All Stories

  1. A Study in Transparent Adaptation and Joint-Level Feedback for Unsupervised Upper-Limb Rehabilitation

    Article • April 2026, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  2. XTR: An Explainable Transformer-Based Retracker for CryoSat-2 Altimetry

    Article • IEEE Access, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  3. Earthbender: An Interactive System for Stylistic Heightmap Generation using a Guided Diffusion Model

    Article • December 2025, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  4. Shadow-Free Projection with Blur Mitigation on Dynamic, Deformable Surfaces

    Article • November 2025, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  5. Point Cloud Streaming using Temporal Hierarchical GMMs

    Article • September 2025, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  6. Recurrent multi-view 6DoF pose estimation for marker-less surgical tool tracking

    Article • International Journal of Computer Assisted Radiology and Surgery, June 2025, Springer Science + Business Media

    Gabriel Zachmann

  7. HIPS - A Surgical Virtual Reality Training System for Total Hip Arthroplasty (THA) with Realistic Force Feedback

    Article • IEEE Transactions on Visualization and Computer Graphics, May 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  8. Physically Based Real‐Time Rendering of Eclipses

    Article • Computer Graphics Forum, April 2025, Wiley

    Gabriel Zachmann

  9. A Novel, Autonomous, Module-Based Surgical Lighting System

    Article • ACM Transactions on Computing for Healthcare, January 2025, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  10. Von der Bildgebung zur Interaktion mit 3D-Modellen: technische Aspekte

    Article • Die Chirurgie, December 2024, Springer Science + Business Media

    Gabriel Zachmann

  11. A Clinical User Study Investigating the Benefits of Adaptive Volumetric Illumination Sampling

    Article • IEEE Transactions on Visualization and Computer Graphics, December 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  12. Embodiment in Virtual Environments - Analyzing the Effects of Latency and Avatar Representation

    Article • October 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  13. Enhancing anatomy learning through collaborative VR? An advanced investigation

    Article • Computers & Graphics, October 2024, Elsevier

    Gabriel Zachmann

  14. Temporal Hierarchical Gaussian Mixture Models for Real-Time Point Cloud Streaming

    Article • July 2024, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  15. Physically Based Real‐Time Rendering of Atmospheres using Mie Theory

    Article • Computer Graphics Forum, April 2024, Wiley

    Gabriel Zachmann

  16. Reflecting on Excellence: VR Simulation for Learning Indirect Vision in Complex Bi-Manual Tasks

    Article • March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Siriwan Suebnukarn, Gabriel Zachmann

  17. Effects of Markers in Training Datasets on the Accuracy of 6D Pose Estimation

    Article • January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  18. How Observers Perceive Teleport Visualizations in Virtual Environments

    Article • October 2023, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  19. The effect of 3D stereopsis and hand-tool alignment on learning effectiveness and skill transfer of a VR-based simulator for dental training

    Article • PLOS One, October 2023, PLOS

    Prof. Siriwan Suebnukarn, Gabriel Zachmann

  20. Perceived realism of haptic rendering methods for bimanual high force tasks: original and replication study

    Article • Scientific Reports, July 2023, Springer Science + Business Media

    Gabriel Zachmann

  21. Versatile Immersive Virtual and Augmented Tangible OR – Using VR, AR and Tangibles to Support Surgical Practice

    Article • April 2023, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  22. Adaptive Polydisperse Sphere Packings for High Accuracy Computations of the Gravitational Field

    Article • March 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  23. A virtual reality simulation of a novel way to illuminate the surgical field – A feasibility study on the use of automated lighting systems in the operating theatre

    Article • Frontiers in Surgery, March 2023, Frontiers

    Gabriel Zachmann

  24. Correction to: Virtual Reality and Mixed Reality

    Article • January 2023, Springer Science + Business Media

    Gabriel Zachmann

  25. Collaborative VR Anatomy Atlas Investigating Multi-user Anatomy Learning

    Article • January 2023, Springer Science + Business Media

    Gabriel Zachmann

  26. Inpainting of Depth Images Using Deep Neural Networks for Real-Time Applications

    Article • January 2023, Springer Science + Business Media

    Gabriel Zachmann

  27. Optimizing the Illumination of a Surgical Site in New Autonomous Module-based Surgical Lighting Systems

    Article • January 2023, Springer Science + Business Media

    Gabriel Zachmann

  28. NaivPhys4RP - Towards Human-like Robot Perception “Physical Reasoning based on Embodied Probabilistic Simulation”

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  29. Open benchmark framework for comparable and reproducible results

    Article • November 2022, ACM (Association for Computing Machinery)

    Toni Tan, Gabriel Zachmann

  30. The OPA3L System and Testconcept for Urban Autonomous Driving

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  31. Effects of immersion and navigation agency in virtual environments on emotions and behavioral intentions

    Article • Frontiers in Virtual Reality, September 2022, Frontiers

    Gabriel Zachmann

  32. Editorial: Digital Twin for Industry 4.0

    Article • Frontiers in Virtual Reality, August 2022, Frontiers

    Gabriel Zachmann

  33. Dynparity: Dynamic disparity adjustment to avoid stereo window violations on stationary stereoscopic displays

    Article • Computer Animation and Virtual Worlds, August 2022, Wiley

    Gabriel Zachmann

  34. Redirected walking in virtual reality with auditory step feedback

    Article • The Visual Computer, July 2022, Springer Science + Business Media

    Gabriel Zachmann

  35. The Impact of 3D Stereopsis and Hand-Tool Alignment on Effectiveness of a VR-based Simulator for Dental Training

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann, Prof. Siriwan Suebnukarn

  36. Fast, accurate and robust registration of multiple depth sensors without need for RGB and IR images

    Article • The Visual Computer, May 2022, Springer Science + Business Media

    Gabriel Zachmann

  37. Optimizing the arrangement of fixed light modules in new autonomous surgical lighting systems

    Article • April 2022, SPIE

    Gabriel Zachmann

  38. Efficient and Accurate Methods for Computing the Gravitational Field of Irregular-Shaped Bodies

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  39. Numerical approach to synthesizing realistic asteroid surfaces from morphological parameters

    Article • Astronomy and Astrophysics, March 2022, EDP Sciences

    Gabriel Zachmann

  40. Evaluation of Point Cloud Streaming and Rendering for VR-Based Telepresence in the OR

    Article • January 2022, Springer Science + Business Media

    Gabriel Zachmann

  41. Procedural Generation of Landscapes with Water Bodies Using Artificial Drainage Basins

    Article • January 2022, Springer Science + Business Media

    Gabriel Zachmann

  42. Fast and Robust Registration of multiple Depth-Sensors and Virtual Worlds

    Article • September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  43. Immersive Anatomy Atlas: Learning Factual Medical Knowledge in a Virtual Reality Environment

    Article • Anatomical Sciences Education, June 2021, Wiley

    Gabriel Zachmann

  44. LenSelect: Object Selection in Virtual Environments by Dynamic Object Scaling

    Article • Frontiers in Virtual Reality, June 2021, Frontiers

    Gabriel Zachmann

  45. Visualizing Prediction Correctness of Eye Tracking Classifiers

    Article • May 2021, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  46. UnrealHaptics: Plugins for Advanced VR Interactions in Modern Game Engines

    Article • Frontiers in Virtual Reality, April 2021, Frontiers

    Gabriel Zachmann

  47. VR-Interactions for Planning Planetary Swarm Exploration Missions in VaMEx-Vtb

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  48. A Shared Haptic Virtual Environment for Dental Surgical Skill Training

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  49. OpenCollBench - Benchmarking of Collision Detection & Proximity Queries as a Web-Service

    Article • November 2020, ACM (Association for Computing Machinery)

    Toni Tan, Gabriel Zachmann

  50. Gender Classification of Prepubescent Children via Eye Movements with Reading Stimuli

    Article • October 2020, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  51. A cadaver-based biomechanical model of acetabulum reaming for surgical virtual reality training simulators

    Article • Scientific Reports, September 2020, Springer Science + Business Media

    Gabriel Zachmann

  52. Using large-scale augmented floor surfaces for industrial applications and evaluation on perceived sizes

    Article • Personal Technologies, August 2020, Springer Science + Business Media

    Gabriel Zachmann

  53. AutoBiomes: procedural generation of multi-biome landscapes

    Article • The Visual Computer, July 2020, Springer Science + Business Media

    Gabriel Zachmann

  54. Case Report: Virtual and Interactive 3D Vascular Reconstruction Before Planned Pancreatic Head Resection and Complex Vascular Anatomy: A Bench-To-Bedside Transfer of New Visualization Techniques in Pancreatic Surgery

    Article • Frontiers in Surgery, June 2020, Frontiers

    Gabriel Zachmann

  55. Robustness of Eye Movement Biometrics Against Varying Stimuli and Varying Trajectory Length

    Article • April 2020, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  56. Realistic Haptic Feedback for Material Removal in Medical Simulations

    Article • March 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  57. Improved Lossless Depth Image Compression

    Article • Journal of WSCG, January 2020, University of West Bohemia

    Gabriel Zachmann

  58. Improved CNN-Based Marker Labeling for Optical Hand Tracking

    Article • January 2020, Springer Science + Business Media

    Gabriel Zachmann

  59. Volumetric Medical Data Visualization for Collaborative VR Environments

    Article • January 2020, Springer Science + Business Media

    Gabriel Zachmann

  60. SIMDop: SIMD optimized Bounding Volume Hierarchies for Collision Detection

    Article • November 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Toni Tan, Gabriel Zachmann

  61. Towards a Simulation Framework for Underwater Intervention Analysis and Training

    Article • October 2019, Springer Science + Business Media

    Gabriel Zachmann

  62. Fast and Easy Collision Detection for Rigid and Deformable Objects

    Article • June 2019, Taylor & Francis

    Gabriel Zachmann

  63. A Continuous Material Cutting Model with Haptic Feedback for Medical Simulations

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  64. Effects of VR on Intentions to Change Environmental Behavior

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  65. A Virtual Reality Assembly Assessment Benchmark for Measuring VR Performance & Limitations

    Article • Procedia CIRP, January 2019, Elsevier

    Gabriel Zachmann

  66. Immersive Anatomy Atlas—Empirical Study Investigating the Usability of a Virtual Reality Environment as a Learning Tool for Anatomy

    Article • Frontiers in Surgery, November 2018, Frontiers

    Gabriel Zachmann

  67. Foreword to the Special Section on VRIPHYS 2018

    Article • Computers & Graphics, November 2018, Elsevier

    Gabriel Zachmann

  68. AstroGen – Procedural Generation of Highly Detailed Asteroid Models

    Article • November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  69. DynCam

    Article • April 2018, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  70. A Virtual Hip Replacement Surgery Simulator with Realistic Haptic Feedback

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  71. HIPS - A Virtual Reality Hip Prosthesis Implantation Simulator

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  72. UnrealHaptics: A Plugin-System for High Fidelity Haptic Rendering in the Unreal Engine

    Article • January 2018, Springer Science + Business Media

    Gabriel Zachmann

  73. Augmented invaders

    Article • November 2017, ACM (Association for Computing Machinery)

    Johannes Schöning, Gabriel Zachmann

  74. Invariant local shape descriptors

    Article • June 2017, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  75. A volumetric penetration measure for 6-DOF haptic rendering of streaming point clouds

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  76. GDS

    Article • May 2017, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  77. Virtual Reality for User-Centered Design and Evaluation of Touch-free Interaction Techniques for Navigating Medical Images in the Operating Room

    Article • May 2017, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  78. kDet: Parallel Constant Time Collision Detection for Polygonal Objects

    Article • Computer Graphics Forum, May 2017, Wiley

    Gabriel Zachmann

  79. Optimized positioning of autonomous surgical lamps

    Article • March 2017, SPIE

    Gabriel Zachmann

  80. Préface

    Article • January 2017, OpenEdition

    Gabriel Zachmann

  81. Foreword to special section on VRIPHYS 2015

    Article • Computers & Graphics, June 2016, Elsevier

    Gabriel Zachmann

  82. Knowledge Discovery for Pareto Based Multiobjective Optimization in Simulation

    Article • May 2016, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  83. GraphPool

    Article • May 2016, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  84. Kinaptic - Techniques and insights for creating competitive accessible 3D games for sighted and visually impaired users

    Article • April 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  85. Wait-free hash maps in the entity-component-system pattern for realtime interactive systems

    Article • March 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  86. Time-efficient and accurate spatial localization of automotive function architectures with function-oriented 3D visualization

    Article • Computer-Aided Design and Applications, January 2016, CAD Solutions, LLC

    Gabriel Zachmann

  87. Novel Morphological Features for Non-mass-like Breast Lesion Classification on DCE-MRI

    Article • January 2016, Springer Science + Business Media

    Gabriel Zachmann

  88. Foreword to the Special Section on Virtual Reality Interaction and Physical Simulation 2014

    Article • Computers & Graphics, December 2015, Elsevier

    Gabriel Zachmann

  89. Scalable concurrency control for massively collaborative virtual environments

    Article • March 2015, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  90. Hand Pose Recognition — Overview and Current Research

    Article • January 2015, Springer Science + Business Media

    Gabriel Zachmann

  91. Virtual Realities

    Article • January 2015, Springer Science + Business Media

    Gabriel Zachmann

  92. Multi Agent System Optimization in Virtual Vehicle Testbeds

    Article • January 2015, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Gabriel Zachmann

  93. Collision Detection Based on Fuzzy Scene Subdivision

    Article • September 2014, Springer Science + Business Media

    Gabriel Zachmann

  94. 2013 IEEE Scientific Visualization Contest Winner: Observing Genomics and Phenotypical Patterns in the Developing Mouse Brain

    Article • IEEE Computer Graphics and Applications, September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  95. Streamlining Function-oriented Development by Consistent Integration of Automotive Function Architectures with CAD Models

    Article • Computer-Aided Design and Applications, February 2014, CAD Solutions, LLC

    Gabriel Zachmann

  96. A Methodology for Interactive Spatial Visualization of Automotive Function Architectures for Development and Maintenance

    Article • January 2013, Springer Science + Business Media

    Gabriel Zachmann

  97. User Performance in complex bi-manual haptic manipulation with 3 DOFs vs. 6 DOFs

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  98. 3-DOF vs. 6-DOF — Playful evaluation of complex haptic interactions

    Article • January 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  99. Virtual Realities

    Article • January 2011, Springer Science + Business Media

    Gabriel Zachmann

  100. Segmentation-Free, Area-Based Articulated Object Tracking

    Article • January 2011, Springer Science + Business Media

    Gabriel Zachmann

  101. ProtoSphere

    Article • December 2010, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  102. A benchmarking suite for 6-DOF real time collision response algorithms

    Article • November 2010, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  103. Inner Sphere Trees and Their Application to Collision Detection

    Article • October 2010, Springer Science + Business Media

    Gabriel Zachmann

  104. Inner Sphere Trees for Proximity and Penetration Queries

    Article • July 2010, The MIT Press

    Gabriel Zachmann

  105. Silhouette Area Based Similarity Measure for Template Matching in Constant Time

    Article • January 2010, Springer Science + Business Media

    Gabriel Zachmann

  106. FAST: Fast Adaptive Silhouette Area based Template Matching

    Article • January 2010, British Machine Vision Association and Society for Pattern Recognition

    Gabriel Zachmann

  107. A unified approach for physically-based simulations and haptic rendering

    Article • August 2009, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  108. Visual computing for medical diagnosis and treatment

    Article • Computers & Graphics, August 2009, Elsevier

    Gabriel Zachmann

  109. Inner sphere trees for proximity and penetration queries

    Article • June 2009, Robotics: Science and Systems Foundation

    Gabriel Zachmann

  110. Stable 6-DOF Haptic Rendering With Inner Sphere Trees

    Article • January 2009, ASME International

    Gabriel Zachmann

  111. CONTINUOUS EDGE GRADIENT-BASED TEMPLATE MATCHING FOR ARTICULATED OBJECTS

    Article • January 2009, Scitepress

    Gabriel Zachmann

  112. Collision Detection as a Fundamental Technology in VR Based Product Engineering

    Article • January 2008, Springer Science + Business Media

    Gabriel Zachmann

  113. Kinetic bounding volume hierarchies for deformable objects

    Article • June 2006, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  114. Geometric Data Structures for Computer Graphics

    Article • January 2006, Taylor & Francis

    Gabriel Zachmann

  115. Space-efficient FPGA-accelerated collision detection for virtual prototyping

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  116. GPU-ABiSort: optimal parallel sorting on stream architectures

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  117. Collision Detection for Deformable Objects

    Article • Computer Graphics Forum, March 2005, Wiley

    Gabriel Zachmann

  118. The expected running time of hierarchical collision detection

    Article • January 2005, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  119. Simulating crowds with balance dynamics

    Article • January 2005, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  120. Point cloud surfaces using geometric proximity graphs

    Article • Computers & Graphics, December 2004, Elsevier

    Gabriel Zachmann

  121. Point Cloud Collision Detection

    Article • Computer Graphics Forum, August 2004, Wiley

    Gabriel Zachmann

  122. Efficient implementations of mobile video computations on domain-specific reconfigurable arrays

    Article • January 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Gerardo Pelosi, Dr. Eng. Elisabetta Farella, Gabriel Zachmann

  123. Nice and fast implicit surfaces over noisy point clouds

    Article • January 2004, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  124. Time-critical collision detection using an average-case approach

    Article • October 2003, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  125. Minimal hierarchical collision detection

    Article • November 2002, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  126. Virtual reality as a tool for verification of assembly and maintenance processes

    Article • Computers & Graphics, June 1999, Elsevier

    Gabriel Zachmann

  127. Integrating Virtual Reality for Virtual Prototyping

    Article • September 1998, ASME International

    Gabriel Zachmann

  128. Rapid collision detection by dynamically aligned DOP-trees

    Article • January 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  129. Real-Time and Exact Collision Detection for Interactive Virtual Prototyping

    Article • September 1997, ASME International

    Gabriel Zachmann

  130. A language for describing behavior of and interaction with virtual worlds

    Article • January 1996, ACM (Association for Computing Machinery)

    Gabriel Zachmann

  131. Segmentation of Distinct Homogeneous Color Regions in Images

    Article • Springer Science + Business Media

    Gabriel Zachmann

  132. Hardware Accelerated Collision Detection - An Architecture and Simulation Results

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  133. Real-time collision detection for dynamic virtual environments

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  134. 'Visual-fidelity' dataglove calibration

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  135. Consistent normal orientation for polygonal meshes

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann

  136. Distortion correction of magnetic fields for position tracking

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Gabriel Zachmann