Physically-Based Rendering


Scratch Iridescence: Wave-Optical Rendering of Diffractive Surface Structure

Sebastian Werner, Zdravko Velinov, Wenzel Jakob, Matthias B. Hullin, 2017.

Many real-world surfaces are covered in fine scratches that diffract light in colorful ways. Our model seamlessly transitions between ray optics and wave optics to recreate this intricate effect.

An Interactive Appearance Model for Microscopic Fiber Surfaces

Zdravko Velinov and Matthias Hullin
Proc. Vision, Modeling and Visualization, Bayreuth, Germany, 2016.

A reflectance model for pile fabrics that you can "draw on" using your fingers, like velvet or Alcantara.

Physically-Based Real-Time Lens Flare Rendering

Matthias B. Hullin, Elmar Eisemann, Hans-Peter Seidel, Sungkil Lee
ACM Transactions on Graphics 30 (4) (Proc. SIGGRAPH), 2011.

Our take on this popular effect; to our knowledge, the most complete and most efficient model to date.