Ropinski, Klaus Hinrichs, Jens Kasten
  
  International Conference on Computer Graphics Theory and Applications 2009
- Glyph-Based Visualisation of Myocardial SPECT-Clinical Assessment
  
  Lars Stegger, Jennis Meyer-Spradow, Christian Doring, Kambiz Rahbar, Timo Ropinski, Otmar Schober, Klaus Hinrichs, Michael Schafers
  
  European Heart Journal 2009
- Efficient Boundary Detection and Transfer Function Generation in Direct Volume Rendering
  
  Jörg-Stefan Praßni, Timo Ropinski, Klaus Hinrichs
  
  ISPRS Workshop on Dynamic and Multi-dimensional GIS 2009
- An Evolution of the CUDA Architecture for Volume Rendering
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  2009
2008
- The Holodeck Construction Manual.
  
  Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus Hinrichs
  
  2008
- Taxonomy and Usage Guidelines for Glyph-based Medical Visualization
  
  Timo Ropinski, Bernhard Preim
  
  Simulation and Visualization 2008
- Supporting Spatial Cognition in Vascular Visualization
  
  Timo Ropinski, Jennis Meyer-Spradow, Frank Steinicke, Klaus Hinrichs
  
  2008
- Supporting Depth and Motion Perception in Medical Volume Data
  
  Jennis Meyer-Spradow, Timo Ropinski, Klaus Hinrichs
  
  2008
- Stroke-Based Transfer Function Design.
  
  Timo Ropinski, Jörg-Stefan Praßni, Frank Steinicke, Klaus Hinrichs
  
  2008
- Poster: Generic Redirected Walking & Dynamic Passive Haptics: Evaluation and Implications for Virtual Locomotion Interfaces
  
  Frank Steinicke, Gerd Bruder, Timo Ropinski, Klaus Hinrichs
  
  2008
- Moving Towards Generally Applicable Redirected Walking
  
  Frank Steinicke, Gerd Bruder, Timo Ropinski, Klaus Hinrichs
  
  Virtual Reality International Conference 2008
- Interactive Volume Rendering with Dynamic Ambient Occlusion and Color Bleeding
  
  2008
- Interactive Reconstruction and Visualization of Dynamic 3D Ultrasound Data Sets.
  
  Timo Ropinski, Borislav Petkov, Larissa Fabritz, Klaus Hinrichs, Timo Ropinski, Jennis Meyer-Spradow, Stefan Diepenbrock, Jörg Mensmann, Klaus Hinrichs
  
  2008
- Interactive Cutting Operations for Generating Anatomical Illustrations from Volumetric Data Sets
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  2008
- Glyph-Based SPECT Visualization for the Diagnosis of Coronary Artery Disease
  
  Jennis Meyer-Spradow, Lars Stegger, Christian Doring, Timo Ropinski, Klaus Hinrichs
  
  2008
- Efficient Shadows for GPU-based Volume Raycasting
  
  Timo Ropinski, Jens Kasten, Klaus Hinrichs
  
  2008
- Advanced Illumination Techniques for GPU Volume Raycasting
  
  Markus Hadwiger, Patric Ljung, Christof Rezk Salama, Timo Ropinski
  
  2008
- Accelerating Volume Raycasting using Occlusion Frustums.
  
  Jörg Mensmann, Timo Ropinski, Klaus Hinrichs
  
  2008
- A Universal Virtual Locomotion System: Supporting Generic Redirected Walking and Dynamic Passive Haptics within Legacy 3D Graphics Applications
  
  Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus Hinrichs, Harald Frenz, Markus Lappe
  
  2008
- 3D User Interfaces for Collaborative Work
  
  Frank Steinicke, Gerd Bruder, Klaus Hinrichs, Marco Lopes, Timo Ropinski
  
  2008
2007
- Towards Applicable 3D User Interfaces for Everyday Working Environments
  
  Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus Hinrichs
  
  2007
- Surface Glyphs for Visualizing Multimodal Volume Data.
  
  Timo Ropinski, Michael Specht, Jennis Meyer-Spradow, Klaus Hinrichs, Bernhard Preim
  
  2007
- Simultane 2D/3D User Interface Konzepte für autostereoskopische Desktop-VR Systeme
  
  Frank Steinicke, Gerd Bruder, Klaus Hinrichs, Timo Ropinski
  
  2007
- Interscopic User Interface Concepts for Fish Tank Virtual Reality Systems
  
  Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus Hinrichs
  
  2007
- Internal Labels as Shape Cues for Medical Illustration.
  
  Timo Ropinski, Jörg-Stefan Praßni, Jan Roters, Klaus Hinrichs
  
  2007
- Interactive Volume Rendering Supporting Global Illumination Phenomena
  
  Timo Ropinski, Jennis Meyer-Spradow, Stefan Diepenbrock, Jörg Mensmann, Klaus Hinrichs
  
  2007
- Focus + Context Resolution Adaption for Autostereoscopic Displays
  
  Timo Ropinski, Frank Steinicke, Gerd Bruder, Klaus Hinrichs
  
  2007
- Automatic Integration of Foliage into 3D City Models-Real-Time Tree Extraction and Rendering Based on Seasonal Large Scale Aerial Pictures.
  
  Timo Ropinski, Frank Steinicke, Jennis Meyer-Spradow, Klaus Hinrichs
  
  2007
- 3D Modeling and Design Supported via Interscopic Interaction Strategies
  
  Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus Hinrichs
  
  2007
2006
- Visually Supporting Depth Perception in Angiography Imaging
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2006
- Visual Exploration of Seismic Volume Datasets
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2006
- Urban City Planning in Semi-Immersive Virtual Reality Systems.
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs, Jörg Mensmann
  
  2006
- Simultaneously Viewing Monoscopic and Stereoscopic Content on Vertical-Interlaced Autostereoscopic Displays
  
  Timo Ropinski, Frank Steinicke, Gerd Bruder, Klaus Hinrichs
  
  2006
- Reflecting on the Potential of VR for the Future of HCI
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2006
- Object Selection in Virtual Environments Using an Improved Virtual Pointer Metaphor
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2006
- Interactive Volume Visualization Techniques for Subsurface Data
  
  Timo Ropinski, Klaus Hinrichs
  
  2006
- Illustrating Dynamics of Time-Varying Volume Datasets in Static Images
  
  Jennis Meyer-Spradow, Timo Ropinski, Jan Vahrenhold, Klaus Hinrichs
  
  2006
- Efficient Ray-casting of Bricked Volume Datasets
  
  Jennis Meyer-Spradow, Timo Ropinski, Klaus Hinrichs
  
  2006
- Design of a User-Oriented Application for the Exploration of Medical Datasets
  
  Timo Ropinski, Jennis Meyer-Spradow, Frank Steinicke, Klaus Hinrichs
  
  2006
- Collaborative Interaction Concepts for City Planning Tasks in Projection-Based Virtual Reality Systems
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2006
- A Multiple View System for Modeling Building Entities
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs, Gerd Bruder
  
  2006
- A Hybrid Decision Support System for 3D City Planning
  
  Frank Steinicke, Klaus Hinrichs, Timo Ropinski
  
  International Commission II Symposium 2006
2005
- VR and Laser-Based Interaction in Virtual Environments Using a Dual-Purpose Interaction Metaphor
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2005
- Virtual Reflections and Virtual Shadows in Mixed Reality Environments
  
  Frank Steinicke, Klaus Hinrichs, Timo Ropinski
  
  2005
- Tentative Results in Focus-Based Medical Volume Visualization
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2005
- Multimodal Interaction Metaphors for Manipulation of Distant Objects in Immersive Virtual Environments
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2005
- Interactive Importance-Driven Visualization Techniques for Medical Volume Data
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2005
- Co-located Interaction Concepts for Large Screen Displays
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2005
- An Efficient Approach for Emphasizing Regions of Interest in Ray-Casting based Volume Rendering
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2005
- A Tabletop Metaphor for Spatial Planning in Virtual Reality
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs, Jörg Mensmann
  
  2005
- A Solution for the Focus and Context Problem in Geo-Virtual Environments
  
  Timo Ropinski, Klaus Hinrichs, Frank Steinicke
  
  2005
- A Generic Virtual Reality Software System's Architecture and Application
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2005
- A Constrained Road-Based VR Navigation Technique for Travelling in 3D City Models
  
  Timo Ropinski, Frank Steinicke, Klaus Hinrichs
  
  2005
2004
- Virtual Reflections for Augmented Reality Environments
  
  Timo Ropinski, Steffen Wachenfeld, Klaus Hinrichs
  
  2004
- Selektion von Objekten in virtuellen Umgebungen mit der Improved Virtual Pointer Metapher
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2004
- Real-Time Rendering of 3D Magic Lenses having arbitrary convex Shapes
  
  Timo Ropinski, Klaus Hinrichs
  
  Journal of WSCG (Proc. of International Conferences in Central Europe on Computer Graphics, Visualization and Computer Vision) 2004
- Improved Virtual Pointer Metaphors for Interactive Object Selection in Virtual Environments
  
  Frank Steinicke, Timo Ropinski, Klaus Hinrichs
  
  2004
- Exploration of geo-virtual Environments using 3D Magic Lenses
  
  Timo Ropinski
  
  2004
- 3D Magic Lenses and Virtual Reflections: Real-time Approaches for Improving Interactive Visualization
  
  Timo Ropinski
  
  2004
2002
- Multimodale Interaktionen in desktop-basierten geo-virtuellen Visualisierungsumgebungen
  
  Torsten Heinen, Timo Ropinski, Martin Werth, Sven Fuhrmann
  
  2002

Publications

Pre-Prints

Peer-Reviewed

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012