Alexander Rath

Alexander Rath is a researcher at Saarland University's Computer Graphics Lab within the College of Informatics. His work focuses on advanced rendering techniques and light transport simulation.

Key research areas include:

• Importance sampling in computer graphics
• Wave optics modeling
• Lens design optimization
• Machine learning for rendering
• Path guiding algorithms

Recent publications address:

• 2024: MARS algorithm for multi-sample allocation
• 2024: Neural BVH data structures
• 2023: Focal point identification in rendering
• 2022: EARS efficiency-aware sampling
• 2020: Variance-aware path guiding

Additional contributions include open-source implementations on GitHub with MIT-licensed C++ code for focal path tracing experiments.