Photorealistic rendering based on efficient solutions of radiative transfer theory, especially for translucent materials

Simulated photorealistic representations are becoming increasingly important in the course of digitalization. The basic requirement is the calculation of the light propagation as exact as possible, i.e. based on physics, especially in scattering media. This requires not only the

efficient solution of the radiative transfer equation but the exact determination of the optical properties of the objects involved. Algorithms developed at the ILM enable the extremely rapid rendering of biological and technical objects.

Examples of applications

  • Representation of body parts such as faces or blood vessels
  • Rendering of teeth or tooth replacement materials (see movie below)
  • Rendering of plastics or resins (see figure below; left images: simulations, right images: photos)
  • Rendering of landscapes or waters
  • Calculation of bad weather images (fog, rain or snow) for example for autonomous driving


Prof. Dr. Alwin Kienle

Prof. Dr. Alwin Kienle

Director Materials Optics & Imaging

Tel: +49 (0)731 / 1429 224

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