High Performance Rendering and Visualization


Dr. Tim Biedert

Senior Rendering Manager at NVIDIA

Research Interests

  • Real-Time Ray Tracing
  • Physically Based Rendering
  • HPC / Scientific Visualization
  • In-Situ Visualization
  • Streaming Techniques
  • Point-Based / Mesh-Free Visualization
  • Topology-Based Simplification

Education

2019 Doctor of Engineering (Dr.-Ing.) in Computer Science
Technische Universität Kaiserslautern, Germany
Thesis: Towards Efficient Ray Casting-Based Visualization on Heterogeneous HPC Architectures
2014 Master of Science (M.Sc.) in Computer Science
Technische Universität Kaiserslautern, Germany
Thesis: Vortex Visualization of Flapping Wing Insect Flight in Virtual Reality Environments
2012 Bachelor of Science (B.Sc.) in Computer Science
Technische Universität Kaiserslautern, Germany
Thesis: FPM Post Processing: Real-Time Ray Tracing of Point Set Surfaces in OptiX

Professional and Research Experience

since 2023 NVIDIA, Würselen, Germany
Senior Manager, Ray Tracing Technology
Omniverse RTX Renderer: Scalable Rendering, Foundational Systems, Testing
2020 - 2023 NVIDIA, Würselen, Germany
Manager, Ray Tracing Technology
Omniverse RTX Renderer: Multi-Node / Multi-GPU Lead
2018 - 2020 NVIDIA, Würselen, Germany
Senior Engineer, Developer Technology
HPC / Scientific Visualization
2014 - 2018 Technische Universität Kaiserslautern, Germany
Scientific Visualization Lab / Computational Topology Group
Ph.D. Researcher / Research Assistant
2017 NVIDIA, Zurich, Switzerland
Developer Technology
Internship
2010 - 2017 Fraunhofer Institute for Industrial Mathematics, Kaiserslautern, Germany
Dept. of Transport Processes
Research Assistant
2014 Wright State University, Dayton, Ohio, USA
Advanced Visual Data Analysis Group
Visiting Researcher
2006 - 2008 Siemens AG, Karlsruhe, Germany
Dept. of Technology & Innovation, Energy Sector
Vacation Jobs

Publications and Demos

The following list includes my academic publications, talks and presentations, early personal projects, professional demos, as well as select showcases building upon the Omniverse RTX renderer that I am contributing to.
Multi-GPU Path Tracing in Omniverse for Architecture, Engineering and Construction (AEC) Workflows

Multi-GPU Path Tracing in Omniverse for Architecture, Engineering and Construction (AEC) Workflows

NVIDIA

GTC China 2019 (Keynote and booth demo)

Video (Live demo) NVIDIA Omniverse
Visualizing the Intensity of Earthquakes

Visualizing the Intensity of Earthquakes

NVIDIA

SC19 (Booth demo)

NVIDIA Omniverse
Dynamic Nested Tracking Graphs

Dynamic Nested Tracking Graphs

J. Lukasczyk ¹, C. Garth ¹, G. H. Weber ², T. Biedert ³, R. Maciejewski ⁴, H. Leitte ¹

¹ Technische Universtität Kaiserslautern
² Lawrence Berkeley National Laboratory / University of California, Davis
³ NVIDIA
⁴ Arizona State University

In IEEE Transactions on Visualization and Computer Graphics, 2019

Paper
Towards Efficient Ray Casting-Based Visualization on Heterogeneous HPC Architectures

Towards Efficient Ray Casting-Based Visualization on Heterogeneous HPC Architectures

T. Biedert

Dissertation, Dept. of Computer Science, Technische Universität Kaiserslautern, 2019

Dissertation
Imaging the Earth's Interior

Imaging the Earth's Interior with Summit Supercomputer

NVIDIA

GTC 2019 (Booth demo)

Summit Supercomputer
AI-Driven Earthquake Simulation

AI-Driven Earthquake Simulation

NVIDIA

SC18 (Booth demo)

Hardware-Accelerated Multi-Tile Streaming for Realtime Remote Visualization

Hardware-Accelerated Multi-Tile Streaming for Realtime Remote Visualization

T. Biedert ¹, P. Messmer ², T. Fogal ², C. Garth ¹

¹ Technische Universtität Kaiserslautern
² NVIDIA

In Proc. Eurographics Symposium on Parallel Graphics and Visualization (EGPGV), 2018 (Best Paper)

Paper NvPipe on GitHub
Direct Raytracing of Particle-based Fluid Surfaces Using Anisotropic Kernels

Direct Raytracing of Particle-based Fluid Surfaces Using Anisotropic Kernels

T. Biedert ¹, J.-T. Sohns ¹, S. Schröder ², J. Amstutz ³, I. Wald ³, C. Garth ¹

¹ Technische Universtität Kaiserslautern
² Fraunhofer ITWM
³ Intel Corporation

In Proc. Eurographics Symposium on Parallel Graphics and Visualization (EGPGV), 2018 (Honorable Mention)

Paper Video
In Situ Visualization with Task-Based Parallelism

In Situ Visualization with Task-Based Parallelism

A. Heirich ¹, E. Slaughter ¹, M. Papadakis ², W. Lee ², T. Biedert ³, A. Aiken ²

¹ SLAC National Accelerator Laboratory
² Stanford University
³ NVIDIA

In Proc. In Situ Infrastructures on Enabling Extreme-Scale Analysis and Visualization (ISAV), 2017

Paper
A Task-Based Parallel Rendering Component For Large-Scale Visualization Applications

A Task-Based Parallel Rendering Component For Large-Scale Visualization Applications

T. Biedert ¹, K. Werner ¹, B. Hentschel ², C. Garth ¹

¹ Technische Universtität Kaiserslautern
² RWTH Aachen University

In Proc. Eurographics Symposium on Parallel Graphics and Visualization (EGPGV), 2017

Paper
In Situ Large Data Visualization using Layered Depth Images

In Situ Large Data Visualization using Layered Depth Images

T. Biedert ¹, C. Garth ¹

¹ Technische Universtität Kaiserslautern

In Proc. Young Researchers Symposium (YRS), Kaiserslautern, Germany, 2016

STRING 3: An Advanced Groundwater Flow Visualization Tool

STRING 3: An Advanced Groundwater Flow Visualization Tool

S. Schröder ¹, I. Michel ¹, T. Biedert ¹, M. Gräfe ¹, T. Seidel ², C. König ²

¹ Fraunhofer ITWM
² delta h

European Geosciences Union General Assembly, Vienna, Austria, 2016

Application and Intuitive Visualization of a Three-Dimensional Benchmark for Variable-Density Flow and Solute Transport Calculation

Application and Intuitive Visualization of a Three-Dimensional Benchmark for Variable-Density Flow and Solute Transport Calculation

T. Seidel ¹, C. König ¹, I. Michel ², S. Schröder ², T. Biedert ²

¹ delta h
² Fraunhofer ITWM

Conference on Modeling Natural Barriers, Bad Wildbad, Germany, 2015

Contour Tree Depth Images For Large Data Visualization

Contour Tree Depth Images For Large Data Visualization

T. Biedert ¹, C. Garth ¹

¹ Technische Universtität Kaiserslautern

In Proc. Eurographics Symposium on Parallel Graphics and Visualization (EGPGV), 2015

Paper
Vortex Visualization of Flapping Wing Insect Flight in Virtual Reality Environments

Vortex Visualization of Flapping Wing Insect Flight in Virtual Reality Environments

T. Biedert

Master's Thesis, Dept. of Computer Science, Technische Universität Kaiserslautern, 2014

Thesis
Intuitive Visualization of Transient Groundwater Flow

Intuitive Visualization of Transient Groundwater Flow

T. Seidel ¹, C. König ¹, M. Schäfer ², I. Ostermann ², T. Biedert ², D. Hietel ²

¹ delta h
² Fraunhofer ITWM

Computers & Geosciences, 2014

Paper
FPM Post Processing: Real-Time Ray Tracing of Point Set Surfaces in OptiX

FPM Post Processing: Real-Time Ray Tracing of Point Set Surfaces in OptiX

T. Biedert

Bachelor's Thesis, Dept. of Computer Science, Technische Universität Kaiserslautern, 2012

Thesis
Noise Investigation in Manufacturing Systems: A Method using Acoustic Simulation and Virtual Reality

Noise Investigation in Manufacturing Systems: A Method using Acoustic Simulation and Virtual Reality

J. C. Aurich ¹, X. Yang ¹, S. Schröder ², M. Hering-Bertram ³, T. Biedert ², H. Hagen ¹, B. Hamann ⁴

¹ Technische Universtität Kaiserslautern
² Fraunhofer ITWM
³ Rhine-Waal University of Applied Sciences
⁴ University of California Davis

CIRP Journal of Manufacturing Science and Technology, 2012

Noise Investigation in Manufacturing

Noise Investigation in Manufacturing

X. Yang ¹, S. Schröder ², M. Hering-Bertram ³, T. Biedert ², H. Hagen ¹, J. C. Aurich ¹

¹ Technische Universtität Kaiserslautern
² Fraunhofer ITWM
³ Rhine-Waal University of Applied Sciences

In Proc. 44th CIRP International Conference on Manufacturing Systems (CIRP ICMS), 2011

3D Solar System

3D Solar System

T. Biedert (early years)

Jugendsoftwarepreis (Student Software Prize) 2007, Klaus Tschira Stiftung gGmbH, 1st prize in category Simulation

Quake 3 Map Loader

Quake 3 Map Loader

T. Biedert (early years)

Binary Space Partitioning (BSP) + Potentially Visible Set (PVS), full Q3A Shader support, Bézier patches, lightmaps

Tribes Physics on Terrain

Tribes Physics on Terrain

T. Biedert (early years)

Geometry Clipmaps, full skiing + jetpack physics as inspired by the Tribes game series

Raytracing in Java

Raytracing in Java

T. Biedert (early years)

Misc. Math Demos

Misc. Math Demos

T. Biedert (early years)

My Dog

I have a dog. His name is Rocky. He is crazy.